Transcriptome Sciences Inc

Transcriptome Sciences Inc Better clinical care through precision medicine

Our Vision:

To change care through molecular diagnostics.

Our Mission:

To develop novel molecular diagnostic tools that will change how healthcare providers manage their patients.

Transcriptome Sciences Inc

About Us

  • History

    Transcriptome Sciences Inc. (TSI) was founded in 2008 as a commercial spin-off from the Alberta Transplant Applied Genomics Centre (ATAGC) at the University of Alberta in Edmonton, Canada. Established to build on the groundbreaking research conducted at ATAGC, TSI is focused on uncovering the molecular basis of disease and translating these findings into commercial solutions that enhance treatments and patient outcomes. Over the years, TSI has developed a proprietary database comprising clinical, histological, and gene expression data, which serves as the foundation for the Molecular Microscope® Diagnostic (MMDx) System, a state-of-the-art tool for diagnosing organ disease with unparalleled precision. TSI’s MMDx technology is exclusively licensed by One Lambda, a division of Thermo Fisher Scientific. To view the MMDx brochure, click here.

  • Personnel

    Transcriptome Sciences Inc. (TSI) is dedicated to commercializing its unique capabilities in the molecular basis of disease states to provide improved treatments and outcomes for patients.

    • Philip Halloran

      CEO

      Dr. Halloran is a clinician-scientist with extensive research experience in basic immunology, clinical research, and microarrays. He currently leads the Alberta Transplant Applied Genomics Center (ATAGC) and is a Professor of Medicine (Nephrology) at the University of Alberta in Edmonton. He has more than 400 peer-reviewed publications in transplantation and inflammatory diseases. He is an officer of the Order of Canada, a Fellow of the Royal Society of Canada, has held the Muttart Chair in Clinical Molecular Immunology and Autoimmunity from the Muttart Foundation since 1993, was the founding editor of the American Journal of Transplantation, the first recipient of the Paul Terasaki Prize, and an elected member of the American Society for Clinical Investigation. He holds an MD from the University of Toronto and a PhD from the University of London.

    • Konrad Famulski

      Team Leader & Senior Scientist

      Dr. Famulski is an experienced research scientist and manager. In his role as Team Leader he oversees the daily operations of ATAGC and works closely with TSI. He holds a PhD and a DSc from the Nencki Institute of Experimental Biology at the Polish Academy of Sciences.

    • Robert Polakowski

      Business & Operations Manager

      Dr. Polakowski is an experienced life sciences professional with broad skills spanning R&D, Product Development, Technology Transfer, and Business Development. He has worked in the Alberta life sciences sector for over 14 years, including local health technology startups. He possesses a solid understanding of health technology commercialization and innovation. At TSI he is responsible for daily company operations, business development, partner relations, finances, and HR. He holds a BSc in Chemistry from McMaster University and a PhD in Chemistry from the University of Alberta.

    • Jessica Chang

      Data Analyst & Research Administration Manager

      Jessica holds a Bachelor of Science in Actuarial Science with a Business Minor from the University of Alberta. With a strong foundation in mathematics and programming, she conducts statistical and exploratory analyses on organ gene expression data from TSI’s disease databases. Jessica also supports manuscript development, submission, and serves as the webmaster for the company’s website.

    • Katelynn Madill-Thomsen

      Senior Research Scientist

      Dr. Madill-Thomsen is a Senior Research Scientist working with Phil Halloran’s team at the University of Alberta in Edmonton, Canada. Originally graduating with distinction from a basic science undergraduate program (B.Sc. Chemistry), she now holds a Ph.D. in Medicine from the University of Alberta with a focus on the application of microarrays in diagnostics in transplants and in native organs and has expertise in machine learning, statistics, clinical trials, and wet-lab techniques. Dr. Madill-Thomsen’s research focuses on the development and calibration of precision medicine diagnostic systems using genome-wide expression (The Molecular Microscope® System ‘MMDx’) to diagnose rejection and injury in liver, kidney, heart, and lung transplants. With a decade of research experience, her work now involves collaborations with key opinion leaders in more than 80 centers around the world. Most recently, she has been developing new diagnostic methods for detecting unique injury phenotypes and varying forms of rejection in a population of liver transplants, assessing the spectrum of abnormalities in kidney transplant biopsies without clinical or molecular rejection, and creating new classifiers for assessing donor-specific antibody in lung transplant biopsies.

    • Anna Hutton

      Senior Laboratory Technologist
    • Martina Mackova

      Senior Laboratory Scientist

      Dr. Mackova is a research scientist with over 20 years of experience in biomedical research. She has worked on various research projects at the University of Alberta, including Microbiology, Immunology, Perinatal and Cardiovascular research. She has presented her work at numerous international conferences and published in peer reviewed journals. At TSI, she is responsible for RNA microarray analysis, QC and other laboratory assessments, as well as signing out MMDx reports and communicating the results to clinicians from collaborating medical centers around the world. She also provides training and technology transfer support to our clinical laboratory partners. She holds an MSc and a PhD in Human and Animal Physiology from Comenius University and Slovak Academy of Sciences. She completed a Postdoctoral fellowship at University of Alberta.

    • Patrick Gauthier

      Senior Data Scientist

      Dr. Gauthier received his PhD training as an experimental biologist in the field of ecotoxicology. He has developed predictive multivariate models to provide regulatory guidance for pollutant mixtures, helped bridge the gap between endocrinology and behavioural toxicology by developing drug biosensor models with zebrafish embryo neurobehavioural biomarkers, and has published critical review papers outlining the molecular and cellular mechanisms of mixture toxicology and risk assessment of pollutants in the Arctic. Dr. Gauthier’s work has involved diverse statistical and programming needs, and he has produced a variety of novel inferential methods. Dr. Gauthier’s true passion lies in exploring and developing new bioinformatic tools, and TSI is excited to have him on board to contribute to the precision and accuracy of molecular diagnoses of organ transplant rejection.

    • Michelle Lee

      Junior Scientist

      Michelle holds a BSc in Biological Sciences and an MSc in Cells, Physiology, and Developmental Biology from the University of Alberta. She supports daily wet lab operations, including sample processing and laboratory assessments. Additionally, Michelle acts as a liaison between the lab and other departments at TSI, handling data management and IT tasks as needed.

  • Board

    Transcriptome Sciences Inc.’s (TSI) Board is composed of recognized business and academic leaders:

    • Robert Foster

      CEO, Ciclofilin Pharmaceuticals
      Robert Foster

      Dr. Foster was the founding CEO of Isotechnika Pharma Inc. (Edmonton, 1993) and is the Founder and CEO of Ciclofilin Pharmaceuticals (San Diego). As a respected executive, he has served in multiple capacities in academia and the biotechnology industry in Canada and abroad. He is named as an inventor on 242 patents. He led the discovery of the immunosuppressive drug Voclosporin and the diagnostic test kit, Helikit, for the diagnosis of H.pylori. He holds an MPharm and PhD from the University of Alberta.

    • Phil Halloran

      CEO, TSI

      Dr. Halloran is a clinician scientist with extensive research experience in basic immunology, clinical research, and microarrays. He currently leads the Alberta Transplant Applied Genomics Center (ATAGC) at the University of Alberta in Edmonton. He has more than 400 peer reviewed publications in transplantation and inflammatory diseases. He is an officer of the Order of Canada, a Fellow of the Royal Society of Canada, the first recipient of the Paul Terasaki Prize, and an elected member of the American Society for Clinical Investigatiton. He holds an MD from the University of Toronto and a PhD from the University of London.

    • Jennifer Halloran

      Associate, Kingsgate Legal

      Ms. Halloran is a commercial litigator with a primary focus on contractual disputes, product liability and risk management. She has extensive experience in a number of industry sectors, including energy, professional services and insurance. She is a Member of the Law Society of Alberta, the Law Society of Upper Canada and the Canadian Bar Association. She holds an LLB from the University of Alberta, an MA from Brock University, and a BA (with Distinction) from the University of Alberta.

    • Stephen Mandel

      Stephen Mandel holds an Associate of Arts Degree from Lincoln College, a Bachelor of Sciences in Business from Miami University, and a Masters degree from the University of Windsor. Married to Lynn for over 50 years, they have two children and one grandchild and have lived in Edmonton for more than 50 years. Stephen has actively volunteered for various community and health organizations, serving as president of the Jewish Community Centre, Chair of United Jewish Appeal, Heart and Stroke Foundation, Board member of Alberta Health Services, Chancellor of Concordia University of Edmonton, University of Alberta Land Trust, and Royal Glenora board member. He has been self-employed since 1972, working in property management and development. In politics, Mandel was elected to Edmonton City Council in 2001, served as Mayor from 2004 to 2013, was elected MLA in 2015, briefly served as Health Minister, and led the Alberta Party in 2019.

    • TSI's Professional Advisors

      Legal Advisors:
      Kingsgate Legal
      2100 Bell Tower 10104 – 103 Avenue
      Edmonton, Alberta T5J-0H8
      Phone: 1-888-488-4006

      Bankers:
      Royal Bank of Canada
      10107 Jasper Avenue
      Edmonton, AB T5J 1W9
      Phone : (780) 448-6611

      Patent Attorneys:
      Fish & Richardson P.C.
      3300 Dain Rauscher Plaza
      60 South Sixth Street
      Minneapolis, MN 55402
      Phone: (612) 337-2565

      Insurance Broker:
      AON Reed Stenhouse Inc.
      #900, 10025 102A Avenue
      Edmonton, AB T5J 0Y2
      Phone: (780) 423-9801

      Accountant:
      Grant Thornton LLP
      1701 Rice Howard Place 2
      10060 Jasper Avenue NW
      Edmonton, AB T5J 3R8
      Phone: (780) 422-7114

  • Careers

    Transcriptome Sciences Inc. (TSI) is always interested in hearing from qualified candidates seeking work in the molecular diagnostics sector, and welcomes resumes and CVs sent to info@transcriptome.com Please check back regularly for new job postings and information on available positions.

MMDX

  • Unmet Need

    The current standard for diagnosing and detecting organ disease from tissue biopsies is histology, the microscopic examination of processed tissue samples using various stains. This process is highly subjective and prone to relatively high error rates and disagreement among observers. Moreover, many types of changes in disease states are molecular but not microscopically detectable. These high error rates often result in inappropriate treatments for patients, leading to higher costs and poor outcomes. In the post-genomic era, molecular diagnostics are being developed to address the unmet need for precision in diagnostics. Gene expression data can now be used to objectively assess disease states, adding predictive value to conventional methods. Microarrays (gene chips) are the best established method for studying gene expression in biopsies. Coupled with sophisticated statistical and machine learning methods, microarrays can identify gene expression patterns relatively specific for different disease states. Changes in gene expression are early indicators of changes in a tissue, and can be measured objectively and quantitatively, unlike opinion-based microscopic assessment of biopsies. TSI is also exploring the potential advantages of RNA sequencing.

  • Transplants

    • Kidney

      TSI, in partnership with the ATAGC, is engaged in research collaborations with many centers in Canada, the United States, Europe, Australia, and Asia. There are limitations in the conventional opinion-based histology and laboratory-developed tests such as DSA and C4d staining, thus future biopsy assessment will require centralized molecular tests with evidence-based interpretation. The MMDx system incorporates strengths of each platform, both histology and molecular assessment. Gene expression measurements, or “classifiers”, were used to develop scores for diagnosing T cell-mediated rejection (TCMR), antibody-mediated rejection (ABMR), and all rejection. Each classifier generates a score indicating the probability of a conventional diagnosis, and these scores are then displayed on a report that is returned to the clinician. In addition, we developed a gene set that quantifies acute kidney injury (AKI). The TCMR classifier correlates with the histologic lesions of TCMR (infiltrate, tubulitis). The ABMR Score correlates with ABMR microcirculation lesions and with donor-specific antibodies (DSA). The ABMR Score has also been shown to strongly predict future graft loss. MMDx for kidney transplants requires one additional kidney tissue needle biopsy core beyond the usual two to three biopsy cores obtained for routine histopathology as standard of care. Currently, the MMDx for kidney is in use in a number of transplant centers in North America, Asia, Australia, and Europe. MMDx for kidney is available for reimbursement in the United States. To view the MMDx brochure, click here.

    • MMDx-Kidney Diagnostic System Extension

      Calibrating circulating donor-derived cell-free DNA against molecular biopsy assessments. Investigators: Philip F Halloran, Jeff Reeve, Soroush Shojai, Sita Gourishankar, and the MMDx-Kidney Study Group (ClinicalTrials.gov NCT04239703) Biopsies both for indications and by protocol play an important role in managing organ transplants, but histology assessment has high interobserver disagreement (“noise”) and cannot assess recent tissue injury.  To improve precision and accuracy of biopsy assessment, the Alberta Transplant Applied Genomics Centre of the University of Alberta ATAGC) has developed a new biopsy assessment system: the Molecular Microscope® Diagnostic System (MMDx), which measures global gene expression in the biopsy and uses ensembles of machine learning derived algorithms to diagnose rejection and injury. However, the decision to biopsy is often difficult for the clinician, and new tools for predicting abnormalities in the organ transplant are needed. A new blood-based test may guide decisions to biopsy: donor-derived cell-free DNA (DD-cfDNA). The donor kidney cells release DD-cfDNA during rejection and injury episodes. The Natera DD-cfDNA test is based on massively multiplexed PCR that targets 13,392 single nucleotide polymorphisms. Targeted sequences are then quantified by Next Generation Sequencing (mmPCR-NGS). The ATAGC cfDNA-MMDx study (“Trifecta”) will compare DD-cfDNA, DSA, and MMDx results in prospectively collected clinically indicated kidney transplant biopsies and accompanying blood samples from participating American and European centers. DD-cfDNA (Prospera® test; Natera Inc.) levels will be calibrated against the MMDx biopsy diagnoses of T cell-mediated rejection (TCMR), antibody-mediated rejection (ABMR, and its stages), and acute and chronic injury. The Trifecta study also includes donor-specific antibody (DSA) assessment by One Lambda.  The DD-cfDNA will be calibrated for its ability to predict the MMDx phenotypes in the biopsy. The major trial objectives are 1.) to calibrate DD-cfDNA readings against the MMDx assessments of TCMR, ABMR, and injury; 2.) to optimize and quantify donor DNA measurements; 3.) to develop new treatment algorithms that incorporate both rejection mechanisms is kidney and release of donor DNA. We believe that calibrating the Prospera® DD-cfDNA test and One Lambda HLA typing results against MMDx will improve transplant patient care but also generate novel insights into clinical scenarios. In addition, DD-cfDNA testing plus MMDx may reduce unnecessary indication biopsies, and make the biopsies that are performed much more useful, and the management decisions more effective.  More accurate diagnoses will lead to increasingly personalized treatment, superior endpoints for clinical trials of new agents, and prolonged graft survival.

    • Heart

      TSI, in partnership with the ATAGC, is engaged in research collaborations with many centers in Canada, the United States, Europe, Australia, and Asia. The current standard method for diagnosis of organ rejection in heart transplants is microscopic assessment of a tissue biopsy, using the International Society for Heart and Lung Transplantation (ISHLT) classification system. However, recent studies have indicated that this system can produce incorrect diagnoses with potential harm to patients due to inappropriate treatment. MMDx system for heart transplants addresses the need for a more quantitative and objective approach to heart biopsy assessment by introducing molecular and diagnoses. Biopsies are interpreted based on their molecular and clinical characteristics, plus clinical and laboratory parameters, to give the diagnosis. MMDx will detect and/or assess T cell-mediated rejection (TCMR), antibody-mediated rejection (ABMR), acute parenchymal injury (API), risk of failure, fibrosis, and cardiac allograft vasculopathy (CAV). The MMDx for heart is in use in a number of transplant centers in North America, Australia, and Europe. MMDx for heart is available for reimbursement in the United States. MMDx for heart transplants requires two additional endomyocardial biopsy (EMB) bites beyond the usual five to seven EMB bites obtained for routine histology as standard of care. To view the MMDx brochure, click here.

    • Lung

      TSI, in partnership with the ATAGC, is engaged in research collaborations with many centers in Canada, the United States, Europe, Australia, and Asia. The current standard method for diagnosis of organ rejection in lung transplants is microscopic assessment of a transbronchial biopsy, using the International Society for Heart and Lung Transplantation (ISHLT) classification system. However, recent studies have indicated that this system can produce incorrect diagnoses with potential harm to patients due to inappropriate treatment. MMDx for lung transplants addresses the need for a more quantitative and objective approach to lung biopsy assessment by introducing a molecular diagnostic system. MMDx is studying transbronchial biopsies and is also exploring the potential of using mucosal biopsies which would be safer and more accessible. MMDx will detect and/or assess T cell-mediated rejection (TCMR), risk of failure, and chronic lung allograft dysfunction (CLAD). MMDx for lung began clinical trials in late 2016. MMDx system for lung transplants requires two additional lung tissue bites beyond the usual ten transbronchial biopsy bites obtained for routine histology as standard of care. To view the MMDx brochure, click here.

    • Liver

      TSI, in partnership with the ATAGC, is engaged in research collaborations with many centers in Canada, the United States, Europe, Australia, and Asia. Liver transplantation is a remarkable success story in managing end stage liver disease, until recently heavily impacted by the influence of hepatitis C virus (HCV) which confused assessment of rejection.  The emerging cures for HCV have created a new agenda for liver transplantation: improve understanding and diagnosis of T cell-mediated rejection (TCMR) and injury/fibrosis.  Liver transplant management, however, presents a special case of a general problem: the unsatisfactory state of biopsy assessment by histology. MMDx system will assess the diagnostic and prognostic value of microarray analysis of biopsy specimens from liver allografts, and define the molecular phenotype of liver biopsy. It will also change care and outcomes in liver transplantation by developing microarray-based tests for liver biopsy specimens for the TCMR and acute and chronic liver injury. MMDx for liver began clinical trials in late 2018. MMDx for liver transplants requires half (3-5 mm) of the liver biopsy taken obtained for routine histology as standard of care. To view the MMDx brochure, click here.

  • Other Diagnostics

    • Melanoma

      More details on the upcoming MMDx® for Melanoma coming soon.

    • Inflammatory Bowel Disease

      The current standard of care for diagnosing inflammatory bowel disease (IBD) and guiding IBD treatment is a combination of endoscopy, microscopic examination of intestinal tissue and measurement of markers in stool and blood. MMDx for assessing IBD has potential for improved precision and accuracy compared to conventional assessments. View the MMDx brochure here.

  • Theranostics

    High costs and long timelines in drug development are largely due to inefficient target identification and development models. The Molecular Microscope® Diagnostic System (MMDx) can assist this process in several ways:

    1. Better understanding of potential targets in terms of “gene and protein” function
    2. Reliable gene expression information
    3. Accurate quantifiable clinical trial endpoints

    Transcriptome Sciences Inc. (TSI) is uniquely positioned to address all of these needs through its proprietary MMDx algorithms and database. Guiding the development of new and improved drugs is part of TSI’s mandate to foster an environment of enhanced patient care and better outcomes.

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    For more information on our products/services, please contact us at info@transcriptome.com To view the MMDx brochure, click here.

  • For Clinicians

    The current standard for diagnosing and detecting organ disease from tissue biopsies is by microscopic examination. This process, however, is different for each procedure and error-prone. Currently, molecular diagnostics are being developed to complement histological practices. Gene expression data can now be used to objectively assess disease states, and add predictive value to conventional methods. Transcriptome Sciences Inc. (TSI) is uniquely positioned to address all of these needs through its proprietary technology. With a complementary test capable of supplementing the current standard of care, better treatment plans can be developed. Through MMDx, TSI intends to provide health care practitioners with an improved understanding of diseases to augment diagnosis, treatment, and monitoring.

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    For more information on our products/services, please contact us at info@transcriptome.com To view the MMDx brochure, click here.

    • Testimonials

      “…A powerful diagnostic strategy contributing to a better understanding of the specific causes of transplant injury. In ongoing intervention trials our group has learned that the Molecular Microscope® (MMDx) has the potential to substantially improve the accuracy of biopsy-based rejection diagnosis…” Dr. Georg Bohmig and Dr. Farsad Eskandary VIETAC, Medical University Vienna, Vienna, Austria

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      “The Molecular Microscope® (MMDx) has performed extremely well when compared with histology at our transplant center. Knowing this we have confidence in the MMDx when traditional diagnostic methods are ambiguous, such as in the case of ABMR.” Dr. Andrew Malone Washington University School of Medicine, St. Louis, MO, USA

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      “It is very exciting to see that Molecular Microscope® (MMDx) is moving to clinical practice.” Enver Akalin, MD Montefiore Medical Center, Bronx, NY, USA

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      “We have been using MMDx (Molecular Microscope®) … and have been very impressed with the results. In general, there is a high concordance with pathology results which gives the treating clinician more confidence in the diagnosis and management. In many cases, MMDx has provided greater insight and granular detail to our biopsy evaluation which has significantly helped in patient care. I believe that MMDx will remain a valuable tool for the care of our kidney transplant patients.” Dr. Gaurav Gupta VCU, Richmond, VA, USA

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  • FAQs

    • What is MMDx and how does it work?

      A. The Molecular Microscope® (MMDx) is a molecular system for tissue biopsy analysis. RNA is extracted from the biopsy, then analyzed using microarray technology. Gene expression results are statistically compared to an established reference set of known biopsies to produce a report and diagnosis. This system complements histology, by offering a quantitative and objective method for tissue biopsy analysis. To view the MMDx brochure, click here.

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    • What is a molecular classifier?

      A. A molecular classifier is a machine learning method that can predict something (e.g. diagnoses) based on the gene expression data output from the microarray analysis. This is done by the program ‘learning’ which expression patterns can recognize the differences between the samples, and combining these differences to generate a pattern that can be used to predict the diagnosis in future (unknown) samples.

    • How do I ship a sample?

      A. Samples are shipped to Transcriptome Sciences Inc. in Edmonton, Canada using approved packaging materials provided by Transcriptome (TSI).

      1. Biopsies are stabilized immediately after they are taken in a transport tube with RNAlater®
      2. The sample transport tube is wrapped in absorbent tissue, and placed in a small biohazard bag
      3. The biohazard bag is placed in a padded envelope
      4. The padded envelope is packaged in a FedEx Pak with appropriate paperwork and waybill affixed

      To request shipping materials or further information, please email us at info@transcriptome.com.

    • How does MMDx compare to histology?

      A. The Molecular Microscope® (MMDx) has compared very favorably to clinical opinion and local conventional assessment, with accuracy of 90% in TCMR and 78% in ABMR. In 275 feedback forms thus far, clinicians have indicated that 86% agreed with clinical judgment (with or without disagreement with histology), 84% indicated that MMDx invited more confidence for management decisions and that in 1/4 of biopsies the MMDx report would alter therapy and/or investigations.

    • Is MMDx safe for my patients?

      A. MMDx requires only one biopsy beyond the standard of care, and poses minimal risk to your patient.

    • What information is required for submitting a sample?

      A. The minimal information absolutely required for submitting a sample is the date of transplant and date of biopsy, though more information is useful and can make the diagnoses more relevant. Please email info@transcriptome.com for more details.

    • Is MMDx a central diagnostic system or a kit?

      A. MMDx is a central diagnostic system.

  • For Researchers

    For a current list of our publications, please click here. To view the MMDx brochure, click here.

Company Information

  • News & Events

    🔬 𝗡𝗲𝘄 𝗣𝘂𝗯𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻 - '𝗦𝘂𝗯𝘁𝗵𝗿𝗲𝘀𝗵𝗼𝗹𝗱 𝗿𝗲𝗷𝗲𝗰𝘁𝗶𝗼𝗻 𝗮𝗰𝘁𝗶𝘃𝗶𝘁𝘆 𝗶𝗻 𝗺𝗮𝗻𝘆 𝗸𝗶𝗱𝗻𝗲𝘆 𝘁𝗿𝗮𝗻𝘀𝗽𝗹𝗮𝗻𝘁𝘀 𝗰𝘂𝗿𝗿𝗲𝗻𝘁𝗹𝘆 𝗰𝗹𝗮𝘀𝘀𝗶𝗳𝗶𝗲𝗱 𝗮𝘀 𝗵𝗮𝘃𝗶𝗻𝗴 𝗻𝗼 𝗿𝗲𝗷𝗲𝗰𝘁𝗶𝗼𝗻' 🌟

    Our recent study analyzed genome-wide microarray data from 5,086 kidney transplant biopsies. It revealed that many biopsies currently classified as “no rejection” may actually harbor subthreshold levels of T cell-mediated rejection (TCMR) and antibody-mediated rejection (ABMR). This subthreshold activity had implications for future rejection episodes and was associated with increased risk for graft loss.

    Key Findings:
    • 𝗦𝘂𝗯𝘁𝗵𝗿𝗲𝘀𝗵𝗼𝗹𝗱 𝗔𝗰𝘁𝗶𝘃𝗶𝘁𝘆: There is an increasing gradient of molecular classifier scores present in biopsies deemed free of rejection (by histology, by molecules, or both). We found a gradient of increasing subthreshold rejection activity (ABMR and TCMR) in biopsies called no rejection, TCMR activity in biopsies called ABMR, and ABMR activity in biopsies called TCMR.
    • 𝗖𝗹𝗶𝗻𝗶𝗰𝗮𝗹 𝗜𝗺𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀: Biopsies with elevated subthreshold rejection activity were linked to increased risk for graft loss and reduced renal function. Furthermore, these findings predict a higher likelihood of actual ABMR and TCMR in future biopsies.
    • 𝗜𝗺𝗽𝗮𝗰𝘁 𝗼𝗻 𝗣𝗮𝘁𝗶𝗲𝗻𝘁 𝗖𝗮𝗿𝗲: This study suggests that increased monitoring strategies may be needed for cases called ‘no rejection’ but with elevated subthreshold rejection activity, as this state may be less benign than previously thought.

    For more details, check out the full study here: https://doi.org/10.1016/j.ajt.2024.07.034

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    📢HOT OFF THE PRESS!📢 Our latest publication, a definitive review of MMDx-Kidney, is available as an Open Access article.

    Check it out here: https://portlandpress.com/clinsci/article/138/11/663/234525/Precision-diagnostics-in-transplanted-organs-using

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    Join us at the American Transplant Congress for Dr. Phil Halloran's Hot Topic Debate session!

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    Join us at the American Transplant Congress for our Poster Presentation on DDK!

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    Join us at the American Transplant Congress for our Poster Presentation on the Trifecta-Kidney Study!

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    Join us at the American Transplant Congress for our Poster Presentation on donor age in kidneys! #ATC2024 #ATC24 #ATC2024Philly #MMDx

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    Join us tomorrow at the American Transplant Congress for our Poster Presentation on the Trifecta-Kidney substudy!

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    Join us at the American Transplant Congress tomorrow for our Rapid Fire Oral on MMDx-Liver!

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    HOT OFF THE PRESS! NEJM Felzartamab paper

    We are excited to report the publication of our recent collaborative study with Vienna and Berlin, published Saturday in N Engl J Medicine (https://www.nejm.org/doi/full/10.1056/NEJMoa2400763). We studied the problem of antibody-mediated rejection (ABMR), a microcirculation disease mediated by NK cells that damages the kidney microcirculation in thousands of kidney and heart transplant recipients.

    We analyzed the molecular effects of Felzartamab (FELZ) anti CD38 antibody on antibody-mediated rejection in kidney transplant recipients, in addition to changes in histology and circulating donor-derived cell-free DNA.  The FELZ treatment suppressed ABMR molecular and histologic ABMR activity, particularly the NK cell genes, and suppressed dd-cfDNA. This is historic: since we first described ABMR as a microcirculation disease 34 years ago (1), this is the first controlled trial to show an agent that can suppress the microcirculation inflammation.  It also suggests that dd-cfDNA could be used to help manage these patients during treatment. We are committed to seeing how this agent can benefit kidney transplants with ABMR in a controlled phase 3 trial, hopefully led by our collaborators in Vienna and Berlin.

    (1) Halloran, P. F., et al. (1990). “The significance of the anti-class I antibody response. I. Clinical and pathologic features of anti-class I-mediated rejection.” Transplantation 49(1): 85-91.

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    Inaugural Trifecta-Heart paper in Transplantation Journal

    We’re very pleased to share our inaugural Trifecta-Heart paper in Transplantation! Read it here: https://journals.lww.com/transplantjournal/fulltext/9900/comparing_plasma_donor_derived_cell_free_dna_to.702.aspx

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    HOT OFF THE PRESS! Our latest MMDx-Heart publication is available as an Open Access article.

    Click here: https://doi.org/10.1016/j.ajt.2024.03.031

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    Join us for Dr. Patrick Gauthier's Mini Oral Presentation at ISHLT2024!

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    Join us for Dr. Patrick Gauthier's Oral Presentation at ISHLT2024!

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    Join Dr. Kieran Halloran at ISHLT2024 today for his talk on MMDx-Lung!

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    Join Dr. Phil Halloran at ISHLT2024 today for his talk on MMDx-Heart!

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    Nature Reviews Nephrology manuscript accepted and in press!

    We are pleased to announce that Nature Reviews Nephrology has accepted our manuscript titled, “Deciphering injury-associated renal epithelial cell states and their role in kidney transplantation.” authored by KM Schmidt-Ott, C Hinze, S Lovric, PF Halloran, and J Barasch. Stay tuned for the link when it is published!


    Hot off the press! New MMDx-Heart paper now online in JHLT!

    Details here: https://www.jhltonline.org/article/S1053-2498(23)02132-0/fulltext

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    Hot off the press! New MMDx-Lung manuscript in AJT!

    Details here: https://www.sciencedirect.com/science/article/pii/S1600613523005270

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    Decoding Organ Transplants: MMDx Gene Expression data for informed patient care

    We are proud to share this concise overview of the work we do at TSI and the ATAGC being showcased at the American Transplant Congress 2023. The team has been driven over decades to provide improved diagnostic methods that will ultimately change patient care, and we are very excited to share this glimpse into our work.


    Join us for Dr. Philip Halloran's IMPACT Session at #ATC2023!

    Register at http://atcmeeting.org

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    Join us for Dr. Philip Halloran's Rapid Fire Oral at #ATC2023!

    Register at http://atcmeeting.org

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    Join us for Dr. Katelynn Madill-Thomsen's Rapid Fire Oral at #ATC2023!

    Register at atcmeeting.org

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    Join us for Dr. Patrick T Gauthier's Poster Session at #ATC2023!

    Register at http://atcmeeting.org

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    Join us for Dr. Petra Hruba's Poster Session at #ATC2023!

    Register at http://atcmeeting.org

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    Join us for Dr. Philip Halloran's Rapid Fire Oral at #ATC2023!

    Register at http://atcmeeting.org

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    Join us for Dr. Majid Sikosana's Rapid Fire Oral at #ATC2023!

    Register at http://atcmeeting.org

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    Join us for Dr. Philip Halloran's Rapid Fire Oral at #ATC2023!

    Register at http://atcmeeting.org

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    Join us for Dr. Katelynn Madill-Thomsen's Rapid Fire Oral at #ATC2023!

    Register at http://atcmeeting.org

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    Free access until November 13th to our newest MMDx-Lung manuscript published in JHLT!

    Click on https://authors.elsevier.com/a/1foon3lUpLW5Ik for free access until November 13th to our newest MMDx-Lung paper published in the Journal of Heart and Lung Transplantation.

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    Hot off the press! New MMDx-Heart manuscript in Transplantation!

    Details here: https://journals.lww.com/transplantjournal/Fulltext/9900/Assessing_the_Relationship_Between_Molecular.140.aspx

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    AJT Journal Club on the topic of Liver TCMR

    AJT Journal Club, a thematically organized miniseries is excited to launch the Liver TCMR series entitled “T Cell Mediated Rejection in Liver Transplantation: Biopsy-Guided Approaches to Patient Management”.
    Part A. Pre-Recorded Session
    Listen to Dr. Halloran and Dr. Taubert present their papers in this 30-minute pre-recorded session.
    Papers discussed:
    The molecular diagnosis of rejection in liver transplant biopsies: First results of the INTERLIVER study (https://doi.org/10.1111/ajt.15828)
    Outcome and safety of a surveillance biopsy guided personalized immunosuppression program after liver transplantation (https://doi.org/10.1111/ajt.16817)Part B. Live Panel Discussion
    Register here for the live panel webinar discussing the impact of the papers, moderated by Josh Levitsky and Alberto Sanchez Fueyo.

    Jul 26, 2022 01:00 PM in Eastern Time (US and Canada)

    Register at:     https://us02web.zoom.us/webinar/register/WN_phY8_f0hT7yQTqIfRYa9QA

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    Hot off the press! New Trifecta Study manuscript in Transplantation!

    Details here: https://journals.lww.com/transplantjournal/Fulltext/9900/Combining_Donor_derived_Cell_free_DNA_Fraction_and.88.aspx

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    American Transplant Congress 2022 preview: TG

    Join us at the ATC22! Register at https://www.atcmeeting.org/

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    American Transplant Congress 2022 preview: histologic borderline in the Trifecta Study

    Join us at the ATC22! Register at https://www.atcmeeting.org/

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    American Transplant Congress 2022 preview: molecules associated with CLAD in lung and kidney transplant biopsies

    Join us at the ATC22! Register at https://www.atcmeeting.org/

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    American Transplant Congress 2022 preview: molecular rejection in kidney transplant biopsies

    Join us at the ATC22! Register at https://www.atcmeeting.org/

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    American Transplant Congress 2022 preview: ABMR, TCMR and injury in the Trifecta Study

    Join us at the ATC22! Register at https://www.atcmeeting.org/

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    American Transplant Congress 2022 preview: TCMR in late kidney transplant biopsies

    Join us at the ATC22! Register at https://www.atcmeeting.org/

     

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    American Transplant Congress 2022 preview: The Trifecta Study

    Join us at the ATC22! Register at https://www.atcmeeting.org/

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    Hot off the press! New MMDx-Kidney manuscript in AJT!

    Check out our new MMDx-Kidney manuscript in the American Journal of Transplantation: https://onlinelibrary.wiley.com/doi/10.1111/ajt.17092

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    Hot off the press! New MMDx-Lung manuscript in AJT!

    Check out our new MMDx-Lung manuscript in the American Journal of Transplantation: https://onlinelibrary.wiley.com/doi/10.1111/ajt.16895

     

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    New MMDx-Liver manuscript in the American Journal of Transplantation!

    Check out our new manuscript in the American Journal of Transplantation: https://onlinelibrary.wiley.com/doi/10.1111/ajt.16890

     

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    Gene Expression Profiling for Molecular Biopsy Assessment

    Post-transplant biopsy analyses are subjective and prone to debate.
    Conventional assessments are currently the primary tool used for diagnosing injury and rejection but studies show that histology results are widely varied… The solution to this variance lies in game-changing automated molecular analysis to interpret the results.

    Introducing the Molecular Microscope Diagnostic System™ (MMDx™): A diagnostic service that uses gene expression profiling to assess the presence of disease states in a transplant biopsy. Powered by machine learning and big data, MMDx generates information on the sample’s risk for T-cell and Antibody-mediated rejection, injury, and other conditions.

    Here’s How MMDx works…
    – During the standard biopsy procedure, take a portion of the sample and place it in the RNAlater solution included in your free collection kit. Then ship the kit to the reference lab at room temperature.

    – Upon receipt, the sample is analyzed and matched against a reference set database with thousands of biopsies.

    – Depending on the nature of the rejection or injury state, certain genes are activated in the transplanted tissue and will produce unique patterns of messenger RNA.

    MMDx analyzes thousands of different messenger RNA to provide information about the health of the organ.

    The results are posted on the MMDx portal in 1-2 business days and you’ll receive an email when the report is ready for review.

    The technology is here and ready to be used to help patients receive better care.

    MMDx is a Laboratory Developed Test that uses a GeneChip™ Custom Microarray to measure mRNA transcript levels in biopsies along with extensive big data derived from individuals and populations. The system combines these technologies to deliver objective and reproducible transplant biopsy assessments on a molecular level. MMDx complements conventional biopsy processing to improve the assessment of rejection and injury in transplanted organs.

    For more information, visit: go.1lambda.com/MMDx

    © 2021 Thermo Fisher Scientific Inc. All rights reserved. All trademarks are the property of Thermo Fisher Scientific and its subsidiaries unless otherwise specified. MMDx and Molecular Microscope are registered trademarks of Transcriptome Sciences Inc.  MMDx-Heart and MMDx-Kidney are tests that were developed and validated by Kashi Clinical Laboratories, Inc. The laboratory developed tests are used for clinical purposes by the CLIA-certified laboratory performing the test. These tests have not been cleared or approved by the US FDA or CE marked in the EU as an in vitro diagnostic test.

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    MMDx at 2021 ASHI Hybrid Annual Meeting

    Please join us for the 2021 ASHI Hybrid Annual Meeting where Dr. Halloran will be presenting “DSA-negative HLA antibody-negative molecular ABMR releases donor-derived cell-free DNA in the Trifecta study. Abstract details can be found here.

    The Molecular Microscope® Diagnostic System (MMDx) will be featured in Natera Inc.’s Symposium on September 30th from 12:15 pm to 2:05 pm EDT. Registration details can be found here.

    Integrating Molecular Approaches to Surveil Rejection: %dd-cfDNA, DSA, and Molecular (MMDx) Biopsy Assessment

    Date/Time: Thursday, September 30, 2021 – 12:15 PM to 2:05 PM EDT


    Hot off the press! New JASN manuscript

    Hot off the press! Read our new manuscript in the Journal of the American Society of Nephrology: bit.ly/j2021040433

    Donor-specific HLA antibody in kidney transplant patients with biopsies classified as no-rejection was more common than thought and associated with increased risk of kidney failure within 3 years

     

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    ILTS 2021 Virtual Congress oral presentation

    Dr. Madill-Thomsen will be presenting her International Liver Transplantation Society 2021 Virtual Congress oral presentation today at 1:18 pm EDT. Don’t miss it! https://2021.ilts.org

     

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    ILTS 2021 Virtual Congress ePoster

    Check out our ePoster at the International Liver Transplantation Society 2021 Virtual Congress! https://2021.ilts.org/

     

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    MMDx Has a Pathway to Coverage for Post-transplant Kidney & Heart Monitoring

    Please see the press release by One Lambda, Inc. regarding the Molecular Microscope® Diagnostic System.

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    Dr. Philip Halloran to present at Indian Society of Heart and Lung Transplantation on January 23, 7:00 am to 7:20 am MST

    Join Dr. Philip Halloran as he presents at the Indian Society for Heart and Lung Transplantation (INSHLT) on January 23, 7:00 am to 7:20 am MST. He will present MMDx System for solid organ transplants especially heart and lung transplants“.

    Register for free at: https://zoom.us/webinar/register/WN_LXHx1x5kSB6FtLT9q4mb6Q

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    Hot off the press! Nature Scientific Reports paper!

    Our most recent paper by Hruba et al has been published in Nature Scientific Reports titled, “Molecular patterns of isolated tubulitis differ from tubulitis with interstitial inflammation in early indication biopsies of kidney allografts“. You can find it here: https://www.nature.com/articles/s41598-020-79332-9


    Dr. Philip Halloran to present at the ILTS Webinar on December 7 at 7:00 am MT

    Join the ILTS Webinar on “Markers of rejection and of tolerance in liver transplantation current tools and futures candidates” on December 7 at 7:00 am MT! ⁣

    𝐏𝐡𝐢𝐥𝐢𝐩 𝐇𝐚𝐥𝐥𝐨𝐫𝐚𝐧, Josh Levitsky, Alberto Sanchez-Fueyo will discuss the different types of rejection, new tools for diagnosis, and best therapeutic options.⁣

    Register for free at https://www.bigmarker.com/ilts/ILTS-INSIGHTS-Markers-of-rejection-and-of-tolerance-in-liver-transplantation-current-tools

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    Dr. Philip Halloran to present at Natera's Webinar with ASTS on December 17 at 9 am PT

    Dr. Philip Halloran is presenting at Natera’s Webinar with ASTS, “Precise medicine in transplantation: MMDx and dd-cfDNA” on December 17 at 9 am PT. Register at: members.asts.org/asts-natera-webinar

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    Fall 2020 Convocation Spotlight: Katelynn S. Madill-Thomsen, ’20 PhD in Medicine

    Completing her doctoral studies in the time of COVID-19 brings the importance of science literacy and communication into sharper focus.

    SALENA KITTERINGHAM – 17 November 2020
    Source: https://www.ualberta.ca/medicine/news/2020/november/fall-2020-convocation-spotlight-katelyn-s.-madill-thomsen,-20-phd-in-medicine.html

    Katelynn S. Madill-Thomsen, ’20 PhD in Medicine, encourages her fellow Class of 2020 colleagues to take their unprecedented experiences of completing their programs in the midst of a pandemic as a prompt to continually become better communicators and ambassadors of science.

    “Good science cannot stand alone; it also requires good communication to really make a difference,” she says. “It’s becoming more and more important to be able to communicate our findings and conclusions both to our peers and to the public and media, in a way that is simple and easily understood but not inaccurate.”

    She says improving scientific literacy in the general public should be something every researcher strives for. “This gives the public more awareness of what’s happening in research, how it affects them, and how to critically evaluate fact from fiction in scenarios where science and medicine impact their daily lives.”

    Read more about Madill-Thomsen’s most memorable lessons learned at the U of A.

    Katelynn S. Madill-Thomsen, ’20 PhD in Medicine
    Specialization: Nephrology
    Department of Medicine
    Supervisor: Philip Halloran

    Vibrant graduate student life at UAlberta

    I was part of a group of students, led by Melissa Silva, who founded the Department of Medicine Graduate Students’ Association (DoM-GSA). We felt that providing the opportunity to collaborate, network and build community within the DoM would be beneficial for students.

    I served with that group as president-elect from 2017 to 2018, then as president from 2018 to 2019. It was one of the highlights of my time at the U of A, and allowed me to get to know my peers much better than I might have otherwise.

    We were able to gather for sessions on professional development, mental health, or games and movies, and I met so many talented, intelligent and kind students as a result. I really enjoyed my time working with the DoM-GSA and still value the relationships that came out of that experience.

    The collective ‘zoom, zoom, zoom’ experience of the Class of 2020

    Defending over Zoom was certainly memorable! It’s interesting being part of this particular group of students, who share the collective experience of having finished their program under these circumstances. It was a test of our determination and I’m so glad we were all able to persevere.

    Can’t pick favourites

    I enjoyed all of my classes and feel I benefited from each one of them (Introduction to Inflammation, Directed Studies in R Programming, Biostatistics and The Art of Grant Writing).

    They were all challenging, given that my undergraduate background was in chemistry and this was all fairly unrelated to the classes I took for my graduate program. But my professors were all incredibly kind, patient and encouraging and I came out of each class being better informed and prepared for my career.

    I do recall my time in The Art of Grant Writing especially fondly; this was an extremely challenging course but it’s made an enormous difference to me in terms of writing ability and was worth all the effort and time, since a research career depends on this skill.

    High school mentor set the path to medicine

    I’ve had many valuable mentors in my life. I had a chemistry teacher in high school who taught me via distance learning and had infectious passion for science. He would call me long-distance to explain the concepts and I ended up choosing to take Chemistry 30 early because he was such an effective educator. Sadly, he passed away from cancer the following year, and as a result I decided that I was eventually going to go into medical research.

    I had a wonderful adviser in my undergraduate studies who was the first person to suggest that I consider a graduate degree and go even further into research. And I had a very encouraging and supportive supervisor (Philip Halloran) and committee (Brendan Halloran and Luis Hidalgo) during my PhD program who fully believed in my capabilities and pushed me through the enormous learning curve of this program.

    I don’t think I can thank any of these people enough for having influenced me as much as they have.

    Two greatest lessons gleaned from her time at U of A

    1. Be patient with learning curves: There is an inflection point where suddenly a switch flips and things start to make sense. It goes from “I don’t get this” to “Wow, that does actually make sense, I can do this,” and that moment is worth all the struggle and effort and frustration because you earned it. I cannot describe the incredible feeling when you finally understand something or get an experiment to work or figure out a new research method after digging into it for a long time and wrestling with the details.
    2. Critical thinking is absolutely essential: The more you learn in a graduate program, the more you become aware of all there is to know. You think that there are all these definitive concepts in science, but going in depth into the details shows you just how much there is left to discover and define. To do this as researchers, we have to be comfortable with and capable of critical thinking―examining the evidence, seeking wisdom and advice from research peers and having open minds and collaborative attitudes.

    Drawing inspiration from the scientific community around her
    Every time I hear a research talk about a new medical discovery and the impact it’s had on patient care and outcomes, I’m inspired to keep going.

    There are so many areas of medicine where we can still make leaps and bounds forward in patient management and reducing mortality, and by doing our research work we can have a significant impact on someone else’s life! Much of my work has been in transplants, which in itself is a uniquely inspiring area of medicine where a death can result in life for another patient. I think about that every day.

    I’d love to make a contribution to medicine and medical knowledge that would improve outcomes and reduce patient mortality in a tangible and demonstrable way. That would be very meaningful, and I plan on working very hard towards this.

    Advice to those considering grad school

    If you’re interested in graduate studies, do it! Graduate studies is such a departure from traditional educational experiences in that it’s so self-directed and open-ended. It forces you to critically think (a skill that’s more important in today’s world than perhaps ever before) and deal with setbacks and issues in real time. I found my time as a graduate student to be enormously beneficial; it showed me all the areas I excelled in as well as revealing areas I needed to work on and then gave me the time and resources to improve. I’ve definitely benefited from this degree, and can contribute more as a scientist because of it.

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    Check out our recently accepted manuscript at the American Journal of Transplantation!

    Check out our recently accepted manuscript at AJT!⁣

    Genome-wide microarray analysis of kidney transplant biopsies discovers a novel increase in epithelial polarity genes that plays a major role in the fate of early kidney transplants but is suppressed in T cell-mediated rejection.⁣

    Read the full manuscript athttps://onlinelibrary.wiley.com/doi/10.1111/ajt.16374

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    Dr. Philip Halloran has been named to the Mendez National Institute of Transplantation Foundation's Research Advisory Board

    Dr. Philip Halloran has been named to the Mendez National Institute of Transplantation Foundation’s Research Advisory Board.

    “I was long an admirer of the Mendez brothers and their contributions in transplantation, and was very impressed when they created MNITF. Too few agencies are operating to promote and fund transplant research. When I was asked to join the board, I was glad to be able to help this important agency.”

    – Dr. Philip Halloran on what made him decide to join the MNITF RAB


    Dr. Philip F. Halloran selected as the 2020 International Scholar Awardee by the American Society for Histocompatibility and Immunogenetics (ASHI)

    Dr. Philip F. Halloran has been selected as the 2020 International Scholar Awardee by the American Society for Histocompatibility and Immunogenetics (ASHI). He will be presenting “The Trifecta Study: Calibrating circulating donor-derived cell-free DNA at the time of indication biopsies against the molecular phenotype of the biopsy” on Monday, October 19 at 11 am EST at the 2020 ASHI Virtual Annual Meeting. Trifecta (ClinicalTrials.gov # NCT04239703) is an international collaborative study by 31 investigators from 15 transplant centers in 6 countries to calibrate circulating cell-free donor DNA in transplant patients against the molecular state of the biopsy as assessed by the Molecular Microscope® Diagnostic (MMDx) System. Register at https://2020.ashi-hla.org/virtual-registration


    Catch all of our Molecular Microscope® Diagnostic System (MMDx) presentations at ATC 2020

    The 2020 American Transplant Congress (ATC) goes live on May 30, 2020. Don’t miss it! Molecular Microscope® Diagnostic System (MMDx) presentations at ATC 2020 Register at http://atcmeeting.org/registration

    PLENARY Session Details
    Abstract Confirmation Number: 4138
    Session Title: Plenary Session II
    Date: Sunday, May 31, 2020
    Session Time: 10:00 AM EST
    Presentation Time: 10:20 AM EST

    Presenter: Katelynn Madill-Thomsen

    Abstract Confirmation Number:  3527
    Abstract TitleMicroarray And RNA-seq Analysis Of Rejection In Formalin-fixed Paraffin-embedded (FFPE) Biopsies: Comparing FFPE To Conventionally Stabilized (RNAlater Solution) Biopsies
    Session:  Poster Session A: Biomarker Discovery and Immune Modulation
    Publication/Poster Board Number:  A-323
    PresenterKonrad Famulski 

    Abstract Confirmation Number: 4134
    Abstract Title: Molecular Profiles Of Injury In Heart Transplant Allograft: Relationship To Rejection, Ejection Fraction, And Survival.
    Session: Biomarkers, Immune Assessment and Clinical Outcomes I
    Publication Number: 95
    Presenter: Philip Halloran 

    Abstract Confirmation Number: 3849
    Abstract Title: Evolution Of Molecular Lung Transplant Biopsy Assessment: Rejection Can Be Detected In Mucosal As Well As Transbronchial Biopsies.
    Session: From Bench to Community to Bedside in Lung Transplantation
    Publication Number: 88
    Presenter: Michael Parkes

    Abstract Confirmation Number:  3846
    Abstract TitleUnderstanding The Molecular Phenotype Of Kidney Injury
    Session: Biomarkers, Immune Assessment and Clinical Outcomes I
    Publication Number:  91
    Presenter: Philip Halloran 

    Abstract Confirmation Number: 4535
    Abstract Title: Lung Mucosal Biopsies Deteriorate With Time Post-transplant: A Molecular Analysis
    Session: Poster Session B: Lung: All Topics
    Publication /Poster Board Number: B-290
    PresenterMichael Parkes 

    Abstract Confirmation Number:  2635
    Abstract TitleMolecular Diagnosis Of Rejection In Liver Transplant Biopsies: The INTERLIVER Study
    Session:  Poster Session B: Liver: Immunosuppression and Rejection Publication /Poster Board Number:  B-130
    Presenter: Katelynn Madill-Thomsen 

    Abstract Confirmation Number: 3586
    Abstract Title: Natural Course Of Borderline Changes In Kidney Allografts: A MMDx Study
    Session: Poster Session B: Acute Rejection
    Publication /Poster Board Number: B-332
    PresenterPetra Hruba 

    Abstract Confirmation Number:  4800
    Abstract TitleThree-month Results Of A Phase 2 Trial Evaluating Clazakizumab In Late Antibody-mediated Rejection – Early Impact Of Interleukin-6 Blockade On Donor-specific Antibody Levels, Rejection Morphology And Gene Expression
    Session: Kidney Chronic Antibody Mediated Rejection
    Publication Number:  245
    PresenterGeorg Böhmig 

    Abstract Confirmation Number: 5369
    Abstract Title: Impact Of Belatacept Conversion On Renal Function, Histology And Gene Expression In Kidney Transplant Patients With Chronic Active Antibody-mediated Rejection
    Session: Kidney Chronic Antibody Mediated Rejection
    Publication Number: 247
    Presenter: Dhiren Kumar 

    Abstract Confirmation Number:  5289
    Abstract TitleA Comparison Of Temporal Gene Expression Patterns In Kidney, Heart, Liver, And Lung Transplant Biopsies
    Session: Biomarkers, Immune Assessment and Clinical Outcomes III Publication Number:  312
    PresenterJeff Reeve 

    Abstract Confirmation Number:  3593
    Abstract TitleEvolution Of Molecular MMDx Scores After Kidney Transplantation in Different Donor Categories
    Session:  Poster Session C: Ischemia Reperfusion & Organ Rehabilitation
    Publication /Poster Board Number:  C-351
    PresenterPetra Hruba 

    Abstract Confirmation Number: 5644
    Abstract Title: Calibration Of Donor-derived Cell-free Dna Criteria For Rejection With Molecular Diagnoses Of Kidney Transplant Biopsies.
    Publication /Poster Board Number: C-346
    PresenterIrfan Moinuddin 

    Abstract Confirmation Number: 5487
    Abstract Title: The Role Of The Molecular Microscope To Guide Therapy For T-cell Mediated Rejection In Kidney Transplants
    Session: Biomarkers, Immune Assessment and Clinical Outcomes V
    Publication Number: 532
    PresenterDhiren Kumar


    Our presentations for the ISHLT 2020 meeting are now live on ISHLTv

    Our presentations for the ISHLT 2020 meeting are now live on ISHLTv (https://ishlt.org/meetings-education/online-education/ishltv). Please see the links below.

    SESSION 35:
    ORAL: Pathology of Heart and Lung Transplantation: Ongoing Challenges and Emerging Diagnostic Tools
    Presentation Number: 121
    Abstract Title: Mapping the Injury Phenotypes of Heart Transplant
    Link: https://cslide-us.ctimeetingtech.com/ishlt40th/attendee/eposter/poster/271

    MINI ORAL 10: Survival Determinants and Assessment Tools Post Lung Transplantation
    Presentation Number: 454
    Abstract Title: Molecular Assessment of Single-Piece Mucosal Biopsies is Highly Reproducible Compared to Transbronchial Biopsies in Lung Transplantation
    Link: https://cslide-us.ctimeetingtech.com/ishlt40th/attendee/eposter/poster/635

    POSTER SESSION 3: Jr Faculty Case Reports: Lung Failure/Transplantation
    Presentation Number: 1419
    Abstract Title: Immunologic Features and Therapeutic Challenges in Lung Transplantation for COPA Syndrome Associated Interstitial Lung Disease
    Link: to be updated when available


    Dr. Philip F Halloran named as a laureate of the Czech Transplant Foundation Annual Award

    Dr. Philip F Halloran was awarded the Czech Transplant Foundation Annual Award in Prague, Czechia, on 7 Nov 2019. The laureate is selected by the Czech Transplant Foundation’s Board of Trustees for discoveries with the greatest impact on transplantation medicine worldwide. Dr. Halloran was selected for the development of a new diagnostic tool, the Molecular Microscope® Diagnostic System (MMDx), developed by his team at the U of A in the Alerta Transplant Applied Genomics Centre (ATAGC). MMDx assesses disease and injury in organ transplant biopsies by using gene microarrays and machine learning/AI algorithms rather than histology, providing a precise and accurate basis for treatment decisions. Dr. Halloran accepted this award in a ceremony in the Karolinum, the seat of the Charles University and a national cultural monument of the Czech Republic. Charles University is one of Europe’s oldest universities, founded in 1348 by Emperor Charles IV, Holy Roman Emperor and King of Bohemia. The award ceremony began with Hussite Chorale ” Kdo jsou boží bojovníci” (“Who Are the Warriors of God”) created by Jan Čapek z Klatov in 15th Century, unofficial anthem of the Hussites and the modern Czech State. After the award and Dr. Halloran’s speech, there was a concert by violinist Václav Hudeček and pianist Lukáš Klánský playing compositions by Antonín Dvořák. Dr. Halloran was then interviewed on Czech national television. This award is particularly meaningful for Dr Halloran because he collaborated with the transplantation genetics researchers in Prague during his PhD studies in England at the very start of his research career.

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    Congratulations to Dr. Gunilla Einecke for receiving the Rudolf Pichlmayr Award

    Our warmest congratulations go to our MMDx-Kidney collaborator, Dr. Gunilla Einecke of Hannover Medical School, Hannover, Germany, for receiving the Rudolf Pichlmayr Award for outstanding contributions to transplant medicine from the German Transplantation Society. What an outstanding achievement! Congratulations, Dr. Einecke!


    ESOT Symposium Session: The Future of Transplant Care with the Molecular Microscope® Diagnostic System

    Save the Date Sep 16 at 1PM How do you diagnose transplant injury precisely? Join us at ESOT 2019  as we explore a groundbreaking technology with the only advanced biopsy service that provides objective data for personalized transplant care. The Molecular Microscope Diagnostic System (MMDx) is now paving the way for the development of precision immunosuppression based on big data analysis by providing a new understanding of graft injury and rejection. MMDxSystemEvent details will be posted here: https://www.molecular-microscope.com/events/esot-2019

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    ATC 2019 Satellite Symposium: Transitioning from Empiric to Precision Medicine in Transplantation

    ATC 2019

    Satellite Symposium: Transitioning from Empiric to Precision Medicine in Transplantation

    Time & Location

    Jun 03, 1:00 PM – 2:15 PM
    Boston, MA, USA

    Presentation

    Cutting edge technologies are paving the way for early detection of graft injury or rejection and charting a course for the development of precision immunosuppression based on big data. Join us as we explore a new patient path, an approach to treatment that includes strategies for risk stratification in pre-transplant testing as well as solutions for personalized post-transplant care. Guest Speakers: Peter Nickerson, MD | University of Manitoba – Winnipeg, Canada HLA Molecular Mismatch and DSA Assessment Jonathan Bromberg, MD, PhD | University of Maryland – Baltimore, MA Cell-free DNA for the Early Diagnosis of Rejection and Graft Dysfunction Gaurav Gupta, MD | Virginia Commonwealth University – Richmond, VA Molecular Microscope® in Kidney Transplant Diagnostics

    Details here: https://www.molecular-microscope.com/events/atc-2019

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    Featured paper in The Journal of Heart and Lung Transplantation, "Molecular assessment of rejection and injury in lung transplant biopsies"

    Our most recent MMDx-Lung manuscript entitled “Molecular assessment of rejection and injury in lung transplant biopsies” is a Featured Paper in The Journal of Heart and Lung Transplantation. Find the manuscript here: https://www.jhltonline.org/article/S1053-2498(19)31347-6/fulltext

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    One Lambda hosting webinar featuring Dr. Philip Halloran on April 29 at 9 am PST

    We’re excited to announce that One Lambda will host a webinar featuring Dr. Philip Halloran, who will present  “The Molecular Microscope® Diagnostic System: Precision and Accuracy in Transplant Diagnostics.” Participants will have the opportunity to learn about the molecular phenotype of rejection and injury. Dr. Halloran will also discuss the unmet need for precision and accuracy in pathological biopsy assessment, review the applications of the actionable data generated in MMDx reports, and conclude with a live Q&A session. Register to earn CECs & invite a colleague to join! | Apr 29 | 9 AM PT | Register here: http://ow.ly/CeK350q0p82

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    2019 ISHLT Lunch Symposium | The Journey from DSA to Molecular Microscope in Heart & Lung Transplant Recipients.

    Going to ISHLT2019? Don’t miss “The Journey from DSA to Molecular Microscope® in Heart & Lung Transplant Recipients.” Symposia Date: 4 APR | 12:00 PM-1:00 PM MMDx event features Dr. Luciano Potena, Dr. Ramsey Hachem, and Dr. Deborah Levine as moderator. Get info: https://www.molecular-microscope.com/events/ishlt-2019?cid=TDX_MMDx_2019ISHLT_


    2019 International Society for Heart and Lung Transplantation (ISHLT) Annual Meeting schedule of presentations by TSI/ATAGC and collaborators

    Wednesday, April 3, 2019
    Presenter: Michael Parkes
    Abstract Title: Molecular Analysis of Transbronchial and Mucosal Biopsies in Patients with CLAD
    Presentation number: 13
    Time: 10:45 am
    Room: Pacifica 10-12

    Presenter: Greg Snell
    Abstract Title: Exploring Chronic Lung Transplant (LTx) Allograft Dysfunction (CLAD): The Potential Clinical Prognostic Relevance of Single Bite Transbronchial Biopsy (TBB) Microarray
    Presentation number: 51
    Time: 3:30 pm
    Room: Pacifica 10-12

    Thursday, April 4, 2019
    Presenter: Philip F Halloran
    Abstract Title: Molecular Microscope Determinants of Graft Survival in the INTERHEART Study
    Presentation Number: 104
    Time: 9:00 am
    Room: Pacifica 7

    Presenter:  Jon Kobashigawa
    Abstract Title: Heart Transplant Patients with Histologic Normal and Molecular Microscope Abnormal Biopsies: An Exploratory Analysis
    Presentation Number: 704
    Time: 4:45 pm
    Room: Pacifica 7


    2019 American Transplant Congress schedule of presentations by TSI/ATAGC and collaborators

    The 2019 American Transplant Congress schedule of presentations by TSI/ATAGC and collaborators (10 orals and 9 posters) can be downloaded here.


    2019 CEOT Lunch Symposium | The Journey from DSA to Molecular Microscope in Heart & Lung Transplant Recipients

    Please join us for the 2019 CEOT Lunch Symposium | The Journey from DSA to Molecular Microscope in Heart & Lung Transplant Recipients on February 21, 2019 https://www.molecular-microscope.com/events/ceot-2019

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    2019 AST Cutting Edge of Transplantation (CEoT) meeting

    Dr Philip Halloran will be at the 2019 AST Cutting Edge of Transplantation (CEoT) meeting in Phoenix, AZ, USA to give two talks on Friday, February 22. Details below or at https://www.myast.org/meetings/cutting-edge-transplantation/2019/2019-ceot-program

    Friday, February 22, 2019 Arizona Biltmore, Phoenix, AZ, USA Session 3, option 3 8:35 AM Molecular Signals of Intragraft Rejection – Is INTERLUNG the Answer?

    Session 3, option 2 9:35 AM Molecular Signals of Intragraft Rejection: Is INTERHEART true NORTH? ​ ​


    MOLPAT2019: Our collaborators from Austria, Czech Republic and Poland

    TSI CEO and CSO Dr. Philip Halloran visited Prague for a conference dedicated to molecular pathology. The meeting featured many informative and interesting talks focusing on the application of molecular diagnostics and precise and accurate medicine in transplantation. Dr. Halloran is pictured with (from left to right) Georg Bohmig (Austria), Philip Halloran (Canada), Marek Myslak (Poland), and Ondrej Viklicky (Czech Republic). https://www.molpat2019.com/

    (click image to enlarge)


    Workshop on Molecular Pathology in Transplantation in Czech Republic, Prague on January 24 - 25, 2019

    Dr. Halloran is travelling to Prague, Czech Republic to lecture at the Workshop on Molecular Pathology in Transplantation on January 24-25, 2019. The Preliminary Program can be viewed here: https://www.molpat2019.com/programme/

    (click image to enlarge)


    Dr. Halloran's recent trips

    In September 2018, Dr. Philip F Halloran traveled to Paris, France for the 13th International Congress on Lung Transplantation to present two lectures: “The Molecular Landscape of Transbronchial Biopsies from Patients Diagnosed with CLAD” and  “Molecular Microscope®”. Dr. Halloran then traveled to Warsaw and Gdansk in Poland to give a lecture at the Medical University of Warsaw (September 17, 2018) and the Medical University of Gdansk (September 19, 2018), “Molecular analysis of transplant biopsies: insights into mechanisms of disease”. He also led a workshop while in Warsaw, “Traditional Microscopic Evaluation vs. the Molecular Microscope®”. Szczecin, Poland was the next stop for the 13th Symposium of the Polish Transplantation Society to present the Plenary Lecture, “New Methods for Transplantation Diagnostics: The Molecular Microscope®” on September 20th. In October 2018, Dr. Halloran gave a lecture at NYU Langone Medicine Grand Rounds on October 10, 2018, “Molecular Analysis of Transplant Biopsies: Insights into Mechanisms of Disease”. He also attended the Transplant Institute Round Table, “The Molecular Microscope® Diagnostic System: developing and validating the assessment of kidney (MMDx-Kidney), heart (MMDx-Heart), and lung (MMDx-Lung) transplant biopsies”. Dr. Philip F Halloran traveled to Florida, USA on October 28, 2018 to give lectures on the Molecular Microscope® Diagnostic System. He presented at the Cleveland Clinic in Weston and Tampa Bay General Hospital in Tampa with lectures entitled “The Molecular Microscope® Diagnostic System (MMDx®): a new dimension for transplant biopsies”. On November 8th, Dr Halloran traveled to Baltimore, MD, USA to give a lecture entitled “The Molecular Microscope® Diagnostic System (MMDx®): a new dimension for transplant biopsies” at the inaugural Johns Hopkins Grand Rounds. Dr Philip Halloran presented at the Gairdner Symposium at the University of Alberta on November 15, 2018. Check out the link for details: https://www.ualberta.ca/medicine/about/events/u-of-a-gairdner-precision-health On November 16, 2018, Dr. Philip Halloran traveled to Zurich, Switzerland to lecture at the Borel-Staehelin Lecture – 12th Annual Symposium of the Transplant Center. His lecture was entitled “Molecular diagnostics in transplantation – lessons learned and added value.”


    Five ways Phil Halloran is changing the lives of organ transplant patients around the world

    UAlberta’s transplant research whiz recognized with 2018 J. Gordin Kaplan award, sciences category. By Kirsten Bauer on May 29, 2018 Philip Halloran’s research has contributed to the dramatic drop in transplantation failure rates―from 55 to just five per cent since the outset of his 40-year career. From the causes of organ rejection and moving on to diagnosis in treatment, the professor in the University of Alberta’s Division of Nephrology’s work has changed the lives of countless transplant patients around the world, making him a shoo-in for the U of A’s most prestigious research acknowledgment, the J. Gordin Kaplan Award for Excellence in Research in the sciences category. Named after the university’s first Vice-President, Research, the Kaplan recognizes and honours faculty members whose research contributions add significantly to our knowledge base, who are recognized nationally and internationally for their scholarly accomplishments and who set a standard of excellence for other U of A faculty, graduate and undergraduate students and the community-at-large. Halloran’s lifelong goal as a clinician-scientist is to see his research findings applied at the bedside, to improve the lives of people who have undergone a transplant. Here are a handful of his accomplishments to illustrate how he is advancing transplantation science.

    1.   He is disrupting diagnostic tools

    Biopsy technology allows clinicians to determine the rejection stage of an organ after transplantation, but inaccurate measurements happen frequently. In order to improve accuracy of the testing, Halloran and his team have developed a diagnostic tool called MMDx (Molecular Microscope® Diagnostic System) which improves on existing biopsy methods for transplant organs by using gene chips to measure molecules instead of cells, making the test more precise and less invasive. MMDx was more than 30 years in the making, cost $35 million to develop and is ultimately a disruptive technology, explained Halloran. “This is a story of a team of researchers who believed in the value of something, even though it was paradigm-changing, and who worked diligently to establish scientific foundation in order to convince medical leaders in the field of its effectiveness and to get it into the hands of the public.”

    2.   He discovered why some organs are rejected

    As a medical student, Halloran wanted to improve circumstances for the more than half of organ transplant patients at the time whose bodies rejected transplant. “There was a poor ability to understand the immune response to organ transplants and we couldn’t control rejections. There were desperate people, and a lot of lives were lost,” Halloran said. His determination eventually led to the discovery that both T cells (T cell-mediated rejection, TCMR) and antibodies (antibody-mediated rejection, “ABMR”) are some of the main culprits of organ rejection, with the help of the MMDx tool. Halloran is now recognized as defining ABMR as the major mechanism causing graft loss post-transplant. Although there is still more to learn about why rejection happens, Halloran’s ABMR discovery has led to research that will make more effective drug therapies available.

    3.   He is advancing anti-rejection drugs

    Halloran led the development of a new companion drug called mycophenolate mofetil or Cellcept™ that improves survival rates and reduces side-effects of other drugs. According to Bruce Kaplan, professor of medicine at the Mayo Clinic in Scottsdale, Arizona, Halloran’s 2004 New England Journal of Medicine review on immunosuppressive drugs is now required reading for any transplant specialist in training. “I can say categorically, without bias, that Halloran is the most influential individual in transplantation over the past 25 years,” Kaplan said.

    4.   He founded the Alberta Transplant Applied Genomics Centre (ATAGC)

    The ATAGC is an interdisciplinary research centre located at the U of A that focuses on understanding organ disease at the molecular level. The centre provides a means for international partners from across North America, Europe, Australia, and recently Asia to collaborate on research projects and to improve human health and scientific understanding of disease across multiple health disciplines.

    5.   His work is putting UAlberta at the epicentre of the international transplant map

    The U of A recently rated sixth in the world in transplantation according to a new subjects ranking by the Center for World University Rankings. Halloran and his team have contributed significantly to the university climbing the transplant ranks. After winning the prestigious 2016 Prix Galien in Research, Halloran received a Doctor Honoris Causa from Paris Descartes University at the Musée d’Histoire de Médicine. Paris is considered to be an international home base of kidney transplant innovations, making Halloran’s induction a vote of confidence from some of the world’s leading transplant scientists. Halloran says there is now a very strong Paris-Edmonton connection, thanks to this prestigious recognition. “I feel that in honouring me they were honouring the distinguished history of the University of Alberta teams in organ transplantation.”


    Congratulations to Phil Halloran on receiving University of Alberta's 2018 J. Gordin Kaplan Award for Excellence in Research

    Full list of winners: https://www.ualberta.ca/vice-president-research/internal-honours-prizes/j-gordon-kaplan-laureates


    Clinical trials show new U of A ‘molecular microscope’ system safer, more effective in heart and lung transplant biopsies

    Research shows system requires less tissue samples and provides more precise readings.

    April 24, 2018

    Philip Halloran, the founder of the “molecular microscope” system for transplant biopsy, is presenting early clinical trial findings on the system today at the 2018 meeting of the International Society for Heart and Lung Transplantation. Philip Halloran, the founder of the “molecular microscope” system for transplant biopsy, is presenting early clinical trial findings on the system today at the 2018 meeting of the International Society for Heart and Lung Transplantation. By LESLEY YOUNG

    transplant biopsy system that uses gene chips to read molecules is far safer and more effective than existing approaches used for heart transplant biopsies and is showing promising results for lung transplant biopsies, new University of Alberta-led research shows.

    An international team of transplant specialists—including Philip Halloran, the founder of the “molecular microscope” system—presented early clinical trial findings of the system today at the 2018 meeting of the International Society for Heart and Lung Transplantation in Nice, France.

    “Our research indicates that the molecular microscope system is more precise and accurate than conventional methods, which often involve extensive disagreement between doctors reading the biopsies, and therefore errors,” said Halloran, a U of A transplant physician and globally recognized leader in the field.

    The method uses gene chips (similar to computer chips) to read the molecules in heart and lung transplant biopsies. In the molecular microscope system developed by the U of A’s Alberta Transplant Applied Genomics Centre (ATAGC) and investigators in North America, Europe and Australia, software converts the chip readings into diagnoses automatically.

    Halloran said that the molecular microscope is a game changer in transplant medicine because it not only provides clinicians with insightful information for managing heart transplant rejection and treatment—which occurs in 150,000 patients worldwide every year—but also eliminates the confusion of unrecognized injury with rejection.

    “Our findings suggest that, not infrequently, the current standard lacks the refinement to distinguish true rejection from other processes causing injury,” said Daniel Kim, U of A transplant cardiologist. “This implies that, at times, patients could be treated for a condition they don’t have. The molecular microscope’s ability to more accurately diagnose rejection, before structural damage has occurred in a patient’s heart, provides us with an essential tool in the evolution towards true precision medicine.”

    The molecular microscope system is now being developed for lung transplant biopsies, with the goal of changing care for those patients as well.

    “Reading small lung transplant biopsies with a microscope is challenging—much more so than other transplantable organs—and that makes diagnosing rejection that much more difficult and prone to error,” explained Kieran Halloran, assistant professor of medicine in the U of A’s Faculty of Medicine & Dentistry. “This molecular diagnostic system is at an earlier stage in lung compared to heart and certainly to kidney, but is showing promising results that it can see similar information. That potential is very exciting for lung transplant clinicians.”

    He noted there is a huge unmet need for this type of precision medicine among lung transplant patients, who experience the shortest of all survival rates, often running into transplant trouble within five years.

    “You can’t hit what you can’t see,” added Philip Halloran. “Transplant rejection can be going on and we are missing it. And more commonly, rejection is way overdiagnosed, and patients are experiencing treatment complications for a condition they didn’t have. Our system will change the approach to care.”

    Link: https://www.folio.ca/clinical-trials-show-new-u-of-a-molecular-microscope-system-safer-more-effective-in-heart-and-lung-transplant-biopsies/


    'Molecular microscope' system safer, more effective in heart and lung transplant biopsies

    PUBLIC RELEASE: 12-APR-2018 https://www.eurekalert.org/pub_releases/2018-04/uoaf-ms041218.php

    Research shows system requires less tissue samples and provides more precise readings UNIVERSITY OF ALBERTA FACULTY OF MEDICINE & DENTISTRY

    A transplant biopsy system that uses gene chips to read molecules is far safer and more effective than existing approaches used for heart transplant biopsies and is showing promising results for lung transplant biopsies, new University of Alberta-led research shows. An international team of transplant specialists–including Philip Halloran, the founder of the “molecular microscope” system–presented early clinical trial findings of the system today at the 2018 meeting of the International Society for Heart and Lung Transplantation in Nice, France. “Our research indicates that the molecular microscope system is more precise and accurate than conventional methods, which often involve extensive disagreement between doctors reading the biopsies, and therefore errors,” said Halloran, a U of A transplant physician and globally recognized leader in the field. The method uses gene chips (similar to computer chips) to read the molecules in heart and lung transplant biopsies. In the molecular microscope system developed by the U of A’s Alberta Transplant Applied Genomics Centre (ATAGC) and investigators in North America, Europe and Australia, software converts the chip readings into diagnoses automatically. Halloran said that the molecular microscope is a game changer in transplant medicine because it not only provides clinicians with insightful information for managing heart transplant rejection and treatment–which occurs in 150,000 patients worldwide every year–but also eliminates the confusion of unrecognized injury with rejection. “Our findings suggest that, not infrequently, the current standard lacks the refinement to distinguish true rejection from other processes causing injury,” said Daniel Kim, U of A transplant cardiologist. “This implies that, at times, patients could be treated for a condition they don’t have. The molecular microscope’s ability to more accurately diagnose rejection, before structural damage has occurred in a patient’s heart, provides us with an essential tool in the evolution towards true precision medicine.” The molecular microscope system is now being developed for lung transplant biopsies, with the goal of changing care for those patients as well. “Reading small lung transplant biopsies with a microscope is challenging–much more so than other transplantable organs–and that makes diagnosing rejection that much more difficult and prone to error,” explained Kieran Halloran, assistant professor of medicine in the U of A’s Faculty of Medicine & Dentistry. “This molecular diagnostic system is at an earlier stage in lung compared to heart and certainly to kidney, but is showing promising results that it can see similar information. That potential is very exciting for lung transplant clinicians.” He noted there is a huge unmet need for this type of precision medicine among lung transplant patients, who experience the shortest of all survival rates, often running into transplant trouble within five years. “You can’t hit what you can’t see,” added Philip Halloran. “Transplant rejection can be going on and we are missing it. And more commonly, rejection is way overdiagnosed, and patients are experiencing treatment complications for a condition they didn’t have. Our system will change the approach to care.”

    ###

    Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.

    Medscape Medical News: Molecular Diagnostics Pinpoint Heart Transplant Trouble

    https://www.medscape.com/viewarticle/895141?src=rss#vp_2

    Ingrid Hein April 12, 2018

    NICE, France — The molecular diagnosis of heart transplant biopsies is more precise than histologic analysis, and could become a new standard, results from the INTERHEART study (NCT02670408) show. “Agreement in histology is significant, but there are a lot of discrepancies,” said Philip Halloran, PhD, MD, from the Alberta Transplant Applied Genomics Centre at the University of Alberta in Edmonton. Molecular diagnosis is more objective and reproducible than histology, and provides new understanding of an organ’s reduced function in response to injury, he explained here at International Society for Heart and Lung Transplantation 2018 Scientific Sessions. Because increased diagnostic accuracy can eliminate confusion between transplant rejection and organ injury, treatment can be more precise and the administration of unnecessary immunosuppression drugs can be prevented, he said. Halloran and his colleagues assessed endomyocardial biopsy samples from 462 patients who had undergone heart transplantation at one of eight centers. Biopsies were performed a mean of 810 days after transplantation. Archetypal analysis, which assigns idealized extreme examples to compare all points analyzed, was conducted with Affymetrix microarrays. To compare molecular with histologic diagnoses, biopsies were assigned to one of three groups: no rejection, antibody-mediated rejection, or T-cell-mediated rejection. For molecular diagnosis, the researchers used a molecular diagnostic system developed for kidney transplant biopsies (Nat Rev Nephrol2016;12:534-548), which they found they could use for hearts (J Heart Lung Transplant2017;36:1192), as reported by Medscape Medical News.

    Molecular Results Different From Histologic Finding

    For the biopsies assigned to the no rejection group, the rate of agreement between molecular and histologic approaches was 82%. For those assigned to antibody-mediated rejection, the rate of agreement was 33%, and for those assigned to T-cell-mediated rejection, it was 36%. For biopsies with mixed results, the rate of agreement was 13%. The low rate of agreement between the two approaches is not a surprise. For 160 years, “we have looked down a microscope at a piece of tissue that’s been cut and stained with ancient dyes. We know that between two pathologists reading rejection, there’s only 28% agreement above random,” Halloran said. A previous study looked into histologic kappa values for concordance among pathologists (Transplantation2012;94:1172-1177). “There’s truth there, but there’s also a lot of noise, meaning errors,” he explained. In their investigation, Halloran and his colleagues found that molecular readings correlated with heart function, improved accuracy, and improved prediction of future failure. “Knowing what we know, we should be making diagnoses by looking at the messages from genes,” he asserted, adding that it’s time to embrace precision medicine.

    Molecular Adds “Fourth Dimension” to Diagnosis

    During the course of their investigation, the team found another dimension to molecular analysis, which they identified as “injury”. When they examined the histologic results, they found a high rate of error, particularly for biopsies assigned to T-cell-mediated rejection. These were, in fact, serious injuries that were not rejection but were confused with rejection, Halloran explained during his presentation of this second analysis of the data. “These were false-positives caused by injury, not rejection,” he reported. The histologic approach is not reliable and can lead to misdiagnosis, which could mean that patients are subjected to unnecessary treatment. “Antirejection drugs are heavy stuff. You don’t want those if you don’t need them,” said Halloran. “We need to include the dimension of injury in our diagnosis. This is something we can’t read with histology.”

    Antirejection drugs are heavy stuff. You don’t want those if you don’t need them.

    “This is significant progress,” said Andrew Fisher, PhD, from the Institute of Transplantation at Freeman Hospital in Newcastle Upon Tyne, United Kingdom. “Using an objective scientific approach instead of by eye, we can look at the molecular signature of a biopsy to make a more accurate diagnosis,” he told Medscape Medical News. In fact, a similar study looking at the molecular diagnosis of lung biopsy — conducted by a team led by Halloran’s son, Kieran Halloran, MD, also from the University of Alberta — will be presented at the meeting later this week. Halloran reports holding stock in Transcriptome Sciences. Fisher has disclosed no relevant financial relationships. International Society for Heart and Lung Transplantation (ISHLT) 2018 Scientific Sessions: Abstract 43, presented April 11, 2018; Abstract 178, presented April 12, 2018. Follow Medscape on Twitter @Medscape and Ingrid Hein @ingridhein


    MMDx abstracts at the 2018 American Transplant Congress

    Saturday, June 2, 2018 Poster Presenter: Jeff Reeve Abstract Confirmation Number: 1976 Abstract Title: “Molecular Classifiers Can Outperform the Flawed Histologic “Gold Standard” on Which They Are Trained” Session: “Poster Session A: Biomarkers, Immune Monitoring and Outcomes” Date: Saturday, June 2, 2018 Location: Hall 4EF, Washington State Convention Center Publication/Poster Board Number: 56 Presentation Time: 5:30 pm – 7:30 pm   Sunday, June 3, 2018 Oral Presenter: Michael Parkes Abstract Confirmation Number: 1532 Abstract Title: “Molecular Phenotypes of Injury and Rejection in Lung Transplant Transbronchial Biopsies” Session: “Concurrent Session: Lung: From Allocation to Outcomes” Date: Sunday, June 3, 2018 Time: 2:30 pm – 4:00 pm Publication Number: 76 Presentation Time: 2:42 pm Oral Presenter: Michael Parkes Abstract Confirmation Number: 932 Abstract Title: “T Cell-Mediated Rejection Poses Greater Risk to Graft Survival Than Antibody-Mediated Rejection in Heart Transplants” Session: “Concurrent Session: The Guest that NEVER leaves: Immunologic Challenges in Heart Transplantation” Date: Sunday, June 3, 2018 Time: 4:30 pm – 6:00 pm Publication Number: 170 Presentation Time: 5:18 pm Monday, June 4, 2018 Oral Presenter: Gunilla Einecke Abstract Confirmation Number: 556 Abstract Title: “Predictors of Graft Survival at the Time of a Kidney Transplant Indication Biopsy” Session: “Concurrent Session: Kidney Complications: Late Graft Failure” Date: Monday, June 4, 2018 Time: 4:30 pm – 6:00 pm Publication Number: 322 Presentation Time: 5:42 pm Oral Presenter: Philip F Halloran Abstract Confirmation Number: 489 Abstract Title: “Inflammation in Scarred Areas (I-IFTA) is a Reflection of Parenchymal Injury (Response to Wounding) Not T Cell-Mediated Rejection” Session: “Concurrent Session: Kidney Chronic Antibody Mediated Rejection” Date: Monday, June 4, 2018 Time: 2:30 pm – 4:00 pm Publication Number: 210 Presentation Time: 3:42 pm Tuesday, June 5, 2018 Oral Presenter: Philip F Halloran Abstract Confirmation Number: 1961 Abstract Title: “Validating Molecular Microscope Readings and Estimating Agreement with Histology” Session: “Concurrent Session: Kidney: Acute Cellular Rejection” Date: Tuesday, June 5, 2018 Time: 2:30 pm – 4:00 pm Publication Number: 455 Presentation Time: 3:06 pm Oral Presenter: Konrad Famulski Abstract Confirmation Number: 1150 Abstract Title: “Expression of the Senescence Marker P16/INK4A in Kidney Implantation Biopsies is Uniquely Associated with Poor Late Graft Function” Session: “Concurrent Session: Kidney Donor Selection / Management Issues – 2” Date: Tuesday, June 5, 2018 Time: 4:30 pm – 6:00 pm Publication Number: 521 Presentation Time: 5:42 pm


    MMDx abstracts at the Transplantation Society 2018 International Congress

    Monday, July 2, 2018 Abstract ID # 1581 Title: Molecular Assessment of Heart Transplant Biopsies: Emergence of the Injury Dimension Session Date and Time: 2018-07-02 from 09:45 to 11:15 Session Title: Heart Transplantation Order of Presentation:  1 Duration of Talk: 7 minutes presentation, followed by 3 minutes of Q&A Presenter: Dr. Philip F Halloran Wednesday, July 4, 2018 Abstract ID # 1135 TitleIn Kidney Allografts Inflammation in Scarred Areas is not a Reflection of Chronic Active T Cell-Mediated Rejection Session Date and Time: 2018-07-04 from 08:30 to 09:30 Session Title: Kidney Biopsy Order of Presentation:  1 Duration of Talk: 7 minutes presentation, followed by 3 minutes of Q&A Presenter: Dr. Philip F Halloran


    MMDx abstracts at the 2018 International Society for Heart and Lung Transplantation meeting

    Session TitlePLENARY 1: Opening Plenary Session Session Date/Time: Wednesday Apr 11, 2018 10:30 AM – 12:30 PM Room Location: Apollon Presentation Number: 43 Presentation Time: 11:30am – 11:45am Abstract Title: Molecular Diagnosis of Rejection Phenotypes in 889 Heart Transplant Biopsies: The INTERHEART Study Session TitlePoster Session 1: Pathology Session Date/TimeWednesday Apr 11, 2018 6:15 PM – 7:15 PM Room Location: Agora 2 Presentation Number: 766 Poster Presentation Time: 6:15pm – 7:15pm Abstract Title: Histologic and Molecular Microscope Determinants of Graft Survival in the INTERHEART Study: The Greater Importance of T Cell-mediated Rejection vs. Antibody-mediated Rejection in Graft Loss Session Title: Poster Session 1: Pathology Session Date/TimeWednesday Apr 11, 2018 6:15 PM – 7:15 PM Room Location: Agora 2 Presentation Number: 767 Poster Presentation Time: 6:15pm – 7:15pm Abstract Title: Validating the INTERHEART Classifiers for Molecular Diagnosis of Rejection in 558 New Endomyocardial Biopsies Session Title: ORAL SESSION 18: Mining the Tissue Biopsy: Molecular Signals of Rejection Session Date/TimeThursday Apr 12, 2018 11:00 AM – 12:30 PM Room Location: Hermes Presentation Number: 178 Presentation Time: 11:30am – 11:45am Abstract Title: By Molecular Analysis, Many ISHLT Histologic Rejection Diagnoses Are Associated With Molecular Injury, Not Molecular Rejection


    Showcasing MMDx at the European Society of Organ Transplantation Congress 2017

    Transcriptome Sciences, Inc. (TSI) founder and CEO Dr. Phil Halloran delivered a featured plenary talk at the 2017 ESOT Congress on how the Molecular Microscope® system is used to understand disease states in organ transplants. Watch the video here.


    PRNewswire: Thermo Fisher Scientific's One Lambda Brand Signs Exclusive Licensing Agreement with Transcriptome Sciences Inc. for access to Molecular Microscope Diagnostic System

    One Lambda, a Thermo Fisher Scientific (NASDAQ:TMO) brand, has announced an exclusive licensing agreement with Transcriptome Sciences Inc. (TSI) for its Molecular Microscope® Diagnostic (MMDx) system. CLIA-licensed and CAP-accredited Kashi Clinical Laboratories, Inc. has adopted the MMDx technology in collaboration with Transcriptome Sciences Inc. and will be offering the service to process biopsy samples in the US. For more information on the MMDx test visit www.molecular-microscope.com. The full press release can be read at www.nasdaq.com.


    A video montage recognizing Dr. Phil Halloran's contributions to the field of organ transplantation presented during the Doctor Honoris Causa ceremony at the Sorbonne in Paris.


    TSI CEO and Founder Dr. Philip Halloran receives Doctor Honoris Causa award from Faculté de Médicine de University of Paris Descartes

    Transcriptome Sciences Inc. (TSI) is proud to announce that its CEO and founder, Dr. Philip Halloran, received the award of  Doctor Honoris Causa from Faculté de Médicine de University of Paris Descartes on December 14, 2016 in Paris, France. The ceremony took place in the historic Musee d’Histoire de Medicine, and the honorary doctorate from the Faculté de médecine de l’Université de Paris Descartes was presented by the Dean of Faculty of Medicine, Professeur Friedlander. Also in attendance were Prof. Denis Glotz,  Dean Friedlander, Prof. Xavier Jouven, Prof. Alex Loupy, Prof. Carmen Lefaucheur, and Prof. Christophe Legendre. Many congratulations!


    CEO Awarded with Prix Galien Award

    CEO and Founder Dr. Philip Halloran has been honored with the prestigious 2016 Prix Galien Canada Research Award in Toronto, in recognition of his work in transplantation. “The Prix Galien is the most prestigious award in the field of Canadian pharmaceutical research and innovation. Referred to as the Nobel Prize of pharmaceutical research, it recognizes the efforts and achievements of pharmaceutical research and development. The Prix Galien Canada is organized by Innovation Life Canada, a non-profit organization whose mission is to celebrate Canadian innovation in the life sciences.” (Taken from http://innovativemedicines.ca/historic-honourees-celebrated-at-2016-health-research-foundation-research-awards-gala/, accessed November 23, 2016)   Full article available here. Additional article here.


    TSI & ATAGC Presentation Schedule

    The Transcriptome Sciences team and their ATAGC partners will be well-represented at the 2017 American Transplant Congress in Chicago April 29-May 3. For a list of our talks and posters presented at the 2016 American Transplant Congress in Boston, please view or download the attached file. click here to open


    TSI Launches New Website

    Transcriptome Sciences Inc. (TSI) is proud to launch its new website, designed to be more interactive with the intention of staying connected to clinicians, investors, and scientists. Feel free to let us know what you think by sending us your comments at info@transcriptome.com




  • Product Pipeline

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