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肉豆蔻-8散提取物对过氧化氢诱导心肌细胞损伤的影响

张媛彦, 肖云峰, 李文妍, 王玉华

张媛彦, 肖云峰, 李文妍, 王玉华. 肉豆蔻-8散提取物对过氧化氢诱导心肌细胞损伤的影响[J]. 中国药科大学学报, 2018, 49(2): 222-228. DOI: 10.11665/j.issn.1000-5048.20180213
引用本文: 张媛彦, 肖云峰, 李文妍, 王玉华. 肉豆蔻-8散提取物对过氧化氢诱导心肌细胞损伤的影响[J]. 中国药科大学学报, 2018, 49(2): 222-228. DOI: 10.11665/j.issn.1000-5048.20180213
ZHANG Yuanyan, XIAO Yunfeng, LI Wenyan, WANG Yuhua. Effects of Roudoukou-8 San against hydrogen peroxide-induced injury of cardiomyocyte[J]. Journal of China Pharmaceutical University, 2018, 49(2): 222-228. DOI: 10.11665/j.issn.1000-5048.20180213
Citation: ZHANG Yuanyan, XIAO Yunfeng, LI Wenyan, WANG Yuhua. Effects of Roudoukou-8 San against hydrogen peroxide-induced injury of cardiomyocyte[J]. Journal of China Pharmaceutical University, 2018, 49(2): 222-228. DOI: 10.11665/j.issn.1000-5048.20180213

肉豆蔻-8散提取物对过氧化氢诱导心肌细胞损伤的影响

基金项目: 国家自然科学基金资助项目(No.81360678);内蒙古青年科技英才资助项目(No.NJYT-17-B29);内蒙古自治区卫生和计划生育委员会医疗卫生科研计划资助项目(No.201702059)

Effects of Roudoukou-8 San against hydrogen peroxide-induced injury of cardiomyocyte

  • 摘要: 研究肉豆蔻-8散提取物对过氧化氢(H2O2)诱导乳鼠心肌细胞损伤的影响,并探讨其作用机制。分离并培养大鼠乳鼠心肌细胞,建立H2O2诱导心肌细胞损伤模型。倒置显微镜下观察肉豆蔻-8散提取物对心肌细胞形态学的影响;采用MTT法检测心肌细胞活力;使用全自动生化分析仪检测细胞培养液中乳酸脱氢酶(LDH)、磷酸肌酸激酶(CK)、天冬氨酸氨基转移酶(AST)的含量;采用试剂盒法检测细胞中丙二醛(MDA)、超氧化物歧化酶(SOD)、一氧化氮(NO)的含量;采用Hoechst荧光细胞核染色观察心肌细胞凋亡形态;使用流式细胞仪测定心肌细胞凋亡率。100 μmol/L H2O2作用2 h能明显造成约50%心肌细胞损伤。H2O2模型组出现细胞间隙增大、细胞数减少、细胞胞浆空泡等明显损伤现象。与H2O2模型组比较,肉豆蔻-8散提取物各剂量组,心肌细胞形态不同程度好转;能明显降低H2O2损伤心肌细胞培养液中LDH、CK、AST含量;显著降低H2O2损伤心肌细胞内MDA和NO含量,并提高SOD活力,能明显抑制H2O2损伤心肌细胞凋亡。通过改善细胞生存状态、提高细胞活力、降低氧化应激损伤、抑制炎症反应、抑制细胞凋亡,肉豆蔻-8散提取物可改善H2O2诱导心肌细胞损伤状态,从而对H2O2损伤的心肌细胞起到保护作用。
    Abstract: To study the effects of Roudoukou-8 San against hydrogen peroxide-induced cardiomyocyte in neonatal rats and to explore its mechanism. Cardiomyocytes were isolated and cultivated by neonatal rats and the injure models were established by H2O2. Methyl thiazolyl tetrazolium(MTT)assay was used to detect the protective effects of Roudoukou-8 San on H2O2-induced cardiomyocyte. The effects of Roudoukou-8 San on myocardium morphology were observed under inverted microscope. The contents of lactate dehydrogenase(LDH), creatine kinase(CK)and aspartate aminotransferase(AST)in cell culture medium were determined by Automatic biochemical instrument; The levels of malonydialdehyde(MDA), superoxide dismutase(SOD)and NO in the cells were detected by kit method. The apoptotic morphology of cardiomyocytes was observed by Hoechst fluorescence staining. Cell apoptosis were measured by Annexin V and PI double staining and flow cytomety. 100μmol/L H2O2 for 2 h could cause about 50% of myocardial injury. In the inverted optical microscope, H2O2 model group showed increased cell gap, decreased cell count, cell cytoplasmic vacuoles and other obvious damage. Roudoukou-8 San protected cell from H2O2-induced morphlogical improved in different degrees, reduced the release of LDH, CK and AST content, reduced the content of MDA, NO in myocardial cells significantly and increased the activity of SOD. Roudoukou-8 San energy significantly inhibited H2O2 damage myocardial cell apoptosis. Our study suggested that Roudoukou-8 San can protect cardiomyocyte from H2O2-induced injury by improving the cell viability, reducing oxidative stress injury, inhibiting inflammatory reaction and inhibiting cell apoptosis.
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出版历程
  • 刊出日期:  2018-04-24

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