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Combined effects of environmental chemical stress and social stress oninitiation of carcinogenesis

Research Project

Project/Area Number 19510070
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Risk sciences of radiation/Chemicals
Research InstitutionUniversity of Shizuoka

Principal Investigator

SHIMOI Kayoko  University of Shizuoka, 環境科学研究所, 教授 (10162728)

Co-Investigator(Kenkyū-buntansha) SAKAKIBARA Hiroyuki  静岡県立大学, 環境科学研究所, 助教 (20403701)
Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2008: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2007: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Keywordsストレス / 環境 / ベンツピレン / がん / 解毒代謝 / 脂質代謝 / 癌 / アポトーシス
Research Abstract

単独隔離の飼育条件によりマウス(BALB/c、5週齢)にマイルドなストレスを30日間負荷し続けると、肝臓中の脂肪酸合成に関する遺伝子の発現量が上昇、脂肪酸分解に関する遺伝子の発現量が減少し、その結果、脂肪蓄積を伴った肝肥大が誘発されることを明らかにした。一方、BaPを投与すると、ストレス負荷群では、肝臓中のDNA付加体が減少しにくいことがわかった。これらの結果より、社会的ストレス負荷時にBaPのような脂溶性の高い発がん物質が体内に取り込まれると、肝臓に蓄積して発がんのイニシエーション過程を促進する可能性が示唆された。

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • Research Products

    (14 results)

All 2009 2008 2007

All Journal Article (4 results) (of which Peer Reviewed: 4 results) Presentation (10 results)

  • [Journal Article] Isolation stress for 30 days alters hepatic gene expression profiles, especially with reference to lipid metabolism in mice2009

    • Author(s)
      Motoyama K., Nakai Y., Miyashita T., Fukui Y., Morita M., Sanmiya K., Sakakibara H., Matsumoto I., Abe K., Yagabe T., Yajima N., Shimoi K.
    • Journal Title

      Physiological Genomics 37

      Pages: 79-87

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Isolation stress for 30 days alters hepatic gene expression profiles, especially with reference to lipid metabolism in mice.2009

    • Author(s)
      K. Motoyama, Y. Nakai, T. Miyashita, Y. Fukui, M. Morita, K. Sanmiya, H. Sakakibara, I. Matsumoto, K. Abe, T. Yakabe, N. Yajima, K. Shimoi
    • Journal Title

      Physiol. Genomics 37

      Pages: 79-87

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Aryl hydrocarbon receptor-mediated effects of chlorinated polycyclic aromatic hydrocarbons.2007

    • Author(s)
      Ohura T., Morita M., Makino M., Amagai T., Shimoi K.
    • Journal Title

      Chem. Res. Toxicol. 20

      Pages: 1237-1241

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Social stress induces oxidative DNA damage in mouse peripheral blood cells2007

    • Author(s)
      Nishio Y., Nakano Y., Deguchi Y., Terato H., Ide H., Ito C., Ishida H., Takagi K., Tsuboi H., Kinae N., Shimoi K.
    • Journal Title

      Genes. and Environment. 29

      Pages: 17-22

    • NAID

      110006240239

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] 社会的ストレスが環境発がん物質の代謝遺伝子発現に及ぼす影響2009

    • Author(s)
      松井朝子, 小林章男, 林凌, 小柳顯陽, 榊原啓之, 下位香代子
    • Organizer
      富士山麓アカデミック & サイエンスフェア2009
    • Place of Presentation
      静岡
    • Year and Date
      2009-12-16
    • Related Report
      2008 Final Research Report
  • [Presentation] 社会的ストレスは肝遺伝子発現を変化させ、肥満を誘発する2009

    • Author(s)
      本山径子, 中井雄治, 三宮一宰, 松本一朗, 阿部啓子, 福井雄一郎, 矢賀部隆史, 矢嶋信浩, 鈴木敦美, 榊原啓之, 下位香代子
    • Organizer
      2009年度日本農芸化学会
    • Place of Presentation
      福岡
    • Related Report
      2008 Final Research Report
  • [Presentation] 社会的ストレスとベンゾ[a]ピレンのマウスにおける複合影響2009

    • Author(s)
      松井朝子, 小林章男, 林凌, 小柳顯陽, 榊原啓之, 下位香代子
    • Organizer
      日本環境変異原学会第38回大会
    • Place of Presentation
      静岡
    • Related Report
      2008 Final Research Report
  • [Presentation] Social Stress Alters Gene Expression of Lipid Metabolism in Mice2008

    • Author(s)
      Motoyama K., NakaiY., Miyashita T., Fukui Y., Morita M., Kobayashi A., Sanmiya K., Sakakibara H., Matsumoto K., Abe K., Yagabe A., Yajima N., Shimoi K.
    • Organizer
      Biochemistry and Molecular Biology
    • Place of Presentation
      神戸国際会議場
    • Year and Date
      2008-12-12
    • Related Report
      2008 Annual Research Report
  • [Presentation] 社会的ストレス負荷マウスの行動と肝臓における遺伝子発現の解析2008

    • Author(s)
      松井朝子, 本山径子, 榊原啓之, 鈴木敬明, 横川智史, 易強, 岡田慶雄, 下位香代子
    • Organizer
      変異機構研究会・第21回夏の学校
    • Place of Presentation
      愛知県小牧勤労センター
    • Year and Date
      2008-06-15
    • Related Report
      2008 Annual Research Report
  • [Presentation] Social Stress Alters Gene Expression of Lipid Metabolism in Mice2008

    • Author(s)
      Motoyama K., Nakai Y., Miyashita T., Fukui Y., Morita M., Kobayashi A., Sanmiya K., Sakakibara H., Matsumoto K., Abe K., Yagabe A., Yajima N., Shimoi K.
    • Organizer
      Biochemistry and Molecular Biology 2008
    • Place of Presentation
      神戸ポートアイランド
    • Related Report
      2008 Final Research Report
  • [Presentation] Social stress alters hepatic gene expression with reference to lipid metaboism and induces obesity in mice2008

    • Author(s)
      Motoyama K., Suzuki A., Sakakibara H., Lee C. Y., Kobayashi A., Matsui A., Koyanagi A., Ling L., Kinae N., Shimoi K.
    • Organizer
      1st International Conference on Health and Longevity Sciences
    • Place of Presentation
      Shizuoka, Japan
    • Related Report
      2008 Final Research Report
  • [Presentation] Chlorinated phenanthrens induce CYPIAI through aryl hydrocarbon receptor activation2007

    • Author(s)
      Morita M., Ohura T., Kuruto-Niwa R., Sakakibara H., Amagai T., and Shimoi K.
    • Organizer
      Dioxin 2007 International Symposium
    • Place of Presentation
      Hotel Okura, Tokyo
    • Year and Date
      2007-09-03
    • Related Report
      2007 Annual Research Report
  • [Presentation] Social stress increases urinary excretion of biopyrrins, oxidative metabolites of bilirubin, in mice2007

    • Author(s)
      Motoyama K., Miyashita T., Yamaguchi T., Hirabayashi S., Naito H., Ohashi N., Unno K., Sakakibara H., and Shimoi K.
    • Organizer
      2nd World Conference of Stress
    • Place of Presentation
      Budapest, Hungary
    • Year and Date
      2007-08-25
    • Related Report
      2007 Annual Research Report
  • [Presentation] HO-1遺伝子発現と尿中バイオピリンに対する社会的ストレスの影響2007

    • Author(s)
      本山径子、宮下智也、山口登喜夫、平林賢、内藤博敬、大橋典男、海野けい子、榊原啓之、下位香代子
    • Organizer
      第34回日本トキシコロジー学会学術年会
    • Place of Presentation
      タワーホール船堀(東京)
    • Year and Date
      2007-06-29
    • Related Report
      2007 Annual Research Report

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Published: 2007-04-01   Modified: 2016-04-21  

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