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Present-day cancer treatment uses many approaches. Beyond surgery and radiation treatment, which are most often employed in cases of larger, more discrete tumors, drug therapies can be used to target residual tumor cells and to attack dispersed cancers. Chemotherapies by anti-cancer drugs are mostly aimed at blocking DNA synthesis and cell division.
A list of anti-cancer drugs is given in column A, their chemical nature in column B and their mechanism of action in column C.
Methotrexate : Methotrexate inhibits dihydrofolic acid reductase, the enzyme that reduces dihydrofolate to tetrahydrofolate, which is utilized in purine nucleot...