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肺表面活性蛋白A与急性肺损伤 被引量:7

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摘要 肺表面活性蛋白(Surfactant Protein,SP)是70年代末才被认识的一类特异性综合蛋白,主要由肺泡Ⅱ型上皮细胞(AT-Ⅱ)和细支气管非纤毛上皮细胞(Clara细胞)分泌,占肺表面活性物质(Pulmonary Surfactant,PS)的l0%左右.目前分离出的SP包括亲水性的SP-A、SP-D和疏水性的SP-B、SP-C.其中SP-A是最早被发现且在AT-Ⅱ中表达最强烈,信号最丰富的蛋白,是PS中最重要的蛋白成分,其功能及生物学特性复杂,临床意义显著.本文着重探讨SP-A的概述、生物学功能、在急性肺损伤(acute lung injury,ALI)中的代谢变化及其临床意义.
作者 董文 陈美云
出处 《中国急救医学》 CAS CSCD 北大核心 2004年第11期824-826,共3页 Chinese Journal of Critical Care Medicine
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