Articles tagged "Graft acceptance"

2022 American Transplant Congress
Domino Living Donor Kidney Transplant Following Therapeutic Nephrectomy for Renal Artery Stenosis with Arterial Reconstruction and Viability Assessment Using Ex Vivo Normothermic Perfusion: A Case Series
R. Pearson¹, J. Wubetu¹, K. Stevenson¹, E. Aitken¹, A. Jackson¹, M. Clancy², D. B. Kingsmore¹
¹Renal Transplant, Queen Elizabeth University Hospital, Glasgow, Glasgow, United Kingdom, ²Renal Transplantation, Queen Elizabeth University Hospital, Glasgow, United Kingdom
*Purpose: Ex vivo normothermic perfusion (EVNP) is increasingly recognized as a viability tool to increase organ utilization. We report use of EVNP to assess graft…
2022 American Transplant Congress
Use of Pronase to Identify HLA Crossmatch Antibody Interference
N. Hendren¹, C. Lacelle¹, S. Carter¹, J. L. Grodin¹, E. Hardin², M. Farr³, S. Garg¹
¹UT Southwestern, Dallas, TX, ²University of Texas Southwestern Medical Center, Dallas, TX, ³University of Texas Southwestern, Dallas, TX
*Purpose: Solid organ transplant centers should maintain vigilance that antibody therapies can impact HLA crossmatch results.*Methods: N/A*Results: A 46-year-old man with Mayo stage IV cardiac…
2022 American Transplant Congress
Multiomic Analyses Of Two Pig Kidney To Human Xenotransplants
B. Keating¹, B. Piening², M. Mangiola³, J. Stern⁴, W. Zhang⁵, A. Griesemer⁶, B. Lonze⁷, M. Snyder⁸, J. Boeke⁵, R. Montgomery⁷
¹University of Pennsylvania, Philadelphia, PA, ²Providence Cancer Center, Portland, OR, ³New York University Langone Medical Center, New York, NY, ⁴Department of Surgery, NYU Langone, New York, NY, ⁵Institute of Systems Genetics, NYU Langone, New York, NY, ⁶Surgery, NYU Langone, New York, NY, ⁷NYU Langone Transplant Institute, New York, NY, ⁸Genetics, Stanford, Palo Alto, CA
*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
Fibroblastic Reticular Cell Lama4 Regulates T Cell Migration to Lymph Nodes and Adaptive Immunity
L. Li¹, M. Shirkey¹, T. Zhang¹, W. Piao¹, V. Saxena¹, Z. Mei¹, Y. Guo¹, A. Krupnick¹, A. Kensiski¹, S. Gavzy¹, R. Abdi², J. Bromberg¹
¹Surgery, UMB, Baltimore, MD, ²Harvard University, Boston, MA
*Purpose: Lymph node (LN) stromal laminin α4 (Lama4) is associated with tolerance. We hypothesized that fibroblastic reticular cell (FRC) derived Lama4 contributes to a tolerogenic…
2022 American Transplant Congress
Bystander Suppression: Enhancing the Power of Ex Vivo Expanded Antigen Specific Regulatory Cell Lines
S. Tripathi¹, P. L. Martin-Moreno², G. J. Kavalam³, B. Schreiber³, A. Wagaa-Gasser¹, A. Chandraker⁴
¹Renal, Brigham and Women's Hospital, Boston, MA, ²Nephrology, Clinica Universidad de Navarra, Ripagaina, Spain, ³Brigham and Women's Hospital, Boston, MA, ⁴Medicine, Brigham and Women's Hospital, Boston, MA
*Purpose: The potential of T regulatory cell (Treg) based therapies in transplantation has been demonstrated in various preclinical models. Multiple clinical trials are currently undergoing…
2022 American Transplant Congress
Exosomal TGFbeta:LAP as Immunosuppressive Mediator of Allo-Tolerance
W. Burlingham¹, E. Jankowska-Gan², J. Fechner³, C. Little², J. Sullivan⁴, D. Foley¹
¹University of Wisconsin, Madison, WI, ²Surgery-Transplant Division, University of Wisconsin, Madison, WI, ³Surgery-Transplant Division, University of Wisconsin-Madison, Madison, WI, ⁴Surgery, University of Wisconsin, Madison, WI
*Purpose: TGFβ has long been known as a key component in tolerance mediated by Treg cells. Here we show that, unlike IL10, but like CD39/CD73,…
2022 American Transplant Congress
Impact of the Weekend Effect on Adult and Pediatric Liver or Kidney Offer Acceptance
T. Yamamoto, M. Fruscione, A. Shah, L. Dageforde, S. Kimura, H. Yeh, N. Elias, T. Kawai, J. F. Markmann
Transplant Surgery, Massachusetts General Hospital/Harvard Medical School, Boston, MA
*Purpose: Weekends may impose resource and manpower constraints on hospitals. Studies using data from prior allocation schemas showed increased adult organ discards on weekends. We…
2022 American Transplant Congress
Resistance Isn’t Futile: The Independent Effect of Pumping Resistance on Long-Term Kidney Graft Survival
D. Stewart¹, J. Foutz¹, L. Kamal², G. Gupta²
¹United Network for Organ Sharing, Richmond, VA, ²Virginia Commonwealth University Health, Richmond, VA
*Purpose: Kidneys are pumped for therapeutic (to mitigate deleterious effects of ischemia), practical (to facilitate transplant scheduling), and prognostic (to assess organ quality) purposes. Yet…
2022 American Transplant Congress
The Ontario Anatomic Kidney Score (OAKS) : Quantitative Macroscopic Assessment versus Histological Grading in Pre-transplant Evaluation of Donor Kidneys
J. Mello Offerni¹, D. Matty², H. Abed³, P. Roshanov⁴, A. Sener¹, P. Luke¹
¹Urology, Western University, London, ON, Canada, ²Undergraduate Medical Education, Western University, Schulich School of Medicine & Dentistry, London, ON, Canada, ³Division of Urology, Department of Surgery, Schulich School of Medicine & Dentistry, Western University, London, ON, Canada, ⁴Division of Nephrology, Department of Internal Medicine, Schulich School of Medicine & Dentistry, Western University, London, ON, Canada
*Purpose: Quantitative gross assessment of a kidney has not been used to influence the evaluation to utilize a kidney for transplantation. The Ontario Anatomic Kidney…
2022 American Transplant Congress
Utilizing Microporous Annealed Particle (MAP) Gel as an Immunomodulatory Carrier for Islet Delivery
M. Ma¹, P. Chhabra¹, C. Roosa², D. R. Griffin², K. L. Brayman¹
¹Department of Surgery, University of Virginia Health System, Charlottesville, VA, ²Department of Biomedical Engineering, University of Virginia Health System, Charlottesville, VA
*Purpose: To investigate if coating with MAP gel improves dissociated or whole islet transplantation outcome.*Background: MAP gel platform technology is composed of hydrogel microspheres that…

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