NCIt definition : Any of a class of anti-tumor antibiotics acting as alkylating agents. All mitomycins
have the backbone of methyl, aziridine, pyrrolo, indole, and dione moieties. Bioreductively
activated mitomycin antibiotics generate oxygen radicals and alkylate DNA, forming
inter-strand cross-links and inhibiting DNA synthesis.;
Alternative definition : NCI-GLOSS: An anticancer drug that belongs to the family of drugs called antitumor
antibiotics.;