Ichida Kimiyoshi1,2, Amaya Yoshihiro1, Noda Kumi1, Minoshima Shinsei3, Hosoya Tatsuo2, Sakai Osamu2, Shimizu Nobuyoshi3, Nishino Takeshi1
1Department of Biochemistry, Yokohama City University School of Medicine,Fukuura, Yokohama 236, Japan. Tel. (81-45) 787-2590
22nd Department of Medicine, The Jikei University School of Medicine,Nishi-shinbashi, Tokyo 105, Japan. Tel. (81-3) 3433-1111
3Department of Molecular Biology, Keio University School of Medicine, Shinanomachi, Tokyo 153, Japan. Tel. (81-3) 3353-1211