2022 American Transplant Congress
Cd137 on Host Dendritic Cells Fine-Tunes the Intesity of Donor T Cells in Systemic Alloinmmune Responses
*Purpose: CD137 is a potent costimulatory receptor for CD8+ T cells but it also regulates dendritic cells (DCs) to suppress immune responses. In this study,…2022 American Transplant Congress
Toll-Like Receptor-4 Inhibitor, Resatorvid, Attenuates Allogenic T Cell Activation Against Human Pancreatic Islets by Decreasing CD69 Expression
1Baylor University, Waco, TX, 2Baylor University Medical Ctr, Dallas, TX
*Purpose: Allogenic and autoimmune response against islets remain major obstacles to improve long term function of islet transplants. Inhibition of toll-like receptor 4 (TLR4) using…2022 American Transplant Congress
Islet-Derived Exosomes Carry Self-Antigens and May Induce Autoimmunity After Transplantation
*Purpose: Our earlier observations revealed release of exosomes from human islets containing microRNAs (miRNA) specific to islet stress and damage in vitro and in vivo…2021 American Transplant Congress
Donor Mhc-independent Islet Rejection in Autoimmune Diabetes: Implications for Stem Cell Therapy
*Purpose: Stem cell technology is an attractive approach for generating insulin-producing cells for transplantation in insulin-dependent diabetes and potentially can be genetically modified. One recent…2021 American Transplant Congress
A Phase 1 Study to Evaluate the Safety, Tolerability and Pharmacokinetics of At-1501
1Novus Therapeutics, Irvine, CA, 2ALS Therapy Development Institute, Cambridge, MA
*Purpose: Execute a phase 1 study of AT-1501 to assess safety, pharmacokinetics, and functional activity.*Methods: The study employed a placebo-controlled, sequential, dose-escalation design. 28 healthy…2021 American Transplant Congress
Autoantibodies Against Ro/SS-A, CENP-B, and La/SS-B are Increased in Patients with Kidney Allograft Antibody-mediated Rejection
*Purpose: Antibody-mediated rejection (AMR) causes >50% of late kidney graft losses. Although donor-specific antibodies (DSA) against HLA cause AMR, antibodies against non-HLA antigens are also…2021 American Transplant Congress
Transgenic Beta-cell Cxcl12 Expression and Stem Cell Mobilization Synergize to Suppress Type 1 Diabetes
*Purpose: Hematopoietic stem and progenitor cells (HSPCs) and regulatory T cells (Tregs) highly express CXCR4, the receptor for the CXCL12 chemokine. This keeps them predominantly…2021 American Transplant Congress
Recurrence and Outcome of Anti-GBM Glomerulonephritis After Kidney Transplantation: A Belgian Multicenter Study
Nephrology, Cliniques Universitaires Saint-Luc, Brussels, Belgium
*Purpose: Recurrence of anti-glomerular basement membrane (anti-GBM) glomerulonephritis (GN) in the kidney graft is a rare event, described in limited case reports and registry analysis.…2020 American Transplant Congress
Immune Response Following Cardiac Progenitor Cells Transplantation in Rat Myocardial Infarction Model
Surgery, University of Maryland, Baltimore, MD
*Purpose: Cardiac progenitor cells (CPCs, c-kit+) are well-characterized stem cell type shown to potentiate cardiac regeneration in myocardial infarct (MI) model. However, auto and allo…2020 American Transplant Congress
Natural Antibodies and Left Ventricular Assist Device Complications
*Purpose: Left ventricular assist device (LVAD) implantation is followed by a sharp increase in serum levels of IgG natural antibodies (Nabs) recognizing oxidation-specific epitopes (OSE)…
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