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The analysis of molecular mechanism of the precipitation/inhibition of uterine endometrial epithelial cell proliferation by SERM

Research Project

Project/Area Number 22791513
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Obstetrics and gynecology
Research InstitutionYamagata University

Principal Investigator

AMITA Mitsuyoshi  山形大学, 医学部, 助教 (30420061)

Project Period (FY) 2010 – 2011
Project Status Completed (Fiscal Year 2011)
Budget Amount *help
¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2011: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2010: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
KeywordsSERM / 子宮内膜上皮 / 増殖効果
Research Abstract

Clomiphene citrate (CC), which has been used for anovulatory infertile women, is thought to be a selective estrogen receptor modulator (SERM). Although CC will restore ovulation in about 80% of anovulatory women, it will result in pregnancy in only about 20~30%. This discrepancy between ovulation and pregnancy success rates may be explained by the peripheral anti-estrogenic effects of CC at the level of the endometrium. However, the molecular mechanisms how CC acts to inhibit the endometrial cell proliferation are still remains to be elusive. We investigated the molecular mechanisms by which CC inhibits the estrogen (E2)-induced endometrial epithelial cell proliferation and CC may inhibit the E2-induced endometrial epithelial cell proliferation and ERα transactivation through inhibiting the recruitment of SRC-1 to ERα.

Report

(3 results)
  • 2011 Annual Research Report   Final Research Report ( PDF )
  • 2010 Annual Research Report
  • Research Products

    (6 results)

All 2011 2010

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (3 results) Book (1 results)

  • [Journal Article] Bezafibrate restores the inhibition of FSH-induced follicular development and steroidogenesis by tumor necrosis factor-alpha through peroxisome proliferator-activated receptor-gamma pathway in an in vitro mouse preantral follicle culture2011

    • Author(s)
      Hara S, Takahashi T, Amita M, Igarashi. H, Tsutsumi S, Kurachi. H
    • Journal Title

      Biol Reprod

      Volume: 85(5) Pages: 895-906

    • Related Report
      2011 Final Research Report
    • Peer Reviewed
  • [Journal Article] Usefulness of bezafibrate for ovulation induction in clomiphene citrate-resistant polycystic ovary syndrome patients with dyslipidemia a prospective pilot study of seven cases2010

    • Author(s)
      Hara. S, Takahashi. T, Amita. M, Igarashi. H, Kurachi. H
    • Journal Title

      Gynecol Obstet Invest

      Volume: 70 Pages: 166-72

    • Related Report
      2011 Final Research Report
    • Peer Reviewed
  • [Presentation] FP-ERαを用いた子宮内膜細胞におけるエストロゲン・抗エストロゲン作用の可視化2010

    • Author(s)
      網田光善, 高橋俊文, 原周一郎, 五十嵐秀樹, 倉智博久
    • Organizer
      第55回日本生殖医学会総会・学術講演会
    • Place of Presentation
      徳島市あわぎんホール
    • Year and Date
      2010-11-11
    • Related Report
      2011 Final Research Report
  • [Presentation] FP結合ERαを用いた子宮内膜細胞におけるエストロゲン・抗エストロゲン作用の可視化2010

    • Author(s)
      網田光善, 高橋俊文, 原周一郎, 五十嵐秀樹, 倉智博
    • Organizer
      第62回日本産科婦人科学会学術講演会
    • Place of Presentation
      東京国際フォーラム
    • Year and Date
      2010-04-23
    • Related Report
      2011 Final Research Report
  • [Presentation] GFP結合ERαを用いた子宮内膜細胞におけるエストロゲン・抗エストロゲン作用の可視化2010

    • Author(s)
      網田光善
    • Organizer
      第62回日本産科婦人科学会学術講演会
    • Place of Presentation
      東京国際フォーラム
    • Year and Date
      2010-04-23
    • Related Report
      2010 Annual Research Report
  • [Book] クエン酸クロミフェンによる子宮内膜増殖抑制作用の分子機構.産婦人科の実際2010

    • Author(s)
      網田光善, 高橋俊文, 倉智博久
    • Related Report
      2011 Final Research Report

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Published: 2010-08-23   Modified: 2016-04-21  

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