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Enhancement of fertility by using seminal proteins with an activity to normalize uterine function

Research Project

Project/Area Number 16H05032
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Veterinary medical science
Research InstitutionHokkaido University

Principal Investigator

Katagiri Seiji  北海道大学, 獣医学研究院, 教授 (00292061)

Co-Investigator(Kenkyū-buntansha) 柳川 洋二郎  北海道大学, 獣医学研究院, 助教 (20609656)
藤井 貴志  地方独立行政法人北海道立総合研究機構, 農業研究本部畜産試験場, 研究職員 (60609105)
Project Period (FY) 2016-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥16,510,000 (Direct Cost: ¥12,700,000、Indirect Cost: ¥3,810,000)
Fiscal Year 2018: ¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2017: ¥6,240,000 (Direct Cost: ¥4,800,000、Indirect Cost: ¥1,440,000)
Fiscal Year 2016: ¥6,110,000 (Direct Cost: ¥4,700,000、Indirect Cost: ¥1,410,000)
Keywords乳牛 / 不妊症 / 子宮 / 精漿 / 不妊 / 牛 / 上皮成長因子 / 受胎性回復 / リピートブリーダー / 代謝因子 / 治療 / 代謝
Outline of Final Research Achievements

We have identified an protein that could normalize the epidermal growth factor (EGF) profile and restore fertility in repeat breeder cows. We developed a treatment protocol with the identified protein and obtained a similar conception rate to the fertile controls. Further, seminal plasma changed expression of cytokines in the lymph nodes when the normal EGF profile was restored in the repeat breeder cows. In obese Japanese Black with an EGF abnormality, a reduction of glucose tolerance and an increase in testosterone levels were found in association with this type of infertility. We also estimated the economic impact of this abnormality and its treatment.

Academic Significance and Societal Importance of the Research Achievements

本研究は、乳牛全体の約5%に見られる子宮での上皮成長因子濃度異常による不妊症への対策を行うものであり、同異常を解消する効果を持つ精液中の蛋白質を同定し、これを用いて子宮機能を正常化し、受胎性を回復させる治療プロトコールを開発した。また、この病態の予防につながる代謝および内分泌的な背景を明らかにした。さらに、経済的試算によりこの異常が解消されれば90頭の搾泌乳牛を飼養するモデル農場において年間約180万円の経済効果があることを明らかにした。

Report

(4 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Annual Research Report
  • 2016 Annual Research Report
  • Research Products

    (18 results)

All 2018 2017 2016 Other

All Int'l Joint Research (7 results) Journal Article (10 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 9 results,  Open Access: 8 results,  Acknowledgement Compliant: 1 results) Presentation (1 results) (of which Invited: 1 results)

  • [Int'l Joint Research] ブリティッシュ・コロンビア大学(カナダ)

    • Related Report
      2018 Annual Research Report
  • [Int'l Joint Research] ウプサラ大学(スウェーデン)

    • Related Report
      2018 Annual Research Report
  • [Int'l Joint Research] ハノーバー大学(ドイツ)

    • Related Report
      2018 Annual Research Report
  • [Int'l Joint Research] 産婦人科/体外受精ラボ(カナダ)

    • Related Report
      2017 Annual Research Report
  • [Int'l Joint Research] ハノーバー大学(ドイツ)

    • Related Report
      2016 Annual Research Report
  • [Int'l Joint Research] ブリティッシュ・コロンビア大学(カナダ)

    • Related Report
      2016 Annual Research Report
  • [Int'l Joint Research] ウプサラ大学(スウェーデン)

    • Related Report
      2016 Annual Research Report
  • [Journal Article] Effects of pre-maturational culture duration on developmental competence of bovine small-sized oocytes2018

    • Author(s)
      Abdel-Ghani MA, Sakaguchi K, Kanno C, Yanagawa Y, Katagiri S, Nagano M
    • Journal Title

      J Reprod Dev

      Volume: 64 Pages: 365-369

    • NAID

      120006491453

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Relationship between bovine endometrial thickness and plasma progesterone and estradiol concentrations in natural and induced estrus2018

    • Author(s)
      Sugiura T, Akiyoshi S, Inoue F, Yanagawa Y, Moriyoshi M, Tajima M, Katagiri S.
    • Journal Title

      J Reprod Dev

      Volume: 64 Pages: 135-143

    • NAID

      130006699701

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] 牛の受精卵の着床過程と早期胚死滅「続・新しい牛の繁殖」2018

    • Author(s)
      片桐成二
    • Journal Title

      臨床獣医 臨時増刊号

      Volume: 36 Pages: 82-89

    • Related Report
      2018 Annual Research Report
  • [Journal Article] Evaluation of the chemiluminescent enzyme immunoassay system for the measurement of testosterone in the serum and whole blood of stallions2018

    • Author(s)
      Toishi Y, Tsunoda N, Nagata S, Kirisawa R, Nagaoka K, Watanabe G, Yanagawa Y, Katagiri S, Taya K
    • Journal Title

      J Reprod Deve

      Volume: 64 Pages: 41-47

    • NAID

      130006405023

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Relationship betweenbovine endometrial thickness and plasma progesterone and estradiol concentrations in natural and induced estrus2018

    • Author(s)
      Sugiura T, Akiyoshi S, Inoue F, Yanagawa Y, Moriyoshi M, Tajima M, Katagiri S
    • Journal Title

      J Reprod Dev

      Volume: 64 Pages: 135-143

    • NAID

      130006699701

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Effect of semen preeservation procedure in egg york-tris based extender on bull spermatozoa characteristic2017

    • Author(s)
      Kanno C, Yanagawa Y, Takahashi Y, Katagiri S, Nagano M
    • Journal Title

      Jpn J Vet Res

      Volume: 65 Pages: 151-157

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Extension of the culture period for the in vitro growth of bovine oocytes in the presence of bone morphogenetic protein-4 increases oocyte diameter, but impairs subsequent developmental competence2017

    • Author(s)
      Yang, Y., Kanno, C., Sakaguchi, K., Yanagawa, Y., Katagiri, S. and Nagano, M.
    • Journal Title

      Animal Science Journal

      Volume: 88 Issue: 11 Pages: 1686-1691

    • DOI

      10.1111/asj.12841

    • NAID

      120006539247

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] A transvaginal endoscopy-based technique for performing ovarian examinations in sows2017

    • Author(s)
      Okuyama M, Sugiura T. Moriyoshi M, Yamashita K, Tamura J, Katagiri S
    • Journal Title

      J Reprod Dev

      Volume: 63 Pages: 617-622

    • NAID

      130006250264

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] 普及と研究が連携した受胎率向上技術の経済効果試算方法2017

    • Author(s)
      山岸修一、藤井貴志、森安悟、陰山聡一、平山博樹、片桐成二
    • Journal Title

      農業普及研究

      Volume: 43 Pages: 1-7

    • NAID

      40021153261

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Endometrial epidermal growth factor profile and its abnormalities in dairy cows2016

    • Author(s)
      Katagiri S, Moriyoshi M, Yanagawa Y
    • Journal Title

      Journal of Reproduction and Development

      Volume: 62 Pages: 465-470

    • NAID

      130005431264

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Presentation] 牛の子宮内膜機能調節因子の発現異常とその背景にある内分泌および代謝因子の変化2016

    • Author(s)
      片桐成二
    • Organizer
      第159回日本獣医学会学術集会
    • Place of Presentation
      日本大学生物資源科学部、藤沢市
    • Year and Date
      2016-09-07
    • Related Report
      2016 Annual Research Report
    • Invited

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Published: 2016-04-21   Modified: 2022-10-26  

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