新型PPARδ受體激動劑體外活性篩選及對高血脂金黃地鼠的調(diào)脂作用
[Abstract]:The activities of PPAR 偽, PPAR 緯 and PPAR 未 receptors activated by HS060098, a novel peroxisome proliferator activated receptor (peroxisome proliferator-activated receptors,PPARs) agonist, were screened, and the effects of HS060098 on lipid regulation of dietary hyperlipidemia hamsters were studied. Firstly, PPARs- luciferase gene reporting system was constructed from HepG2 cells of liver cancer and transfected with green fluorescent protein (green fluorescent protein,GFP) plasmids as internal reference. After different concentrations of HS060098 were added, the cells were cultured for 24 h. The activation activity of HS060098 to PPAR 偽, PPAR 緯, PPAR 未 was evaluated by detecting the relative activity of luciferase. Secondly, the hyperlipidemia model of golden hamster was induced by high-fat diet. The effects of HS060098 on the serum total cholesterol (TC),) triglyceride (TG),) in hyperlipidemic hamsters were investigated by prophylactic and therapeutic administration, respectively. Effects of low density lipoprotein cholesterol (LDL-C), high density lipoprotein cholesterol (HDL-C) levels and fat index. The results of in vitro study showed that HS060098 could activate PPAR 未 receptor significantly, half effective concentration (EC50) was 0. 01 渭 mol L ~ (-1), but there was no obvious activation effect on PPAR 偽 and PPAR 緯. The results of in vivo study showed that HS060098 (5n10 and 20mg kg~ (-1) could significantly reduce the TC,TG, in the plasma of hamsters with hyperlipidemia compared with the model group by prophylactic and therapeutic administration. The level of LDL-C and fat index (P0.01P 0.05) and the level of HDL-C increased (P0.01P 0.05). The results suggest that HS060098 has strong activation activity of PPAR 未 and has significant preventive and therapeutic effects on experimental hyperlipidemia in golden hamsters.
【作者單位】: 溫州醫(yī)科大學(xué)附屬第二臨床醫(yī)學(xué)院;浙江海正藥業(yè)股份有限公司;浙江省臺州市中心醫(yī)院;
【分類號】:R965
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