Articles tagged "Pig"

2021 American Transplant Congress
Composition of Ex Vivo Lung Perfusion Solutions and Kinetics Define Differential Cytokine and Chemokine Secretion in a Porcine Cardiac Arrest Model of Lung Preservation
L. M. Radomsky¹, A. Koch², C. Olbertz², J. F. Kuehne¹, Y. Liu², J. Keil¹, K. Beushausen¹, U. Rauen³, C. S. Falk¹, M. Kamler²
¹Institute of Transplant Immunology, Hannover Medical School, Hannover, Germany, ²Thoracic Transplantation, Department of Thoracic and Cardiovascular Surgery, University Hospital Essen, Essen, Germany, ³Institute of Physiological Chemistry, University Hospital Essen, Essen, Germany
*Purpose: Ex vivo lung perfusion is an innovative technique to evaluate marginal lung organs especially after DCD. Normothermic continuous perfusion should reduce ischemic damage and…
2021 American Transplant Congress
Triple-Knockout Pig Red Blood Cells Are a Potential Alternative Source for Clinical Blood Transfusion
T. Yamamoto¹, M. H. Bikhet¹, H. Q. Nguyen¹, M. Javed¹, D. Ayares², H. Iwase¹, H. Hara¹, D. K. Cooper¹
¹Xenotransplantation Program, Surgery, The University of Alabama at Birmingham, Birmingham, AL, ²Revivicor, Blacksburg, VA
*Purpose: Triple-knockout (TKO) pig RBCs (pRBCs) may be an alternative source for clinical blood transfusion because almost humans have no preformed antibody to TKO pRBCs.…
2021 American Transplant Congress
Anti-pig IgE and IgA Antibodies in Sera of (i) Naïve Primates and (ii) Non-human Primates Sensitized to Pig Xenografts
H. Hara, Q. Li, H. Iwase, T. Yamamoto, D. Ayares, D. K. Cooper
University of Alabama at Birmingham, Birmingham, AL
*Purpose: Anti-pig IgM and IgG antibodies in primates play an important role in xenograft rejection. The possible roles of anti-pig IgE and IgA have not…
2021 American Transplant Congress
Imaging Flow Cytometry Reveals That Platelet-Sized Erythrocyte Fragments are Formed During Pig Organ Perfusion with Human Blood
Z. A. Habibabady¹, F. Ellett², L. Burdorf¹, M. Connolly¹, F. Pollok¹, D. Irimia², R. N. Pierson III¹, A. M. Azimzadeh¹
¹Center for Transplantation Sciences, Massachusetts General Hospital and Harvard School of Medicine, Boston, MA, ²Center for Engineering in Medicine and Surgery, Massachusetts General Hospital and Harvard School of Medicine, Boston, MA
*Purpose: Severe thrombocytopenia frequently occurs after xenotransplantation of porcine cells or organs, and when pig organs are perfused with human blood. We developed a flow…
2021 American Transplant Congress
Initial Experience with Growth Hormone Receptor Knockout in Pig-to-Baboon Kidney Transplantation: Effect on Ureteric Viability and Kidney Growth
C. Hansen-Estruch¹, H. Iwase¹, A. Jagdale¹, T. Yamamoto¹, M. H. Bikhet¹, J. Foote², H. Hara¹, D. Anderson¹, P. Porrett¹, D. Eckhoff¹, D. Ayares³, W. Eyestone³, J. Locke¹, D. K. Cooper¹
¹Xenotransplantation Program, Department of Surgery, University of Alabama at Birmingham, Birmingham, AL, ²Department of Microbiology and Animal Resources Program, University of Alabama at Birmingham, Birmingham, AL, ³Revivicor, Blacksburg, VA
*Purpose: The purpose of this study was to report outcomes of pig-to-baboon renal transplants using a novel growth hormone receptor knockout (GHRKO) organ-source pig created…
2021 American Transplant Congress
Cold Perfusion for Ischemia Minimization Reduces Cardiac Injury in an Ex Vivo Xenoperfusion Model
M. R. Connolly¹, A. Calhoun¹, F. Pollok¹, L. Burdorf¹, Z. Habibabady¹, M. Ma¹, S. Miura¹, W. Eyestone², C. Phelps², D. Ayares²
¹Massachusetts General Hospital, Boston, MA, ²Revivicor, Blacksburg, VA
*Purpose: Prior studies using Steen’s cold perfusion storage technique for heart ischemia minimization (IM) prevented initial xenograft dysfunction (IXD). Our pilot data evaluates the effect…
2021 American Transplant Congress
Complement Blockade Improves Renal Xenograft Survival in Primates in the Absence of Transgenic Complement Regulatory Proteins
D. A. Faber¹, B. Lovasik¹, A. Matar¹, C. Breeden¹, A. B. Farris², M. Tector³, A. Tector³, A. Adams⁴
¹Surgery, Emory University School of Medicine, Atlanta, GA, ²Pathology, Emory University School of Medicine, Atlanta, GA, ³Surgery, University of Miami, Miami, FL, ⁴Surgery, University of Minnesota, Minneapolis, MN
*Purpose: Complement activation is a major contributor to xenograft rejection. To minimize xenograft injury, complement suppression via insertion of human complement-regulatory transgenes into the donor…
2021 American Transplant Congress
Combined CD11b/CD40 Blockade is Superior to CD40 Blockade Alone in Prolonging Survival in Pig-to-Nonhuman Primate Renal Xenotransplantation
D. A. Faber¹, B. Lovasik¹, A. Matar¹, C. Breeden¹, S. Kim¹, A. Adams²
¹Surgery, Emory University School of Medicine, Atlanta, GA, ²Surgery, University of Minnesota, Minneapolis, MN
*Purpose: Blockade of the CD40/CD154 pathway is highly effective in preventing rejection in pig-to-nonhuman primate (NHP) xenotransplantation models. Clinical translation of anti-CD154 mAbs, however, has…
2020 American Transplant Congress
Experimental Porcine Pancreatic Allotransplantation after Hypothermic Perfusion
T. Prudhomme¹, D. Kervella¹, K. Renaudin², V. Gauttier¹, S. Le Bas-Bernardet³, D. Minault³, J. Hervouet³, D. Cantarovich¹, G. Karam¹, G. Blancho¹, J. Branchereau¹
¹Institut de Transplantation Urologie Néphrologie (ITUN), CHU Nantes, Nantes, France, ²Département d’Anatomie et de Cytologie Pathologique, CHU Nantes, Nantes, France, ³Centre de Recherche en Transplantation et Immunologie, UMR1064, INSERM, Université de Nantes, Nantes, France
*Purpose: The main objective of this study was to compare the different preservation techniques (static cold storage (SCS) and hypothermic pulsatile perfusion (HPP)) in a…
2020 American Transplant Congress
XIAP Enhances Xenoislet Survival: Novel Models to Evaluate Pretransplantation Gene Modifications
G. R. Devi¹, Z. Fitch¹, M. Song¹, M. Ribeiro¹, A. McGowan¹, X. Luo², B. H. Collins¹, A. D. Kirk¹
¹Department of Surgery, Duke Univesity School of Medicine, Durham, NC, ²Division of Nephrology, Duke Univesity School of Medicine, Durham, NC
*Purpose: Porcine islet xenotransplantation offers a reliable and near limitless supply of islets for the treatment of type 1 diabetes. Intraportal infusion of cells exposes…

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