ArticlePediatric nephrology (Berlin, Germany)2004
Increased expression of mast cells in reflux nephropathy.
Article in Pediatric nephrology (Berlin, Germany), 2004. 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, 10 citations in OpenAlex.
- The Pathogenesis of End-Stage Renal Disease from the Standpoint of the Theory of General Pathological Processes of Inflammation.International journal of molecular sciences · 2021Review
- Modern Imaging Technologies of Mast Cells for Biology and Medicine (Review).Sovremennye tekhnologii v meditsine · 2021Review
- Serum and urine fibronectin levels in children with vesicoureteral reflux.Pediatric nephrology (Berlin, Germany) · 2007Article
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Authors and funding
4 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
End-stage renal disease is characterized by interstitial infiltrate of inflammatory cells in association with tubular atrophy and interstitial fibrosis. Mast cells (MCs) secrete a large number of fibrogenic factors and have been implicated in chronic inflammatory processes with fibrous tissue deposition. The aim of this study was to investigate the distribution of MCs in kidneys with reflux nephropathy (RN) and to determine the relationship between MCs and the interstitial fibrotic process in RN. Kidney specimens from 12 patients (aged 2-13 years) with severe RN secondary to primary high-grade vesicoureteral reflux, obtained at the time of nephrectomy, and 5 controls were examined. Sections were investigated histochemically by acid toluidine blue (TB) and immunohistochemically with antibodies for anti MC-tryptase, MC-chymase, c- kit (CD117), and fibronectin. Double staining for fibronectin and MC-tryptase was performed and examined using confocal scanning microscopy. TB histochemistry showed a marked increase of MCs in RN specimens compared with controls. MC-tryptase, chymase, and c- kit immunopositive MC infiltration was significantly higher in RN samples (14.2+/-9.6) than controls (1.3+/-0.8), ( P<0.05). In all the sections there were more MC-tryptase-positive cells than MC-chymase-positive MCs. Double staining showed increased immunoreactivity of MCs and fibrosis in the renal interstitium of kidneys with RN. The number of infiltrating tryptase-positive MCs was correlated with the degree of interstitial renal scarring. This study demonstrates for the first time the increased expression of MCs in RN, suggesting that MCs may be involved in the development of scarring in RN.
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