*Masahiko Takahashi1, Hiroki Kitaura2, Akiyoshi Kakita2, Taichi Kakihana1, Yoshinori Katsuragi1, Akihide Koyama3,4, Osamu Onodera4, Yuriko Iwakura5, Hiroyuki Nawa5, Masaaki Komatsu6, Masahiro Fujii1
(1. Div Virology, Niigata Univ Grad Sch of Medical and Dental Sciences, Niigata, Japan, 2. Dept Pathology, Brain Research Inst, Niigata Univ, Niigata, Japan, 3. Div Legal Medicine, Niigata Univ Grad Sch of Medical and Dental Sciences, Niigata, Japan, 4. Dept Neurology, Brain Research Inst, Niigata Univ, Niigata, Japan, 5. Dept Molecular Neurobiology, Brain Research Inst, Niigata Univ., Niigata, Japan, 6. Dept Physiol, Juntendo Univ Sch of Medicine, Tokyo, Japan)