首页> 美国卫生研究院文献>Cancers >The Emerging Roles of mTORC1 in Macromanaging Autophagy
【2h】

The Emerging Roles of mTORC1 in Macromanaging Autophagy

机译:mTORC1在宏观管理自噬中的新兴作用

代理获取
本网站仅为用户提供外文OA文献查询和代理获取服务,本网站没有原文。下单后我们将采用程序或人工为您竭诚获取高质量的原文,但由于OA文献来源多样且变更频繁,仍可能出现获取不到、文献不完整或与标题不符等情况,如果获取不到我们将提供退款服务。请知悉。

摘要

Autophagy is a process of self-degradation that enables the cell to survive when faced with starvation or stressful conditions. The mechanistic target of rapamycin (mTOR), also known as the mammalian target of rapamycin, plays a critical role in maintaining a balance between cellular anabolism and catabolism. mTOR complex 1 (mTORC1) was unveiled as a master regulator of autophagy since inhibition of mTORC1 was required to initiate the autophagy process. Evidence has emerged in recent years to indicate that mTORC1 also directly regulates the subsequent steps of the autophagy process, including the nucleation, autophagosome elongation, autophagosome maturation and termination. By phosphorylating select protein targets of the autophagy core machinery and/or their regulators, mTORC1 can alter their functions, increase their proteasomal degradation or modulate their acetylation status, which is a key switch of the autophagy process. Moreover, it phosphorylates and alters the subcellular localization of transcription factors to suppress the expression of genes needed for autophagosome formation and lysosome biogenesis. The purpose of this review article is to critically analyze current literatures to provide an integrated view of how mTORC1 regulates various steps of the autophagy process.
机译:自噬是一种自我降解的过程,使细胞在面临饥饿或压力条件时能够存活。雷帕霉素(mTOR)的机械靶标,也称为雷帕霉素的哺乳动物靶标,在维持细胞合成代谢和分解代谢之间的平衡中起着关键作用。 mTOR复合物1(mTORC1)作为自噬的主要调节剂被公开,因为需要抑制mTORC1才能启动自噬过程。近年来已有证据表明,mTORC1还直接调节自噬过程的后续步骤,包括成核,自噬体延伸,自噬体成熟和终止。通过使自噬核心机制和/或其调节剂的特定蛋白质靶磷酸化,mTORC1可以改变其功能,增加其蛋白酶体降解或调节其乙酰化状态,这是自噬过程的关键开关。此外,它磷酸化和改变转录因子的亚细胞定位,以抑制自噬体形成和溶酶体生物发生所需基因的表达。这篇综述文章的目的是对现有文献进行严格分析,以提供有关mTORC1如何调节自噬过程各个步骤的综合观点。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
代理获取

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号