We report a 7-year-old girl who presented with membranous glomerulonephritis and steroid-resistant nephrotic syndrome in association with a benign ovarian tumour. Surgical excision of the tumor led to complete disappearance of the proteinuria within 2 weeks. Tumour-associated membranous nephropathy in children is rare, as a review of the literature shows.
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http://dx.doi.org/10.1007/BF00441515 | DOI Listing |
Inflammation
January 2025
Department of Nephrology, the First Affiliated Hospital of Bengbu Medical University, No. 287, Changhuai Road, Longzihu District, Bengbu, 233000, Anhui Province, China.
Primary membranous nephropathy (PMN) is a prevalent renal disorder characterized by immune-mediated damage to the glomerular basement membrane, with recent studies highlighting the significant role of pyroptosis in its progression. In this study, we investigate the molecular mechanisms underlying PMN, focusing on the role of Tumor necrosis factor receptor-associated factor 6 (TRAF6) in promoting disease advancement. Specifically, we examine how TRAF6 facilitates PMN progression by inducing the ubiquitination of Transforming growth factor-beta-activated kinase 1 (TAK1), which in turn activates the Gasdermin D (GSDMD)/Caspase-1 axis, leading to podocyte pyroptosis.
View Article and Find Full Text PDFInt J Hematol
January 2025
Department of Hematology, Kobe City Medical Center General Hospital, 2-1-1, Minatojima-Minamimachi, Chuo-ku, Kobe, 650-0047, Japan.
Transplantation-associated thrombotic microangiopathy (TMA) is a severe complication of allogeneic hematopoietic stem cell transplantation (allo-HSCT) with high mortality. As calcineurin inhibitors (CNIs) reportedly contribute to TMA via drug-induced endothelial injury, treatment of TMA often involves CNI discontinuation or dose reduction. However, renal-limited TMA, defined as biopsy-proven renal TMA without the classical triad (hemolytic anemia, thrombocytopenia, and organ damage), has rarely been reported after allo-HSCT, and its optimal management remains unknown.
View Article and Find Full Text PDFJ Bras Nefrol
January 2025
Universidade Federal de São Paulo (UNIFESP), Departamento de Medicina, Divisão de Nefrologia, São Paulo, SP, Brazil.
Introduction: Glomerular diseases can be associated with solid or hematopoietic malignancies. The prevalence of these associations varies according to the studied glomerular disease. This study aimed to evaluate the frequency and type of neoplasms in patients with glomerular diseases as well as their clinical, laboratory, and histopathological features and the relationship with immunosuppressive therapy.
View Article and Find Full Text PDFIndian J Nephrol
June 2024
Department of Radiology, Pondicherry Institute of Medical Sciences, Kalathumettupathai, Kalapet, Pondicherry, India.
An 80-year-old male with a history of prolonged asbestos exposure presented with 24-hour urine protein of 8 gm, and serum albumin of 1.7 gm/dl. Renal biopsy disclosed features of membranous nephropathy.
View Article and Find Full Text PDFIndian J Nephrol
July 2024
Department of Nephrology, Christian Medical College, Vellore, Tamil Nadu, India.
The simultaneous occurrence of vasculitic glomerulonephritis and membranous nephropathy is unusual. We report two cases that presented to our outpatient department with rapidly progressive renal failure. On evaluation, in one patient, anti-myeloperoxidase (MPO) titers were high, and renal biopsy was suggestive of concurrent necrotizing and diffuse crescentic anti-MPO anti-neutrophil cytoplasmic antigen-associated glomerulonephritis with the circumferential cellular crescent formation and membranous glomerulopathy.
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