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Glutamine Metabolism and Cancer
Book chapter

Glutamine Metabolism and Cancer

Nianli Sang, Dan He and Shuo Qie
Encyclopedia of Cancer, pp 179-186
2019

Abstract

Glutamate dehydrogenase Glutaminase Glutamine synthetase Glutaminolysis Glutathione Nutrient depletion Proliferative biosynthesis Redox
Cancer cells consume large amount of glutamine which greatly exceeds the needs for direct use for protein translation and nucleotide synthesis. Independent studies have demonstrated that glutaminolysis driven by oncogenic signaling pathways accounts for this increased consumption. This article summarizes the direct and indirect metabolic roles of glutamine in cancer cell metabolism. In addition, we will discuss how oncogenic signaling pathways regulate glutamine utilization in cancers, and how cancer cells respond to glutamine depletion.

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