Articles tagged "Rejection"

2022 American Transplant Congress
Discrepancy Rates Between Histology (HIST) and Molecular Diagnosis (MDX) of T-cell Mediated Rejection (TCMR) Depend on Choice of Bioinformatics Pipeline
M. Ellison, D. Spagnolo, P. Randhawa
University of Pittsburgh Medical Center, Pittsburgh, PA
*Purpose: HIST based treatment of TCMR has played a key role in the reduction of its incidence to historic lows of ~10%. MDX methods developed…
2022 American Transplant Congress
De Novo Donor-Specific Antibody Development with Mycophenolate versus Azathioprine in Lung Transplant Recipients
A. Prom¹, K. Walter², K. Gomez³, C. Doligalski¹, L. Lobo¹, R. Evans¹
¹UNC Health, Chapel Hill, NC, ²University of Michigan, Ann Arbor, MI, ³University of North Carolina Eshelman School of Pharmacy, Chapel Hill, NC
*Purpose: The effect of mycophenolate mofetil (MMF) or azathioprine (AZA) immunosuppression (ISN) regimens on de novo donor specific antibody (DSA) formation in lung transplant recipients…
2022 American Transplant Congress
Gene Expression Profiles of Peritubular Capillarits in Chronic Antibody-Mediated Rejection
M. Eder¹, M. Röbl¹, H. Omic¹, B. Adam², D. Cejka³, N. Kozakowski⁴, D. D´Andrea⁵, M. Mengel², Ž. Kikić⁵
¹Internal Medicine III, Nephrology and Dialysis, Medical University of Vienna, Vienna, Austria, ²Department of Laboratory Medicine and Pathology, University of Alberta, Edmonton, AB, Canada, ³Department of Medicine III, Nephrology, Hypertension, Transplantation and Rheumatology, Ordensklinikum Linz – Elisabethinen, Linz, Austria, ⁴Department of Pathology, Medical University of Vienna, Vienna, Austria, ⁵Department of Urology, Medical University of Vienna, Vienna, Austria
*Purpose: Antibody-mediated rejection (ABMR) is one of the most significant contributors to late graft loss. Hallmark characteristics include peritubular capillaritis (ptc) and glomerulitis (g). Diffuse…
2022 American Transplant Congress
Biopsy and Blood Gene Expression Profiles Distinguish Injury, Subclinical and Clinical Rejection in Kidney Transplant Recipients
S. Kurian¹, M. Kandpal², C. Rebello², C. Marsh¹, J. Friedewald²
¹Scripps Health, La Jolla, CA, ²Northwestern University, Chicago, IL
*Purpose: We analyzed serial gene expression profiles in paired blood and biopsies from kidney transplant recipients phenotyped with a comprehensive clinical algorithm. We compared disease…
2022 American Transplant Congress
Conversion to Belatacept for Calcineurin Inhibitor Toxicities
S. S. Patel, P. Jadav, M. Sekulic, S. Kudose, I. Batal, S. Mohan, R. Crew
Columbia University Medical Center, New York, NY
*Purpose: Calcineurin inhibitors (CNIs) have improved renal transplant (RTx) outcomes but are associated with significant toxicities. Belatacept provides better long-term outcomes than cyclosporine, has less…
2022 American Transplant Congress
Urinary Cell CTOT-04 Signature is Diagnostic of Glomerulitis in Kidney Allograft Biopsies
T. Salinas¹, C. Li¹, C. Snopkowski¹, K. Chen¹, S. Albakry¹, S. Salvatore², S. Seshan², J. R. Lee¹, M. Thangamani¹, D. Dadhania¹, M. Suthanthiran¹
¹Nephrology, Weill Cornell-NYPH, New York, NY, ²Pathology, Weill Cornell-NYPH, New York, NY
*Purpose: Antibody mediated rejection is a significant complication after kidney transplantation and is an important cause of allograft failure. In the multicenter CTOT-04 study, we…
2022 American Transplant Congress
3D Co-Culture System with Porcine Aortic Endothelial Cell Line and Human or Non-Human Primate Cells for Application in the Study of Xeno-Immune Reaction
S. K. Yadav¹, Y. Lee², S. Hurh³, S. Kim², J. Yang⁴, J. C. Jeong²
¹Medicine, Seoul National University, Seoul, Korea, Republic of, ²Internal Medicine (Nephrology), Seoul National University Bundang Hospital, Seongnam, Korea, Republic of, ³Medicine, Korea University, Seoul, Korea, Republic of, ⁴Internal Medicine (Nephrology), Yonsei University, Seoul, Korea, Republic of
*Purpose: Neutrophil Extracellular Trap (NET) is a vigorous immune reaction of neutrophil. It plays role in xenotransplantation rejection. Functional assay of NET is important; however,…
2022 American Transplant Congress
Impact of the Covid-19 Pandemic on Longitudinal Molecular Surveillance in the KOAR Registry
T. Alhamad¹, A. Malone¹, D. Mandelbrot², P. M. Anand³, H. M. Wadei⁴, G. Shekhtman⁵, N. Agrawal⁵, K. Pinney⁵, K. Qu⁵, A. Desai⁶
¹Washington University, St. Louis, MO, ²University of Wisconsin, Madison, WI, ³Medical University of South Carolina, Charleston, SC, ⁴Mayo Clinic Jacksonville, Jacksonville, FL, ⁵CareDx, Brisbane, CA, ⁶Loyola University Medical Center, Maywood, IL
*Purpose: The SARS-CoV2 pandemic increased the complexity of delivering routine clinical care and laboratory services for immunosuppressed kidney transplant (KTx) recipients. We evaluated how the…
2022 American Transplant Congress
The Effect of Tacrolimus and Mycophenolic Acid on Torque Teno Virus Loads in Kidney Transplant Recipients
A. van Rijn, S. Meziyerh, D. van der Helm, T. van Gelder, A. Kroes, J. de Fijter, D. Moes, J. Rotmans, A. de Vries, M. Feltkamp
Leiden University Medical Center, Leiden, Netherlands
*Purpose: Measuring immune function in kidney transplant recipients (KTRs) remains challenging given the precarious balance between over- and underimmunosuppression. This is primarily due to high…
2022 American Transplant Congress
De Novo Focal Segmental Glomerulosclerosis in the Kidney Allograft: Association with Alloimmunity Leading to Poor Outcome
J. Leon¹, J. Duong Van Huyen², A. Abderrahmane¹, D. Anglicheau¹, C. Legendre¹, M. Rabant²
¹KIDNEY TRANSPLANTATION, Necker Hospital, Paris, France, ²KIDNEY PATHOLOGY, Necker Hospital, Paris, France
*Purpose: Focal Segmental Glomerulosclerosis (FSGS) can be found de novo (Dn) or as a recurrence in kidney allograft. While FSGS recurrence has been extensively described…