Affiliation: | Department of Hematology and Oncology,1. Molecular Oncology, Biomedical Research Center,2. and Internal Medicine II,5. Osaka University Medical School, Suita, Osaka 565-0871, Helix Research Institute, Chiba 292-0812,3. National Institute of Neuroscience, National Center of Neurology and Psychiatry, Kodaira, Tokyo 187-0032,4. and Pharmaceutical Research Laboratory, Kirin Brewery Co. Ltd., Takasaki, Gunma 370-1202,6. Japan |