ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "Proliferation"

  • 2022 American Transplant Congress

    Pegylated Lacritin N-104 Promotes Mouse Islet Stabilization and Prevents Diabetes Progression in the Non-Obese Diabetic (NOD) Mouse Model

    M. Ma1, P. Chhabra1, G. Laurie2, K. L. Brayman1

    1Department of Surgery, University of Virginia Health System, Charlottesville, VA, 2Department of Cell Biology, University of Virginia Health System, Charlottesville, VA

    *Purpose: To investigate if PEGylated Lacritin N-104 (PEG N-104) prevents the progression of type 1 diabetes (T1D) in the NOD mouse.*Background: Lacritin is a multifunctional…
  • 2022 American Transplant Congress

    Generation Of Insulin Producing Cells From Pancreatic Tissue With Long Standing Type 1 Diabetes

    Y. Garciafigueroa, J. B. Pollett, N. L. Thai, R. Bottino

    Imagine Pharma, Pittsburgh, PA

    *Purpose: AIPCs (Activated Islet Proliferating Cells), are a novel cell population from isolated human islets obtained using a simple culture protocol that can generate cells…
  • 2022 American Transplant Congress

    Characterization of Activated Islet Proliferating Cells (AIPCs) During Maturation to Pseudo-Islets

    Y. Garciafigueroa, J. B. Pollett, N. Thai, R. Bottino

    Imagine Pharma, Pittsburgh, PA

    *Purpose: We have previously described a novel population of cells developed from human islets called AIPCs (Activated Islet Proliferating Cells). AIPCs co-express CD133, glucagon and…
  • 2021 American Transplant Congress

    Belatacept-Resistant T Cells are Activated by IFNα-IRF7 Pathway

    F. Herr, K. Bargiel, A. Vernochet, A. Durrbach

    UMR1186, Villejuif, France

    *Purpose: Second signal of activation play an important role in activation of T lymphocytes. Their control by checkpoint inhibitor is efficient in auto-immune disease and…
  • 2021 American Transplant Congress

    Donor-specific Regulatory B Cells Prolong Skin Graft Survival by Preventing the Proliferation of Donor-specific CD4 Helper but Not of CD8 Effector T Cells

    G. Huai1, K. Lee2, K. Deng2, Q. Fu1, C. G. Rickert2, S. Deng1, C. LeGuern2, J. F. Markmann2

    1Department of Organ Transplantation Center, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China, 2Center for Transplantation Sciences, Massachusetts General Hospital, Harvard Medical School, Boston, MA

    *Purpose: TLR-Bregs were defined by our group as B cells generated in vitro. They have demonstrated the ability to inhibit CD4 T cell proliferation. Since…
  • 2021 American Transplant Congress

    LacripepTM-like Peptide N-104 Promotes Beta Cell Proliferation in Murine Pancreatic Islets

    M. Ma, P. Chhabra, K. Fread, K. Dias Teixeira, G. Laurie, K. Brayman

    University of Virginia Health System, Charlottesville, VA

    *Purpose: To monitor time-dependent cellular changes, with emphasis on beta cell regeneration, in pancreatic islets following treatment with LacripepTM-like peptide N-104 by mass cytometry. Background:…
  • 2020 American Transplant Congress

    The Effect of ANG-3777 on Hepatocyte Growth Factor Receptor C-MET Signaling

    L. Paka, I. D. Goldberg

    Angion Biomedica, Uniondale, NY

    *Purpose: Hepatocyte growth factor (HGF) regulates cell growth, development and tissue repair. HGF activity is mediated by the c-MET signaling pathway. The biological effects of…
  • 2019 American Transplant Congress

    Evaluating Liver Regeneration during Normothermic Machine Perfusion in Hepatectomized Rat Liver Model

    M. Aburawi1, S. Mert1, E. Hafiz2, P. Mahboub1, H. Yeh1, K. Uygun1, J. Markmann1

    1Surgery, Massachusetts General Hospital, Boston, MA, 2Pathology and Electron Microscopy, Theodor Bilharz Research Institute, Cairo, Egypt

    *Purpose: Realizing the liver’s unique ability to regenerate, this ongoing study examines Normothermic Machine Perfusion (NMP) as a promising platform for evaluating & potentially simulating…
  • 2019 American Transplant Congress

    Age-Related Effects on Thymic Output and Homeostatic T Cell Expansion Following Depletional Induction

    H. Xu, H. Lee, A. Kirk

    Surgery, Duke University, Durham, NC

    *Purpose: Alemtuzumab induction leads to profound T cell depletion followed by a prolonged period of repopulation. Repopulation is thought to be influenced both by thymic…
  • 2019 American Transplant Congress

    Evaluating Allo-Specific CD57+ T Cells during Memory and Proliferative Responses

    A. Lucander, H. Xu, A. Kirk

    Department of Surgery, Duke University, Durham, NC

    *Purpose: We have previously identified subsets of CD57+ T cells that are resistant to B7 costimulation blockade (CoB) in kidney transplant recipients. The objective of…
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