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胰高糖素肽-1对软脂酸培养中胰岛细胞的影响

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摘要 目的:探讨胰高糖素样肽-1(GLP-1)对软脂酸培养下胰岛细胞的影响。方法 :体外培养胰岛细胞INS-1,将其分为空白对照组、软脂酸组(0.25mmol/L)及GLP-1作用组(浓度分别为10nmol/L,20nmmol/L,30nmol/L),培养24h后,取上清测定胰岛素水平及谷胱甘肽过氧化物酶(GSH-Px)、丙二醛(MDA)含量。结果:软脂酸可使胰岛素分泌量减少,GSH-Px浓度下降,MDA含量增加,GLP-1可以明显抑制软脂酸引起的上述变化,抑制作用随GLP-1浓度的增加而增强。结论:胰高糖素样-1(GLP-1)对软脂酸导致的胰岛细胞损伤有一定的保护作用,并且呈浓度依赖性。
出处 《陕西医学杂志》 CAS 2016年第7期779-780,共2页 Shaanxi Medical Journal
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