Affiliation: | (1) Department of Molecular Biology, Institute of Gerontology, Nippon Medical School, 1-396 Kosugi-cho, Nakahara-ku, Kawasaki 211-8533, Japan Tel. +81-44-733-5230; Fax +81-44-733-5192 e-mail: memi@nms.ac.jp, JP;(2) Department of Neurosurgery, Nippon Medical School, Tokyo, Japan, JP;(3) Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan, JP |