The DOI matches its Crossref record; 9 of the 9 references it cites were found in a registry or an index.
Mitochondrial copper depletion suppresses triple-negative breast cancer in mice
Open accessAbstract
Depletion of mitochondrial copper, which shifts metabolism from respiration to glycolysis and reduces energy production, is known to be effective against cancer types that depend on oxidative phosphorylation. However, existing copper chelators are too toxic or ineffective for cancer treatment. Here we develop a safe, mitochondria-targeted, copper-depleting nanoparticle (CDN) and test it against triple-negative breast cancer (TNBC). We show that CDNs decrease oxygen consumption and oxidative phosphorylation, cause a metabolic switch to glycolysis and reduce ATP production in TNBC cells. This energy deficiency, together with compromised mitochondrial membrane potential and elevated oxidative stress, results in apoptosis. CDNs should be less toxic than existing copper chelators because they favorably deprive copper in the mitochondria in cancer cells instead of systemic depletion. Indeed, we demonstrate low toxicity of CDNs in healthy mice. In three mouse models of TNBC, CDN administration inhibits tumor growth and substantially improves survival. The efficacy and safety of CDNs suggest the potential clinical relevance of this approach. Triple-negative breast cancer is inhibited by depleting mitochondrial copper in mice.
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Cites
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Gboxin is an oxidative phosphorylation inhibitor that targets glioblastoma
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Self-citationDhiman, R., Bazad, N., Mukherjee, R., Himanshu, Gunjan, Leal, E., Ahmad, S., Kaur, K., Raj, V. S., Chang, C.-M., et al. (2024) · Discover Nano · doi:10.1186/s11671-024-04086-6 · Cited by 40
Metadata
- Authors
- Cui, L., Gouw, A. M., LaGory, E. L., Guo, S., Attarwala, N., Tang, Y., Qi, J., Chen, Y.-S., Gao, Z., Casey, K. M., Bazhin, A. A., Chen, M., Hu, L., Xie, J., Fang, M., Zhang, C., Zhu, Q., Wang, Z., Giaccia, A. J., Gambhir, S. S., Zhu, W., Felsher, D. W., Pegram, M. D., Goun, E. A., Le, A., & Rao, J.
- Venue
- Nature Biotechnology
- Published
- 2020-10-19
- Volume
- 39
- Issue
- 3
- Pages
- 357-367
- ISSN
- 0733-222X (ISSN-L)
- 1087-0156
- 1546-1696
- OpenAlex
- W3093109984
- Cited by
- 343
- References
- 9
- FWCI
- 11.58
- Type
- journal article
- Language
- en
- Open access
- green
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- Cui, L., Gouw, A. M., LaGory, E. L., Guo, S., Attarwala, N., Tang, Y., Qi, J., Chen, Y.-S., Gao, Z., Casey, K. M., Bazhin, A. A., Chen, M., Hu, L., Xie, J., Fang, M., Zhang, C., Zhu, Q., Wang, Z., Giaccia, A. J., . . . Rao, J. (2021). Mitochondrial copper depletion suppresses triple-negative breast cancer in mice. Nature Biotechnology. https://doi.org/10.1038/s41587-020-0707-9
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