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Cited by 489

The DOI matches its Crossref record; 73 of the 73 references it cites were found in a registry or an index.

Selective covalent targeting of GPX4 using masked nitrile-oxide electrophiles

Open access
Eaton, John K., Furst, Laura, Ruberto, Richard A., Moosmayer, Dieter, Hilpmann, André, Ryan, Matthew J., Zimmermann, Katja, Cai, Luke L., Niehues, Michael, Badock, Volker, Kramm, Anneke, Chen, Sixun, Hillig, Roman C., Clemons, Paul A., Gradl, Stefan, Montagnon, Claire, Lazarski, Kiel E., Christian, Sven, Bajrami, Besnik, Neuhaus, Roland, Eheim, Ashley L., Viswanathan, Vasanthi S., Schreiber, Stuart L.·2020·Nature Chemical Biology

Abstract

We recently described glutathione peroxidase 4 (GPX4) as a promising target for killing therapy-resistant cancer cells via ferroptosis. The onset of therapy resistance by multiple types of treatment results in a stable cell state marked by high levels of polyunsaturated lipids and an acquired dependency on GPX4. Unfortunately, all existing inhibitors of GPX4 act covalently via a reactive alkyl chloride moiety that confers poor selectivity and pharmacokinetic properties. Here, we report our discovery that masked nitrile-oxide electrophiles, which have not been explored previously as covalent cellular probes, undergo remarkable chemical transformations in cells and provide an effective strategy for selective targeting of GPX4. The new GPX4-inhibiting compounds we describe exhibit unexpected proteome-wide selectivity and, in some instances, vastly improved physiochemical and pharmacokinetic properties compared to existing chloroacetamide-based GPX4 inhibitors. These features make them superior tool compounds for biological interrogation of ferroptosis and constitute starting points for development of improved inhibitors of GPX4. Nitrile-oxide electrophiles were identified as covalent inhibitors of GPX4 that exhibit increased selectivity and reduced off-target effects relative to chloroacetamide-based inhibitors.

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Metadata

Authors
Eaton, J. K., Furst, L., Ruberto, R. A., Moosmayer, D., Hilpmann, A., Ryan, M. J., Zimmermann, K., Cai, L. L., Niehues, M., Badock, V., Kramm, A., Chen, S., Hillig, R. C., Clemons, P. A., Gradl, S., Montagnon, C., Lazarski, K. E., Christian, S., Bajrami, B., Neuhaus, R., Eheim, A. L., Viswanathan, V. S., & Schreiber, S. L.
Venue
Nature Chemical Biology
Published
2020-03-30
Volume
16
Issue
5
Pages
497-506
ISSN
  • 1552-4450 (ISSN-L)
  • 1552-4469
OpenAlex
W3014091199
Cited by
489
References
73
FWCI
27.46
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Selective covalent targeting of GPX4 using masked nitrile-oxide electrophiles. https://app.cochat.ai/papers/10.1038/s41589-020-0501-5
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Eaton, J. K., Furst, L., Ruberto, R. A., Moosmayer, D., Hilpmann, A., Ryan, M. J., Zimmermann, K., Cai, L. L., Niehues, M., Badock, V., Kramm, A., Chen, S., Hillig, R. C., Clemons, P. A., Gradl, S., Montagnon, C., Lazarski, K. E., Christian, S., Bajrami, B., . . . Schreiber, S. L. (2020). Selective covalent targeting of GPX4 using masked nitrile-oxide electrophiles. Nature Chemical Biology. https://doi.org/10.1038/s41589-020-0501-5

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.