2022 American Transplant Congress
A Novel Approach to Non-Invasive Multimodality Testing with Allosure and Allomap Predicts Microvascular Inflammation with High Accuracy in Kidney Transplant Recipients
University of Wisconsin, Madison, WI
*Purpose: The most prominent histologic lesion in antibody-mediated rejection (ABMR) is microvascular inflammation (MVI); however, its recognition and scoring can be challenging and poorly reproducible…2022 American Transplant Congress
RBBP7 as a Novel Biomarker for the Molecular Diagnosis of BK Virus-Associated Nephropathy
Department of Urology, Beijing Chaoyang Hospital, Beijing, China
*Purpose: BK virus-associated nephropathy (BKVN) remains a major infectious complication of kidney transplantation, and its histologic appearance can mimic rejection, leading to a diagnostic dilemma…2022 American Transplant Congress
The Prediction of Renal Allograft Rejection by Time-Dependent Two-Signature Predictors
*Purpose: The study aims to develop RNA signature predictors using preemptive biopsy transcriptome data to predict future allograft rejection and reveal the predictors' time-dependent features.*Methods:…2022 American Transplant Congress
Comparative Analysis of kSORT Assay for Predicting Acute Renal Allograft Rejection Under Belatacept-Based Immunosuppression
*Purpose: The kSORT (Kidney Solid Organ Response Test) assay uses transcriptomic profiling of peripheral blood to predict the presence of acute rejection (AR) in renal…2022 American Transplant Congress
Donor-Derived Cell-Free DNA Trends Before and After Rejection Vary Based on Timing of Rejection
1Northwestern University, Chicago, IL, 2Transplant Nephrology, Northwestern University, Chicago, IL
*Purpose: Donor-derived cell-free DNA (dd-cfDNA) has been used for acute rejection detection and trending levels may help predict future rejection and assess the adequacy of…2022 American Transplant Congress
Kidney Allograft Injury is Reflected in the DNA Cargo of Urinary Extracellular Vesicles
*Purpose: Following cell injury, donor-derived cell-free DNA (ddcfDNA) is increased in the urine of kidney transplant recipients. DNA containing urinary extracellular vesicles (uEVs) are relevant…2022 American Transplant Congress
Infection Impacts dd-cfDNA in Lung Transplant Recipients
*Purpose: Infection is the leading cause of death within 1 year post lung transplant. Graft injury secondary to infection is affected by both source and…2022 American Transplant Congress
Trends in Donor Derived Cell Free DNA Before and After Cellular and Antibody Mediated Rejection
1Northwestern University, Chicago, IL, 2Transplant nephrology, Northwestern University, Chicago, IL
*Purpose: The TRAC dd-cfDNA test was developed to detect acute kidney transplant rejection but can also detect subclinical rejection with improved performance in antibody-mediated rejection…2022 American Transplant Congress
An Initial Analysis of Baseline Levels of Dd-cfdna After Pancreas Transplantation: A Prospective Study from High-Volume Centers in the United States
*Purpose: Donor-derived cell-free DNA (dd-cfDNA) testing, which has been validated for monitoring kidney transplant (KTx) rejection, may provide an alternative to pancreas biopsy that prevents…2022 American Transplant Congress
Kinetics of dd-cfDNA in Kidney Transplant Recipients Following Sars-CoV-2 Vaccination Booster Administration
1Transplant Institute, NYU Langone Health, New York, NY, 2CareDx, Brisbane, CA
*Purpose: Evolving data suggests booster vaccine doses enhance the immunogenicity of SARS-CoV-2 vaccines in solid organ transplant recipients with higher IgG responses, neutralizing antibodies titers,…
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