Oxygen availability and metabolic reprogramming in cancer

J Biol Chem. 2017 Oct 13;292(41):16825-16832. doi: 10.1074/jbc.R117.799973. Epub 2017 Aug 24.

Abstract

Hypoxia and dysregulated metabolism are defining features of solid tumors. How cancer cells adapt to low O2 has been illuminated by numerous studies, with "reprogrammed" metabolism being one of the most important mechanisms. This metabolic reprogramming not only promotes cancer cell plasticity, but also provides novel insights for treatment strategies. As the most studied O2 "sensor," hypoxia-inducible factor (HIF) is regarded as an important regulator of hypoxia-induced transcriptional responses. This minireview will summarize our current understanding of hypoxia-induced changes in cancer cell metabolism, with an initial focus on HIF-mediated effects, and will highlight how these metabolic alterations affect malignant phenotypes.

Keywords: IDH; ROS; cancer; glucose; glutamine; hypoxia; lipid metabolism; metabolism.

Publication types

  • Review
  • Research Support, Non-U.S. Gov't
  • Research Support, N.I.H., Extramural

MeSH terms

  • Animals
  • Basic Helix-Loop-Helix Transcription Factors / metabolism*
  • Humans
  • Neoplasm Proteins / metabolism*
  • Neoplasms / metabolism*
  • Neoplasms / pathology
  • Oxygen / metabolism*

Substances

  • Basic Helix-Loop-Helix Transcription Factors
  • Neoplasm Proteins
  • Oxygen