Sula, A. and Hollingworth, D. and Ng, L.C.T. and Larmore, M. and DeCaen, P.G. and Wallace, Bonnie A. (2021) A tamoxifen receptor within a voltage-gated sodium channel. Molecular Cell 81 (6), pp. 1160-1169. ISSN 1097-2765.
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Abstract
Voltage-gated sodium channels are targets for many analgesic and antiepileptic drugs whose therapeutic mechanisms and binding sites have been well characterized. We describe the identification of a previously unidentified receptor site within the NavMs voltage-gated sodium channel. Tamoxifen, an estrogen receptor modulator, and its primary and secondary metabolic products bind at the intracellular exit of the channel, which is a site that is distinct from other previously characterized sodium channel drug sites. These compounds inhibit NavMs and human sodium channels with similar potencies and prevent sodium conductance by delaying channel recovery from the inactivated state. This study therefore not only describes the structure and pharmacology of a site that could be leveraged for the development of new drugs for the treatment of sodium channelopathies but may also have important implications for off-target health effects of this widely used therapeutic drug.
Metadata
| Item Type: | Article |
|---|---|
| School: | Birkbeck Faculties and Schools > Faculty of Science > School of Natural Sciences |
| Depositing User: | Administrator |
| Date Deposited: | 28 Jan 2021 13:38 |
| Last Modified: | 25 Jul 2025 03:16 |
| URI: | https://eprints.bbk.ac.uk/id/eprint/42793 |
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