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The study of the relationship between lower urinary outlet symptoms/bladder outlet obstruction and erectile dysfunction

Research Project

Project/Area Number 20791116
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Urology
Research InstitutionSapporo Medical University

Principal Investigator

TOSHIAKI Tanaka  Sapporo Medical University, 医学部, 研究員 (50398327)

Project Period (FY) 2008 – 2009
Project Status Completed (Fiscal Year 2009)
Budget Amount *help
¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2009: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2008: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Keywords勃起障害 / 下部尿路通過障害 / 下部尿路症状
Research Abstract

We employed male Sprague-Dawley rats with partial BOO as a LUTS model. Sham-operated animals were used as controls. Voiding and bladder functions of BOO rats were significantly worse than those of sham-operated animals at 4, 8 and 16 weeks after obstruction. Erectile function of BOO rats was significantly decreased compared to sham-operated animals at 16 weeks after obstruction, although it was similar to that of sham-operated animals at 4 and 8 weeks after obstruction. Endothelial nitric oxide synthase mRNA expression was significantly decreased at 16 weeks after obstruction compared to sham-operated animals. We established an animal model for study of the association of LUTS with ED. Endothelial dysfunction induced by impaired eNOS function may be involved in ED following LUTS/BOO.

Report

(3 results)
  • 2009 Annual Research Report   Final Research Report ( PDF )
  • 2008 Annual Research Report
  • Research Products

    (5 results)

All 2009 2008

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

  • [Journal Article] Aging males' symptoms(AMS)スコアの因子分析2009

    • Author(s)
      小林皇、加藤隆一、橋本浩平、久末伸一、山下慎一、田中俊明、前田俊浩、福多史昌、舛森直哉、伊藤直樹、広瀬崇興、森満、塚本泰司
    • Journal Title

      泌尿器科紀要 55

      Pages: 475-478

    • NAID

      120001609397

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] Aging males' symptoms(AMS)スコアの因子分析2009

    • Author(s)
      小林皇, ら
    • Journal Title

      泌尿器科紀要 55

      Pages: 475-478

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Inhibition of seminal emission is the main cause of anejaculation induced by a new highly selective α1Ablockertr in normal volunteers2008

    • Author(s)
      Kobayashi K
    • Journal Title

      Journal of Sexual Medicine 5

      Pages: 2185-2190

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Presentation] 下部尿路通過障害は勃起能に影響を与えるか? -実験的モデルの作成-2008

    • Author(s)
      小林皇
    • Organizer
      第96回日本泌尿器科学会総会
    • Place of Presentation
      横浜市
    • Related Report
      2008 Annual Research Report
  • [Presentation] 下部尿路通過障害は勃起能に影響を与えるか? -実験的モデルの作成と骨盤神経節での変化の検討-2008

    • Author(s)
      小林皇
    • Organizer
      第19回日本性機能学会
    • Place of Presentation
      秋田市
    • Related Report
      2008 Annual Research Report

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Published: 2008-04-01   Modified: 2016-04-21  

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