《中国康复理论与实践》

《中国康复理论与实践》 ›› 2008, Vol. 14 ›› Issue (05): 435-436.

• 基础研究 • 上一篇    下一篇

乙醇诱导大鼠脑损伤时小脑维生素D依赖性钙结合蛋白28K表达及山莨菪碱的影响

胡亚卓; 孟秀梅; 张红红; 韩志涛   

  1. 解放军总医院老年医学研究所病理生理室,北京市 100853
  • 收稿日期:2008-03-05 出版日期:2008-05-01 发布日期:2008-05-01

Expression of Calbindin-D28K in Ethanol-Induced Brain Damage in Rats Cerebellum and Effect of Anisodamine on It

HU Ya-zhuo,MENG Xiu-mei,ZHANG Hong-hong,et al   

  1. Laboratory of Pathophysiology, Institute of Geriatrics, General Hospital of PLA,Beijing 100853, China
  • Received:2008-03-05 Published:2008-05-01 Online:2008-05-01

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摘要： 目的探讨乙醇诱导大鼠脑损伤时小脑维生素D依赖性钙结合蛋白28K(CaBP)表达及山莨菪碱的保护作用。方法2月龄SD雄性大鼠分别腹腔注射生理盐水、乙醇、山莨菪碱+生理盐水、山莨菪碱+乙醇(均n=18),8d后行Morris水迷宫测试,免疫组化结合图像分析系统计数小脑CaBP阳性表达的蒲肯野细胞平均面积百分比和灰度值。结果乙醇组Morris水迷宫潜伏期较其他3组延长(P<0.05),游泳距离较生理盐水组和山莨菪碱+生理盐水组延长(P<0.05),与山莨菪碱+乙醇组有延长的趋势,但无显著性差异(P>0.05)。乙醇组小脑CaBP阳性表达的蒲肯野细胞计数、平均阳性细胞面积百分比和灰度值均少于其他3组(P<0.05),山莨菪碱+乙醇组阳性细胞数与生理盐水组和山莨菪碱+生理盐水组无显著性差异(P>0.05),但平均阳性细胞面积百分比和灰度值降低(P<0.05)。结论乙醇可使小脑蒲肯野细胞的CaBP的表达减少;山莨菪碱对此具有一定保护作用。

关键词: 山莨菪碱, 乙醇, 小脑, 维生素D依赖性钙结合蛋白28K(CaBP)

Abstract: Objective To investigate the effect of anisodamine on calbindin-D28K(CaBP) expression in the ethanol-induced brain damage in rat cerebellum.Methods2 months aged male Sprague-Dawley rats were injected intraperitoeally with ethanol,normal saline,saline+anisodamine and ethanol+anisodamine respectively for 8 d.They were evaluated with Morris water maze.The counts,average area and density of CaBP positive neurons in cerebellum were measured with immunohistochemical technique and image analytical system.Results The latency of Morris water maze was significantly longer in the ethanol group than in the others(P<0.05),while the distance was significantly longer in the ethanol group than in the saline group and saline+anisodamine group(P<0.05).There is not significant difference between ethanol group and ethanol+anisodamine group(P>0.05),but is seemed some longer.The counts,average area and density of CaBP positive Purkinje cell were all significantly less in ethanol group than in the others(P<0.05).There Pwas not significant difference among ethanol+anisodamine group,saline group and saline+anisodamine group(P>0.05) in the counts,but the average areas and density in ethanol+anisodamine group were less than those in saline group and saline+anisodomine group(P<0.05).Conclusion The ethanol can reduce the CaBP expression in the Purkinje cells of the rats cerebellum.Anisodamine can protect the rats cerebellum from it.

Key words: anisodamine, ethanol, cerebellum, calbindin-D28K