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AGS3蛋白与G蛋白信号转导 被引量:2

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摘要 AGS3蛋白是影响受体到G蛋白的信号转导或直接影响非受体依赖型G蛋白激活的蛋白质之一。AGS3蛋白在脑、睾丸、肝脏、肾脏、心脏、胰腺及PC-12细胞中普遍分布。它不仅具有不依赖受体的Gβγ信号转导激活物的作用,也能作为二磷酸鸟苷(GDP)的解离抑制剂,并负向调节G蛋白偶联受体对G蛋白的激活。AGS1、AGS2、AGS4是AGS家族的其它几个成员,能选择性激活不同类型的G蛋白。LGN和PINS蛋白是AGS3的同系物。AGS3蛋白与信号转导的关系是目前研究的热点之一。
出处 《生理科学进展》 CAS CSCD 北大核心 2006年第3期263-265,共3页 Progress in Physiological Sciences
基金 国家自然科学基金(30300465) 武警医学院科研基金(WY2002-19)资助课题
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