Borderline T cell-mediated rejection is a diagnostic category of the Banff schema that uses a lower diagnostic threshold. Subclinical borderline T cell-mediated rejection detected by surveillance sampling is not entirely benign. Studies demonstrate increased rates of late rejection, progressive nephron loss, functional impairment, donor-specific antibody formation, and allograft failure. It can be conceptualized as a failure to control the cellular alloimmune response. Mixed results are reported for its treatment, and randomized controlled trials are needed.
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http://dx.doi.org/10.1016/j.kint.2020.04.052 | DOI Listing |
BMC Nephrol
November 2024
Department of Medicine, Johns Hopkins Hospital, The Johns Hopkins University School of Medicine, 600 Wolfe St. Carnegie 344B, Baltimore, MD, 21287, USA.
Background: The outcome of kidney transplant recipients with a history of complement-mediated thrombotic microangiopathy (cTMA) and those who develop post-transplant de novo TMA (dnTMA) is largely unknown.
Methods: We retrospectively studied all kidney transplant recipients with end-stage kidney disease secondary to cTMA and those who developed dnTMA, between Jan 2000 and Dec 2020 in our center.
Results: We identified 134 patients, 22 with cTMA and 112 had dnTMA.
Life (Basel)
November 2024
Immunology Service, University Clinical Hospital Virgen de la Arrixaca, Biomedical Research Institute of Murcia (IMIB), 30120 Murcia, Spain.
(1) Background: donor-derived circulating free DNA (dd-cfDNA), an innovative biomarker with great potential for the early identification and prevention of graft damage. (2) Methods: Samples were collected prospectively and the study was performed retrospectively to analyze dd-cfDNA plasma levels in 30 kidney transplant patients during their post-transplant follow-up (15 days, 3, 6, and 9 months), to determine if the result could be of interest in the identification of possible adverse events, especially rejection. The aim was to verify whether the data on sensitivity, specificity, NPV, and PPV compare with reference values and creatinine values.
View Article and Find Full Text PDFTransplantation
November 2024
Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa.
Background: The spectrum of histological findings in transplanted kidneys from HIV-positive donors to HIV-positive recipients is relatively unexplored. This study describes the type and timing of histological diagnoses observed in this unique cohort.
Methods: Adequate biopsies were analyzed at implantation and posttransplant between September 2008 and May 2022.
Front Immunol
November 2024
Department of Internal Medicine, College of Medicine, Yonsei University, Seoul, Republic of Korea.
Transplantation
October 2024
Université Paris Cité, INSERM U970, Paris Institute for Transplantation and Organ Regeneration, Paris, France.
Background: In kidney transplantation, molecular diagnostics may be a valuable approach to improve the precision of the diagnosis. Using next-generation sequencing (NGS), we aimed to identify clinically relevant archetypes.
Methods: We conducted an Illumina bulk RNA sequencing on 770 kidney biopsies (540 kidney recipients) collected between 2006 and 2021 from 11 European centers.
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