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Clarification of the mechanisms of cardiovascular dysfunction and the resultant organ failure

Research Project

Project/Area Number 18390078
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field General pharmacology
Research InstitutionNational Cardiovascular Center Research Institute

Principal Investigator

SAWAMURA Tatsuya  National Cardiovascular Center Research Institute, Department of Vascular Physiology, National Cardiovascular Center Research Institute, Director (30243033)

Co-Investigator(Kenkyū-buntansha) MASAKI Tomoo  Tokyo Women's Medical University, 付置研究所, 特任教授 (60009991)
Project Period (FY) 2006 – 2007
Project Status Completed (Fiscal Year 2007)
Budget Amount *help
¥16,830,000 (Direct Cost: ¥14,700,000、Indirect Cost: ¥2,130,000)
Fiscal Year 2007: ¥9,230,000 (Direct Cost: ¥7,100,000、Indirect Cost: ¥2,130,000)
Fiscal Year 2006: ¥7,600,000 (Direct Cost: ¥7,600,000)
KeywordsLOX-1 / oxidized LDL / endothelial cells / atherosclerosis / thrombosis / intimal hyperplasia / 酸化LDL受容体
Research Abstract

Accumulating evidence suggests significance of the oxidized LDL receptor LOX-1 in endothelial and vascular dysfunction. In this study, we generated LOX-1 KO mice to address the role of LOX-1 in atherosclerotic diseases. With the KO mice, we obtained following results. (1) LOX-1 KO mice were resistant to the suppressive effects of oxidized LDL on endothelium-dependent relaxation. (2) Atherosclerosis induced by high fat diet was delayed in LOX-1 KO mice compared with wild type mice in both C57BL/6 and LDLRKO-C57BL/6 background. (3) Myocardial infarction and cardiac remodeling induced by LASD ligation was suppressed and cardiac function was relatively preserved in LOX-1 KO mice compared with wild type. (4) Both platelet aggregation in vitro and FeC12-induced thrombosis in vivo were suppressed in LOX-1 KO mice compared with wild type. Thus, we have demonstrated that LOX-1 aggravates every phase of atherosclerotic diseases, i.e. endothelial dysfunction, atherosclerosis, thrombosis, and myocardial infarction.

Report

(3 results)
  • 2007 Annual Research Report   Final Research Report Summary
  • 2006 Annual Research Report
  • Research Products

    (45 results)

All 2008 2007 2006

All Journal Article (37 results) (of which Peer Reviewed: 18 results) Presentation (8 results)

  • [Journal Article] LOX-1 abrogation reduces myocardial ischemia-reperfusion injury in mice.2008

    • Author(s)
      Hu, C., Chen, J., Dandapat, A., Fujita, Y., Inoue, N., Kawase, Y., Jishage, K., Suzuki, H., Li, D., Hermonat, P.L., Sawamura, T.and Mehta, J.L.
    • Journal Title

      J Mol Cell Cardiol 44

      Pages: 76-83

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Journal Article] Electronegative LDL circulating in smokers impairs endothehal progenitor cell differentiation by inhibiting Akt phosphorylation via LOX-1.2008

    • Author(s)
      Tang, D., Lu, J., Walterscheid, J.P., Chen, H.H., Engler, D.A., Sawamura, T., Chang, P. Y., Safi, H.J., Yang, C.Y. and Chen, C.H.
    • Journal Title

      J Lipid Res 49

      Pages: 33-47

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Journal Article] Importance of forkhead transcription factor Fkh 118 for development of testicular vasculature.2008

    • Author(s)
      Sato, Y., Baba, T., Zubair, M., Miyabayashi, K., Toyama, Y., Maekawa, M., Owaki, A., Mizusaki, H., Sawamura, T., Toshimori, K., Morohashi, K.I. and Katoh-Fukui, Y.
    • Journal Title

      Mol Reprod Dev (in press)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Journal Article] Deletion of LOX-1 reduces atherogenesis in LDLR knockout mice fed high cholesterol diet.2007

    • Author(s)
      Mehta, J.L.
    • Journal Title

      Circ Res 100

      Pages: 281-290

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
    • Peer Reviewed
  • [Journal Article] Modulation of ADP-induced platelet activation by aspirin and pravastatin: role of lectin-like oxidized low-density lipoprotein receptor-1, nitric oxide, oxidative stress, and inside-out integrin signaling.2007

    • Author(s)
      Marwali, M.R.,
    • Journal Title

      J Pharmacol Exp Ther 322

      Pages: 1634-1642

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
    • Peer Reviewed
  • [Journal Article] Lectin-like oxidized LDL receptor-1 as extracellular chaperone receptor: Its versatile functions and human diseases.2007

    • Author(s)
      Inoue, N
    • Journal Title

      Methods 43

      Pages: 218-222

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
    • Peer Reviewed
  • [Journal Article] LOX-1 deletion alters signals of myocardial remodeling immediately after ischemia-reperfusion.2007

    • Author(s)
      Hu, C.
    • Journal Title

      Cardiovasc Res 76

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Annual Research Report 2007 Final Research Report Summary
    • Peer Reviewed
  • [Journal Article] LOX-1 abrogation reduces myocardial ischemia-reperfusion injury in mice.2007

    • Author(s)
      Hu, C.
    • Journal Title

      J Mol Cell Cardiol 44

      Pages: 76-83

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Annual Research Report 2007 Final Research Report Summary
    • Peer Reviewed
  • [Journal Article] Electronegative LDL circulating in smokers impairs endothelial progenitor cell differentiation by inhibiting Akt phosphorylation via LOX-1.2007

    • Author(s)
      Tang, D.
    • Journal Title

      J Lipid Res 49

      Pages: 33-47

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Annual Research Report 2007 Final Research Report Summary
    • Peer Reviewed
  • [Journal Article] Determination of LOX-1-ligand activity in mouse plasma with a chicken monoclonal Antibody for ApoB.2007

    • Author(s)
      Sato, Y
    • Journal Title

      Mol Reprod Dev 49

      Pages: 33-47

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
    • Peer Reviewed
  • [Journal Article] Possible involvement of the oxidized low-density lipoprotein/lectin-like oxidized low-density lipoprotein receptor-1 system in pathogenesis and progression of human osteoarthritis.2007

    • Author(s)
      Akagi, M., Kanata, S., Mori, S., Itabe, H., Sawamura, T. and Hamanishi, C.
    • Journal Title

      Osteoarthritis Cartlage 15

      Pages: 281-290

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Journal Article] Deletion of LOX-1 reduces atherogenesis in LDLR knockout mice fed high cholesterol diet.2007

    • Author(s)
      Mehta, J. L., Sanada, N., Hu, C.P., Chen, J., Dandapat, A., Sugawara, F., Satoh, H., Inoue, K., Kawase, Y., Jishage, K., Suzuki, H., Takeya, M., Schnackenberg, L., Beger, R., Hermonat, P. L., Thomas, M. and Sawamura, T.
    • Journal Title

      Circ Res 100

      Pages: 1634-1642

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Journal Article] Modulation of ADP-induced platelet activation by aspirin and pravastatin : role of lectin-like oxidized low-density lipoprotein receptor-1, nitric oxide, oxidative stress, and inside-out integrin signaling.2007

    • Author(s)
      Marwali, M.R., Hu, C.P., Mohandas, B., Dandapat, A., Deonikar, P., Chen, J., Cawich, I., Sawamura, T., Kavdia, M. and Mehta, J.L.
    • Journal Title

      J Pharmacol Exp Ther 322

      Pages: 1324-1332

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Journal Article] Lectin-like oxidized LDL receptor-1 as extracellular chaperone receptor : Its versatile functions and human diseases.2007

    • Author(s)
      Inoue, N. and Sawamura, T.
    • Journal Title

      Methods 43

      Pages: 218-222

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Journal Article] LOX-1 deletion alters signals of myocardial remodeling immediately after ischemia-reperfuision.2007

    • Author(s)
      Hu, C., Dandapat, A., Chen, J., Fujita, Y., Inoue, N., Kawase, Y., Jishage, K., Suzuki, H., Sawamura, T. and Mehta, J.L.
    • Journal Title

      Cardiovasc Res 76

      Pages: 292-302

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Journal Article] Deletion of LOX-1 reduces atherogenesis in LDLR knockout mice fed high cholesterol diet.2007

    • Author(s)
      Mehta, J. L.
    • Journal Title

      Circ Res 100

      Pages: 281-290

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Modulation of ADP-induced platelet activation by aspirin and pravastatin : role of lectin-like oxidized low-density lipoprotein receptor-l, nitric oxide, oxidative stress, and inside-out integrin signaling.2007

    • Author(s)
      Marwali, M. R.
    • Journal Title

      J Pharmacol Exp Ther 322

      Pages: 1634-1642

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Lectin-like oxidized LDL receptor-l as extracellular chaperone receptor : Its versatile functions and human diseases.2007

    • Author(s)
      Inoue, N
    • Journal Title

      Methods 43

      Pages: 218-222

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Importance of forkhead transcription factor Fkhl18 for development of testicular vasculature.2007

    • Author(s)
      Sato, Y
    • Journal Title

      Mol Reprod Dev 49(in press)

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Oxidized low density lipoprotein impairs endothelial progenitor cells by regulation of endothelial nitric oxide synthase.2006

    • Author(s)
      Ma, F.X.
    • Journal Title

      J Lipid Res 47

      Pages: 1227-1237

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
    • Peer Reviewed
  • [Journal Article] Dominant-negative LOX-1 blocks homodimerization of wild-type LOX-1-induced cell proliferation through extracellular signal regulated kinase 1/2 activation.2006

    • Author(s)
      Tanigawa, H
    • Journal Title

      Hypertension 48

      Pages: 294-300

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary 2006 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Cyclic tensile stretch load and oxidized low density lipoprotein synergistically induce lectin-like oxidized LDL receptor-1 in cultured bovine chondrocytes, resulting in decreased cell viability and proteoglycan synthesis.2006

    • Author(s)
      Akagi, M
    • Journal Title

      J Orthop Res 24

      Pages: 1782-1790

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
    • Peer Reviewed
  • [Journal Article] Oxidized LDL binding to LOX-1 upregulates VEGF expression in cultured bovine chondrocytes through activation of PPAR-gamma.2006

    • Author(s)
      Kanata, S
    • Journal Title

      Biochem Biophys Res Commun 348

      Pages: 1003-1010

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
    • Peer Reviewed
  • [Journal Article] Low-density lipoprotein oxidized to various degrees activates ERK1/2 through LOX-1.2006

    • Author(s)
      Tanigawa, H
    • Journal Title

      Atherosclerosis 188

      Pages: 245-250

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
    • Peer Reviewed
  • [Journal Article] Antioxidants Suppress Plasma Levels of Lectinlike Oxidized Low-Density Lipoprotein Receptor-Ligands and Reduce Atherosclerosis in Watanabe Heritable Hyperlipidemic Rabbits.2006

    • Author(s)
      Oka, K
    • Journal Title

      J Cardiovasc Pharmacol 48

      Pages: 177-183

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary 2006 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Possible involvement of the oxidized low-density lipoprotein/lectin-like oxidized low-density lipoprotein receptor-1 system in pathogenesis and progression of human osteoarthritis.2006

    • Author(s)
      Akagi, M.
    • Journal Title

      Osteoarthritis Cartilage 15

      Pages: 281-290

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
    • Peer Reviewed
  • [Journal Article] Oxidized low density lipoprotein impairs endothelial progenitor cells by regulation of endothelial nitric oxide synthase.2006

    • Author(s)
      Ma, F. X., Zhou, B., Chen, Z., Ren, Q., Lu, S.H., Sawamura, T. and Han, Z. C.
    • Journal Title

      J Lipid Res 47

      Pages: 1227-1237

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Journal Article] Dominant-negative LOX-1 blocks homodimenzation of wild-type LOX-1-induced cell proliferation through extracellular signal regulated kinase 1/2 activation.2006

    • Author(s)
      Tanigawa, H., Miura, S., Matsuo, Y., Fujino, M., Sawamura, T. and Saku, K.
    • Journal Title

      Hypertension 48

      Pages: 294-300

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Journal Article] Cyclic tensile stretch load and oxidized low density lipoprotein synergistically induce lectin-like oxidized LDL receptor-1 in cultured bovine chondrocytes, resulting in decreased cell viability and proteoglycan synthesis.2006

    • Author(s)
      Akagi, M., Nishimura, S., Yoshida, K., Kakinuma, T., Sawamura, T. Munakata, H. and Hamanishi, C.
    • Journal Title

      J Orthop Res 24

      Pages: 1782-1790

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Journal Article] Oxidized LDL binding to LOX-1 upregulates VEGF expression in cultured bovine chondrocytes through activation of PPAR-gamma.2006

    • Author(s)
      Kanata, S., Akagi, M., Nishimura, S., Hayakawa, S., Yoshida, K., Sawamura, T., Munakata, H. and Hamanishi, C.
    • Journal Title

      Biochem Biophys Res Commun 348

      Pages: 1003-1010

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Journal Article] Low-density lipoprotein oxidized to various degrees activates ERK1/2 through LOX-1.2006

    • Author(s)
      Tanigawa, H., Miura, S., Zhang, B., Uehara, Y., Matsuo, Y., Fujino, M., Sawamura, T. and Saku, K.
    • Journal Title

      Atherosclerosis 188

      Pages: 245-250

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Journal Article] Antioxidants Suppress Plasma Levels of Lectinlike Oxidized Low-Density Lipoprotein Receptor-Ligands and Reduce Atherosclerosis in Watanabe Heritable Hyperlipidemic Rabbits.2006

    • Author(s)
      Oka, K., Yasuhara, M., Suzumura, K., Tanaka, K. and Sawamura, T.
    • Journal Title

      J Cardiovasc Pharmacol 48

      Pages: 177-183

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Journal Article] Oxidized low density lipoprotein impairs endothelial progenitor cells by regulation of endothelial nitric oxide synthase2006

    • Author(s)
      Ma, F.X.
    • Journal Title

      J Lipid Res 47

      Pages: 1227-1237

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Cyclic tensile stretch load and oxidized low density lipoprotein synergistically induce lectin-like oxidized LDL receptor-1in cultured bovine chondrocytes, resulting in decreased cell viability and proteoglycan synthesis.2006

    • Author(s)
      Akagi, M
    • Journal Title

      J Orthop Res 24

      Pages: 1782-1790

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Oxidized LDL binding to LOX-1upregulates VEGF expression in cultured bovine chondrocytes through activation of PPAR-gamma.2006

    • Author(s)
      Kanata, S
    • Journal Title

      Biochem Biophys Res Commun 348

      Pages: 1003-1010

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Low-density lipoprotein oxidized to various degrees activates ERK1/2 through LOX-12006

    • Author(s)
      Tanigawa, H
    • Journal Title

      Atherosclerosis 188

      Pages: 245-250

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Possible involvement of the oxidized low-density lipoprotein/lectin-like oxidized low-density lipoprotein receptor-1 system in pathogenesis and progression of human osteoarthritis.2006

    • Author(s)
      Akagi, M
    • Journal Title

      Osteoarthritis Cartilage 15

      Pages: 281-290

    • Related Report
      2006 Annual Research Report
  • [Presentation] 血栓形成過程におけるLOX-1の意義2008

    • Author(s)
      乙井 一典
    • Organizer
      第81回日本薬理学会年会
    • Place of Presentation
      パシフィコ横浜
    • Year and Date
      2008-03-18
    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Annual Research Report 2007 Final Research Report Summary
  • [Presentation] 動脈硬化初期病変としての血管内脂肪沈着におけるLOX-1の意義 -SHRSPラットを用いた検討-2008

    • Author(s)
      井上 信孝
    • Organizer
      第81回日本薬理学会年会
    • Place of Presentation
      パシフィコ横浜
    • Year and Date
      2008-03-17
    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Presentation] ニワトリ抗ApoB抗体によるマウス血中のLOX-1リガンド活性測定.2008

    • Author(s)
      佐藤 優子
    • Organizer
      第81回日本薬理学会年会
    • Place of Presentation
      パシフィコ横浜
    • Year and Date
      2008-03-17
    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Annual Research Report 2007 Final Research Report Summary
  • [Presentation] 動脈硬化初期病変としての血管内脂肪沈着におけるLOX-1の意義-SHRSPラットを用いた検討-2008

    • Author(s)
      井上 信孝
    • Organizer
      第81回日本薬理学会年会
    • Place of Presentation
      パシフィコ横浜
    • Year and Date
      2008-03-17
    • Related Report
      2007 Annual Research Report
  • [Presentation] LOX-1 is Involved in high fat diet-induced arterial lipid-deposition in SHR-SP.2007

    • Author(s)
      沢村 達也
    • Organizer
      13th World Congress on Heart Disease
    • Place of Presentation
      The Hyatt Regency Vancouver
    • Year and Date
      2007-07-30
    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Annual Research Report 2007 Final Research Report Summary
  • [Presentation] LOX-1 is Involved in high fat diet-induced arterial lipid-deposition in SHR-SP.2007

    • Author(s)
      Tatsuya Sawamura
    • Organizer
      3th World Congress on Heart Disease
    • Place of Presentation
      The Hyatt Regency Vancouver
    • Year and Date
      2007-07-30
    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Presentation] LOX-1 as a potential therapeutic target for cardiovascular disease.2007

    • Author(s)
      沢村 達也
    • Organizer
      XIX World Congress of the ISHR
    • Place of Presentation
      Palazzo della Cultura e dei Congressi
    • Year and Date
      2007-06-23
    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Presentation] LOX-1 as a potential therapeutic target for cardiovascular disease.2007

    • Author(s)
      沢村 達也
    • Organizer
      X IX World Congress of the ISHR
    • Place of Presentation
      Palazzo della Cultura e dei Congressi
    • Year and Date
      2007-06-23
    • Related Report
      2007 Annual Research Report

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Published: 2006-04-01   Modified: 2016-04-21  

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