A clinical-morphological study in 134 recipients of first renal allografts (15 related and 119 non-related) was performed with the aim to establish prognosis of different types of rejection nephropathy. Following order of prognosis (from the worst to the best) was found: necrotic lesion, early vascular lesion, late vascular lesion, late interstitial lesion. Several factors of importance were discussed.
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Adv Sci (Weinh)
January 2025
Kidney Disease Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China.
METTL3, a key enzyme in N6-methyladenosine (m6A) modification, plays a crucial role in the progression of renal fibrosis, particularly in chronic active renal allograft rejection (CAR). This study explored the mechanisms by which METTL3 promotes renal allograft fibrosis, focusing on its role in the macrophage-to-myofibroblast transition (MMT). Using a comprehensive experimental approach, including TGF-β1-induced MMT cell models, METTL3 conditional knockout (METTL3 KO) mice, and renal biopsy samples from patients with CAR, the study investigates the involvement of METTL3/Smad3 axis in driving MMT and renal fibrosis during the episodes of CAR.
View Article and Find Full Text PDFClin Transplant
February 2025
Department of Transplant Nephrology, Transplant Surgery Institute, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA.
Calcineurin inhibitors have been the choice for maintenance immunosuppression (IS) in kidney transplant recipients (KTR), but they are associated with nephrotoxicity and metabolic side effects. We aim to compare the long-term outcomes of KTR on belatacept (bela) versus tacrolimus (tac) IS, in all KTRs and various subgroups. Using the UNOS-STAR files, we identified adult first-KTR from 2010 to 2022.
View Article and Find Full Text PDFTranspl Int
January 2025
Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium.
Highly sensitized (HS) patients in need of kidney transplantation (KTx) typically spend a longer time waiting for compatible kidneys, are unlikely to receive an organ offer, and are at increased risk of antibody-mediated rejection (AMR). Desensitization using imlifidase, which is more rapid and removes total body immunoglobulin G (IgG) to a greater extent than other methods, enables transplantation to occur between HLA-incompatible (HLAi) donor-recipient pairs and allows patients to have greater access to KTx. However, when the project was launched there was limited data and clinical experience with desensitization in general and with imlifidase specifically.
View Article and Find Full Text PDFAlthough granulomatous interstitial nephritis (GIN) is a rare histological finding in kidney transplants, the joint occurrence of GIN and focal segmental glomerulosclerosis (FSGS) has not, to our knowledge, been reported in the literature. We report a case of GIN and de novo FSGS in kidney transplant recipients leading to allograft failure. A 69-year-old male with a history of end-stage renal disease (ESRD) of unknown etiology, as well as liver failure from hepatitis B and C co-infection, initially had a living unrelated kidney transplant (LURT) in 2007 and subsequently received both liver and kidney transplants (SLKTs) in 2017.
View Article and Find Full Text PDFPediatr Nephrol
January 2025
CERTAIN Research Network, Heidelberg, Germany.
Background: We investigated factors associated with post-transplant growth in pediatric kidney transplant (KTx) recipients with a focus on plasma bicarbonate (HCO3) and estimated the effect of alkali treatment on growth.
Methods: In this study of the CERTAIN Registry, data were collected up to 5 years post-transplant. Generalized Additive Mixed Models were applied to assess the association between post-transplant growth and covariates.
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