Results Pretreatment with DEX could markedly reduce brain cells apoptosis while treatment with DEX immediately following hi had no effect in the study.

结果在HI前给予dex预处理能显著减少脑细胞的凋亡，而HI后给予DEX则对细胞凋亡无明显影响。

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AIM: to observe the influences of radix astragali (ra) against the apoptosis of nerve cells, so as to study the effect of ra in protecting brain during the period of acute cerebral ischemia.

目的：通过观察黄芪对抗神经细胞凋亡的影响，研究黄芪在脑缺血急性期的脑保护作用。

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AIM: to study the levels of proliferation and apoptosis of brain glioma cells and their relationship to the pathological grade of brain glioma.

目的：探讨脑胶质瘤细胞增殖和凋亡的水平以及与脑胶质瘤病理级别的关系。

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