Articles tagged "Rejection"

2020 American Transplant Congress
RNA Sequencing of Urine RNA Samples for Biomarker Discovery
K. S. Keslar¹, D. Margeta¹, M. Abecassis², J. J. Friedewald², P. S. Heeger³, R. L. Fairchild¹
¹Cleveland Clinic, Cleveland, OH, ²Northwestern University, Chicago, IL, ³Icahn School of Medicine, New York, NY
*Purpose: An accurate, noninvasive assay based on urinary gene expression profiles would be a powerful tool for clinical management of kidney transplant patients. We have…
2020 American Transplant Congress
Lims1 Gene and Risk of T-Cell Mediated Rejection in Kidney Transplant Recipients
Y. Caliskan¹, G. Karahan², S. Mirioglu³, Y. Ozluk⁴, R. Ouseph¹, H. Yazici³, H. Randall⁵, F. Savran Oguz⁶, A. Turkmen³, M. S. Sever³, K. Lentine¹
¹Division of Nephrology, Saint Louis University, Saint Louis, MO, ²Immunohematology, Leiden University Medical Center, Leiden, Netherlands, ³Division of Nephrology, Istanbul Faculty of Medicine, Istanbul, Turkey, ⁴Department of Pathology, Istanbul Faculty of Medicine, Istanbul, Turkey, ⁵Center for Abdominal Transplantation, Saint Louis University, Saint Louis, MO, ⁶Department of Medical Biology, Istanbul Faculty of Medicine, Istanbul, Turkey
*Purpose: Recent advances have provided new insights into the pathogenesis of kidney allograft rejection caused by additional antigens associated with genetic risk variant of LIM…
2020 American Transplant Congress
Role of Cell Free DNA (Allosure) Testing in Recipients of Kidneys with Sub Optimal Donor Quality
Y. A. Qazi, W. Mon, M. Smogorzewski
USC, Los Angeles, CA
*Purpose: The purpose of this study was to evaluate the role of cell-free DNA testing ( Allosure, CareDx, Brisbane , CA) during graft dysfunction in…
2020 American Transplant Congress
Tissue Resident Memory T Cells in Mouse Renal Transplantation
K. Abou-Daya¹, D. Zhao¹, R. Tieu¹, R. Rammal², M. Oberbarnscheidt¹, F. Lakkis¹
¹Starzl Transplantation Institute, Pittsburgh, PA, ²American University of Beirut, Beirut, Lebanon
*Purpose: The newly identified tissue resident subset of memory T cells (TRM) provides immune surveillance in the tissue and first response against infections. They are…
2020 American Transplant Congress
Molecular Profiles of Injury in Heart Transplant Allograft: Relationship to Rejection, Ejection Fraction, and Survival
P. Halloran¹, J. Reeve², &. the INTERHEART Study Group³
¹University of Alberta, Edmonton, AB, Canada, ²Alberta Transplant Applied Genomics Centre, Edmonton, AB, Canada, ³., ., AB, Canada
*Purpose: In previous studies we used microarray analysis of gene expression to identify rejection in heart transplant endomyocardial biopsies, and found that this also revealed…
2020 American Transplant Congress
Donor Derived Cell Free DNA (dd-cfDNA) and Gene Expression Signatures of Antibody-Mediated Rejection (ABMR) May Improve Accuracy of ABMR Diagnosis (Dx)
H. Zhang¹, C. C. Nast², E. Huang³, N. Ammerman³, A. A. Vo³, S. C. Jordan³, M. Toyoda¹
¹Transplant Immunology Laboratory, Cedars-Sinai Medical Center, Los Angeles, CA, ²Pathology and Laboratory Medicine, Cedars-Sinai Medical Center, Los Angeles, CA, ³Comprehensive Transplant Center, Cedars-Sinai Medical Center, Los Angeles, CA
*Purpose: Dd-cfDNA has a clinically meaningful association with early Dx of ABMR. Here, we evaluated dd-cfDNA measured prior to for-cause biopsies (Bx), and also measured…
2020 American Transplant Congress
Analysis of Rejection, Rejection Therapy and Renal Function in the BEST Trial
H. Kuzaro¹, A. R. Shields², A. Wiseman³, S. Tremblay¹, A. Christianson¹, D. Kaufman⁴, J. Leone⁵, A. Matas⁶, P. West-Thielke⁷, R. R. Alloway¹, E. S. Woodle¹
¹U Cincinnati, Cincinnati, OH, ²The Christ Hospital, Cincinnati, OH, ³U Colorado, Denver, CO, ⁴U Wisconsin, Madison, WI, ⁵Tampa General, Tampa, FL, ⁶U Minnesota, Minneapolis, MN, ⁷UIC, Chicago, IL
*Purpose: The BEST Trial (Belatacept-based Early Steroid Withdrawal) compared two belatacept (BELA)-based early corticosteroid withdrawal (ESW) regimens and alemtuzumab (ALEM) or rabbit antithymocyte globulin (rATG)…
2020 American Transplant Congress
Evaluation of the Safety and Tolerability of Clazakizumab® as a Desensitization Agent in Highly-HLA Sensitized ESRD Patients (NCT03380962): 12m Follow-Up
A. A. Vo¹, N. Ammerman¹, E. Huang¹, M. Toyoda², S. Ge², A. Peng¹, R. Najjar¹, S. Williamson¹, C. Meyers¹, S. Sethi¹, K. Lim¹, J. Choi¹, S. C. Jordan¹
¹Kidney Transplant, Cedars Sinai Medical Ctr, Los Angeles, CA, ²Transplant Immunology Laboratory, Cedars Sinai Medical Ctr, Los Angeles, CA
*Purpose: IL-6 mediates inflammation and activation of T-cells, B-cells & plasma cells. Thus, IL-6 may represent an important target for desensitization (DES). Here we report…
2020 American Transplant Congress
Glomerulitis in One-Hour Biopsy after ABO-Blood Type Incompatible Kidney Transplantation Sensitively Suggests Occurrence of Antibody-Mediated Rejection
D. Iwami, K. Hotta, N. Iwahara, N. Shinohara
Renal and Genitourinary Surgery, Hokkaido University, Graduate School of Medicine, Sapporo, Japan
*Purpose: Antibody-mediated rejection (ABMR) after ABO-blood type-incompatible kidney transplantation (ABOi-KTx) can affect transplant outcome even lead to allograft loss unless promptly diagnosed and adequately treated.…
2020 American Transplant Congress
Peripheral Blood T- and B-Cells as Predictors of Acute Rejection in Pancreas Transplant Recipients
P. Ventura Aguiar¹, J. Rovira², M. Ramirez-Bajo², E. Bañón-Maneus², N. Hierro², M. Garcia Criado³, M. Cuatrecasas⁴, J. Ferrer⁵, E. Esmatjes⁶, J. Campistol¹, F. Diekmann¹
¹Nephrology and Kidney Transplantation, Hospital Clinic Barcelona, Barcelona, Spain, ²Laboratori Experimental de Nefrologia i Trasplantament, Fundacio Clinic - IDIBAPS, Barcelona, Spain, ³Radiology Department, Hospital Clinic Barcelona, Barcelona, Spain, ⁴Pathology Department, Hospital Clinic Barcelona, Barcelona, Spain, ⁵HepatoBilioPancreatic Surgery Department, Hospital Clinic Barcelona, Barcelona, Spain, ⁶Endocrinology Department, Hospital Clinic Barcelona, Barcelona, Spain
*Purpose: Pancreas transplantation is associated with a high risk of acute rejection. The effect of peripheral blood mononuclear cells (PBMC) on acute rejection (AR) outcomes…