Induction of human CYP2A6 is mediated by the pregnane X receptor with peroxisome proliferator-activated receptor-gamma coactivator 1 alpha - Itoh, M; Nakajima, M; Higashi, E; Yoshida, R; Nagata, K; Yamazoe, Y; Yokoi, T (J Pharmacol Exp Ther, 2006)