Extracellular Citrate Fuels Cancer Cell Metabolism and Growth.

Extracellular Citrate Fuels Cancer Cell Metabolism and Growth.
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细胞外柠檬酸盐促进癌细胞代谢和生长。

DOI:
10.3389/fcell.2020.602476
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发表时间:
2020
影响因子:
5.5
通讯作者:
Mycielska ME
Mycielska ME
中科院分区:
生物学2区
文献类型:
--
作者:
Haferkamp S;Drexler K;Federlin M;Schlitt HJ;Berneburg M;Adamski J;Gaumann A;Geissler EK;Ganapathy V;Parkinson EK;Mycielska ME

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癌细胞不仅需要过量的能量和必需的营养/代谢产物来分裂和增殖,而且还需要迁移和侵袭远处的器官进行转移。脂肪酸和胆固醇的合成被认为是癌症合成代谢和膜生物发生的标志,需要柠檬酸盐。我们在这里综述了柠檬酸合成和/或供应给癌细胞的可能途径,以及细胞外柠檬酸对癌细胞代谢和生长的影响。当一些必要的底物在细胞外空间缺失时,癌细胞使用不同的机制来支持线粒体的活动和柠檬酸的合成。我们还讨论了细胞外柠檬酸进入癌细胞的不同转运机制,以及作为主要代谢物的柠檬酸如何促进ATP的产生和促进合成代谢途径。现有的文献表明,癌细胞在应对不断变化的环境条件时表现出更强的代谢灵活性,这是一种对癌细胞增殖和转移至关重要的现象。
Cancer cells need excess energy and essential nutrients/metabolites not only to divide and proliferate but also to migrate and invade distant organs for metastasis. Fatty acid and cholesterol synthesis, considered a hallmark of cancer for anabolism and membrane biogenesis, requires citrate. We review here potential pathways in which citrate is synthesized and/or supplied to cancer cells and the impact of extracellular citrate on cancer cell metabolism and growth. Cancer cells employ different mechanisms to support mitochondrial activity and citrate synthesis when some of the necessary substrates are missing in the extracellular space. We also discuss the different transport mechanisms available for the entry of extracellular citrate into cancer cells and how citrate as a master metabolite enhances ATP production and fuels anabolic pathways. The available literature suggests that cancer cells show an increased metabolic flexibility with which they tackle changing environmental conditions, a phenomenon crucial for cancer cell proliferation and metastasis.
DOI: 10.3390/molecules22030378
发表时间: 2017-02-28
期刊: Molecules (Basel, Switzerland)
影响因子: --
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