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Fluvastatin attenuates the down-regulation of β1 integrin expression in PAN-treated podocytes by inhibiting ROS / 中华肾脏病杂志
Chinese Journal of Nephrology ; (12): 829-834, 2012.
Artigo em Chinês | WPRIM | ID: wpr-429291
ABSTRACT
Objective To investigate the effect of fluvastatin (FLV) on the expression of β1 integrin in puromycin aminonucleoside (PAN)-treated podocytes and its mechanism.Methods Cultured human podocytes were divided into PAN,different concentrations of fluvastatin (1 × 10-8 to 1 × 10-5 mol/L),SOD,H2O21 groups respectively.Expressions of β1 integrin and reactive oxygen species (ROS) in podocytes were detected by Western blotting and DCFHDA (2' 7'-Dichlorofluoresecein 3' 6'-diacetate) respectively.The viability of podocyte was determined by MTT colorimetry.Results PAN and H2O2 significantly decreased the expression of β1 integrin and increased the synthesis of ROS in podocytes (P<0.05respectively).Lower concentration fluvastatin or SOD treatment up-regulated β1 integrin and downregulated ROS of podocytes induced by PAN (P<0.05 respectively).MTT revealed that lower podocyte viability was found in higher concentration fluvastatin,PAN and H2O2 groups.Lower concentration fluvastatin and SOD could protect podocytes against PAN.Conclusion Fluvastatin attenuates the injury of podocyte induced by PAN and increases the expression of β1 integrin,whose mechanism may be associated with the inhibition of the ROS activity.

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Chinese Journal of Nephrology Ano de publicação: 2012 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Chinese Journal of Nephrology Ano de publicação: 2012 Tipo de documento: Artigo