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中国药学(英文版) ›› 2014, Vol. 23 ›› Issue (1): 33-38.DOI: 10.5246/jcps.2014.01.005

• 【研究论文】 • 上一篇    下一篇

20-羟基蜕皮甾酮对H2O2诱导SH-SY5Y细胞损伤的保护作用

司霞, 马卓, 陈月, 黄琳, 冯婉玉*   

  1. 1. 北京大学人民医院 药剂科, 北京 100044
    2. 北京大学医学部 药学院 药事管理与临床药学系, 北京 100191
  • 收稿日期:2013-09-25 修回日期:2013-10-11 出版日期:2014-01-23 发布日期:2014-01-22
  • 通讯作者: 冯婉玉*
  • 作者简介:*Corresponding author. Tel.: 86-10-88325750; E-mail: fengwanyu2000@yahoo.com.cn

Protective effects of 20-hydroxyecdysone on H2O2-induced cytotoxicity in human neuroblastoma SH-SY5Y cells

Xia Si, Zhuo Ma, Yue Chen, Lin Huang, Wanyu Feng*   

  1. 1. Department of Pharmacy, Peking University People’s Hospital, Beijing 100044, China
    2. Department of Pharmacy Administration and Clinical Pharmacy, School of Pharmaceutical Sciences, Peking University Health Science Center, Beijing 100191, China
  • Received:2013-09-25 Revised:2013-10-11 Online:2014-01-23 Published:2014-01-22
  • Contact: Wanyu Feng*
  • About author:*Corresponding author. Tel.: 86-10-88325750; E-mail: fengwanyu2000@yahoo.com.cn

摘要:

本文旨在研究一种类固醇激素即20-羟基蜕皮甾酮对H2O2诱导的SH-SY5Y细胞损伤的保护作用及其作用机制。预孵育20-羟基蜕皮甾酮可以明显提高H2O2诱导的SH-SY5Y细胞的生存率, 减少乳酸脱氢酶(LDH)漏出率, 抑制脂质过氧化水平(MDA)升高, 提高超氧化物歧化酶(SOD)活性。此外, 20-羟基蜕皮甾酮可以通过降低Bax/Bcl-2的比值, 延缓caspase-3的活化来抑制H2O2诱导的细胞凋亡。本研究表明20-羟基蜕皮甾酮对H2O2诱导的SH-SY5Y细胞具有保护作用, 有可能用于由氧化应激和凋亡导致的神经退行性疾病的治疗。

关键词: 20-羟基蜕皮甾酮, 双氧水, SH-SY5Y细胞, 氧化应激, 凋亡, 神经退行性疾病

Abstract:

The aim of this study was to investigate the possible protective effects and mechanisms of 20-hydroxyecdysone, an insect steroid hormone, on H2O2-induced cytotoxicity in human neuroblastoma SH-SY5Y cells. Pretreatment with 20-hydroxyecdysone significantly elevated the cell viability and decreased LDH leakage in H2O2-treated SH-SY5Y cells. 20-Hydroxyecdysone also dramatically reduced malondialdehyde (MDA) contents and enhanced the superoxide dismutase (SOD) activities under oxidative stress conditions. Furthermore, 20-hydroxyecdysone pretreatment inhibited apoptosis by decreasing the Bax/Bcl-2 ratio and attenuating the activation of caspase-3. These results suggest that 20-hydroxyecdysone can protect SH-SY5Y cells against H2O2-induced cytotoxicity and might potentially be used to treat neurodegenerative diseases induced by oxidative stress and apoptosis.

Key words: 20-Hydroxyecdysone, H2O2, SH-SY5Y cells, Oxidative stress, Apoptosis, Neurodegenerative disease

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