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钠钾ATP酶的信号转导功能新进展 被引量:27

Recent advances in the function of Na+/K+-ATPase in signal transduction
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摘要 钠钾ATP酶不仅是主动跨膜转运钠钾离子的载体蛋白,而且可能作为内源性洋地黄物质的受体参与信号转导。它通过在质膜上与小窝蛋白、Src激酶之间的相互作用,并在细胞内借助Src激酶反式激活上皮生长因子受体,组装信号转导的复合物激活信号转导的级联反应,从而介导内源性洋地黄物质增加心脏和血管的收缩性、促进正常细胞肥大或增殖、促进肿瘤细胞的凋亡等作用。研究内源性洋地黄物质与钠钾ATP酶结合后激活的信号转导通路将有助于明确它在病理生理条件下的重要性,有可能为治疗高血压和肿瘤提供新思路,并深化对细胞内信号转导机制的认识。
出处 《生理科学进展》 CAS CSCD 北大核心 2005年第2期159-162,共4页 Progress in Physiological Sciences
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