Cited by 231Genomics, phytochemicals, and oxidative stressCancer, Hypoxia, and MetabolismRedox biology and oxidative stress

Activation of the NRF2 antioxidant program generates an imbalance in central carbon metabolism in cancer

Open access
Sayin, Volkan I, LeBoeuf, Sarah E, Singh, Simranjit X, Davidson, Shawn M, Biancur, Douglas, Guzelhan, Betul S, Alvarez, Samantha W, Wu, Warren L +10 more·2017·eLife

Abstract

During tumorigenesis, the high metabolic demand of cancer cells results in increased production of reactive oxygen species. To maintain oxidative homeostasis, tumor cells increase their antioxidant production through hyperactivation of the NRF2 pathway, which promotes tumor cell growth. Despite the extensive characterization of NRF2-driven metabolic rewiring, little is known about the metabolic liabilities generated by this reprogramming. Here, we show that activation of NRF2, in either mouse or human cancer cells, leads to increased dependency on exogenous glutamine through increased consumption of glutamate for glutathione synthesis and glutamate secretion by xc- antiporter system. Together, this limits glutamate availability for the tricarboxylic acid cycle and other biosynthetic reactions creating a metabolic bottleneck. Cancers with genetic or pharmacological activation of the NRF2 antioxidant pathway have a metabolic imbalance between supporting increased antioxidant capacity over central carbon metabolism, which can be therapeutically exploited.

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  • NRF2 activation causes glutamine dependence in KRAS-mutant lung and pancreatic cancer cells and preclinical mouse models.

    “The activation of NRF2 causes glutamine dependence in KRAS mutant lung and pancreatic cancers cells and preclinical mouse models60,62,63, and BRAF mutants can similarly activate NRF2 to promote reactive oxygen species (ROS) detoxification59.”
  • In cells with NRF2 activation, most glutamate is secreted, and cystine is imported by the SLC7A11 (xCT) antiporter mechanism.

    “In cells with NRF2 activation, most glutamate is secreted, and cystine is imported by the SLC7A11 (xCT) antiporter mechanism47 (Fig. 3).”

    From Glutamine reliance in cell metabolism (2020) · cites this paper as [47]

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Authors
Sayin, V. I., LeBoeuf, S. E., Singh, S. X., Davidson, S. M., Biancur, D., Guzelhan, B. S., Alvarez, S. W., Wu, W. L., Karakousi, T. R., Zavitsanou, A. M., Ubriaco, J., Muir, A., Karagiannis, D., Morris, P. J., Thomas, C. J., Possemato, R., Vander Heiden, M. G., & Papagiannakopoulos, T.
Affiliations
  • New York University (US)
  • Koch Institute for Integrative Cancer Research At MIT (US)
  • National Institutes of Health (US)
  • Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, United States
Corresponding author
Papagiannakopoulos, Thales
Venue
eLife
Published
2017-10-02
Volume
6
ISSN
2050-084X (ISSN-L)
OpenAlex
W2758805707
Cited by
231
References
82
Citations by year
2026: 14 · 2025: 25 · 2024: 23 · 2023: 38 · 2022: 22 · 2021: 26 · 2020: 35 · 2019: 31 · 2018: 14 · 2017: 3
FWCI
9.27
Type
journal article
Language
en
Open access
Locations
  • eLife (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, public-domain)
  • PubMed Central (publishedVersion, public-domain)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • DSpace@MIT (Massachusetts Institute of Technology) (submittedVersion, cc-by-nc)
Funders
  • National Institutes of Health (K22CA201088-01, 5T32HL007151-38)
  • European Molecular Biology Organization (GA-2013-609409)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics, phytochemicals, and oxidative stress
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer, Hypoxia, and Metabolism
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Redox biology and oxidative stress
Keywords
Nrf2, cancer metabolism, glutamine dependency, glutamate, glutathione synthesis, TCA cycle, oxidative stress, reactive oxygen species, metabolic reprogramming, antioxidant pathways, metabolic bottlenecks, cancer therapy
MeSH terms
Animals, Antioxidants, Carbon, Cell Survival, Glutathione, Homeostasis, Humans, Neoplasms, Glutamic Acid, Cell Line, Tumor, Cell Proliferation, NF-E2-Related Factor 2, Mice

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