Molecular mechanisms that control stress response and tissue remodeling by cardiometabolic and immune systems
Project/Area Number |
19209029
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Research Category |
Grant-in-Aid for Scientific Research (A)
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Allocation Type | Single-year Grants |
Section | 一般 |
Research Field |
Circulatory organs internal medicine
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Research Institution | The University of Tokyo |
Principal Investigator |
NAGAI Ryozo The University of Tokyo, 医学部附属病院, 教授 (60207975)
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Co-Investigator(Kenkyū-buntansha) |
MANABE Ichiro 東京大学, 医学部附属病院, 特任准教授 (70359628)
WATANABE Masafumi 東京大学, 医学部附属病院, 助教 (60360096)
前村 浩二 東京大学, 医学部附属病院, 助教 (90282649)
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Project Period (FY) |
2007 – 2009
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Project Status |
Completed (Fiscal Year 2009)
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Budget Amount *help |
¥47,580,000 (Direct Cost: ¥36,600,000、Indirect Cost: ¥10,980,000)
Fiscal Year 2009: ¥15,340,000 (Direct Cost: ¥11,800,000、Indirect Cost: ¥3,540,000)
Fiscal Year 2008: ¥15,340,000 (Direct Cost: ¥11,800,000、Indirect Cost: ¥3,540,000)
Fiscal Year 2007: ¥16,900,000 (Direct Cost: ¥13,000,000、Indirect Cost: ¥3,900,000)
|
Keywords | 心不全 / 心肥大 / メタボリックシンドローム / 転写因子 / 炎症 / 動脈硬化 / 肥満 / 免疫 / KLF5 / TLR |
Research Abstract |
To elucidate pathogenic mechanisms underlying metabolic syndrome and cardiovascular diseases, we analyzed molecular control mechanisms of cellular stress response and gene transcription by cardiovascular, metabolic and immune systems. We focused on Toll-like receptor (TLR) signaling in metabolic stress response and Kruppel-like factor (KLF) family transcription factors in stress response and tissue remodeling in cardiovascular and metabolic tissues. We found that free fatty acids induce pathologies in both cardiovascular and metabolic systems. Moreover, we found that signaling mechanisms for ER stress, TLR, and reactive oxygen species play a role in the response to free fatty acids. We also showed that cardiac fibroblasts play a pivotal role in cardiac response to pressure overload by generating cardiac fibroblast-specific K1f5 knockout mice. Furthermore, we identified IGF-1 as an essential mediator produced by cardiac fibroblasts in the cardiac response to pressure overload. In metabolic systems, we found that KLF5 is also important for β cell dysfunction and the control of appetite.
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Report
(4 results)
Research Products
(38 results)
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[Journal Article] Cardiac fibroblasts are essential for the adaptive response of the murine heart to pressure overload2010
Author(s)
Takeda N, Manabe I, Uchino Y, Eguchi K, Matsumoto S, Nishimura S, Shindo T, Sano M, Otsu K, Snider P, Conway SJ, Nagai R.
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Journal Title
J Clin Invest 120
Pages: 254-265
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[Journal Article] A Nanoparticle System Specifically Designed to Deliver Short Interfering RNA Inhibits Tumor Growth In vivo2009
Author(s)
Yagi N, Manabe I, Tottori T, Ishihara A, Ogata F, Kim JH, Nishimura S, Fujiu K, Oishi Y, Itaka K, Kato Y, Yamauchi M, Nagai R.
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Journal Title
Cancer Res 69
Pages: 6531-6538
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[Journal Article] CD8+ effector T cells contribute to macrophage recruitment and adipose tissue inflammation in obesity2009
Author(s)
Nishimura S, Manabe I, Nagasaki M, Eto K, Yamashita H, Ohsugi M, Otsu M, Hara K, Ueki K, Sugiura S, Yoshimura K, Kadowaki T, Nagai R.
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Journal Title
Nat Med 15
Pages: 914-920
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[Journal Article]2009
Author(s)
Nagai R
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Journal Title
The Biology of Kruppel-like Factors(Springer)
Pages: 3-18
Related Report
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[Journal Article] In vivo imaging in mice reveals local cell dynamics and inflammation in obese adipose tissue2008
Author(s)
Nishimura S, Manabe I, Nagasaki M, Seo K, Yamashita H, Hosoya Y, Ohsugi M, Tobe K, Kadowaki T, Nagai R, Sugiura S.
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Journal Title
J Clin Invest 118
Pages: 710-721
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[Journal Article] Kruppel-like factor 5 causes cartilage degradation through transactivation of matrix metalloproteinase 92008
Author(s)
Shinoda Y, Ogata N, Higashikawa A, Manabe I, Shindo T, Yamada T, Kugimiya F, Ikeda T, Kawamura N, Kawasaki Y, Tsushima K, Takeda N, Nagai R, Hoshi K, Nakamura K, Chung UI, Kawaguchi H.
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Journal Title
J Biol Chem 283
Pages: 24682-24689
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[Journal Article] Genetic variations of Mrf-2/ARID5B confer risk of coronary atherosclerosis in the Japanese population2008
Author(s)
Wang G, Watanabe M, Imai Y, Hara K, Manabe I, Maemura K, Horikoshi M, Kohro T, Amiya E, Sugiyama T, Fujita T, Kadowaki T, Yamazaki T, Nagai R.
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Journal Title
Int Heart J 49
Pages: 313-327
NAID
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[Journal Article] Adipogenesis in obesity requires close interplay between differentiating adipocytes, stromal cells, and blood vessels2007
Author(s)
Nishimura S, Manabe I, Nagasaki M, Hosoya Y, Yamashita H, Fujita H, Ohsugi M, Tobe K, Kadowaki T, Nagai R, Sugiura S.
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Journal Title
Diabetes 56
Pages: 1517-1526
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[Journal Article] Thrombomodulin is a clock-controlled gene in vascular endothelial cells2007
Author(s)
Takeda N, Maemura K, Horie S, Oishi K, Imai Y, Harada T, Saito T, Shiga T, Amiya E, Manabe I, Ishida N, Nagai R.
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Journal Title
J Biol Chem 282
Pages: 32561-32567
Related Report
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[Journal Article] Acyclic retinoid inhibits neointima formation through retinoic acid receptor beta-induced apoptosis2007
Author(s)
Kada N, Suzuki T, Aizawa K, Matsumura T, Ishibashi N, Suzuki N, Takeda N, Munemasa Y, Sawaki D, Ishikawa T, Nagai R.
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Journal Title
Arterioscler Thromb Vasc Biol 27
Pages: 1535-1541
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