Abstract
Objective To observe the influence of bezafibrate on the apoptosis and expression of lectin-like oxidized low density lipoprotein receptor-1(LOX-1) mediated by oxidized low density lipoprotein(ox-LDL) in cultured human umbilical vein endothelial cells(HUVECs).Methodes The apoptosis of HUVECs mediated by ox-LDL were evaluated by flow cytometry and the expression of LOX-1 mRNA were detected by RT-PCR.Results Compared with the control group,ox-LDL could increase apoptosis and the expression of LOX-1(P<0.05),and Bezafibrate could decrease the apoptosis and the expression of LOX-1 in a concentration -dependent manner(P<0.05).Preincubation of HUVECs with polyinosinic acid for 2 hours,the apoptosis and the expression of LOX-1 decreased(P<0.05).Conclusions Bezafibrate inhibits the apoptosis of HUVECs mediated by ox-LDL by reducing the expression of LOX-1,which may be part of the reasons for bezafibrate to prevent and treat atherosclerosis. Key words: Bezafibrate/PD; Receptors,LDL; Apoptosis
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