- A natural product ligand of the oxysterol receptor, liver X receptor. Bramlett, K.S., Houck, K.A., Borchert, K.M., Dowless, M.S., Kulanthaivel, P., Zhang, Y., Beyer, T.P., Schmidt, R., Thomas, J.S., Michael, L.F., Barr, R., Montrose, C., Eacho, P.I., Cao, G., Burris, T.P. J. Pharmacol. Exp. Ther. (2003)