Articles tagged "Rejection"

2019 American Transplant Congress
Subclinical Rejection is Common on Surveillance Biopsies in Children with Kidney Transplant
S. Gattis¹, R. Liverman¹, A. Serluco¹, J. Yin¹, J. Hogan², S. Jernigan², R. George², P. D. Winterberg², R. Garro²
¹Children's Healthcare of Atlanta, Atlanta, GA, ²Department of Pediatrics, Emory University School of Medicine, Atlanta, GA
*Purpose: Surveillance biopsies provide the opportunity to identify subclinical rejection and other pathologic changes, yet their utilization varies across pediatric kidney transplant centers. The purpose…
2019 American Transplant Congress
Impact of T-cell Mediated Allograft Rejection and Antibody Mediated Rejection within the First Year after Kidney Transplantation
I. Owoyemi, D. Jorgensen, S. Tandukar, R. Mehta, S. Hariharan
Thomas E. Starzl Institute of Transplantation and Division of Transplant Nephrology, UPMC, Pittsburgh, PA
*Purpose: This study evaluated the impact of Clinical and Sub-clinical T-Cell-Mediated Rejection (TCMR), Sub-Clinical Inflammation and Antibody Mediated Rejection (ABMR) within the 1st year post-kidney…
2019 American Transplant Congress
Reduced Intensity Induction Therapy in Patients Undergoing Repeat Kidney Transplants
K. Linhares, M. Cristelli, C. Felipe, L. Viana, H. Proença, R. E. de Marco, J. Pestana, H. Tedesco
Hospital do Rim, Nephrology Division, EPM - UNIFESP, São Paulo, Brazil
*Purpose: We hypothesized that patients without donor-specific antibodies (DSA) undergoing repeat transplants could receive lower doses of antithymocyte globulin induction (rATG), without compromising efficacy and…
2019 American Transplant Congress
Is HLA Donor-Specific Antibody (DSA)-C3d+ Assay a Potential Predictor of Subclinical Antibody Mediated Damage in the Renal Graft?
A. G. Contreras¹, M. I. Solis-G¹, C. Ramirez-Espinoza¹, J. Hernandez-Rosales², M. Vilatoba-Chapa¹, R. Cruz-Martínez¹, J. Granados¹, L. E. Morales-Buenrostro³, J. Alberú¹, J. M. Arreola-Guerra⁴
¹Transplantation, Instituto Nacional de Ciencias Medicas y Nutricion SZ, Mexico City, Mexico, ²Department of Histocompatibility, Laboratorio Clinico del Campestre, Mexico City, Mexico, ³Nephrology-Mineral Metabolism, Instituto Nacional de Ciencias Medicas y Nutricion SZ, Mexico City, Mexico, ⁴Internal Medicine, Centenario Hospital Miguel Hidalgo, Mexico City, Mexico
*Purpose: The Aim of the study was to explore the predictive value of the C3d assay for tissue damage in kidney transplant recipients (KTR) in…
2019 American Transplant Congress
Acquired Resistance to Transplantation Tolerance as a Result of Prior Pregnancy Requires B Cells
D. V. Tran, A. N. Suah, S. Khiew, J. S. Young, Q. Wang, D. Yin, M. Alegre, A. S. Chong
Departments of Surgery and Medicine, University of Chicago, Chicago, IL
*Purpose: Clinical data suggest allogeneic pregnancy is a sensitizing event; however, data from mouse models suggests it induces fetal-specific regulatory T cell (Treg) expansion and…
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…