Cited by 1,799Ferroptosis and cancer prognosisCancer Cells and MetastasisCell death mechanisms and regulation

Drug-tolerant persister cancer cells are vulnerable to GPX4 inhibition

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Hangauer, Matthew J., Viswanathan, Vasanthi S., Ryan, Matthew J., Bole, Dhruv, Eaton, John K., Matov, Alexandre, Galeas, Jacqueline, Dhruv, Harshil D. +4 more·2017·Nature

Abstract

Acquired drug resistance prevents cancer therapies from achieving stable and complete responses. Emerging evidence implicates a key role for non-mutational drug resistance mechanisms underlying the survival of residual cancer 'persister' cells. The persister cell pool constitutes a reservoir from which drug-resistant tumours may emerge. Targeting persister cells therefore presents a therapeutic opportunity to impede tumour relapse. We previously found that cancer cells in a high mesenchymal therapy-resistant cell state are dependent on the lipid hydroperoxidase GPX4 for survival. Here we show that a similar therapy-resistant cell state underlies the behaviour of persister cells derived from a wide range of cancers and drug treatments. Consequently, we demonstrate that persister cells acquire a dependency on GPX4. Loss of GPX4 function results in selective persister cell ferroptotic death in vitro and prevents tumour relapse in mice. These findings suggest that targeting of GPX4 may represent a therapeutic strategy to prevent acquired drug resistance.

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  • Cancer cells use non-mutational adaptations to resist a wide variety of single drugs or drug combinations, including inhibitors targeting BRAF, MEK, EGFR, and KRAS.

    “Cancer cells use non-mutational adaptations to resist a wide variety of single drugs or drug combinations, including inhibitors targeting BRAF, MEK, EGFR, and KRAS [118,119].”

    From KRAS: Biology, Inhibition, and Mechanisms of Inhibitor Resistance (2024) · cites this paper as [119]

    The Abstract describes reversible, nonmutational survival after targeted therapy, and Methods > Persister cell derivation and treatments documents persisters after single drugs and combinations targeting BRAF, MEK, or EGFR. The passages do not document resistance to a KRAS-targeting inhibitor, so that example is unsupported. (LLM, conf=0.88)

    Experimental — accuracy not yet measured
  • Some studies indicate that drug-tolerant persister populations or cancer cells primed to persist exist even prior to treatment.

    “Some studies indicate that drug-tolerant persister populations or cancer cells that are primed to persist exist even prior to treatment [40,43,60,61].”
  • Therapy-resistant and drug-tolerant tumor cells are prone to ferroptosis.

    “Interestingly, especially therapy-resistant and drug-tolerant tumor cells are prone to ferroptosis [164,165].”

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Authors
Hangauer, M. J., Viswanathan, V. S., Ryan, M. J., Bole, D., Eaton, J. K., Matov, A., Galeas, J., Dhruv, H. D., Berens, M. E., Schreiber, S. L., McCormick, F., & McManus, M. T.
Affiliations
  • University of California, San Francisco (US)
  • Broad Institute (US)
  • Translational Genomics Research Institute (US)
Corresponding author
  • McCormick, Frank
  • McManus, Michael T.
Venue
Nature
Published
2017-11
Volume
551
Issue
7679
Pages
247-250
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2767055857
Cited by
1,799
References
23
Citations by year
2026: 255 · 2025: 282 · 2024: 272 · 2023: 263 · 2022: 222 · 2021: 187 · 2020: 154 · 2019: 96 · 2018: 54 · 2017: 6 · 2016: 3 · 2015: 1 · 2014: 1 · 2012: 1
FWCI
70.11
Type
journal article
Language
en
Open access
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
  • Howard Hughes Medical Institute
  • National Cancer Institute (R01CA212767, U01CA217848, U01CA176152, U01CA217882, U01CA168397, U01CA168370)
Topics
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Ferroptosis and cancer prognosis
  • Health Sciences › Medicine › Oncology › Cancer Cells and Metastasis
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Cell death mechanisms and regulation
Keywords
drug-tolerant persister cells, GPX4 inhibition, ferroptosis, acquired drug resistance, tumor recurrence, cancer stem cells, cancer therapy resistance
MeSH terms
Phospholipid Hydroperoxide Glutathione Peroxidase, Animals, Antioxidants, Drug Evaluation, Preclinical, Female, Glutathione Peroxidase, Humans, Iron, Male, Mesoderm, Neoplasms, Recurrence, Apoptosis, Drug Resistance, Neoplasm, Xenograft Model Antitumor Assays, Mice, Molecular Targeted Therapy

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