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Item No. 19572

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Hyperforin is a natural activator of the steroid X receptor (active at 0.1 to 0.5 µg/ml) and inhibitor of several cytochrome P450 (CYP) isoforms (IC50 = 10 µg/ml for CYP2D6).1,2 It can also inhibit microsomal prostaglandin E2 synthase-1 (mPGES-1; IC50 = 1 µM), 5-lipoxygenase activating protein, and sirtuins.3,4,5
WARNING This product is not for human or veterinary use.
1. St. John’s wort, a herbal antidepressant, activates the steroid X receptor. J. Endocrinol. 166, R11-R16 (2000).
2. Inhibition of human cytochrome P450 enzymes by constituents of St. John’s wort, an herbal preparation used in the treatment of depression. J. Pharmacol. Exp. Ther. 294(1), 88-95 (2000).
3. Identification and development of mPGES-
4. 2-
5. The sirtuin family: Therapeutic targets to treat diseases of aging. Curr. Opin. Chem. Biol. 12(1), 11-17 (2008).