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Titolo:
Differential effects of FMLP-activated neutrophils from patients with IgA nephropathy enhanced endothelin 1 production of glomerular mesangial cells
Autore:
Chen, HC; Guh, JY; Chang, JM; Lai, YH;
Indirizzi:
Kaohsiung Med Univ, Div Nephrol, Dept Internal Med, Kaohsiung 80708, Taiwan Kaohsiung Med Univ Kaohsiung Taiwan 80708 l Med, Kaohsiung 80708, Taiwan
Titolo Testata:
NEPHRON
fascicolo: 3, volume: 89, anno: 2001,
pagine: 274 - 279
SICI:
0028-2766(200111)89:3<274:DEOFNF>2.0.ZU;2-Y
Fonte:
ISI
Lingua:
ENG
Soggetto:
REACTIVE OXYGEN METABOLITES; POLYMORPHONUCLEAR LEUKOCYTES; SUPEROXIDE PRODUCTION; IN-VITRO; CALCIUM; DISEASE; INJURY;
Keywords:
reactive oxygen species; FMLP; neutrophil; mesangial cell; endothelin 1;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Life Sciences
Citazioni:
21
Recensione:
Indirizzi per estratti:
Indirizzo: Lai, YH Kaohsiung Med Univ, Div Nephrol, Dept Internal Med, 100 Shih Chuan1st Rd,Kaohsiung 80708, Taiwan Kaohsiung Med Univ 100 Shih Chuan 1st Rd Kaohsiung Taiwan 80708 n
Citazione:
H.C. Chen et al., "Differential effects of FMLP-activated neutrophils from patients with IgA nephropathy enhanced endothelin 1 production of glomerular mesangial cells", NEPHRON, 89(3), 2001, pp. 274-279

Abstract

Background. Neutrophil infiltration in the glomeruli is common in patientswith IgA nephropathy (IgAN). The pathogenetic roles of the infiltrated neutrophils and their relationship with glomerular mesangial cells, however, are not clear. Methods: We examined the effects of coculture with N-formyl-methionyl-leucyl-phenylalanine (FMLP) activated neutrophils on the viability, endothelin 1 (ET-1) production, and ET-1 mRNA expression of rat glomerular mesangial cells. Neutrophils were isolated from 15 IgAN patients, from 13patients with non-IgA mesangial proliferative glomerulonephritis (MsPGN), and from 10 normal controls. Results: The ET-1 production by mesangial cells was significantly higher after stimulation with FMLP-activated neutrophils from IgAN patients than that of MsPGN patients and normal controls, and this effect was significantly abolished by pretreating mesangial cells with superoxide dismutase and partly abolished by catalase. The ET-1 mRNA expression of mesangial cells showed a parallel increase with ET-1 protein. The trypan blue exclusion test showed significant mesangial cell death after stimulation with FMLP-activated neutrophils as compared with quiescent neutrophils, and the cell death was also prevented by super- oxide dismutase but not catalase. The FMLP-activated neutrophils from IgAN patients produced more superoxide than those of MsPGN patients and normal controls. Conclusion: The FMLP-activated neutrophils from patients with IgAN have differential effects in enhancing the cell death and the ET-1 production of glomerular mesangial cells through the release of superoxide. Copyright (C) 2001 S. Karger AG, Basel.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 13/07/20 alle ore 07:29:24