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Articles tagged "Islets"

  • 2015 American Transplant Congress

    Mesenchymal Stem Cells Suppress Cytotoxicity of Activated Natural Killer Cells in Liver Via the TRAIL-TRAIL Receptor Pathway in Islet Transplantation

    N. Ishida, K. Ishiyama, F. Hirata, Y. Saeki, Y. Tanaka, H. Ohdan.

    Department of Gastroenterological and Transplant Surgery, Hiroshima University, Hiroshima, Japan.

    Introduction: Innate immune reactions against islet grafts are considered a major obstacle for intraportal islet transplantation. We have previously reported that liver natural killer (NK)…
  • 2015 American Transplant Congress

    Kidney Versus Islet Allograft Survival After Induction of Mixed Chimerism in Nonhuman Primates

    T. Oura, D. Ko, J. O'Neil, S. Boskovic, O. Nadazdin, K. Hotta, K. Kawai, B. Cosimi, T. Kawai.

    Transplant Center, Massachusetts General Hospital, Harvard Medical School, Boston, MA.

    Background: We have previously reported a successful induction of mixed chimerism and the long-term acceptance of renal allografts in MHC-mismatched nonhuman primates. In this study,…
  • 2015 American Transplant Congress

    Hypothermic Machine Perfusion Improves the Quality of Marginal Donor Pancreata

    M. Leemkuil,1 M. Engelse,2 R. Ploeg,3 E. de Koning,2 C. Krikke,1 H. Leuvenink.1

    1Surgery, University Medical Center Groningen, Groningen, Netherlands; 2Nephrology, Leiden University Medical Center, Leiden, Netherlands; 3Transplant Biology, Oxford Transplant Center, Oxford, United Kingdom.

    Introduction. Pancreas or islet transplantation is considered the most effective treatment for patients with type 1 diabetes mellitus. Due to the persistent organ shortage, pancreata…
  • 2015 American Transplant Congress

    Proteasome Inhibition by Bortezomib Prevents Early Graft Failure After Pancreatic Islet Transplantation

    H. Ono,1 Y. Asahi,1 T. Yoshida,1 Y. Koshizuka,1 M. Watanabe,1 U. Tomaru,2 S. Emoto,1 M. Fukai,3 A. Taketomi,1 S. Todo,4 K. Yamashita.3

    1Gastroenterological Surgery1, Hokkaido University Graduate School of Medicine, Sapporo, Japan; 2Department of Pathology, Hokkaido University Graduate School of Medicine, Sapporo, Japan; 3Department of Transplant Surgery, Hokkaido University Graduate School of Medicine, Sapporo, Japan; 4St Mary's Hospital, Kurume, Japan.

    Background: Islet graft loss caused by injurious inflammatory and innate immune responses, is a major obstacle in pancreatic islet transplantation (PIT). In this pathophysiology, the…
  • 2015 American Transplant Congress

    Identifying Barriers Specific to Xenoislets by Direct Comparison to Alloislets in a Dual Transplant Model

    K. Samy,1 B. Martin,2 P. Thompson,2 A. Farris,2 M. Song,2 V. Leopardi,1 B. Collins,1 A. Kirk.1

    1Department of Surgery, Duke University Medical Center, Durham, NC; 2Emory Transplant Center, Emory University, Atlanta, GA.

    Purpose:The xenotransplantation of neonatal porcine islets (NPIs) may alleviate the shortage of islets currently limiting islet allotransplantation. However, successful implementation requires understanding of the immune…
  • 2015 American Transplant Congress

    Liver Versus Kidney. A Functional Study on Pancreatic Islet Implantation Sites

    T. Corsello,1 G. Curcuru,2 D. Zorzi,3 M. Montalbano,1 B. Carr,1 L. Cicalese,1 C. Rastellini.1

    1Surgery, UTMB, Galveston, TX; 2Bioingegneria, Univ. of Palermo, Palermo, Sicilia, Italy; 3Surgical Oncology, MD Anderson, Houston, TX.

    Background: In the clinical setting, liver is the site currently used for pancreatic islet transplantation (ITX). However, it has been shown that over 50% of…
  • 2015 American Transplant Congress

    Human Mesenchymal Stromal Cells Improve Survival and Function of Pancreatic Islets by Cell-to-Cell Contact

    E. Montanari,1 R. Mahou,1,2 S. Passemard,2 F. Noverraz,2 P. Morel,1 R. Meier,1 D. Bosco,1 J. Seebach,3 C. Wandrey,2 S. Gerber,2 C. Gonelle-Gispert,1 L. Buhler.1

    1Department of Surgery, Cell Isolation and Transplantation Center, Geneva University Hospitals and Medical Faculty, Geneva, Switzerland; 2Institut d'Ingénierie Biologique et Institut des Sciences et Ingénierie Chimiques, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland; 3Division of Immunology and Allergy, Geneva University Hospitals and Medical Faculty, Geneva, Switzerland.

    Background and Aim:The aim of this study was to evaluate the survival and function of human pancreatic islets co-encapsulated with human Mesenchymal Stromal Cells (MSC)…
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