Articles tagged "Rejection"

2019 American Transplant Congress
Use of Eculizumab for Active Antibody-Mediated Rejection That Occurs Early Post-Kidney Transplantation: A Consecutive Series of 15 Cases
E. Tan¹, B. J. Andrew², P. G. Dean², M. F. Shaheen¹, M. D. Stegall², C. A. Schinstock²
¹Division of Transplantation Surgery, Mayo Clinic Rochester, Rochester, MN, ²The William J von Liebig Center for Transplantation and Clinical Regeneration, Mayo Clinic Rochester, Rochester, MN
*Purpose: Active antibody-mediated rejection (ABMR) that occurs during the amnestic response within the first month post-transplant is a rare but devastating cause of early allograft…
2019 American Transplant Congress
Deficiency of the Transcription Factor Satb1 in T Cells Promotes Solid Organ Allograft Survival
P. K. Gupta¹, M. L. Miller², L. Chen¹, Y. Wang¹, J. Conejo-Garcia³, A. Chong¹, M. Alegre¹
¹University of Chicago, Chicago, IL, ²University of Pittsburgh, Pittsburgh, PA, ³Moffitt Cancer Center & Research Institute, Tampa, FL
*Purpose: Conventional CD4+ T cells are key effectors of allograft rejection and novel therapies limiting their response may hold promise in the context of organ…
2019 American Transplant Congress
NK Cells Are Associated with Alloimmune Failure in Transplanted Children
E. T. Chambers¹, O. Martinez², M. Robien³, C. Chan¹, R. Ettenger⁴, P. Grimm⁵, H. Lee¹, E. Reed⁴, L. Stempora⁶, M. Sarwal⁷, B. Warshaw⁸, C. Zhao¹, A. D. Kirk⁶
¹Pediatrics, Duke University, Durham, NC, ²Surgery, Stanford, Palo Alto, CA, ³NIH, Bethesda, MD, ⁴Pediatrics, UCLA, Los Angeles, CA, ⁵Pediatrics, Stanford, Stanford, CA, ⁶Surgery, Duke University, Durham, NC, ⁷Pediatrics, UCSF, San Francisco, CA, ⁸Pediatrics, Emory University, Atlanta, GA
*Purpose: Alloimmune failure, defined as the development of donor specific antibody (DSA) and/ or allograft rejection, remains a significant complication in pediatric kidney transplantation. NK…
2019 American Transplant Congress
Newly-Revealed Antibody Targets Lead to the Early Loss of Triple Knockout Pig Kidneys in a Pig to Baboon Model
Y. Ariyoshi¹, K. Takeuchi¹, T. Pomposelli¹, D. K. Ekanayake-Alper¹, C. Schuetz¹, H. Sahara¹, L. Boyd¹, E. Estime¹, S. Arn¹, D. Ayares², M. Lorber³, M. Sykes¹, D. Sachs¹, K. Yamada¹
¹CCTI/Surgery, Columbia University Medical Center, New York, NY, ²Revivicor Inc., Blacksburg, VA, ³Lung BioTechnology PBC, Silver Spring, MD
*Purpose: We have achieved >6 months survival of a life-supporting kidney with a vascularized thymus (VT) in a pig-to-baboon model. While improved survival has been…
2019 American Transplant Congress
Transplanting Thoracic Organs From Hcv Donors To Uninfected Patients: Evaluation Of Lung Allografts
Y. Lo¹, R. F. Padera¹, H. R. Mallidi², H. J. Goldberg³, S. K. Singh², A. Coppolino, III⁴, L. R. Baden⁵, A. E. Woolley⁵
¹Pathology, Brigham and Womens Hospital, Boston, MA, ²Cardiac and Thoracic Surgery, Brigham and Womens Hospital, Boston, MA, ³Pulmonary, Brigham and Womens Hospital, Boston, MA, ⁴Thoracic Surgery, Brigham and Womens Hospital, Boston, MA, ⁵Infectious Diseases, Brigham and Womens Hospital, Boston, MA
*Purpose: Prior to the development of direct acting antiviral (DAA) therapy for hepatitis C virus (HCV), there was concern that patients who received lungs from…
2019 American Transplant Congress
The Role of the T Regulatory Cell Compartment in Intestinal Transplant Patients: Helpful or Unhinged?
L. Belyayev¹, M. Sadat², K. Loh³, S. Moturi², K. Khan², J. Hawksworth², C. Matsumoto², T. M. Fishbein², A. Kroemer²
¹Surgery, Walter Reed National Military Medical Center, Bethesda, MD, ²Transplant, MedStar Georgetown Transplant Institute, Washington D.C., DC, ³Pediatrics, Children’s National Medical Center, Washington D.C., DC
*Purpose: The T regulatory (Treg) cell compartment has now been established as a key player in dampening T helper 17 (Th17) mediated inflammation, managing self-tolerance,…
2019 American Transplant Congress
Quantitative Proteome Profiling in T Cell-Mediated Rejection
L. Song¹, G. Zeng², P. Liu³, F. Fang⁴, H. Liu⁴, X. Xie¹, P. Randhawa², K. Xiao⁴
¹Department of Urological Organ Transplantation, The Second Xiangya Hospital, Central-South University, Changsha, China, ²Department of Pathology, University of Pittsburgh Medical Center, Pittsburgh, PA, ³Department of Biostatistics, Graduate School of Public Health, and Departments of Pharmacology and P, University of Pittsburgh Medical Center, Pittsburgh, PA, ⁴Department of Pharmacology and Chemical Biology, School of Medicine, University of Pittsburgh, Pittsburgh, PA
*Purpose: The proteomic analyses through formalin-fixation and paraffin embedding (FFPE) specimens reflects systemic and inherent renal injury perturbations for different kidney transplant injury states. In…
2019 American Transplant Congress
Functional Characterization of Orthotopic Hind-Limb Transplants in Rats
F. Zheng, X. Zhang, L. Qiu, J. Wang, X. Yeap, K. M. Koss, J. Wertheim, Z. J. Zhang
Comprehensive Transplant Center and Department of Surgery, Northwestern University, Chicago, IL
*Purpose: Vascularized composite allotransplantation (VCA) is a valid therapeutic option for patients with non-salvageable injuries such as severe burns or limb amputation. The immune response…
2019 American Transplant Congress
RNA Sequencing Identifies a Differential Role of Coding and Non-Coding Genes by Types of Rejection
S. Pineda¹, O. Bestard², T. K. Sigdel¹, M. Sirota³, M. Sarwal¹
¹Department of Surgery, UCSF, San Francisco, CA, ²Department of Surgery, Bellvitge University Hospital, Barcelona, Spain, ³BCHSI, UCSF, San Francisco, CA
*Purpose: The differentiation of histological phenotypes of T cell mediated cellular rejection (TCMR) and humoral or antibody mediated rejection (AMR) of kidney allografts, bears relevance…
2019 American Transplant Congress
Early Conversion to Belatacept in High Risk Renal Transplant Recipients
A. Santeusanio, A. Bhansali, R. Shapiro, V. Delaney, S. Florman, G. De Boccardo
Mount Sinai Hospital, New York, NY
*Purpose: This study describes our experience with early conversion to belatacept therapy in a diverse patient population including patients with donor specific antibodies (DSA). The…