Involvement of mitogen-activated protein kinase signaling pathways in microcystin-LR-induced apoptosis after its selective uptake mediated by OATP1B1 and OATP1B3 - Komatsu, M; Furukawa, T; Ikeda, R; Takumi, S; Nong, Q; Aoyama, K; Akiyama, S; Keppler, D; Takeuchi, T (Toxicol Sci, 2007)