羟乙基葛根素对脑星形胶质细胞氧化性损伤的保护作用

被引:11
作者
张斌
魏欣冰
刘慧青
王立祥
孙茹
张岫美
机构
[1] 山东大学医学院药理学研究所
关键词
星形胶质细胞; 氧化应激; 细胞凋亡; 羟乙基葛根素;
D O I
10.16438/j.0513-4870.2006.02.015
中图分类号
R285 [中药药理学];
学科分类号
1008 ;
摘要
目的研究羟乙基葛根素对大鼠脑星形胶质细胞氧化性损伤的保护作用。方法取第4代培养的星形胶质细胞,以比色法测定细胞培养液中乳酸脱氢酶(LDH)活性,流式细胞术测定细胞凋亡率,[3H]-谷氨酸摄取法测定细胞摄取功能,比色法测定细胞内超氧化物歧化酶(SOD)活性及丙二醛(MDA)含量。结果羟乙基葛根素可明显降低过氧化氢(H2O2)损伤所致的星形胶质细胞LDH的释放、降低细胞凋亡率、增加谷氨酸摄取率、使细胞内MDA含量减少而SOD活性增加。结论羟乙基葛根素可改善星形胶质细胞的神经营养功能、抑制星形胶质细胞凋亡,其机制可能与其抗氧化作用有关。
引用
收藏
页码:171 / 174
页数:4
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