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Comment
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Synonyms:
1,3,4,6,8,13-Hexahydroxy-10,11-dimethylphenanthro[1,10,9,8-opqra]perylene-7,14-dioneIsolated from Hypericum perforatum, St. John's Wort.
Hypericin has been shown to display antiviral and antiretroviral activity. A potent and selective inhibitor of protein kinase C (IC = 3.4 μM). Also known to inhibit Casein Kinase II (CKII), MAP Kinase, Insulin R, EGFR, PI-3 Kinase. Displays antineoplastic and antitumor actitities. Most activities require light activation. Induces apoptosis in neuroblastoma cells at 1 μM or above (IC = 0.1 μM at 29 mW/cm2 (tungsten light)). Used in photodynamic treatment of tumors and has been reported to be cytotoxic to some tumor cell lines when Hypericin is photoactivated.
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