1. Department of Applied Biological Science, Science University of Tokyo, Noda, Chiba 278-8510, Japan
2. Research Institute, Fuji Chemical Industry Co., Kamiichi, Nakashinkawa, Toyama 930-0405, Japan
3. Medical and Biological Laboratory, Ina, Nagano 396-0002, Japan
4. Laboratory of Cancer Cell Biology, Research Institute for Disease Mechanism and Control, Nagoya University School of Medicine, Nagoya, Aichi 466-8550, Japan
5. Laboratory of Cell Biology, Aichi Cancer Center Research Institute, Nagoya, Aichi 464-0021, Japan