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中国临床药理学与治疗学 ›› 2000, Vol. 5 ›› Issue (2): 120-122.

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赤芍总甙对氯化钾及N-甲基-D-门冬氨酸诱导的PC12细胞钙超载损伤的保护作用

何丽娜, 杨军, 何素冰   

  1. 安徽省医学科学研究所、省生物医药重点实验室, 合肥 230061
  • 收稿日期:2000-03-20 修回日期:2000-04-10 出版日期:2000-06-26 发布日期:2020-12-01
  • 作者简介:何丽娜, 女, 43岁, 副研究员, 研究药物作用的分子生物学机制及医学病毒学等。

Effect of total paeony glycoside(TPG) andits mechanismon calcium overloading injury in cultured PC12 cells

HE Li-Na, YANG Jun, HE Su-Bing   

  1. Biological & Medicinal Central Laboratory of Anhui, Hefei 230061
  • Received:2000-03-20 Revised:2000-04-10 Online:2000-06-26 Published:2020-12-01

摘要: 目的 探讨赤芍总甙对PC12细胞钙超载损伤的保护作用及其机制。方法 采用组织培养法,以大鼠肾上腺嗜铬细胞瘤克隆株PC12细胞为材料,制备KCl及NMDA诱导的钙超载损伤模型。结果 形态学检查发现赤芍总甙对两种不同类型的钙超载损伤模型中PC12细胞均具有明显保护作用,MTT法活细胞测定提示赤芍总甙可显著提高损伤模型中PC12细胞存活数,减少胞内乳酸脱氢酶渗漏,并显著减少胞内钙离子浓度。结论 赤芍总甙对钙超载所致PC12细胞损伤有显著的保护作用。

关键词: 赤芍总甙, PC12细胞, 钙超载, 氯化钾, N-甲基-D-门冬氨酸

Abstract: Aim The protective Effect and mechanismof TPG on PC 12 cells in calcium overloading injury models werestudied.Methods Two injury models induced by KCl and NMDA wereused to assay the action of TPG in cultured PC 12 cells.Results The morphological examination revealed that TPG possessed obvious protective effects on PC12 cells in injury models.MT T and LDH measurementindicated that TPG increased the numberof live cells and reduced the extent of cell injury significantly.TPG alsolessened the concentration of calcium ion in cytoplasm.Conclusion T PG protected rat PC 12 cells against twocalcium overloading injuries Effectively in vitro.I ts actions may deal with anti oxidation, inhibition of NO production and blocking of bothty pes of calcium channel.

Key words: total paenony glycoside(TPG), PC 12 cell, calcium overload, KCl, NMDA

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