ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "Jak/STAT"

  • 2021 American Transplant Congress

    Resolution of Endothelial Inflammation is Delayed Following IFNγ, Which Provokes a Long-lasting Pro-adhesive Phenotype Dependent on JAK/STAT Signaling

    N. M. Valenzuela

    Pathology and Laboratory Medicine, UCLA, Los Angeles, CA

    *Purpose: Although many cytokines are upregulated within allografts undergoing rejection, intragraft transcripts are dominated by IFN-response signatures. Resolution is a key phase of inflammation needed…
  • 2020 American Transplant Congress

    Protection Role of microRNA let-7 in Hepatic Ischemia Reperfusion Injury by Inhibiting JAK-STAT3 Pathway

    C. Sun1, Y. Hou2, S. Huang3, L. Wu1

    1Organ Transplant Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China, 2Department of Liver Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China, 3Department of General Surgery, Guangdong General Hospital, Guangzhou, China

    *Purpose: Ischemia reperfusion injury (IRI) is an inevitable event in conventional organ transplant procedure and affects the prognosis in post-transplantation. Increasing evidence suggests that microRNA…
  • 2020 American Transplant Congress

    A Novel Injectable Hydrogel-Based Approach to Localize and Tune the Actuation of Enhanced Costimulation Blockade to the Strength of Transplant Rejection

    A. Komin1, C. Liang2, P. Majumder2, X. Calderon-Colon3, O. Tiburzi3, M. Iglesias Lozano1, Y. Zhang1, G. Brandacher1, J. Patrone3, J. Schneider2, G. Raimondi1

    1Johns Hopkins School of Medicine, Baltimore, MD, 2NIH National Cancer Institute, Frederick, MD, 3JHU Applied Physics Laboratory, Laurel, MD

    *Purpose: Complications from long-term use of calcineurin inhibitors remain a major issue for transplant patients and alternative therapies are needed. The clinical efficacy of CTLA4-Ig…
  • 2019 American Transplant Congress

    JAK Inhibitor as a Novel Conditioning Approach to Establish Mixed Chimerism and Prevent Type 1 Diabetes Nonmyeloablatively

    H. Xu1, A. Merchak1, J. Xu2, Y. Huang1, S. T. Ildstad1

    1University of Louisville, Institute for Cellular Therapeutics, Louisville, KY, 2DuPont Manual High School, Louisville, KY

    *Purpose: Type 1 diabetes (T1D) is an autoimmune disease that results in the destruction of islet β cells. T1D has been found to be associated…
  • 2018 American Transplant Congress

    Biomaterial-Based Localized and Controlled Delivery of Tofacitinib to Actuate Enhanced Costimulation Blockade and Promote Long-Term Transplant Survival

    G. Raimondi,1 P. Majumder,2 V. Ivanova,1 X. Calderon-Colon,3 A. Mirdad,1 M. Iglesias Lozano,1 W. Lee,1 G. Brandacher,1 J. Schneider,2 J. Patrone.3

    1Johns Hopkins School of Medicine, Baltimore; 2National Cancer Institute, Frederick; 3Johns Hopkins Applied Physics Laboratory, Laurel.

    Complications from long-term use of calcineurin inhibitors remain a major issue for transplant patients and alternative therapies are highly needed. We investigated two innovative drug…
  • 2017 American Transplant Congress

    Designing a Novel Selective Immunoproteasome Inhibitor Reveals a Critical Role of the IP and STAT5 Pathway in Regulating T Cell Exhaustion and Promoting Long Term Heart Allograft Acceptance.

    S. Routray, E. Karreci, M. Uehara, J. Assaker, A. Mihali, S. Eskandari, L. Riella, R. Abdi, Y. Kawano, C. Nathan, G. Lin, J. Azzi.

    Transplant Research Center, Harvard Medical School, Boston, MA; Microbiology and Immunology, Weill Cornell Medicine, New York, NY

    Constitutive proteasomes (c-20S) are ubiquitously expressed cellular proteases that degrade polyubiquitinated proteins and regulate cell functions. Immunoproteasomes (IP or i-20S) are primarily expressed in immune…
  • 2017 American Transplant Congress

    The Beneficial Effect of Janus Kinase 3 Inhibitor on Transplanted Islet via Protection from Oxidative Stress-Induced β Cell Death.

    S.-J. Kang,1,2,3,4 H. Chung,1,2,3,4 S. Lee,1,2,3,4 J.-S. Shin,1,3,5 H.-J. Kim,1,2,3,4 J.-M. Kim,1,3,5 B.-H. Min,1,3,5 S. Choi,1,2,3,4 C.-G. Park.1,2,3,4,5

    1Department of Microbiology and Immunology, Seoul National University College of Medicine, Seoul, Korea; 2Cancer Research Institute, Seoul National University College of Medicine, Seoul, Korea; 3Xenotransplantation Research Center, Seoul National University College of Medicine, Seoul, Korea; 4Department of Biomedical Sciences, Seoul National University, Seoul, Korea; 5Institute of Endemic Diseases, Seoul National University College of Medicine, Seoul, Korea

    Janus kinase 3 (JAK3) is one of the molecules that make up the JAK-STAT signaling pathway that regulates numerous 40 cytokines. Thus, this cascade can…
  • 2017 American Transplant Congress

    Tofacitinib-Loaded Solid Lipid Nanoparticles Inhibits Dendritic Cell Antigen Presenting Functions and Achieve Selective In Vivo Targeting.

    G. Raimondi,1 X. Calderon-Colon,2 J. Budihardjo,1 A. Mirdad,1 M. Iglesias-Lozano,1 J. Walch,1 W. Lee,1 G. Brandacher,1 J. Patrone.2

    1Plastic & Reconstructive Surgery, Johns Hopkins University, Baltimore; 2Johns Hopkins Applied Physics Laboratory, Laurel

    BackgroundComplications from long-term use of calcineurin inhibitors are a major concern for transplant patients. To develop CNI-free therapies, we investigated an innovative drug delivery method…
  • 2017 American Transplant Congress

    Activation of Inflammation Amplifier in Kidney Graft and Urinary Biomarker for Chronic Rejection.

    H. Higuchi,1,2 D. Iwami,1 K. Hotta,1 N. Shinohara,1 M. Murakami.2

    1Hokkaido University, Renal and Genitourinary Surgery, Sapporo, Hokkaido, Japan; 2Hokkaido University, Molecular Neuroimmunology, Institute of Genetic Medicine, Graduate School of Medicine, Sapporo, Hokkaido, Japan

    [Introduction and Objective] Inflammation amplifier (IA), a local chemokine inducer in non-immune cells is induced by simultaneous activation of NFκB and STATs (IL-17, TNFα, and…
  • 2016 American Transplant Congress

    Tofacitinib Delivered by Solid Lipid Nanoparticles Inhibits Dendritic Cell Maturation and Their Allostimulatory Capacity.

    J. Budihardjo,1 M. Iglesias,1 J. Walch,1 X. Calderon-Colon,2 W. Lee,1 G. Brandacher,1 J. Patrone,2 G. Raimondi.1

    1Plastic Surgery, Johns Hopkins Medical Institutions, Baltimore, MD; 2Applied Physics Laboratory, Johns Hopkins University, Laurel, MD.

    BackgroundComplications caused by long-term immunosuppression remain a major concern for transplant patients. To optimize controlled and accurate dosing, we investigated an innovative drug delivery method…
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