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非诺贝特对高脂大鼠肝脏PPAR-α基因表达及血清LPL活性的影响 被引量:3

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摘要 将30只高脂模型大鼠随机分为高脂组、非诺贝特低剂量组(低剂量组)和非诺贝特高剂量组(高剂量组),后两组分别采用非诺贝特100 mg/kg,35 mg/kg灌胃1次/d,高脂组以生理盐水灌胃。4周后,测定各组血脂(TC、TG、LDL-C和HDL-C)及脂蛋白脂肪酶(LPL)活性;并采用RT-PCR法检测各组肝组织过氧化物酶体增殖物激活受体(PPAR-α)表达情况。结果:与正常值相比,高脂组血清TG、TC和LDL-C明显升高(P<0.01);HDL-C明显降低(P<0.01),非诺贝特高、低剂量组TG、TC和LDL-C均明显低于高脂组(P<0.05或P<0.01);而高剂量组HDL-C明显高于高脂组(P<0.05),TG低于低剂量组(P<0.05)。高、低剂量组的血清LPL活性和肝PPAR-α/β-actin灰度比值明显高于高脂组(P<0.01);高剂量组高于低剂量组(P<0.01)。认为非诺贝特可使血清LPL活性增加,并上调肝脏PPAR-α基因表达,且与剂量相关联,此可能为其降脂作用的机理。
作者 牛秀明 官波
出处 《山东医药》 CAS 北大核心 2008年第20期26-27,共2页 Shandong Medical Journal
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同被引文献37

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