Nutrient-sensing mechanisms and pathways.

Nutrient-sensing mechanisms and pathways.
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DOI:
10.1038/nature14190
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发表时间:
2015-01-15
期刊:
影响因子:
64.8
通讯作者:
Sabatini, David M.
Sabatini, David M.
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Efeyan, Alejo;Comb, William C.;Sabatini, David M.

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The ability to sense and respond to fluctuations in environmental nutrient levels is a requisite for life. Nutrient scarcity is a selective pressure that has shaped the evolution of most cellular processes. Different pathways that detect intracellular and extracellular levels of sugars, amino acids and lipids, and surrogate metabolites, are then integrated and coordinated at the organismal level via hormonal signals. During food abundance, nutrient sensing pathways engage anabolism and storage, and scarcity triggers homeostatic mechanisms, like the mobilization of internal stores through mechanisms such as autophagy. Nutrient sensing pathways are commonly deregulated in human metabolic diseases.
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