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Articles tagged "Hepatocytes"

  • 2018 American Transplant Congress

    Graft CEACAM1 is Essential to Autophagy Induction and T-Cell Regulation in Liver Transplantation: From Mouse-to-Human

    K. Nakamura,1 S. Kageyama,1 M. Kujawski,2 T. Ito,1 A. Aziz,1 D. Oncel,1 B. Ke,1 R. Sossa,3 E. Reed,3 F. Kaldas,1 R. Busuttil,1 J. Kupiec-Weglinski.1

    1Surgery, Liver Transplant, UCLA, Los Angeles, CA; 2Molecular Immunology, City of Hope, Duarte, CA; 3Pathology, UCLA, Los Angeles, CA.

    We have documented crucial role of TIM-3 dependent T cell dysfunction in mouse orthotopic liver transplantation (OLT). CEACAM1 (CM1; Carcinoembryonic Antigen-Related Cell Adhesion Molecule 1),…
  • 2017 American Transplant Congress

    TIM-3 – CEACAM1 Checkpoint Regulation of T-Cell Activation and Hepatocellular Function in Liver Transplantation.

    K. Nakamura,1 S. Kageyama,1 M. Kujawski,3 R. Sosa,2 E. Reed,2 A. Zarrinpar,1 R. Busuttil,1 J. Kupiec-Weglinski.1

    1Dept. Surgery, UCLA, Los Angeles, CA; 2Dept. Pathology, UCLA, Los Angeles, CA; 3Dept. Molecular Immunology, City of Hope, Duarte, CA

    Background/Aim: We have documented crucial role of TIM-3 dependent T cell dysfunction in mouse orthotopic liver transplantation (OLT). CEACAM1 (CD66a; CM1; Carcinoembryonic Antigen-Related Cell Adhesion…
  • 2017 American Transplant Congress

    Impact of STEEN vs Gelofusine as Perfusate During Normothermic Ex Vivo liver Perfusion on Outcome of Pig Liver Transplantation.

    I. Linares, D. Kollmann, J. Echeverri, M. Kaths, R. Rosales, C. Bruguera, M. Hamar, P. Urbanellis, S. Ganesh, N. Selzner, M. Selzner.

    Multiorgan Transplant Program, Toronto General Hospital, Toronto, ON, Canada

    European and North American clinical trials have used two different perfusate solutions for normothermic ex vivo liver perfusion (NEVLP): Gelofusine (bovine derived gelatin-based solution) and…
  • 2017 American Transplant Congress

    Beneficial Effects of Human Mesenchymal Stromal Cells on Porcine Hepatocytes Viability and Albumin Secretion.

    E. Montanari,1 J. Pimenta,1 H.-J. Schuurman,1 J. Meier,1 R. Meyer,1 A. Balaphas,1 J. Sidibé,2 A. Thomas,2 S. Passemard,3 S. Gerber-Lemaire,3 C. Gonelle-Gispert,1 L. Buhler.1

    1Department of Surgery, University of Geneva, Geneva, Switzerland; 2University Centre of Legal Medicine, Universities of Lausanne and Geneva, Geneva and Lausanne, Switzerland; 3Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland

    Aim: Acute liver failure carries a very high mortality and transplantation of encapsulated pig hepatocytes might temporarily compensate the metabolic functions until the dysfunctional liver…
  • 2017 American Transplant Congress

    The Effect of Semimature Dendritic Cell on Transplantation Tolerance of Hepatocytes Differentiated from Mouse Embryonic Stem Cells.

    A. Hu, C. Zhang, W. Liao, X. Zhu, X. He.

    The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China

    Objective Research of semimature dendritic cell(smDCs) inducing transplantation toleranceof hepatocytes differentiated from mouse embryonic stem cells (ESCs) and its mechanismtions.Methods Inducing 129 mouse ESCs labelled…
  • 2017 American Transplant Congress

    The Role of Natural Killer Cells in Recognition and Killing of Stem Cells and Stem Cell-Derived Hepatoblasts.

    T. Cisneros, D. Dillard, M. Castro, J. Arredondo-Guerrero, S. Krams, C. Esquivel, O. Martinez.

    Surgery, Stanford University School of Medicine, Stanford, CA

    The generation of stem cell-derived hepatocytes holds promise as a cell-based treatment for liver disease. However, the immune response to stem cell-derived grafts is poorly…
  • 2016 American Transplant Congress

    The mTORC2 Activation Is Critical for Hepato-Cytoprotection Against Ischemia and Reperfusion Injury.

    H. Zhou,1,2 J. Zhu,1,3 S. Yue,1 R. Busuttil,1 J. Kupiec-Weglinski,1 X. Wang,2 Y. Zhai.1

    1Surgery, David Geffen School of Medicine-University of California-Los Angeles, LA, CA; 2Liver Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China; 3Liver Surgery, Renji Hospital, Shanghai, China.

    Background & AimsRapamycin and Everolimus have been used in liver transplant patients, particularly those with calcineurin inhibitor-related nephrotoxicity and hepatocellular carcinoma. Although designed as mTORC1…
  • 2015 American Transplant Congress

    Marked Suppression of Posttransplant Alloantibody Production and Primed B cell Function In Vivo by mTOR Inhibition Compared to Calcineurin Inhibition

    C. Wright, J. Zimmerer, T. Pham, G. Bumgardner.

    Department of Surgery, CTC, The Ohio State University, Columbus, OH.

    mTOR inhibitors [mTORi; Rapamycin, (Rapa)] and calcineurin inhibitors [CNi; Tacrolimus (Tac)] are immunosuppressives commonly used to suppress rejection of transplants. Despite widespread use following transplantation…
  • 2015 American Transplant Congress

    Hepatocyte-Related miR-193a-3p Is Over-Expressed in Allograft Biopsy from Liver Tolerant Recipients

    R. Danger, J. Lozano, E. Bonaccorsi-Riani, E. Kodela, R. Mas-Malavila, M.-C. Londono, M. Martinez, A. Rimola, M. Martinez-Llordella, A. Sanchez-Fueyo.

    Department of Liver Sciences, Faculty of Life Sciences & Medicine, MRC Transplant Centre, King's College London, London, United Kingdom; Liver Unit and Bioinformatic Platform, IDIBAPS, University of Barcelona and Hospital Clinic Barcelona, Barcelona, Spain.

    While liver transplantation is the treatment of choice for end-stage liver diseases, its success is compromised by the need to administer life-long immunosuppression, which negatively…
  • 2015 American Transplant Congress

    Distinctive Roles of mTORC1 Vs. mTORC2 in Liver Ischemia-Reperfusion Injury

    H. Zhou,1,2 J. Zhu,1,3 S. Yue,1 M. Zhang,3 R. Busuttil,1 Q. Xia,3 J. Kupiec-Weglinski,1 Y. Zhai.1

    1The Dumont-UCLA Transplant Center, UCLA, Los Angeles; 2Liver Transplant Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China; 3Liver Surgery, Renji Hospital, Shanghai Jiaotong University, Shanghai, China.

    Mammalian target of rapamycin (mTOR) exists in two complexes to regulate diverse biological processes. Although mTOR complex 1, the canonical target of rapamycin, has been…
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