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首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >Activated glycogen synthase-3βsuppresses cardiac hypertrophy in vivo
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Activated glycogen synthase-3βsuppresses cardiac hypertrophy in vivo

机译:活化糖原合酶-3β抑制体内心肌肥大

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摘要

The adult myocardium responds to a variety of pathologic stimuli by hypertrophic growth that frequently progresses to heart failure. The calcium/calmodulin-dependent protein phosphatase cal- cineurin is a potent transducer of hypertrophic stimuli. Calcineurin dephosphorylates members of the nuclear factor of activated T cell (NFAT) family of transcription factors, which results in their trans- location to the nucleus and activation of calcium-dependent genes. Glycogen synthase kinase-3 (GSK-3) phosphorylates NFAT proteins and antagonizes the actions of calcineurin by stimulating NFAT nuclear export.
机译:成年心肌通过肥大性生长对多种病理刺激作出反应,肥大性生长经常发展为心力衰竭。钙/钙调蛋白依赖性蛋白磷酸酶钙调神经磷酸酶是肥大刺激的有效转导者。钙调神经磷酸酶使转录因子激活的T细胞(NFAT)家族的核因子成员脱磷酸化,这导致它们转位至细胞核并激活钙依赖性基因。糖原合酶激酶3(GSK-3)磷酸化NFAT蛋白,并通过刺激NFAT核输出来拮抗钙调神经磷酸酶的作用。

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