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胰岛特异细胞因子PANDER在糖尿病病理生理过程中的作用 被引量:2

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摘要 胰腺衍生因子(PANcreatic DERived factor,PANDER)是新近克隆的细胞因子,在胰腺的胰岛β细胞中特异性高表达。重组PANDER蛋白预处理或腺病毒过表达PANDER基因均可在体外显著地诱导人、大鼠及小鼠胰岛β细胞及多种β细胞系凋亡,并抑制其胰岛素分泌。同时,炎症细胞因子IFN-γ能显著地上调β细胞PANDER基因的表达,提示PANDER有可能在炎症细胞因子介导的1型糖尿病病理生理过程中起作用。PANDER蛋白与胰岛素通过Ca2+依赖的方式从β细胞中共分泌进入循环系统,特异性地结合到肝细胞膜上并抑制肝细胞胰岛素信号转导,这提示PANDER可能也介入了机体胰岛素抵抗的形成。本文结合笔者多年从事PANDER的生理学功能研究,对PANDER的发现、最新研究进展及其潜在的生理学功能进行总结与分析。
出处 《生理科学进展》 CAS CSCD 北大核心 2008年第4期339-342,共4页 Progress in Physiological Sciences
基金 国家自然科学基金(30771030) 教育部留学回国人员科研启动基金资助课题
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