Articles tagged "Biopsy"

2021 American Transplant Congress
Kidney Transplant Survival After Borderline Rejection in the Setting of Denovo Dsa Formation
A. P. Bregman¹, S. Jackson², S. Riad¹
¹Department of Nephrology, University of Minnesota, Minneapolis, MN, ²Biostatistics, M-Health Fairview Analytics, Minneapolis, MN
*Purpose: The significance of borderline cellular rejection has been questioned in the past. Data on borderline rejection with deNovo DSA (dnDSA) formation is limited. We…
2020 American Transplant Congress
microPOTS: A New Single Cell Proteomic Method for Profiling Human Kidney Transplant Biopsy Tissue
T. Sigdel¹, P. Piehowski², S. Roy¹, J. Liberto¹, A. Schroeder¹, P. Rashmi¹, S. Sur¹, I. Damm¹, W. Qian², M. M. Sarwal¹
¹University of California San Francisco, San Francisco, CA, ²Pacific Northwest National Laboratory, Richland, WA
*Purpose: The purpose of this study was to interrogate acute rejection (AR) in the renal allograft at single cell level. Despite advances in single cell…
2020 American Transplant Congress
The Noninvasive Urinary Sediment Double Immunostaining Test Predicts BK Polyomavirus Nephropathy in Kidney Transplant Recipients
G. Huang¹, X. Chen¹, S. Yang¹, X. Hou², H. Yang³, C. Wang¹
¹The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China, ²Guangzhou KingMed Center for Clinical Laboratory Co, Ltd, Guangzhou, China, ³Fuda Cancer Hospital, Jinan University, Fuda Cancer Hospital, Guangzhou, China
*Purpose: This study aimed to improve the diagnostic value of decoy cells for BK polyomavirus associated-nephropathy (BKPyVAN) in kidney transplant recipients.*Methods: A total of 105…
2020 American Transplant Congress
Multi- National Survey among Nephrologists & Transplant Surgeons about the Suitability and Acceptance of the Marginal Living Kidney Donors with Microscopic Hematuria
Z. Arabi¹, S. Kaysi², A. Hamad³, M. Bukhari⁴
¹KAMC, Riyadh, Saudi Arabia, ²CHU Clermont-Ferrand, Orleans, French Guiana, ³The Regional Medical Center, Orangeburg, SC, ⁴Taif University, Taif, Saudi Arabia
*Purpose: Potential kidney donors with isolated hematuria are often excluded from donating although there is a wide controversy about the definition and threshold of investigations…
2020 American Transplant Congress
Non-HLA Antibodies in Severe Post-Operative Thrombotic Microangiopathy among Kidney Transplant Recipients
R. Bonakdar, P. Serrano Rodriguez
University of North Carolina Hospitals, Chapel Hill, NC
*Purpose: From August 2018 until July 2019, an alarming 6% of kidney transplant recipients at this transplant center had biopsy-proven thrombotic microangiopathy (TMA) within 1…
2020 American Transplant Congress
Three-Month Results of a Phase 2 Trial Evaluating Clazakizumab in Late Antibody-Mediated Rejection – Early Impact of Interleukin-6 Blockade on Donor-Specific Antibody Levels, Rejection Morphology and Gene Expression
G. A. Böhmig¹, M. Dürr², B. Jilma³, F. Eskandary¹, E. Chong⁴, S. Schranz³, K. Doberer¹, M. Wahrmann¹, A. Borski¹, H. Regele⁵, J. Kläger⁵, R. Reindl-Schwaighofer¹, J. Reeve⁶, K. Budde², P. F. Halloran⁶
¹Department of Medicine III, Medical University of Vienna, Vienna, Austria, ²Nephrology Department, Charité Berlin, Berlin, Germany, ³Dept. of Clin. Pharmacology, Medical University of Vienna, Vienna, Austria, ⁴Vitaeris Inc., Vancouver, BC, Canada, ⁵Dept. of Clin. Pathology, Medical University of Vienna, Vienna, Austria, ⁶Alberta Transplant Applied Genomics Centre, ATAGC, University of Alberta, Edmonton, AB, Canada
*Purpose: Targeting Interleukin-6 (IL-6) is a promising strategy to counteract antibody-mediated rejection (ABMR). This phase 2 trial (NCT03444103) was designed to evaluate the safety and…
2020 American Transplant Congress
Pathological Characteristics of BK Polyomavirus Nephropathy with Glomerular Involvement
G. Huang¹, X. Chen¹, W. Chen², S. Yang², J. Qiu¹
¹Department of Organ Transplantation, 1st Affiliated Hospital, Zhongshan University, Guangzhou, China, ²Department of Pathology, 1st Affiliated Hospital, Zhongshan University, Guangzhou, China
*Purpose: This study aimed to investigate the pathological characteristics of BK polyomavirus-associated nephropathy with glomerular involvement in kidney transplant recipients.*Methods: Forty-four patients with glomerular BK…
2020 American Transplant Congress
Clinical Implication of Tertially Lymphoid Tissue in the Renal Graft
M. Saito¹, Y. Lee², Y. Sato², S. Narita¹, S. Satoh¹, M. Yanagita², T. Habuchi¹
¹Urology, Akita University Hospital, Akita, Japan, ²Nephrology, Kyoto University Graduate School of Medicine, Kyoto, Japan
*Purpose: Tertialy lymphoid organs (TLTs) are defined as inducible lymphoid tissues that arise in non-lymphoid organs, and chronic sustained inflammation is one of the most…
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
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…