1. From the Department of Matrix Medicine (Y.M., T.U.) and Division of Molecular Immunology (M.I., K.D., J.M., T.U.), Institute for Genetic Medicine, Hokkaido University, Sapporo, Japan; Laboratory of Cancer Research, Department of Pathology (M.S., S.T.) and Department of Cardiovascular Medicine (H.T.), Hokkaido University Graduate School of Medicine, Sapporo, Japan; and Department of Medical Technology (T.K.), Nagoya University School of Health Sciences, Nagoya, Japan.