1. From the Department of Medicine and Clinical Science (Y.A., Y. Saito, I.K., M. Harada., K.K., N.T., R.K., M.N., Y.N., K.T., Y. Saitoh, S.Y., S.U., K.N.), Kyoto University Graduate School of Medicine, Kyoto, Japan; and the Department of Medical Biochemistry (M.I., M. Horiuchi), Ehime University School of Medicine, Ehime, Japan.