1. Division of Life Science, Graduate School of Agriculture, Meiji University, Kanagawa 214-8571, Japan
2. Institute of Reproduction and Endocrinology, Meiji University, Kanagawa 214-8571, Japan
3. Organization for the Strategic Coordination of Research and Intellectual Property, Meiji University, Kanagawa 214-8571, Japan
4. Laboratory of Molecular Biology and Gene Regulation, Department of Life Science, Meiji University, Kanagawa 214-8571, Japan