About the Authors

Hiroshi Yoshitake

Affiliation Institute for Environmental and Gender-specific Medicine, Juntendo University Graduate School of Medicine, Urayasu, Chiba, Japan

Noritaka Hashii

Affiliation Division of Biological Chemistry and Biologicals, National Institute of Health Sciences, Setagaya-ku, Tokyo, Japan

Nana Kawasaki

Affiliation Division of Biological Chemistry and Biologicals, National Institute of Health Sciences, Setagaya-ku, Tokyo, Japan

Shuichiro Endo

Affiliations Institute for Environmental and Gender-specific Medicine, Juntendo University Graduate School of Medicine, Urayasu, Chiba, Japan, Department of Obstetrics and Gynecology, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan

Kenji Takamori

Affiliation Institute for Environmental and Gender-specific Medicine, Juntendo University Graduate School of Medicine, Urayasu, Chiba, Japan

Akiko Hasegawa

Affiliation Department of Obstetrics and Gynecology, Hyogo College of Medicine, Nishinomiya, Hyogo, Japan

Hiroshi Fujiwara

Affiliation Department of Obstetrics and Gynecology, Kanazawa University Graduate School of Medical Science, Kanazawa, Ishikawa, Japan

Yoshihiko Araki

yaraki@juntendo.ac.jp

Affiliations Institute for Environmental and Gender-specific Medicine, Juntendo University Graduate School of Medicine, Urayasu, Chiba, Japan, Department of Obstetrics and Gynecology, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HY YA. Analyzed the data: HY KT AH HF YA. Wrote the paper: HY YA. Performed the Western blot and immunoprecipitation analyses: HY SE. Carried out the LC/MS analysis: NH NK.