Nutrient acquisition strategies of mammalian cells.
Nutrient acquisition strategies of mammalian cells.
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DOI:
10.1038/nature22379
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发表时间:
2017-06-07
期刊:
影响因子:
64.8
通讯作者:
Thompson CB
中科院分区:
文献类型:
--
作者:
Palm W;Thompson CB
Mammalian cells are surrounded by diverse nutrients including glucose, amino acids, various macromolecules and micronutrients, which they can import through transmembrane transporters and endolysosomal pathways. By utilizing different nutrient sources, cells gain metabolic flexibility to survive periods of starvation. Quiescent cells take up sufficient nutrients to sustain homeostasis. However, proliferating cells depend on growth factor-induced increases in nutrient uptake to support biomass formation. Here, we review cellular nutrient acquisition strategies and their regulation by growth factors and cell-intrinsic nutrient sensors. We further discuss how oncogenes and tumour suppressors promote nutrient uptake, thereby supporting cancer cell survival and growth.
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