| Biological Activity |
Guggulsterone is a plant sterol derived from the gum resin of the tree Commiphora wightii. Guggulsterone inhibits the growth of a wide variety of tumor cells and induces apoptosis through down regulation of antiapoptotic gene products (IAP1, xIAP, Bfl-1/A1, Bcl-2, cFLIP and survivin), modulation of cell cycle proteins (cyclin D1 and c-Myc), activation of caspases and JNK, inhibition of Akt[1]. Guggulsterone, a farnesoid X receptor (FXR) antagonist, decreases CDCA-induced FXR activation with IC50s of 17 and 15 μM for Z- and E-Guggulsterone, respectively[2].
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