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细胞运动中的水通道蛋白——细胞迁移及相关生理和病理机制的新视点 被引量:5

Water Channels on The Move: a New Focus on Mechanisms of Cell Migration and Related Biological Processes*
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摘要 细胞迁移(cellmigration)在机体生命活动中的胚胎发育、免疫防御、损伤修复、血管新生以及肿瘤转移等许多重要生理和病理过程中发挥核心作用.越来越多的证据表明,细胞迁移中处于极性分布的细胞膜离子通道和离子转运体可以通过调节细胞体积变化协助细胞的移动.然而细胞膜水转运机制在这一过程中的作用尚未阐明.Saadoun等2005年4月发表于《自然》杂志上的一项研究发现细胞膜水通道蛋白在细胞迁移中发挥重要作用.为细胞迁移的分子机制增加了新的内容,也为水通道基因功能研究开启了一个新的领域. Cell migration plays a pivotal role in many physiological and pathophysiological processes including embryogenesis, angiogenesis, immune defense, wound healing, or the formation of tumor metastases. Evidence is accumulating that ion channels and transporters is also required for optimal cell migration and a model is proposed that combines ion transport with cytoskeletal mechanisms of cell migration. However, the role of water transport in cell migration is underinvestigated. In the April 7, 2005 issue of Nature, Saadoun et al. discovered the importance of aquaporin-mediated transmembrane water flux in cell migration, angiogenesis and tumor growth, provided a new molecular mechanism of cell migration and opened a new field of aquaporin gene function and therapeutic application.
出处 《生物化学与生物物理进展》 SCIE CAS CSCD 北大核心 2005年第7期583-586,共4页 Progress In Biochemistry and Biophysics
基金 国家杰出青年科学基金资助项目(30325011) 国家自然科学基金资助项目(30470405) 吉林省杰出青年科学基金项目(20030112) 教育部青年骨干教师资助计划项目~~
关键词 水通道蛋白 转基因小鼠 体液转运 生理功能 aquaporin transgenic mice fluid transport physiological function
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