ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "Protective genes"

  • 2022 American Transplant Congress

    The Role of HNF4α in Renal Ischemia Reperfusion Injury

    A. D. Saha

    Toronto General Hospital Research Institute, Toronto, ON, Canada

    *Purpose: Ischemia reperfusion injury (IRI) affects all solid organ transplants and impairs renal graft function. However, the mechanisms by which IRI affects grafts are incompletely…
  • 2022 American Transplant Congress

    Myeloid Molecular Signature of Ischemia-Reperfusion Injury in Human Liver Transplantation

    R. A. Sosa1, R. Ahn2, A. Terry1, Z. Qian2, F. Li1, S. Sen1, T. Ito3, B. V. Naini1, F. Kaldas3, A. Hoffmann2, R. W. Busuttil3, D. W. Gjertson1, J. Kupiec-Weglinski3, E. F. Reed1

    1Pathology and Lab Medicine, UCLA, Los Angeles, CA, 2Microbiology, Immunology and Molecular Genetics, UCLA, Los Angeles, CA, 3Surgery, UCLA, Los Angeles, CA

    *Purpose: Ischemia reperfusion injury (IRI) is well-appreciated as a significant clinical concern for recipients of liver transplantation, yet there are still no diagnostic or therapeutic…
  • 2020 American Transplant Congress

    Prolonged Multitransgenic Pig Lung Survival with Attenuated Pulmonary Vascular Resistance Rise During Human Blood Perfusion

    M. R. Connolly1, L. Burdorf1, S. Pratts1, B. Cerel1, Z. Abady1, W. Quin2, Y. Kan2, J. Layer2, M. Youd2, W. Westlin2, L. Yang2, A. Azimzadeh1, R. N. Pierson III1

    1Center for Transplantation Sciences, Massachusetts General Hospital, Boston, MA, 2eGenesis, Cambridge, MA

    *Purpose: Physiologic behavior of porcine lungs with multiple xeno-targeted genetic modifications, Pig 2.0, have not previously been evaluated.*Methods: Eight pairs of lungs from Pig 2.0…
  • 2020 American Transplant Congress

    IL-33 is a Potent Injury Signal That Programs Graft Macrophage Metabolism Toward That Required for Reparative and Regulatory Functions

    T. Li1, Z. Zhang1, Q. Liu1, J. Bartolacci2, M. Velayutham1, G. Hussey2, J. Dziki2, L. Mathews1, Y. Lee3, G. Dwyer1, H. Dai1, A. Roessing1, S. Shiva4, M. Oberbarnscheidt1, S. Badylak2, H. Turnquist1

    1Starzl Transplant Inst. and Dept. Surgery, University of Pittsburgh, Pittsburgh, PA, 2McGowan Inst. and Dept. of Surgery, University of Pittsburgh, Pittsburgh, PA, 3Bioengineering, University of Pittsburgh, Pittsburgh, PA, 4Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, PA

    *Purpose: Sequestered self-molecules, such as HMGB1 or haptoglobin, are appreciated to stimulate the pro-inflammatory response of infiltrating innate immune cells by targeting TLR4 after their…
  • 2020 American Transplant Congress

    Improved Platelet Sequestration with Humanization of Von Willebrand Factor in Pig Xenogeneic Lung Perfusion Model

    M. R. Connolly1, L. Burdorf1, Z. Abady1, S. Sendil2, E. Redding2, B. Cerel1, S. Pratts1, C. Phelps3, W. Eyestone3, D. Ayares3, A. Azimzadeh1, R. N. Pierson III1

    1Center for Transplantation Sciences, Massachusetts General Hospital, Boston, MA, 2University of Maryland, Baltimore, Baltimore, MD, 3Revivicor, Blacksburg, VA

    *Purpose: Von Willebrand factor (vWF) is an important element of hemostasis and when activated, mediates platelet adhesion and promotes platelet aggregation under shear stress conditions.…
  • 2020 American Transplant Congress

    Normothermic Machine Perfusion of Genetically Modified Pig Livers with Human Blood

    D. Detelich1, T. M. Coe2, C. G. Rickert2, C. Carroll2, N. Serifis2, R. Matheson2, I. Rosales2, W. Qin3, Y. Kan3, J. Layer3, M. Youd3, W. Westlin3, S. Kimura2, A. Azimzadeh2, L. Yang3, J. F. Markmann2

    1Tufts Medical Center, Boston, MA, 2Massachusetts General Hospital, Boston, MA, 3eGenesis, Cambridge, MA

    *Purpose: Barriers to pig-to-human liver xenotransplantation remain, including profound thrombocytopenia, coagulopathy, and rejection. We utilized ex-vivo liver xenoperfusion with human blood to study the human…
  • 2019 American Transplant Congress

    Shroom3 Regulates Glomerular Hypertrophy after Uninephrectomy via mTOR

    K. Banu, F. Garzon, C. Wei, Z. Yi, W. Zhang, C. He, B. Murphy, M. C. Menon

    Mount Sinai School of Medicine, New York, NY

    *Purpose: A Shroom3 intronic risk locus & Shroom3 protein have been associated with increased fibrosis but reduced albuminuria in recipients of allografts with the risk…
  • 2019 American Transplant Congress

    Hypothermic Machine Perfusion Protects Donation After Cardiac Deathliver Graft Through Gstm1-mediated Cytochrome P450 Exogenous Substance Metabolism Pathway

    W. Liang, S. Ye, Z. Zhong, Q. Hu, Y. Wang, Q. Ye

    Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases, Wuhan, China

    *Purpose: Donation after cardiac death (DCD) is the mainly resource to relieve organ-transplantation shortage. Our previous research have confirmed that the function of DCD liver…
  • 2018 American Transplant Congress

    Klotho, HMGB-1 and Kynurenine as Marker for Injury and Function in Renal Transplantation

    M. Stangl,1 D. Abendroth.2

    1Transplant Center Munich, Klinikum Großhadern, LMU Munich, Munich, Germany; 2Surgery, University of Ulm, Ulm, Germany.

    Brain death is associated with immune activation and tissue injuries, counter regulated by activation of the tryptophan pathway producing kynurenine (Kyn). High mobility group box…
  • 2017 American Transplant Congress

    TIE'ing Statins to Microvascular Stability and Endothelial Cell Immunogenicity.

    C. Ghosh,1 A. Mak,1 M. McGourty,1 S. Parikh,2 X. Chen,2 S. Goldberg,1 J. Wedel,1 D. Briscoe.1

    1Transplant Research Program, Boston Children's Hospital, Boston, MA; 2Division of Nephrology, Beth Israel Deaconess Medical Center, Boston, MA

    Graft microvascular endothelial cells (EC) represent a critical interface between the recipient and the donor. Stable/quiescent EC support immunoregulation in part via the expression of…
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