大鼠海马CAⅠ区锥体细胞的急性分离及全细胞记录方法  被引量:3

Methods of acute isolation of CAⅠ pyramidal neurons in hippocampus of neonate rats and whole-cell recording

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作  者:张鹏俊[1] 张宇[1] 张文平[1] 谭爱娟[1] 张策[1] 

机构地区:[1]山西医科大学生理学教研室,太原030001

出  处:《中国药物与临床》2006年第8期586-589,共4页Chinese Remedies & Clinics

摘  要:目的寻求一种适用于膜片钳技术(PCT)的大鼠海马CAⅠ区锥体细胞的急性分离及全细胞记录方法。方法采用酶加机械分离的方法制备10~16d鼠龄的海马CAⅠ区锥体神经元。其电生理学特性测定用全细胞PCT。结果所分离的85%神经元不仅形态学特征保存完好,而且保存了主要的离子通道活性。结论成功建立了一种简单、快速、可靠的适用于PCT的大鼠皮层神经元急性分离方法。Objective To establish a method of acute isolation of neonate rat hippocampal CA Ⅰ pyramidal neurons suitable for patch clamp technique (PCT).Methods Neonate rat hippocampal CA Ⅰ pyramidal neurons were obtained by a combination of mechanical and enzymatic means.The electrophysiologic properties were detected by the whole-cell patch clamp technique.Results 85% of isolated neurons exhibited the well-kept proximal dendritic structures with clean surface, and preserved activities of typical ion channels. Conclusions A simple, fast and credible method of acute isolation of neonate rat hippocampal CA Ⅰ pyramidal neurons suitable for whole-cell recording is successfully founded.

关 键 词:海马 锥体细胞 急性分离 膜片钳 全细胞记录 

分 类 号:R749.1[医药卫生—神经病学与精神病学]

 

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