Autophagy and Tumor Metabolism.

Autophagy and Tumor Metabolism.
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DOI:
10.1016/j.cmet.2017.04.004
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发表时间:
2017-05-02
期刊:
影响因子:
29
通讯作者:
White E
White E
中科院分区:
生物学1区
文献类型:
--
作者:
Kimmelman AC;White E

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自噬是一个关键的细胞过程,通常可以保护细胞和生物体免受诸如营养剥夺等应激因素的影响。自噬除了在正常生理中发挥作用外,还在癌症等病理过程中发挥作用。事实上,已经有大量的工作探索自噬在癌症中的复杂和上下文相关的作用。其中一个新出现的主题是,在某些类型的癌症中,自噬对支持肿瘤生长非常重要,因此抑制自噬作为一种治疗方法正在积极地进行临床试验。自噬如何促进各种癌症的生长和存活的一个关键机制是它支持细胞新陈代谢的能力。自噬产生的各种代谢燃料来源为肿瘤提供了代谢可塑性,并使它们能够在严峻的微环境中茁壮成长。因此,了解自噬如何促进细胞新陈代谢将使更有效的联合治疗策略成为可能。
Autophagy is a critical cellular process that generally protects cells and organisms from stressors such as nutrient deprivation. In addition to its role in normal physiology, autophagy plays a role in pathological processes such as cancer. Indeed, there has been substantial work exploring the complex and context-dependent role of autophagy in cancer. One of the emerging themes is that in certain cancer types, autophagy is important to support tumor growth and therefore inhibiting autophagy as a therapeutic approach is actively being tested in clinical trials. A key mechanism of how autophagy promotes the growth and survival of various cancers is its ability to support cellular metabolism. The diverse metabolic fuel sources that can be produced by autophagy provides tumors with metabolic plasticity and can allow them to thrive in what can be an austere microenvironment. Therefore, understanding how autophagy can fuel cellular metabolism will enable more effective combinatorial therapeutic strategies.
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