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CoCl2 PRETREATING INHIBITS THE APOPTOSIS OF HIPPOCAMPAL NEURONS INDUCED BY HYPOXIA-REOXYGENATION
Author(s): ZHAO Tong, YU Shun, XU Yanling, WU Liying, MA Zimin, DING Aishi, WANG Fuzhuang, FAN Ming
Pages: 462-
466
Year: 2003
Issue:
5
Journal: ACTA ANATOMICA SINICA
Keyword: 缺氧; 神经元; 氯化钴; 大鼠;
Abstract: 目的研究氯化钴(CoCl2)预处理对大鼠海马神经元缺氧-复氧后凋亡的影响及其机制. 方法用CoCl2处理原代培养大鼠海马神经元,并使其暴露于无氧环境.用TUNEL染色法和激光共聚焦显微镜分别检测缺氧后细胞凋亡率以及细胞线粒体膜电位和胞内游离钙. 结果 CoCl2预处理明显减少海马神经元在缺氧-复氧后的凋亡数,并对急性缺氧期间海马神经元的细胞内Ca2+浓度和线粒体膜电位具有稳定作用. 结论 CoCl2预处理对急性缺氧引起的海马神经元凋亡可能具有保护作用,其机制可能与其稳定缺氧时细胞内Ca2+浓度和线粒体膜电位有关.
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