软脂酸对胰岛细胞凋亡作用的观察

JOURNAL OF NANHUA UNIVERSITY (MEDICAL EDITION)(2005)

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Abstract
目的通过观察软脂酸对体外培养的原代胰岛细胞的凋亡作用,探讨游离脂肪酸在糖尿病发病中的作用.方法体外培养Wistar大鼠胰岛细胞,用不同浓度软脂酸(分别为0,0.125,0.25,0.5 mmol/L)共同孵育48 h,用Tunel法计算胰岛细胞凋亡率.AO/EB染色观察细胞形态变化.结果 0.125,0.25,0.5 mmol/L的软脂酸均有抑制高糖刺激下胰岛细胞的胰岛素分泌,促进胰岛细胞凋亡的作用.结论软脂酸可抑制胰岛细胞的分泌功能,促进胰岛细胞凋亡,其凋亡程度与软脂酸的浓度有关.
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Metabolic Regulation
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