1. Department of Molecular Endocrinology, Tohoku University Graduate School of Medicine, Sendai, Miyagi, 980-8575, Japan
2. Department of Molecular Endocrinology, Fujii Memorial Institute of Medical Sciences, Institute of Advanced Medical Sciences, Tokushima University, Tokushima, 770-8503, Japan
3. Department of Biochemistry, Tohoku University Graduate School of Medicine, Sendai, Miyagi, 980-8575, Japan
4. Department of Pathology, Miyagi Cancer Center, Natori, Miyagi 981-1293, Japan
5. Department of Urology, Miyagi Cancer Center, Natori, Miyagi 981-1293, Japan
6. Department of Pathology and Histotechnology, Tohoku University Graduate School of Medicine, Sendai, Miyagi, 980-8575, Japan