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American Transplant Congress abstracts

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Articles tagged "Rapamycin"

  • 2018 American Transplant Congress

    TGF-b Plus Rapamycin Induce Foxp3 and Promote iTreg Development and Suppressive Function, Leading to Long-Term Allograft Survival

    L. Wang, A. Samanta, R. Han, N. Zhou, W. Hancock.

    Path & Lab Med, CHOP & UPenn, Philadelphia, PA.

    Given the major roadblocks to development of Treg-based cell therapy, pharmacologic approaches to expand endogenous Tregs warrant attention, including approaches with more sustained effects than…
  • 2018 American Transplant Congress

    Sirolimus Use Improves Cancer-Free Survival Following Transplantation: A Single Center 10-Year Analysis

    P. Chen,2 L. Nair,2 A. Ata,2 D. Conti,1 R. Lopez-Soler.1

    1Surgery, Section of Transplantation, Albany Medical College, Albany, NY; 2Surgery, Albany Medical College, Albany, NY.

    Introduction:In previous published results, we showed that the use of Sirolimus-based immunosuppression regimens had equivalent patient and graft 10-year survival compared to historical controls maintained…
  • 2018 American Transplant Congress

    Belatacept-Refractory CD8+CD28–CD38hi Effector/Memory T Cells Are Targeted by mTOR Inhibition Leading to a Preferential Loss of CD40L

    C. Castro Rojas,1 A. Godarova,1 A. Rike Shields,2 R. Alloway,2 M. Jordan,3 E. Woodle,2 D. Hildeman.1

    1Division of Immunobiology, Cincinnati Children's Hospital, University of Cincinnati College of Medicine, Cincinnati, OH; 2Division of Transplantation, University of Cincinnati College of Medicine, Cincinnati, OH; 3Division of Bone Marrow Transplant and Immune Deficiency, Cincinnati Children's Research Foundation, Cincinnati, OH.

    Calcineurin inhibitors (CNIs) and corticosteroids (CSS) have substantial untoward side effects, most notably nephrotoxicity. Consequently, the FDA approved belatacept for maintenance immunosuppression. We recently completed…
  • 2017 American Transplant Congress

    CD4+IFN-γ+IL-10+ Regulatory Type 1 Cells Facilitate Prolongation of Graft Survival in Old Recipient Mice Treated with Rapamycin.

    T. Heinbokel, M. Quante, K. Minami, A. Elkhal, S. Tullius.

    Transplant Surgery Research Laboratory and Division of Transplant Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA

    Although the elderly represent a rapidly growing population among transplant recipients, age-specific aspects have not been considered sufficiently in clinical trials. Moreover, age-specific effects of…
  • 2017 American Transplant Congress

    Conversion from Calcineurin Inhibitor to Sirolimus in Kidney Transplantation Recipients with Malignancy.

    J. Yoon, S. Kang, S. Kim, C. Baeck, H. Kim, S.-K. Park.

    Nephrology, Asan Medical Center, Seoul, Republic of Korea

    Background: Kidney transplant recipients are at an increased risk of malignancy for various reasons, such as the chronic use of calcineurin inhibitor (CNI). Sirolimus (SRL),…
  • 2017 American Transplant Congress

    Efficacy of Calcineurin Inhibitors Transferring to Rapamycin in Live Kidney Transplantation from Old Donors to Young Recipients.

    G. Chen, C. Wang, Z. Wu, C. Wang, J. Qiu, L. Chen.

    Organ Transplant Center, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China

    Background Calcineurin inhibitor(CNI) nephrotoxicity is one of the major reasons for chronic allograft injury in live kidney transplantation from old donors to young recipients. Therefore…
  • 2017 American Transplant Congress

    Potential Mechanism Involving Regulatory T Cells in Induction of Tolerance in Mouse Vascularized Composite Allotransplantation Under Combined Costimulation Blockade.

    M. Anggelia,1,2 Y.-Y. Huang,3 W.-Y. Chuang,4 H.-Y. Cheng,1 G. Brandacher,5 F.-C. Wei,1,2 C.-H. Lin.1,2

    1PRS, Center for Vascularized Composite Allotransplantation, Chang Gung Memorial Hospital, Taoyuan, Taiwan; 2Chang Gung Medical College and Chang Gung University, Taoyuan, Taiwan; 3Nephrology, Chang Gung Memorial Hospital, Taoyuan, Taiwan; 4Pathology, Chang Gung Memorial Hospital, Taoyuan, Taiwan; 5Plastic and Reconstructive Surgery, Johns Hopkins University School of Medicine, Baltimore, MD

    Background: Role of Regulatory T cells in vascularized composite allotransplantation (VCA) remains to be elucidated. In this study, we investigate potential mechanism involved in Tregs…
  • 2017 American Transplant Congress

    Rapamycin Directly Alters Human Endothelial Cell Alloimmunogenicity.

    V. Bendersky,1 H. Xu,2 A. Kirk.2

    1School of Medicine, Duke University, Durham, NC; 2Department of Surgery, Duke University, Durham, NC

    The mTOR inhibitor rapamycin (Rapa) is known to suppress T cell function. However, many of its in vivo effects, particularly its synergistic effects with costimulation…
  • 2017 American Transplant Congress

    Applicability and Safety of a Regulatory T Cell Therapy in Adult Liver Transplantation: The “ThRIL” Phase I First-in-Human Trial.

    G. Whitehouse, N. Safinia, S. Thirkell, L. Fry, N. Grageda, M. Martinez-Llordella, R. Lechler, N. Heaton, G. Lombardi, A. Sanchez-Fueyo.

    MRC Centre for Transplantation, King's College London, London, United Kingdom

    Aim“ThRIL” is a multiple site, open-label, uncontrolled, phase I clinical trial assessing the safety and applicability of a CD4+CD25+FOXP3+ regulatory T cell (Treg) immunotherapy in…
  • 2017 American Transplant Congress

    IL-7 Receptor Heterogeneity as a Mechanism for Repertoire Change During Post-Depletional Homeostatic Proliferation and Its Relation to Costimulation Blockade Resistant Rejection.

    H. Xu, T. Brennan, A. Kirk.

    Department of Surgery, Duke University School of Medicine, Durham, NC

    Transplant patients treated with belatacept without depletional induction show high rates of costimulation blockade resistant rejection (CoBRR); this has been associated with CD57+ T cells.…
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