AMPK: An Energy-Sensing Pathway with Multiple Inputs and Outputs.

AMPK: An Energy-Sensing Pathway with Multiple Inputs and Outputs.
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DOI:
10.1016/j.tcb.2015.10.013
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发表时间:
2016-03
影响因子:
19
通讯作者:
Brunet A
Brunet A
中科院分区:
生物学1区
文献类型:
--
作者:
Hardie DG;Schaffer BE;Brunet A

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AMP激活蛋白激酶(AMPK)是真核细胞中广泛表达的能量平衡的关键调节因子。在这里,我们回顾了经典的腺嘌呤核苷酸依赖的机制,激活AMPK时,细胞的能量状态受到损害,以及其他,非经典的激活机制。一旦被激活,AMPK通过促进分解代谢途径,导致ATP产生,并抑制消耗ATP的合成代谢途径,从而恢复能量稳态。我们还回顾了各种假设驱动和无偏见的方法,已被用来确定AMPK底物,这揭示了底物参与代谢和非代谢过程。我们特别关注用于识别AMPK靶识别基序的方法,以及如何将其用于预测新底物。
The AMP-activated protein kinase (AMPK) is a key regulator of energy balance expressed ubiquitously in eukaryotic cells. Here, we review the canonical adenine nucleotide-dependent mechanism that activates AMPK when cellular energy status is compromised, as well as other, non-canonical activation mechanisms. Once activated, AMPK acts to restore energy homeostasis by promoting catabolic pathways, resulting in ATP generation, and inhibiting anabolic pathways that consume ATP. We also review the various hypothesis-driven and unbiased approaches that have been used to identify AMPK substrates, which have revealed substrates involved in both metabolic and non-metabolic processes. We particularly focus on methods for identifying the AMPK target recognition motif, and how it can be used to predict new substrates.
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