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Publication


Featured researches published by K. Koga.


International Journal of Gynecology & Obstetrics | 2005

Dysmenorrhea in Japanese women

Yutaka Osuga; Kunihiko Hayashi; Y. Kobayashi; S. Tokyokawa; Mikio Momoeda; K. Koga; Osamu Yoshino; Osamu Tsutsumi; Hiroshi Hoshiai; Naoki Terakawa; Yuji Taketani

A third of Japanese women suffer from dysmenorrhea that requires analgesics, and the prevalence of dysmenorrhea generally shows inverse relationships with parity and age.


Surgical Endoscopy and Other Interventional Techniques | 2004

Usefulness of epidural anesthesia in gynecologic laparoscopic surgery for infertility in comparison to general anesthesia.

K. Kuramochi; Yutaka Osuga; T. Yano; Mikio Momoeda; Toshihiro Fujiwara; Osamu Tsutsumi; H. Tamai; K. Hanaoka; K. Koga; Osamu Yoshino; Yuji Taketani


Journal of Reproductive Immunology | 2018

LIGHT elevation underlies the sFlt-1 overproduction in patients with hydatidiform mole: An implication for the link between molar pregnancy and preeclampsia

Haruka Matsui; Takayuki Iriyama; Guan Wang; Midori Yoshikawa; Kaoru Niimi; Eiko Yamamoto; Tomomi Kotani; Takeshi Nagamatsu; K. Koga; Yutaka Osuga; Tomoyuki Fujii


Journal of Reproductive Immunology | 2014

The serum level of vitamin D of endometriosis patients

Mariko Miyashita; K. Koga; Miwako Nagai; Ayumi Taguchi; Fusako Sue; Tomoko Makabe; Gentaro Izumi; Masashi Takamura; Miyuki Harada; Tetsuya Hirata; Yasushi Hirota; Yutaka Osuga; Tatsuya Fujii


Journal of Reproductive Immunology | 2014

Interleukin-1β increases expression of tryptophan 2,3-dioxygenase and stimulates tryptophan metabolism in ectopic endomtetrial stromal cells

Yoko Urata; Yutaka Osuga; K. Koga; Yasushi Hirota; Tetsuya Hirata; Miyuki Harada; Masashi Takamura; Gentaro Izumi; Tatsuya Fujii


Fertility and Sterility | 2013

Interleukin-1beta increases expression of tryptophan 2,3-dioxygenase and stimulates tryptophan metabolism in ectopic endometrial stromal cells

Yoko Urata; Yutaka Osuga; K. Koga; Yasushi Hirota; Tetsuya Hirata; Tatsuya Fujii


Journal of Reproductive Immunology | 2012

Peritoneal dendrtic cells phagocyte retrograde menstrual endometrial cells and contribute to the progress of endometriosis

Gentaro Izumi; K. Koga; Yutaka Osuga; Miwako Nagai; Shiro Kozuma; Yuji Taketani


Journal of Reproductive Immunology | 2012

An essential role for dendritic cells in ovarian cycle

Miwako Nagai; K. Koga; Yutaka Osuga; Gentaro Izumi; Miyuki Harada; Osamu Yoshino; Shiro Kozuma; Yuji Taketani


Journal of Reproductive Immunology | 2010

Lipiodol alters the population of dendritic cells and regulatory T cells in the peritoneal cavity

Gentaro Izumi; Masashi Takamura; K. Koga; Yutaka Osuga; Yuji Taketani


Journal of Reproductive Immunology | 2010

Cyclic mechanical stretch augments neutrophil chemotactic chemokine and MMP production in cultured human uterine myometrial and decidual cells

Yin Zhao; K. Koga; Yutaka Osuga; Yuji Taketani

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