Metabolic flux rewiring in mammalian cell cultures.

Metabolic flux rewiring in mammalian cell cultures.
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DOI:
10.1016/j.copbio.2013.04.016
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发表时间:
2013-12
影响因子:
7.7
通讯作者:
Young JD
Young JD
中科院分区:
工程技术1区
文献类型:
--
作者:
Young JD

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Continuous cell lines (CCLs) engage in “wasteful” glucose and glutamine metabolism that leads to accumulation of inhibitory byproducts, primarily lactate and ammonium. Advances in techniques for mapping intracellular carbon fluxes and profiling global changes in enzyme expression have led to a deeper understanding of the molecular drivers underlying these metabolic alterations. However, recent studies have revealed that CCLs are not necessarily entrenched in a glycolytic or glutaminolytic phenotype, but instead can shift their metabolism toward increased oxidative metabolism as nutrients become depleted and/or growth rate slows. Progress to understand dynamic flux regulation in CCLs has enabled the development of novel strategies to force cultures into desirable metabolic phenotypes, by combining fed-batch feeding strategies with direct metabolic engineering of host cells.
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