DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
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Methotrexate (amethopterin or MTX) chemotherapy drug used to treat various cancers: breast, head, neck, leukaemia, lymphoma, lung, osteosarcoma, bladder and trophoblastic neoplasms. It is also used for autoimmune diseases, ectopic pregnancy and for the induction of abortions. This antimetabolite and folate inhibitor is a cytotoxic drug because it interferes with the DNA (deoxyribonucleic acid) genetic material in cancer cells, causing cell death.
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