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中国临床药理学与治疗学 ›› 2005, Vol. 10 ›› Issue (9): 1046-1049.

• 研究原著 • 上一篇    下一篇

雌激素对培养大鼠皮质神经元细胞β淀粉样蛋白(25-35)损伤的保护作用

周璘, 任慕兰1   

  1. 南京市妇幼保健院妇产科, 南京 210004, 江苏;
    1东南大学附属中大医院妇产科, 南京 210009, 江苏
  • 收稿日期:2005-08-05 修回日期:2005-09-02 发布日期:2020-11-22
  • 通讯作者: 任慕兰,女,教授,主任医师,硕士生导师。研究方向:妇科肿瘤学,妇科内分泌学。Tel:025-83272189 E-mail:qinnj@publicl.ptt.js.cn
  • 作者简介:周璘,女,硕士,主治医师。研究方向:妇科内分泌学。Tel:025-84460777 E-mail:zl2100@126.com

Neuroprotection of estrogen against injury induced by β-amyloid protein (25-35) in rat cortical neurons

ZHOU Lin, REN Mu-lan1   

  1. Department of Obstetrics and Gynecology, Nanjing Maternity and Child Health Hospital, Nanjing 210004, Jiangsu, China;
    1Department of Obstetrics and Gynecology, Zhongda Hospital of Southeast University, Nanjing 210009, Jiangsu, China
  • Received:2005-08-05 Revised:2005-09-02 Published:2020-11-22

摘要: 目的: 研究雌激素对β 淀粉样蛋白(β-amyloidprotein, Aβ) 诱导的大鼠神经细胞损伤的影响。方法: 通过相差倒置显微镜、Giemsa 染色及乳酸脱氢酶(lactate dehydrohenase, LDH) 释放率的测定。观察17β-雌二醇(17β-estradiol, 17β-E2) 对Aβ(25-35) 诱导的大鼠皮质神经元细胞损伤的影响。结果: Aβ(25-35) 可以诱导大鼠皮质神经元细胞损伤, 17β-E2 预处理48 h 显著抑制Aβ(25-35) 诱导的大鼠皮质神经元细胞损伤。结论: Aβ 对大鼠皮质神经元细胞有毒性作用, 雌激素可以抑制Aβ 诱导的大鼠皮质神经元细胞损伤, 雌激素具有神经保护作用。

关键词: 雌激素, β 淀粉样蛋白, 神经细胞培养, 大鼠, 阿尔茨海默病

Abstract: AIM: To study the effect of estrogen on injury induced by β-amyloid protein (Aβ) in primary cultures of rat cortical neurons.METHODS: The effect of 17β-E2 on Aβ(25-35)-induced cell death in primary rat cortical neurons was observed by phase contrast light microscopy, Giemsa staining and determination of lactate dehydrohenase (LDH) release rate.RESULTS: Aβ(25-35) induced cell death in rat primary cortical neurons. Forty eight hours pretreatment with 17β-E2 protected rat primary cortical neurons from Aβ(25-35)-induced injury.CONCLUSION: Aβ evokes toxicity in rat primary cortical neurons.Estrogen can protect the rat primary cortical neurons against injury induced by Aβ (25-35).

Key words: estrogen, β-amyloid protein;, neuronal culture, rats, Alzheimer's disease

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