Combined effects of environmental chemical stress and social stress oninitiation of carcinogenesis
Project/Area Number |
19510070
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Research Category |
Grant-in-Aid for Scientific Research (C)
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Allocation Type | Single-year Grants |
Section | 一般 |
Research Field |
Risk sciences of radiation/Chemicals
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Research Institution | University 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)
Research Products
(14 results)
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[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.
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Journal Title
Physiological Genomics 37
Pages: 79-87
Related Report
Peer Reviewed
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[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
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Journal Title
Physiol. Genomics 37
Pages: 79-87
Related Report
Peer Reviewed
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[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.
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Journal Title
Genes. and Environment. 29
Pages: 17-22
NAID
Related Report
Peer Reviewed
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[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
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[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
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[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
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[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
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[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
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