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分离纯化大鼠肺泡ⅱ型细胞中水通道蛋白-4的表达

, PP. 784-786

Keywords: 水通道蛋白,肺泡ⅱ型细胞

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Abstract:

目的观察经分离纯化的大鼠肺泡ⅱ型上皮细胞水通道蛋白-4(aqp4)的表达。方法对大鼠肺泡ⅱ型上皮细胞进行分离、纯化,经过特殊染色及电镜鉴定,用免疫细胞化学及免疫电镜方法检测水通道蛋白-4在该单细胞上的表达。结果大鼠肺泡ⅱ型细胞免疫细胞化学水通道蛋白-4呈强阳性,免疫电镜结果细胞膜上可见高电子密度阳性反应。结论水通道蛋白-4存在于分离的大鼠肺泡ii型细胞膜上,对呼吸系统水转运可能起到重要作用。

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