• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to previous page

Stabiligation of vulnerable plaque by gene transter.

Research Project

Project/Area Number 08457215
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Circulatory organs internal medicine
Research InstitutionJichi Medical School

Principal Investigator

SHIMADA Kazuyuki  Jichi Medical School, Professer, 医学部, 教授 (90145128)

Co-Investigator(Kenkyū-buntansha) IROKAWA Masahiko  Jichi Medical School, Lecturer, 医学部, 助手 (80296087)
TAKAHASHI Masafumi  Jichi Medical School, Lecturer, 医学部, 助手 (40296108)
FUJIKAWA Hideyuki  Jichi Medical School, Assistant, 医学部, 講師 (00238544)
IKEDA Uichi  Jichi Medical School, Associated Professor, 医学部, 助教授 (30221063)
小口 朝彦  自治医科大学, 医学部, 助手 (10233488)
西永 正典  自治医科大学, 医学部, 助手 (50265245)
Project Period (FY) 1996 – 1998
Project Status Completed (Fiscal Year 1998)
Budget Amount *help
¥7,900,000 (Direct Cost: ¥7,900,000)
Fiscal Year 1998: ¥1,400,000 (Direct Cost: ¥1,400,000)
Fiscal Year 1997: ¥2,000,000 (Direct Cost: ¥2,000,000)
Fiscal Year 1996: ¥4,500,000 (Direct Cost: ¥4,500,000)
Keywordsvasular endothelial growth factor / endothelial cell / adeno-associated virus vectors / cardiac cell / nitric oxide synthase / gene transfer / 血管
Research Abstract

Backgrounds and Aims. We have previously reported that Adeno-associated virus (AAV) vectors can efficiently transduce vasular and cardiac cells. The purposes of this study are to investigate whether AAV-mediated endothelial constitutive nitric oxide synthase (ecNOS) or vasular endothelial growth factor (VEGF) genes transfer could modulate the vasoconstrictive response and promote regeneration of endothelial cells, respectively.
Methods. We produced ecNOS- and VEGE-expressing AAV vectors (AAV-ecNOS and AAV-VEGF). (1) Excised rat aortas were incubated with medium containing AAV-ecNOS.Expression of ecNOS in aortic segments were evaluated by immunohistochemical staining. Isometric tension of aortic segments transduced with AAV-ecNOS was also measured.
(2) Cultured neonatal rat cardiac myocytes were incubated with AAV-VEGF.VECK expression was analysed by immunoblotting and immunohistochemical staining. Concentration of VEGF' in the cultured medium was measured by ELISA.Human umbilical vein en … More dothelial cells (HUVEC) proliferation was measured by thyinidine incorporation.
Results. (1) The vasoconstrictive response induced by 30 mM KCl was enhanced in endothelium(EC)-denuded aortic segments compared with intact aortic segments. However, in BC-denuded aortic segments transduced with AAV-ecNOS, there was no enhancement of vasoconstrictive response, and the isometric tension of the vessel in response to 30mM KCl returned to the level of intact aortic segments. This effect of ecNOS gene transfer was abolished in the presence of 1mM L-NMMA.(2) Immunoblotting revealed VECF protein expression in transduced cardiac myocytes. Immunohistochemical staining using a VEGF antibody demonstrated that about 60% of cardiac myocytes were stained positively. Concentration of VEGF in the cultured medium increased in a multipecities of infection-dependent manner and reached upto 10 ng/ml. Thymidine incorporation into HUVEC was significantly increased (601.5% of control) by the conditioned medium from transduced cardiac myocytes. This increased thymidine uptake was inhibited in the presense of a VEGF-neutralizing antibody.
Conclusions. ecNOS gene transfer using AAV vectors abolished the pathological enhancement of vasoconstrictive response of EC-denuded aortic segments. This finding suggest that ecNOS gene transfer into vascular structures using AAV vectors may be a feasible approach for gene therapy of vasospastic and atherosclerotic vascular diseases. AAV-mediated VEGF gene transfer into cardiac myocytes induced functional VEGF secretion resulting HUVEC proliferation. Thus VBGF gene transfer into the myocardium might be useful for endothelial regeneration therapy. These gene transfer approaches might be useful to stabilize the unstable plaque. Less

Report

(4 results)
  • 1998 Annual Research Report   Final Research Report Summary
  • 1997 Annual Research Report
  • 1996 Annual Research Report
  • Research Products

    (30 results)

All Other

All Publications (30 results)

  • [Publications] Maeda Y: "Gene transfer into vascular cells using adeno-associated virus(AAV) vectors." Cardiovascular Research. 35. 514-521 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] Murakami Y: "Promoter of mDMAHP/Six5 : differential utilization of multiple transcription initiation sites and positive/negative regulatory elements." Human Molecular Genetics. 7. 2103-2112 (1998)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] Mano H: "Grb10/GrbIR as an in vivo substrate of tec tyrosine kinase." Genes to Cells. 3. 431-441 (1998)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] Ikeda U: "Inducible nitric oxide synthase and atherosclerosis." Clin Cardiol. 21. 473-476 (1998)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] Ikeda U: "Monocyte-vascular smooth muscle cell interaction enhances nitric oxide." Cardiovascular Research. 37. 820-825 (1998)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] Kurosaki.K: "Effects of vesnarinone on nitric oxide synthesis in rat cardiac myocytes." Cardiovascular Research. 38. 192-197 (1998)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] Maeda Y: "Gene transfer into vascular cells using adeno-associated virus (AAV) vectors." Cardiovascular Research. 35. 514-521 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] Murakami Y: "Promoter of mDMAHP/Six5 : differential utilization of multiple transcription initiation sites and positive/negative regulatory elements." Human Molecular Genetics. 7. 210-2112 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] Mano H: "Grb10/GrbIR as an in vivo substrate of tec tyrosine kinase." Genes to Cells. 3. 431-441 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] Ikeda U: "Inducible nitric oxide synthase and atherosclerosis." Clin Cardiol. 21. 473-476 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] Ikeda U: "Monocyte-vascular smooth muscle cell interaction enhances nitric oxide." Cardiovascular Research. 37. 820-825 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] Kurosaki K: "Effects of vesnarinone on nitric oxide synthesis in rat cardiac myocytes." Cardiovascular Research. 38. 192-197 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] Maeda Y,at el: "Gene transfer into vascular cells using adeno associated virus(AAV) vectors." Cardiovascular Research. 35. 514-521 (1997)

    • Related Report
      1998 Annual Research Report
  • [Publications] Murakami Y,at el: "Promoter of mDMAHP/Six5: differential utilization of multiple transcription initiation sites and positive/negative regulatory elements." Humman Molecular Genetics. 7. 2103-2112 (1998)

    • Related Report
      1998 Annual Research Report
  • [Publications] Mano H,at el: "Grb10/GrbIR as an in vivo substrate of tec tyrosine kinase." Genes to Cells. 3. 431-441 (1998)

    • Related Report
      1998 Annual Research Report
  • [Publications] Ikeda U,at el: "Inducible nitric oxide synthase and atherosclerosis." Clin Cardiol. 21. 473-476 (1998)

    • Related Report
      1998 Annual Research Report
  • [Publications] Ikeda U,at el: "Monocyte-vascular smooth muscle cell interaction enhances nitric oxide." Cardiovascular Research. 37. 820-825 (1998)

    • Related Report
      1998 Annual Research Report
  • [Publications] Kurosaki K,at el: "Effects of vesnarinone on nitric oxide synthesis in rat cardiac myocytes." Cardiovascular Research. 38. 192-197 (1998)

    • Related Report
      1998 Annual Research Report
  • [Publications] Ikeda U, Shimada K:et al: "Endothelin-1 inhibits nitric oxide synthesis in vascular smooth muscle cells." Hypertension. 24. 65-69 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] Takahashi M, Ikeda U, Shimada K:et al: "Adivation of human monocytes for enhanced production of interleukin 8 during transendothelial migration in vitro." J.Clin.Immunol.17. 53-62 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] Ishibashi S, Ikeda U, Shimada K:et al: "Tranilast inhibits contraction and Ca^<2+> movement of porcine coronary arteries." Atherosclerosis.130. 113-119 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] Funayama H, Ikeda U, Shimada K:et al: "Monocytes modulate the fibrinolytic balance of endothelial cells." Thromb.Res.85. 377-385 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] Irokawa M, Ikeda U, Shimada K:et al: "Endothelial derived nitric oxide preserves anticoagulant heparan sulfate expresson in cultured porcine aotic endothelial cells." Atherosclerosis.135. 9-17 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] Maeda Y,Ikeda U, Shimada K:et al: "Gene transfer into vascular cells using adeno-associated virus(AAV)vectros." Cardiovas.Res.35. 514-521 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] Ikeda U,Shimada K.:"Adenomedullin augments inducible nitric oxide synthase expression in cytokine-stimulated cardiac myocytes." Circulation. 94. 2560-2565 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] Ikeda U,Shimada K: "Regulation of icam-1 expression by inflammatory cytokines in rat mesangial cells." Cytokine. 8. 109-114 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] Takahashi M,Shimada K:"Human monocyte-endothelial cell interaction induces synthesis of granulocyte-macrophage colony-stimulating factor." Circulation. 93. 1185-1193 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] Ikeda U,Kanbe T,Shimada K:"Adrenomedullin increases inducible nitric oxide synthase in rat vascular smooth muscle cells stimulated with intereukin-1." Hypertension. 27. 1240-1244 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] Takahashi M,Ikeda U,Shimada K:"Monocyte-endothelial cell interaction induces expression of adhesion molecules on human umbilical cord endothelial cells." Cardiovascular Research. 32. 422-429 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] Fujikawa H,Shimada K:"Endothelin-1 production in coronary circulation in a new canine model of coronary thrombosis." Cardiovascular Research. 32. 604-612 (1996)

    • Related Report
      1996 Annual Research Report

URL: 

Published: 1996-04-01   Modified: 2016-04-21  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi