Cutting cancer to pieces: New research on bleomycin

Bleomycin's ability to cut through double-stranded DNA in cancerous cells, like a pair of scissors, has been described in a new article. Such DNA cleavage often leads to cell death in particular types of cancer cells. Bleomycin is part of a family of structurally related antibiotics produced by the bacterium, Streptomyces verticillus. Three potent versions of the drug, labeled A2 , A5 and B2 are the primary forms in clinical use against cancer.

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