Starve cancer cells of glutamine

Break the spell or make a hungry monster?

Jie Jiang, Sankalp Srivastava, Ji Zhang

Research output: Contribution to journalReview article

Abstract

Distinct from normal differentiated tissues, cancer cells reprogram nutrient uptake and utilization to accommodate their elevated demands for biosynthesis and energy production. A hallmark of these types of reprogramming is the increased utilization of, and dependency on glutamine, a nonessential amino acid, for cancer cell growth and survival. It is well-accepted that glutamine is a versatile biosynthetic substrate in cancer cells beyond its role as a proteinogenic amino acid. In addition, accumulating evidence suggests that glutamine metabolism is regulated by many factors, including tumor origin, oncogene/tumor suppressor status, epigenetic alternations and tumor microenvironment. However, despite the emerging understanding of why cancer cells depend on glutamine for growth and survival, the contribution of glutamine metabolism to tumor progression under physiological conditions is still under investigation, partially because the level of glutamine in the tumor environment is often found low. Since targeting glutamine acquisition and utilization has been proposed to be a new therapeutic strategy in cancer, it is central to understand how tumor cells respond and adapt to glutamine starvation for optimized therapeutic intervention. In this review, we first summarize the diverse usage of glutamine to support cancer cell growth and survival, and then focus our discussion on the influence of other nutrients on cancer cell adaptation to glutamine starvation as well as its implication in cancer therapy.

Original languageEnglish (US)
Article number804
JournalCancers
Volume11
Issue number6
DOIs
StatePublished - Jan 1 2019

Fingerprint

Glutamine
Neoplasms
Starvation
Cell Survival
Growth
Amino Acids
Tumor Microenvironment
Oncogenes
Epigenomics
Therapeutics

Keywords

  • Adaptation
  • Amino acid starvation
  • Arginine
  • Asparagine
  • Aspartate
  • Biosynthesis
  • Glutaminase
  • Glutamine

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

Cite this

Starve cancer cells of glutamine : Break the spell or make a hungry monster? / Jiang, Jie; Srivastava, Sankalp; Zhang, Ji.

In: Cancers, Vol. 11, No. 6, 804, 01.01.2019.

Research output: Contribution to journalReview article

Jiang, Jie ; Srivastava, Sankalp ; Zhang, Ji. / Starve cancer cells of glutamine : Break the spell or make a hungry monster?. In: Cancers. 2019 ; Vol. 11, No. 6.
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