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NCI Dictionary of Cancer Terms


LMP400   

  A substance being studied in the treatment of cancer. It blocks certain enzymes that break and rejoin DNA strands. These enzymes are needed for cells to divide and grow. Blocking them may cause cancer cells to die. LMP400 also helps anticancer drugs kill cancers that are resistant to some other drugs. LMP400 is a type of indenoisoquinoline and a type of topoisomerase inhibitor.