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Effects of angiotensin Ⅱand losartan on expression of SUMO in rat glomerular mesangial cells / 重庆医学
Chongqing Medicine ; (36): 273-275, 2014.
Artículo en Chino | WPRIM | ID: wpr-439917
ABSTRACT
Objective To investigate the effects of angiotensin Ⅱ (Ang Ⅱ ) and losartan on the expression of small ubiquitin-related modifier(SUMO) protein (SUMO1 ,SUMO2/3) in cultured rat glomerular mesangial cells(GMCs) .Methods In vitro cul-tured HBZY-1 rat GMCs were divided into 5 groupsnormal control group(NC group) ,different concentrations of Ang Ⅱinterven-tion groups(A1 ,A2 ,A3 groups) and losartan treatment group(MT group) .The expression of SUMO1 and SUMO2/3 protein and mRNA of each group was measured by Western blot and RT-PCR .Results Compared with the NC group ,the expression of SU-MO1 and SUMO2/3 protein and mRNA in the Ang Ⅱintervention groups and the losartan treatment group was increased signifi-cantly (P<0 .01);Compared with the Ang Ⅱintervention groups ,the expression of SUMO1 and SUMO2/3 protein and mRNA in the losartan treatment group had no statistically significant difference .Conclusion Ang Ⅱ up-regulates the expression of SUMO protein in rGMCs by a dose-dependent manner in certain range ,this effect is not blocked by losartan ,Ang Ⅱ may be involved in the pathogenesis of diabetic nephropathy .

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Idioma: Chino Revista: Chongqing Medicine Año: 2014 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Idioma: Chino Revista: Chongqing Medicine Año: 2014 Tipo del documento: Artículo