1. From the Departments of Biochemistry (T.M., X.-F.L., S. Arita, J.-r.K.K., A.M.) and Pathology (M.T., H. Ota), Showa University School of Medicine; Department of Pharmacology, Showa University School of Pharmacy (H. Ohata); and Center for Biotechnology, Showa University (S. Arata); and Lipid Metabolism Project, Tokyo Metropolitan Institute of Medical Science (Y.T., M.M.), Tokyo, Japan.