Epoxomicin
CAS No. | 134381-21-8 | Cat. No. | BCP13740 |
Name | Epoxomicin | ||
Synonyms | BU-4061T; | ||
Formula | C28H50N4O7 | M. Wt | 554.72 |
Description | Epoxomicin is a potent anti-tumor agent isolated from Actinomycetes that is used as a selective and irreversible inhibitor of the 20S proteasome. It inhibits proteasome activity in cell growth assays with an IC50 value of 4 nM and demonstrates potent cytotoxicity against B16-F10, HCT116, and Moser solid tumor cells, as well as P388 and K562 leukemia cells with IC50 values ranging from 2-44 nM. By inhibiting osteoblast proteasome activity, epoxomicin stimulates bone formation at concentrations as low as 10 nM. Intraperitoneal injection of 1.5 mg/kg epoxomicin given daily for two weeks induces Parkinson's-like symptoms in rats and addition of 100 nM epoxomicin to rat ventral midbrain cultures results in apoptosis specific to dopaminergic neurons. Epoxomicin-induced parkinsonism can be a useful model to examine mechanisms and therapies for the disease. | ||
Pathways | Protease/Metabolic Enzyme | ||
Targets | Proteasome |
Structure
![](https://img.biochemsafebuy.com/uploads/img/134381-21-8_BCP13740.png)
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