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The impact of plasma homocysteine and B complex vitamins on subclinical atherosclerosis amongst community-dwelling American and Japanese men

Research Project

Project/Area Number 20590670
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Public health/Health science
Research InstitutionNational Cardiovascular Center Research Institute

Principal Investigator

OKAMURA Tomonori  National Cardiovascular Center Research Institute, 医学部, 教授 (00324567)

Co-Investigator(Renkei-kenkyūsha) UESHIMA Hirotsugu  滋賀医科大学, 医学部, 特任教授 (70144483)
KADOWAKI Takashi  滋賀医科大学, 医学部, 客員助教 (30324578)
Project Period (FY) 2008 – 2010
Project Status Completed (Fiscal Year 2010)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2010: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2009: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2008: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywordsホモシステイン / 葉酸 / 冠動脈石灰化 / 内膜中膜複合体 / 日米比較 / 酸化LDLコレステロール / 飲酒 / 生活習慣 / 多変量解析 / ビタミンB12
Research Abstract

Randomly selected community-based populations of 287 Japanese and 296 US men aged 40-49 were examined for intima-media thickness (IMT) of common carotid artery and coronary calcium in a previous survey. We measured plasma homocysteine and serum folate levels by stored blood sample. Plasma homocysteine levels are much lower in US participants than Japanese participants irrespective of more unfavorable subclinical atherosclerotic findings. Furthermore, we are not able to observe any relationship between plasma homocysteine or serum folate levels and above-mentioned subclinical atherosclerotic findings in both populations.

Report

(4 results)
  • 2010 Annual Research Report   Final Research Report ( PDF )
  • 2009 Annual Research Report
  • 2008 Annual Research Report
  • Research Products

    (12 results)

All 2011 2010 2009 Other

All Journal Article (7 results) (of which Peer Reviewed: 4 results) Presentation (4 results) Remarks (1 results)

  • [Journal Article] ホモシステイン2011

    • Author(s)
      岡村智教
    • Journal Title

      動脈硬化リスクのPro and Con.循環器内科(科学評論社) 70巻(印刷中)

    • Related Report
      2010 Final Research Report
  • [Journal Article] 動脈硬化リスクについてのPro and Con:ホモシステイン2011

    • Author(s)
      岡村智教
    • Journal Title

      循環器内科

      Volume: 70(2)(印刷中)

    • Related Report
      2010 Annual Research Report
  • [Journal Article] Cholesteryl ester transfer protein, coronary calcium, and intima-media thickness of the carotid artery in middle-age Japanese men.2009

    • Author(s)
      Okamura T, Sekikawa A, Kadowaki T, Ueshima H, 他
    • Journal Title

      Am J Cardiol 104

      Pages: 818-822

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] 日米壮年期男性の血清葉酸値、血漿ホモシステイン値と飲酒習慣の関連:Era Jump研究2009

    • Author(s)
      岡村智教、門脇崇、関川暁、上島弘嗣
    • Journal Title

      日本アルコール薬物医学会雑誌 44巻

      Pages: 350-353

    • NAID

      10025108077

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] 日米壮年期男性の血清葉酸値、血漿ホモシステイン値と飲酒習慣の関連: Era Jump研究2009

    • Author(s)
      岡村智教、門脇崇、関川暁、上島弘嗣
    • Journal Title

      日本アルコール・薬物医学会雑誌 44

      Pages: 350-353

    • NAID

      10025108077

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Cholesteryl ester transfer protein, coronary calcium, and intima-media thickness of the carotid artery in middle-age Japanese men.2009

    • Author(s)
      Okamura T, et al.
    • Journal Title

      American Journal of Cardiology 104

      Pages: 818-822

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Bundle branch block and other cardiovascular disease risk factors : US-Japan comparison2009

    • Author(s)
      Liu L, Okamura T, Kadowaki T, et al.
    • Journal Title

      International Journal of Cardiology, (2009 Jan 19., Epub ahead of print) (印刷中)

    • Related Report
      2008 Annual Research Report
  • [Presentation] oxidized low density lipoprotein cholesterol and carotid atherosclerosis in middle-aged US and Japanese men.2010

    • Author(s)
      Okamura T, Sekikawa A, Kadowaki T, Sutton-Tyrrell K, Kuller LH, Ueshima H Smoking
    • Organizer
      Asia Pacific Conference on Tobacco or Health 2010
    • Place of Presentation
      シドニー
    • Year and Date
      2010-10-07
    • Related Report
      2010 Final Research Report
  • [Presentation] Smoking, oxidized low-density lipoprotein cholesterol and carotid atherosclerosis in community-dwelling middle-aged Japanese and US men.2010

    • Author(s)
      Okamura T, Sekikawa A, Kadowaki T, et al
    • Organizer
      Asia Pacific Conference on Tobacco or Health 2010
    • Place of Presentation
      シドニー(オーストラリア)
    • Year and Date
      2010-10-06
    • Related Report
      2010 Annual Research Report
  • [Presentation] 日米壮年期男性の血清葉酸値、血漿ホモシステイン値と飲酒習慣の関連:Era Jump研究2009

    • Author(s)
      岡村智教、門脇崇、関川暁、上島弘嗣
    • Organizer
      シンポジウム.第44 回日本アルコール・薬物医学会
    • Place of Presentation
      横浜
    • Year and Date
      2009-09-08
    • Related Report
      2010 Final Research Report
  • [Presentation] 日本人を対象とした脂質異常症に関する疫学研究2009

    • Author(s)
      岡村智教
    • Organizer
      第19回日本疫学会学術総会
    • Place of Presentation
      金沢
    • Related Report
      2008 Annual Research Report
  • [Remarks]

    • URL

      http://www.ncvc.go.jp/hsp/kensinj.html

    • Related Report
      2008 Annual Research Report

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

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