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Genistein

(Science: chemical) An isoflavonoid derived from soy products. It inhibits protein-tyrosine kinase and topoisomerase-II (dna topoisomerase (ATP-hydrolysing)) activity and is used as an antineoplastic and antitumour agent. Experimentally, it has been shown to induce g2 phase arrest in human and murine cell lines.

Pharmacological action: anticarcinogenic agents, antineoplastic agent, enzyme inhibitors, growth inhibitors, parasympatholytics.