Affiliation: | (1) First Laboratory of Biochemistry, Niigata University School of Medicine, 1-757 Asahimachidori, Niigata-951, Japan, JP;(2) Department of Morphogenesis, Institute of Molecular Embryology and Genetics (IMEG), Kumamoto University School of Medicine, 2-2-1 Honjo, Kumamoto 860, Japan, JP |