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…
2021 American Transplant Congress
Increased T Cell Cross-dressing in Accepted Kidney Allografts
Q. Yuan¹, S. Hong², E. Szuter², I. Rosales², Y. Zhao², B. Gonzalez-Nolasco², G. Benichou², P. Russell², J. Madsen², R. Colvin², A. Alessandrini²
¹Massachusetts General Hospital/Chinese PLA General Hospital, Boston, MA, ²Massachusetts General Hospital, Boston, MA
*Purpose: Kidney allografts transplanted across certain mouse strain combinations (e.g. DBA/2 to B6) develop tolerance while other combinations do not (e.g. B6 to DBA/2). We…
2021 American Transplant Congress
Laminin Alpha 4 and Alpha5 Differentially Regulate Lymph Node Tolerogenic Structure
L. Li¹, M. Shirkey¹, W. Piao¹, Y. Xiong¹, V. Saxena¹, T. Zhang¹, J. Iyyathurai², R. Lakhan¹, R. Abdi³, J. Bromberg¹
¹Surgery, UMB, Baltimore, MD, ²CVID, UMB, Baltimore, MD, ³Harvard University, Boston, MD
*Purpose: Lymph node (LN) stromal laminins α4 (Lama4) and α5 (Lama5) are associated with tolerance and immunity, respectively. We hypothesized that stromal Lama4 and Lama5…
2021 American Transplant Congress
Review of Unos Report of Organ Offers is Supplemented with Documented Real-time Communication Messages
E. S. Pahl¹, N. Patterson²
¹University of Iowa, Iowa City, IA, ²Iowa Methodist, Des Moines, IA
*Purpose: Use real time group messaging data among procurement and transplant professionals to supplement the review of UNOS Report of Organ Offers (ROO) for declined…
2021 American Transplant Congress
First Full Reversal of Diabetes in Non-human Primates (nhp) with Stem Cell Derived Islet-like-clusters (sc-ilcs)
J. Lei¹, S. Collins², H. Deng¹, Z. Yang¹, A. Zhang¹, C. Peters¹, J. Zhang², K. Boulanger², M. Yu³, M. Rickels³, C. Liu³, R. Pop², A. Naji³, D. Melton², J. Markmann¹
¹Surgery, Mass General, Boston, MA, ²Harvard Stem Cell Institute, Harvard University, Boston, MA, ³Surgery, Upenn, Philadelphia, PA
*Purpose: Deceased donor allo-islet transplants (Tx) have demonstrated the ability of cell-based therapy to fully reverse T1D, however, an inadequate donor supply and frequent need…
2021 American Transplant Congress
Donor-derived Cell-free DNA in Upper Extremity Vascular Composite Allograft Recipients
R. Kalsi¹, M. Abuzeineh², J. Littleton¹, J. T. Shores¹, D. S. Cooney¹, C. Cooney¹, R. J. Redett¹, G. Brandacher¹, D. C. Brennan²
¹Plastic and Reconstructive Surgery, Johns Hopkins University, Baltimore, MD, ²Nephrology, Johns Hopkins University, Baltimore, MD
*Purpose: Diagnosing rejection in VCA recipients relies on clinical exam and biopsy which are both easily confounded by common causes of skin irritation. dd-cfDNA in…
2021 American Transplant Congress
Cellular and Genetic Signatures of Operational Tolerance in Kidney Transplant Recipients Through Single Cell R N A Sequencing Analysis
H. BAE¹, H. Lee², J. Ryu³, B. Chung², E. Oh³
¹Department of Biomedical Science, Graduate School, College of medicine, The Catholic university of Korea, Seoul, Seoul, Korea, Republic of, ²Department of Internal Medicine, Division of Nephrology, College of Medicine, Seoul St. Mary’s hospital, the Catholic University of Korea, Seoul, Korea, Republic of, ³Department of Laboratory Medicine, College of medicine, The Catholic university of Korea, Seoul, Seoul, Korea, Republic of
*Purpose: Patients with operational tolerance do not use immunosuppressants after renal transplantation, but they show stable post-transplant results. We analyzed differently expressed mRNAs and proteins…