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Significance of oxidative stress in male infertility and exploration of new treatments

Research Project

Project/Area Number 26462459
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Urology
Research InstitutionKobe University

Principal Investigator

Chiba Koji  神戸大学, 医学部附属病院, 助教 (40533766)

Co-Investigator(Kenkyū-buntansha) 藤澤 正人  神戸大学, 医学研究科, 教授 (30243314)
松下 経  神戸大学, 医学部附属病院, 助教 (20595699)
江夏 徳寿  神戸大学, 医学研究科, 医学研究員 (30622550)
Project Period (FY) 2014-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2016: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2015: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2014: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Keywords酸化ストレス / ウロコルチン / クラステリン / 熱ストレス / 精索捻転 / 男性不妊 / 精巣虚血 / 精巣機能障害 / 運動負荷法 / ヒートショック法
Outline of Final Research Achievements

In the model group which gave heat stress to rats and artificially twisted torsion, it was possible to induce significant oxidative stress for rat testes. The lower body of the rat in the heat stress group soaked for 15 minutes in boiling water of 43 ℃, showed a decrease in testicular weight and sperm number, the apoptosis index is maximized after one day of thermal stress was shown.Furthermore, Clusterin is a chaperone protein that protects the cells from oxidative stress, it has been shown to enhance the expression over time after thermal stress.As a result of examining the testes of the torsion rat, the expression of the scale-ching which has been reported to exhibit anti-apoptosis effect on myocardial ischemia was observed in reproductive cells.

Report

(5 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Research-status Report
  • 2015 Research-status Report
  • 2014 Research-status Report
  • Research Products

    (5 results)

All 2016

All Presentation (5 results) (of which Int'l Joint Research: 1 results)

  • [Presentation] 精巣虚血-再還流障害モデルラットを用いた抗アポトーシス蛋白としてのウロコルチンの特性解析2016

    • Author(s)
      角井 健太
    • Organizer
      第61回 日本生殖医学会学術講演会・総会
    • Place of Presentation
      横浜
    • Year and Date
      2016-11-03
    • Related Report
      2016 Research-status Report
  • [Presentation] The role of urocortin in the apoptosis of germ cells after experimental testicular ischemia-reperfusion injury in the rat2016

    • Author(s)
      Kenta Sumii
    • Organizer
      American Urological Association 2016 Annual Meeting
    • Place of Presentation
      サンディエゴ
    • Year and Date
      2016-05-06
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research
  • [Presentation] 男性不妊症患者における非内分泌薬物療法の有用性の検討2016

    • Author(s)
      江夏 徳寿
    • Organizer
      第104回日本泌尿器科学会総会
    • Place of Presentation
      仙台
    • Year and Date
      2016-04-23
    • Related Report
      2016 Research-status Report
  • [Presentation] ラット精巣虚血-再還流障害に対するウロコルチンの生殖細胞保護作用についての検討2016

    • Author(s)
      角井 健太
    • Organizer
      第104回日本泌尿器科学会総会
    • Place of Presentation
      仙台
    • Year and Date
      2016-04-23
    • Related Report
      2016 Research-status Report
  • [Presentation] 男性不妊症患者における非内分泌療法の有用性の検討2016

    • Author(s)
      江夏 徳寿
    • Organizer
      第104回日本泌尿器科学会総会
    • Place of Presentation
      仙台国際センター
    • Year and Date
      2016-04-23
    • Related Report
      2015 Research-status Report

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Published: 2014-04-04   Modified: 2019-03-29  

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