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Apelin-13对葡萄糖剥夺诱导的乳鼠心肌细胞自体吞噬的影响 被引量:2

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摘要 目的观察外源性给予Apelin-13对葡萄糖剥夺(GD)诱导的乳鼠心肌细胞自体吞噬的影响。方法乳鼠心肌细胞培养,通过GD建立心肌细胞损伤模型,实验分5组:对照组、GD模型组、低剂量Apelin-13组(0.01μmol/L)、中剂量Apelin-13组(0.1μmol/L)和高剂量Apelin-13组(1μmol/L)。各Apelin-13预处理组在GD前培养基中加入不同剂量Apelin-13。电镜下观察自噬体和自噬小泡,计算自噬体占细胞质总面积的比值。结果 GD模型组心肌细胞中自噬体和自噬小泡的数量增多,同时自噬体占胞质总面积的比值增大。Apelin-13组中自噬体和自噬小泡较GD模型组减少,自噬体占胞质总面积比值也降低,且与Apelin-13浓度有关。结论 GD会引起心肌细胞的自体吞噬,而Apelin-13能够抑制GD诱导的心肌细胞自体吞噬,并且这一作用随着Apelin-13浓度的增加而加强。
作者 任晓倩 张志
出处 《广东医学》 CAS CSCD 北大核心 2011年第24期3176-3178,共3页 Guangdong Medical Journal
基金 辽宁省教育厅高等学校科研项目(编号:2009A453)
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参考文献5

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