2022 American Transplant Congress
Rejection After Liver Transplantation: What Can We Learn from Transcriptomic Analysis?
1University of California, San Francisco, San Francisco, CA, 2UCLA, Los Angeles, CA
*Purpose: Acute cellular rejection (ACR) can occur at any time following liver transplantation (LT); initial ACR within 6 months is most common and occurs in…2022 American Transplant Congress
TCMR in Late Kidney Transplant Biopsies Shows Less Molecular TCMR Activity and More Fibrosis Despite Persistence of Tubulitis and Interstitial Infiltrate
1Alberta Transplant Applied Genomics Centre, Edmonton AB, AB, Canada, 2., ., AB, Canada
*Purpose: We studied the relationship between time post-transplant and molecular T cell-mediated rejection (TCMR) activity in a population of indication kidney transplant biopsies.*Methods: Updated rejection-based…2022 American Transplant Congress
Biopsy and Blood Gene Expression Profiles Distinguish Injury, Subclinical and Clinical Rejection in Kidney Transplant Recipients
1Scripps Health, La Jolla, CA, 2Northwestern University, Chicago, IL
*Purpose: We analyzed serial gene expression profiles in paired blood and biopsies from kidney transplant recipients phenotyped with a comprehensive clinical algorithm. We compared disease…2022 American Transplant Congress
Increased Baboon Chimerism After Peripheral Blood Stem Cell Infusion from a Novel GalTKO Pig with Functional Humanized Il-3 Receptor
Columbia University Irving Medical Center, New York, NY
*Purpose: The purpose of this study was to investigate whether expression of a humanized IL-3 receptor (hCD123+hCD131) transgene in a GalTKO pig would improve levels…2022 American Transplant Congress
Combined Genome Wide and Single Nuclei Transcriptomics in Posttransplant Acute Kidney Injury Identifies Early Proinflammatory/Profibrogenic Cell Origin
*Purpose: Kidney transplants offer a unique opportunity to evaluate molecular pathways involved in development and response to acute kidney injury (AKI). This prospective study of…2022 American Transplant Congress
Immunometabolism of Regulatory T Cells Enhanced by Lipid Nanoparticles
*Purpose: Human regulatory T cell (Treg) metabolism is highly dependent upon a number of factors, including cholesterol obtained from circulating lipoproteins. We have developed high-density…2022 American Transplant Congress
Correlation of Donor-Derived Cell-Free DNA with Histology and Molecular Diagnoses of T-cell Mediated Rejection in Kidney Transplant Biopsies
1Virginia Commonwealth University, Richmond, VA, 2University of Alberta, Edmonton, AB, Canada
*Purpose: We have reported the correlation of donor-derived cell-free DNA (dd-cfDNA) with histologic and molecular diagnosis (MMDx) of kidney transplant biopsies (Gupta et al, Transplantation…2021 American Transplant Congress
Single Cell RNA Sequencing Reveals a Global Increase in Inflammatory Gene Signature Following Normothermic Ex Vivo Liver Perfusion
Surgery, University of Wisconsin, Madison, WI
*Purpose: Normothermic ex vivo liver perfusion (NEVLP) provides an exciting system for improved organ preservation and optimized therapeutic agent delivery to a donor liver prior…2021 American Transplant Congress
A Noninvasive Diagnostic Approach for Molecular Monitoring of Face Transplant Recipients
*Purpose: Skin biopsies are currently the gold standard for evaluating the inflammatory status of face allografts. However, “tape stripping” is emerging as a noninvasive technique…2021 American Transplant Congress
Hypoxia Inducible Factor 1á (HIF-1á) Regulates Carcinoembryonic Antigen-related Cell Adhesion Molecule-1 (CEACAM1) Splice Isoforms to Protect Against Ischemic Injury in Mouse and Human Liver Transplantation
The Dumont-UCLA Transplantation Center, Los Angeles, CA
*Purpose: CEACAM1 (CC1) is a transmembrane glycoprotein that undergoes extensive alternative splicing (AS) to generate CC1-S and CC1-L. It is currently unclear which of these…
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