神经药理学报 ›› 2011, Vol. 1 ›› Issue (4): 12-15.

• 研究论文 • 上一篇    下一篇

连翘苷对MPP+诱导人神经母细胞株SH-SY5Y细胞损伤的保护作用

张美蓉1,2,魏守蓉1,吴燕川2,孙芳玲2,艾厚喜2,张丽2,王文2   

  1. 1. 华中科技大学同济医学院附属梨园医院,武汉,430077,中国 2. 首都医科大学宣武医院,北京,100053,中国
  • 出版日期:2011-08-26 发布日期:2012-11-24
  • 通讯作者: 魏守蓉,女,神经内科副主任医师,硕士生导师;研究方向:老年神经精神疾病的防治
  • 作者简介:张美蓉,女,硕士研究生;研究方向:老年神经精神疾病的防治,中药药理;E-mail:zhmr0916@163.com 王文,男,博士,研究员;研究方向:神经药理,中药药理
  • 基金资助:

    科技部国家“十二五”重大新药创制专项(No.2012ZX09102201-106),国家自然科学基金项目(No.81173575、30740053),北京市自然科学基金项目(No.7062031),北京市教委科研基地-科技创新平台(No.111219),北京市卫生系统高层次卫生技术人才(No.2011-3-097)

Effects of Phillyrin on MPP+-induced Injury in SH-SY5Y Neuroblastoma Cells

ZHANG Mei-rong1,2,WEI Shou-rong1,WU Yan-chuan2,SUN Fang-ling2,AI Hou-xi2,ZHANG Li2,WANG Wen2   

  1. 1. Liyuan Hospital,Tongji Medical College,Huazhong University of Science and Technology,Wuhan,430077,China
    2. Xuanwu Hospital of Capital Medical University,Beijing,100053,China
  • Online:2011-08-26 Published:2012-11-24

摘要: 目的:研究连翘苷对1-甲基-4-苯基吡啶离子(1-methyl-4-phenylpyridinium,MPP+)诱导人神经母细胞株SH-SY5Y细胞损伤的神经保护作用。方法:培养的SH-SY5Y细胞加入不同浓度的连翘苷,以MTT代谢率为指标确定连翘苷的无毒范围;对培养的SH-SY5Y细胞加入连翘苷100,10,1 μmol·L-1预孵育24 h,加入1 mmol·L-1 MPP+ 作用48 h诱导损伤,观察MTT代谢率、乳酸脱氢酶(Lactate dehydrogenase,LDH)漏出率的改变。结果:连翘苷在1~100 μmol·L-1浓度范围内不影响SH-SY5Y细胞存活率;与正常对照组细胞相比,MPP+损伤模型组MTT代谢率明显降低(P<0.001),LDH漏出率显著增加(P<0.001);与模型组相比,连翘苷各组细胞活性显著升高(P<0.05),LDH漏出率明显降低(P<0.01)。结论:连翘苷对MPP+诱导的SH-SY5Y细胞损伤具有神经保护作用。

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关键词: 连翘苷, 1-甲基-4-苯基吡啶离子, SH-SY5Y细胞, 神经保护

Abstract: Objective:To investigate the effects of Phillyrin on 1-methyl-4-phenylpyridinium (MPP+) -induced injury in SH-SY5Y neuroblastoma cells. Methods:SH-SY5Y cells were incubated with Phillyrin of different concentrations. MTT metabolic rate was measured as the cell survival rate to determine the effective concentrations of Phillyrin. After SH-SY5Y cells were incubated with Phillyrin (1,10,100 μmol·L-1) for 24 h prior to exposure to MPP+ (1 mmol·L-1) for 48 h,the MTT metabolic rate and LDH leakage rate were observed. Results:Phillyrin did not decrease the survival rate of SH-SY5Y cells at the concentrations from 1 to 100 μmol·L-1. Compared with the control group,MPP+ decreased the MTT metabolic rate (P<0.001) and increased the LDH leakage rate (P<0.001) of SH-SY5Y cells. However,Phillyrin significantly increased the cell activity (P<0.05) and decreased LDH leakage rate of SH-SY5Y cells with MPP+-induced injury. Conclusion:Phillyrin protects SH-SY5Y cells against MPP+-induced cytotoxicity.

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