Biochem/physiol Actions
Valrubicin is a semisynthetic derivative of the antineoplastic anthracycline antibiotic doxorubicin. Valrubicin is converted intracytoplasmically into N-trifluoroacetyladriamycin, which interacts with topoisomerase II, stabilizing the complex between the enzyme and DNA and causing cell cycle arrest.
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