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中药复方糖耐康对GK大鼠主动脉VEGF基因表达的影响 被引量:2

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摘要 目的通过对自发性2型糖尿病GK大鼠的干预治疗,观察并探讨中药复方糖耐康对糖尿病大血管病变的保护作用。方法将51只GK大鼠随机分为模型组、盐酸吡格列酮组与中药糖耐康低、中、高剂量组5组;另设10只Wister大鼠为正常组。灌胃8周后,观察大鼠空腹血糖、血脂以及胸主动脉血管内皮生长因子(VEGF)基因表达的变化。结果与模型组比较,盐酸吡格列酮组和糖耐康低、中、高剂量组空腹血糖、甘油三酯均显著降低(P<0.05),盐酸吡格列酮组和糖耐康高剂量组低密度脂蛋白均显著降低(P<0.05)。高倍镜下模型组GK大鼠动脉壁出现局限性内膜增厚,内弹力板呈波浪状或交织状排列,中膜浅层平滑肌增生、排列紊乱;糖耐康低、中剂量组动脉壁内膜轻度增厚,中膜浅层平滑肌轻度增生;盐酸吡格列酮组和糖耐康高剂量组动脉壁未见明显病理变化。各治疗组胸主动脉VEGF基因表达与模型组比较差异均有统计学意义(P<0.01)。结论中药复方糖耐康能下调GK大鼠胸主动脉VEGF基因表达,可能是糖耐康治疗糖尿病大血管病变的机制之一。
出处 《北京中医药》 2010年第1期67-69,共3页 Beijing Journal of Traditional Chinese Medicine
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参考文献6

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二级参考文献5

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