ArticleKidney research and clinical practice2025
NLRP3 inflammasome activation and macrophage distribution in kidney tissues from patients with acute oxalate nephropathy.
Article in Kidney research and clinical practice, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Obesity, Metabolic Syndrome, Diabetes and Kidney Stones: Strengthening Links Over Time?TouchREVIEWS in endocrinology · 2026Review
- Kidney Injury Induced by High-Dose Chaga Mushroom Consumption: Experimental Evidence in a Rat Model.Journal of Korean medical science · 2026Article
- Regulated Cell Death in Calcium Oxalate Stone Disease: From Tubular Epithelial Injury to Inflammatory Amplification.Journal of inflammation research · 2026Review
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5 authors.
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Abstract
backgroundThe current study was initiated to evaluate renal nucleotide-binding and oligomerization domain-like receptor family pyrin domain-containing 3 (NLRP3) inflammasome pathway activation and macrophage subtype distribution and their clinicopathological significance in a cohort of oxalate-induced acute kidney injury.
methodsTwelve patients with biopsy-proven acute oxalate nephropathy (AON) from January 2016 to October 2022 were retrospectively enrolled, with estimated glomerular filtration rate (eGFR)-matched 24 patients with acute tubulointerstitial nephritis (ATIN) as disease control. Pathological lesions as well as markers of NLRP3 inflammasome pathway and macrophage phenotype detected by immunohistochemistry staining were semi-quantitatively analyzed.
resultsOxalate depositions were found in 5% to 20% of tubules with a positive correlation with Sirius Red staining in AON specimens (rp = 0.668, p = 0.02). Disruption of tubular basement membrane and inflammatory cell reaction was more prominent in specimens of AON (both p < 0.05) as compared with ATIN specimens. The expressions of NLRP3, caspase-1, and gasdermin D were significantly increased in AON specimens as well (all p < 0.05). Patients with M1/M2 macrophage ratio <1 were found with more chronic tubulointerstitial lesions and presented with lower eGFR at the last follow-up (24.8 ± 10.6 mL/min/1.73 m2 vs. 55.1 ± 21.2 mL/ min/1.73 m2, p = 0.02) in the AON group.
conclusionThe NLRP3 inflammasome pathway was activated in the kidneys of AON patients, and the ratio of M1 and M2 macrophages was associated with chronicity of pathological changes, which needs further exploration.
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