Articles tagged "Pig"

2019 American Transplant Congress
TCR Transgenes to Understand Human Xenotolerance Induction
G. Nauman, C. Borsotti, N. Danzl, M. Khosravi-Maharlooei, H. Li, E. Chavez, Y. Yang, M. Sykes
Columbia Center for Translational Immunology, New York, NY
*Purpose: Swine thymus transplantation is a promising approach to clinical tolerance for pig-to-human xenotransplantation. In humanized mice, a swine thymus graft supports de novo selection…
2019 American Transplant Congress
Islet Xenotransplantation: A Quest for Clinically Available Immunosuppression Regimens
Z. W. Fitch¹, Q. Gao¹, R. P. Davis¹, M. S. Mulvihill¹, M. Song¹, F. Leopardi¹, M. Ribeiro¹, T. How¹, K. Reimann², G. R. Devi¹, B. H. Collins¹, A. D. Kirk¹
¹Surgery, Duke University, Durham, NC, ²University of Massachusetts, Worcester, MA
*Purpose: Porcine islet xenotransplantation has progressed significantly in non-human primate (NHP) studies. However, all successful NHP studies have relied upon immunosuppressive regimens that utilize drugs…
2019 American Transplant Congress
Inhibition of Sialidase Activity and Galectin Binding Reduces Xenogeneic Neutrophil-Endothelial Adhesion
B. M. Cerel¹, B. M. French², D. G. Harris², C. Laird², L. Burdorf¹, X. Cheng², C. Feng³, A. S. Cross⁴, S. E. Goldblum⁴, G. R. Vasta³, R. N. Pierson III¹, A. M. Azimzadeh¹
¹Deparment of Surgery, Massachusetts General Hospital, Boston, MA, ²Department of Surgery, University of Maryland School of Medicine, Baltimore, MD, ³Department of Microbiology and Immunology, and Institute of Marine and Environmental Technology, University of Maryland School of Medicine, Baltimore, MD, ⁴Department of Medicine Center for Vaccine Development, University of Maryland School of Medicine, Baltimore, MD
*Purpose: Immediate neutrophil sequestration occurs despite genetic modifications (Gal-a-1-3 galactosyl transferase knock out; human CD46 complement regulatory gene addition) to pig donor organs. Sialic acids…
2019 American Transplant Congress
Effects of Static Subnormothermic Preservation of Extended Warm Ischemic Porcine Kidneys Assessed by Ex-Vivo Machine Perfusion and Renal Transplant Model
H. Sahara, Y. Ariyoshi, M. Sekijima, T. Iwanaga, A. Shimizu, K. Yamada
Center for Advanced Biomedical Science and Swine Research, Kagoshima University, Kagoshima, Japan
*Purpose: The donation after circulatory death (DCD) donors has the potential to match the increasing need for transplantable organs, however, DCD kidneys have a higher…
2019 American Transplant Congress
Expression of Prostaglandin E2 Receptors Track with Rejection in Porcine Kidney Transplants
A. Harner¹, Y. Wang², X. Fang², R. Lassiter¹, T. D. Merchen¹, S. Ho³, S. Nahman Jr²
¹Surgery, Augusta University, Augusta, GA, ²Nephrology, Augusta University, Augusta, GA, ³Gift of Life Michigan, Ann Arbor, MI
*Purpose: Prostaglandin E2 (PGE2) is generated from arachidonic acid via cyclooxygenase-2 (COX2) and is known to modulate the immune response via its receptors: EP1, EP2,…
2019 American Transplant Congress
Optimizing a Protocol for Extended Ex-Vivo Extremity Perfusion
C. J. Stewart¹, M. T. Buchko², X. Wang¹, G. Brandacher³, A. Ladak⁴, D. H. Freed², J. Nagendran²
¹Surgery, University of Alberta, Edmonton, AB, Canada, ²Cardiac Surgery, University of Alberta, Edmonton, AB, Canada, ³Plastic and Reconstruction Surgery, Johns Hopkins University, Baltimore, MD, ⁴Plastic Surgery, University of Alberta, Edmonton, AB, Canada
*Purpose: Our objective is to demonstrate that Ex-Vivo Extremity Perfusion (EVEP) of a Vascularized Composite Allograft (VCA) is as effective, or superior, to standard cold…
2019 American Transplant Congress
Oral Preconditioning of Donors after Brain Death with Calcineurin Inhibitors vs. Inhibitors of Mammalian Target for Rapamycin in Pig Kidney Transplantation
S. Abbasi Dezfouli¹, M. Golriz¹, O. Ghamarnejad¹, E. Khajeh¹, S. Mohammadi¹, M. Nikdad¹, A. Majlesara¹, M. Sabagh¹, P. Fathi¹, S. Shafiei¹, M. Kentar², A. Younsi², C. Eckert³, T. Poth³, A. Mehrabi¹, A. Nickkholgh¹
¹Department of General, Visceral, and Transplantation Surgery, University of Heidelberg, Heidelberg, Germany, ²Department of Neurosurgery, University of Heidelberg, Heidelberg, Germany, ³Department of Pathology, University of Heidelberg, Heidelberg, Germany
*Purpose: The systemic inflammatory cascade triggered in donors after brain death (DBD) enhances the ischemia-reperfusion injury (IRI) after organ transplantation. Data regarding donor preconditioning with…
2019 American Transplant Congress
Balance between Low DNA Concentration and Structural Damage of Extracellular Matrix during Recellularization Procedure as a Key to Successful Recellularization
A. Berman, A. Adamiok, G. Tynicki, L. Kaczynski, M. Gomolka, M. Klak, M. Wszola
Foundation of Research and Science Development, Warsaw, Poland
*Purpose: Recellularization is considered to be a potential way to solve the problem of organ shortage for transplantation. One of the conditions for the use…
2019 American Transplant Congress
Near-Infrared Fluorescence Imaging with ZW800-1 Dye to Assess Donor Kidneys While on Ex-Vivo Normothermic Machine Perfusion
A. S. Arykbaeva¹, K. M. Rozenberg², M. L. Lo Faro², J. Hunter², J. B. Doppenberg¹, A. R. Valentijn³, A. G. Terwisscha van Scheltinga³, H. Putter⁴, I. P. Alwayn¹, J. V. Frangioni⁵, J. Burggraaf⁶, A. L. Vahrmeijer¹, R. J. Ploeg², V. A. Huurman¹
¹Department of Surgery, Leiden University Medical Center, Leiden, Netherlands, ²Nuffield Department of Surgical Sciences, Oxford, United Kingdom, ³Department of Clinical Pharmacy and Toxicology, Leiden University Medical Center, Leiden, Netherlands, ⁴Department of Biomedical Data Sciences, Leiden University Medical Center, Leiden, Netherlands, ⁵Curadel, LCC, Marlborough, MA, ⁶Centre for Human Drug Research, Leiden, Netherlands
*Purpose: At present, more older and higher risk donor kidneys are accepted resulting in increased uncertainty about quality. This may result in unjustified discard of…
2019 American Transplant Congress
The Effect of Intravenous Immunoglobulin on Human Complement-Dependent Cytotoxicity of Pig Cells: Benefit? Or Harm?
T. Yamamoto¹, Q. Li¹, A. Banks¹, H. Iwase¹, D. Ayares², D. K. Cooper¹, H. Hara¹
¹Xenotransplantation Program, Department of Surgery, University of Alabama at Birmingham, Birmingham, AL, ²Revivicor, Blacksburg, VA
*Purpose: Xenoreactive antibodies and complement play an important role in pig xenograft rejection. Intravenous immunoglobulin (IVIG) is widely used in desensitization protocols and for the…

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