Canadian Medical Guide > Chemicals and Drugs > Heterocyclic Compounds > Heterocyclic Compounds, 3-Ring > Dactinomycin Terms and Definitions
Dactinomycin
Medical Definition: | A compound composed of a two CYCLIC PEPTIDES attached to a phenoxazine that is derived from STREPTOMYCES parvullus. It binds to DNA and inhibits RNA synthesis (transcription), with chain elongation more sensitive than initiation, termination, or release. As a result of impaired mRNA production, protein synthesis also declines after dactinomycin therapy. (From AMA Drug Evaluations Annual, 1993, p2015) | |
Also Called: | Actinomycin,Cosmegen | |
CAS Type 1 Name: | CAS Number: | 50-76-0 |
Dactinomycin Medical Definitions and Terms
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