Articles tagged "Graft acceptance"

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…
2021 American Transplant Congress
Donation After Circulatory Death Kidney Transplantation Has Equal Long-Term Graft and Patient Survival as Donation After Brain Death: A Systematic Review and Meta-Analysis
E. Rijkse¹, S. Ceuppens¹, H. Qi², J. N. IJzermans¹, D. A. Hesselink³, R. C. Minnee¹
¹HPB/Transplant surgery, Erasmus Medical Center, Rotterdam, Netherlands, ²Biostatistics, Erasmus Medical Center, Rotterdam, Netherlands, ³Nephrology and Transplantation, Erasmus Medical Center, Rotterdam, Netherlands
*Purpose: Donation after circulatory death (DCD) kidneys are not worldwide accepted yet due to concerns about inferior quality. To investigate whether these concerns are justified,…
2021 American Transplant Congress
Can Procurement Biopsy Data Tell Us Anything? The Influence of Interstitial Fibrosis on Long-term Kidney Graft Survival
D. Stewart¹, J. Foutz¹, L. Kamal², H. McGehee¹, P. Saravanane², S. Yu³, R. Yousfi², G. Gupta²
¹Research, United Network for Organ Sharing, Richmond, VA, ²Virginia Commonwealth University Health, Richmond, VA, ³Research, Virginia Commonwealth University Health, Richmond, VA
*Purpose: Biopsy findings have been shown to have a profound impact on kidney utilization decisions. Most studies of the association between procurement biopsy findings and…
2020 American Transplant Congress
Immunomodulation with FasL Presenting Biomaterials Achieves Long-Term Survival of Allogeneic Islets in the Absence of Chronic Immunosuppression in a Non-Human Primate Model
J. Lei¹, H. Deng¹, T. Chen¹, K. Lee¹, C. Peters¹, Z. Yang¹, K. Deng¹, G. Rickert¹, I. Rosales¹, N. Serifis¹, M. Coronel², M. Hunckler², E. Yolcu³, H. Shirwan³, A. García², J. Markmann¹
¹Surgery, Mass General, Boston, MA, ²School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, ³School of Mechanical Engineering, University of Louisville School of Medicine, Louisville, KY
*Purpose: The full potential of islet transplantation will only be realized by the development of tolerogenic strategies that obviate the need for maintenance immunosuppressants. We…
2020 American Transplant Congress
Significant Improvement in Short and Long-Term Kidney Transplant Survival Despite Stagnant Rates of Delayed Graft Function
J. Schold¹, S. Arrigain², E. Poggio³
¹Cleveland Clinic Foundation, Cleveland, OH, ²Quantitative Health Sciences, Cleveland Clinic Foundation, Cleveland, OH, ³Nephrology, Cleveland Clinic Foundation, Cleveland, OH
*Purpose: Delayed Graft Function (DGF) is routinely characterized as attributing to significant morbidity and mortality among kidney transplant recipients. While there are diverse potential mechanisms…
2020 American Transplant Congress
Lymph Node Stromal Laminin Alpha5 Regulates Antigen Specific T Cell Adaptive Immunity
L. Li¹, M. Shirkey¹, W. Piao¹, Y. Xiong¹, V. Saxena¹, T. Zhang¹, C. Paluskievicz¹, J. Zhao², R. Abdi², J. S. Bromberg¹
¹UMB, Baltimore, MD, ²Harvard University, Boston, MA
*Purpose: Laminin α5 (Lama5) is associated with immunity and regulates T cell entry and responses within the lymph node (LN). We hypothesized that stromal Lama5…
2020 American Transplant Congress
Long-Term Allograft Survival via Donor MHC Chimerism Induced by Exosomes
B. Gonzalez Nolasco, X. Wang, M. Wang, A. Prunevieille, K. M. Lee, J. F. Markmann, G. Benichou
Surgery - Center for Transplantation Sciences, Massachusetts General Hospital & Harvard Medical School, Boston, MA
*Purpose: Allogeneic transplant tolerance has been achieved by inducing mixed hematopoietic chimerism via donor bone marrow transplantation. Tolerance mechanisms in this model involve the presentation…