Menadione: spectrum of anticancer activity and effects on nucleotide metabolism in human neoplastic cell lines.


The spectrum of cytotoxicity of menadione (MD) was examined in a panel of human cancer cell lines. MD was equipotent against multidrug-resistant and parental leukemia cell lines with IC50 values of 13.5 +/- 3.6 and 18 +/- 2.4 microM respectively. A cervical carcinoma cell line resistant to the antimetabolite, methotrexate (MTX), was as sensitive to MD as… (More)


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