2022 American Transplant Congress
Multiomic Analyses Of Two Pig Kidney To Human Xenotransplants
*Purpose: Organ shortage remains a major limitation within transplantation, with waiting lists greatly outpacing the number of donors available. Pig organs offer significant advantages for…2022 American Transplant Congress
Triple-Knockout Pig Red Blood Cells as Potential Sources for Blood Transfusion in Alloimmunized Patients with Sickle Cell Disease
*Purpose: Blood transfusion remains important in the treatment of patients with sickle cell disease (SCD). However, alloimmunization after multiple blood transfusions is associated with patient…2022 American Transplant Congress
Post-Xenotransplant Antibody Specificities Against Swine, Monkey and Human Leukocyte Antigens in Highly Sensitized Nonhuman Primate Model
Surgery, Duke Transplant Center, Durham, NC
*Purpose: Xenotransplantation has been proposed as a bridge to transplant for allosensitized patients. However, the potential of xenotransplantation to broaden HLA allosensitization due to MHC…2022 American Transplant Congress
Pre-Transplantation Liver Immunoadsorption Reduces Liver-Specific Antibody and Complement Deposition without Prolonging Survival in Porcine to Baboon Liver Xenotransplantation
1Massachusetts General Hospital/Harvard Medical School, Boston, MA, 2eGenesis, Inc, Cambridge, MA
*Purpose: Triple knock-out pigs lacking GGTA1, β4GALNT2, CMAH genes are hypothesized to be the optimal donor for human xenotransplantation, however there is evidence that TKO…2022 American Transplant Congress
Long-Term (>1 Year) Rejection Free Graft Survival of Kidney Xenografts with Triple Xenoantigen Knockout and Multiple Human Transgenes in Cynomolgus Monkeys
*Purpose: Pigs with deletion of 3 carbohydrate xenoantigens (triple knock-out, TKO) are expected to be optimal donors for human xenotransplantation. We have previously shown that…2022 American Transplant Congress
Prolonged Xeno-Kidney Graft Survival in Highly Allo-Sensitized Nonhuman Primate Using Triple-Knockout Donor Pigs with 7 Human Transgenes
*Purpose: We have previously shown using porcine kidneys from genetically modified knockout alpha 1,3-galactosyltransferase (GGTA1KO) and human decay accelerating factor transgenic (CD55Tg) pigs that compared…2022 American Transplant Congress
First Report of Xenotransplantation from a Pig to Human Recipient
1NYU Langone Transplant Institute, New York, NY, 2CUMC, New York, NY
*Purpose: Xenotransplantation of genetically edited pig organs into human recipients can solve the global scarcity of organs for transplantation. Humans lack the α1,3-Gal glycan ubiquitously…2022 American Transplant Congress
Histocompatibility Findings in the First Xenotransplants from a Pig to Deceased Human Recipient
Transplant Institute, NYU Langone Transplant Institute, New York, NY
*Purpose: Humans lack α-1,3-Gal (α-gal) epitopes, and naturally occurring α-gal antibodies (Abs) cause hyperacute rejection of porcine xenografts. We conducted 2 successful xenotransplants in brain-dead…2022 American Transplant Congress
First-in-Human Clinical-Grade Porcine Kidney Xenotransplant
*Purpose: Proof-of-concept xenotransplant work has been performed in pig to non-human primates (NHP), but it is unclear if outcomes can be recapitulated in humans. While…2022 American Transplant Congress
Xenogeneic Cross-Circulation Supports Ex Vivo Human Livers for 24 Hours
*Purpose: Despite increasing use of machine perfusion as an organ preservation and rescue technique in liver transplantation, significant organ shortages and waitlist mortality highlight a…
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