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Targeting Pyruvate Kinase PEPs Up Insulin Secretion and Improves Glucose Homeostasis

机译:靶向丙酮酸激酶Peps Up胰岛素分泌并改善葡萄糖稳态

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摘要

The consensus model of glucose-stimulated insulin secretion (GSIS) holds that ATP generation by oxidative phosphorylation directly regulates KATP channel activity and thus insulin granule release, a concept inconsistent with bioenergetic principles. Here, Lewandowski et al. (2020) and Abulizi et al. (2020) report that regulation of GSIS is much more complex as different sources of ATP generation are essential to control this process, which can be targeted in vivo and additionally modulate hepatic glucose production. These findings establish an important new conceptual framework of GSIS and in vivo glucose homeostasis.
机译:葡萄糖刺激胰岛素分泌(GSIS)的共识模型认为,通过氧化磷酸化产生ATP直接调节KATP通道活性,从而释放胰岛素颗粒,这一概念与生物能量学原理不一致。Lewandowski等人(2020年)和Abulizi等人(2020年)报告说,GSIS的调节要复杂得多,因为不同的ATP生成来源对控制这一过程至关重要,这一过程可以在体内靶向,并额外调节肝脏葡萄糖的生成。这些发现为GSIS和体内葡萄糖稳态建立了一个重要的新概念框架。

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