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硫氧还蛋白和硫氧还蛋白相互作用蛋白与糖尿病及其并发症关系的研究进展 被引量:3

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摘要 硫氧还蛋白系统是由硫氧还蛋白、NADPH和硫氧还蛋白还原酶三部分组成的氧化还原敏感的多功能小分子蛋白系统。硫氧还蛋白系统在细胞内外行使着多种功能,如调节细胞氧化还原状态以对抗氧化应激,激活转录因子如NF-κB和AP-1促生长,以及与ASK-1作用抑制细胞凋亡等。硫氧还蛋白相互作用蛋白\硫氧还蛋白结合蛋白2\维生素D3上调蛋白1为硫氧还蛋白结合蛋白之一,是硫氧还蛋白功能和表达的一种负性调节因子,通过抑制硫氧还蛋白系统功能而发挥介导氧化应激、诱导细胞凋亡及对抗细胞增殖等作用。高糖可以通过相互作用蛋白启动子上的CREs(碳水化合物反应元件)刺激硫氧还蛋白相互作用蛋白的产生而抑制硫氧还蛋白,进而促进氧化应激,损伤胰岛B细胞;诱导B细胞凋亡增加,促进糖尿病及其并发症的发生。因此,硫氧还蛋白相互作用蛋白或许在糖毒性和B细胞凋亡、糖尿病及其并发症之间起着重要作用。
出处 《国外医学(老年医学分册)》 2008年第6期248-252,共5页 Foreign Medical Sciences(Geriatrics)
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