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A study for the application of inorganic polyphosphate in peri-implantitis treatment

Research Project

Project/Area Number 23890134
Research Category

Grant-in-Aid for Research Activity Start-up

Allocation TypeSingle-year Grants
Research Field Prosthetic dentistry
Research InstitutionHiroshima University

Principal Investigator

HARADA Kana  広島大学, 大学院・医歯薬保健学研究院, 特任助教 (90609744)

Project Period (FY) 2011 – 2012
Project Status Completed (Fiscal Year 2012)
Budget Amount *help
¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Fiscal Year 2012: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2011: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Keywordsポリリン酸 / マクロファージ / 炎症 / インプラント
Research Abstract

Inorganic polyphosphate [poly(P)], a linear polymer of orthophosphate residues, has antibacterial effects against Porphyromonas gingivalis and promotes tissue regeneration and bone formation. In this study, I examined effects of poly(P) in macrophages for the application of poly(P) in peri-implantitis treatment, and found that poly(P) suppresses the expression of inducible nitric oxide synthase and the release of nitric oxide in macrophages stimulated by lipopolysaccharide, a cell wall component of Gram-negative bacteria.

Report

(3 results)
  • 2012 Annual Research Report   Final Research Report ( PDF )
  • 2011 Annual Research Report
  • Research Products

    (12 results)

All 2012

All Presentation (12 results)

  • [Presentation] Possibility of peri-implantitis treatment by using inorganic polyphosphate [poly(P)]2012

    • Author(s)
      Jayanthi Narasimha
    • Organizer
      The underlying mechanism of how poly(P)suppresses lipopolysaccharide-induced nitric oxide release in macrophages, 40th Indian Prosthodontics Society Conference& 8th Biennial Meeting of Asian Academy ofProsthodontics
    • Place of Presentation
      Chennai, India
    • Year and Date
      2012-12-08
    • Related Report
      2012 Final Research Report
  • [Presentation] Possibility of peri-implantitis treatment by using inorganic polyphosphate [poly(P)] : The underlying mechanism of how poly(P) suppresses lipopolysaccharide-induced nitric oxide release in macrophages2012

    • Author(s)
      Jayanthi Narasimha
    • Organizer
      40th Indian Prosthodontics Society Conference & 8th Biennial Meeting of Asian Academy of Prosthodontics
    • Place of Presentation
      Chennai, TamilNadu, India
    • Year and Date
      2012-12-08
    • Related Report
      2012 Annual Research Report
  • [Presentation] ミクログリアの死細胞貪食における P2Y2 受容体の役割2012

    • Author(s)
      秀 和泉
    • Organizer
      第122回日本薬理学会近畿部会
    • Place of Presentation
      豊中市
    • Year and Date
      2012-11-16
    • Related Report
      2012 Final Research Report
  • [Presentation] ミクログリアの死細胞貪食におけるP2Y_2受容体の役割2012

    • Author(s)
      秀和泉
    • Organizer
      第122回日本薬理学会近畿部会
    • Place of Presentation
      豊中市
    • Year and Date
      2012-11-16
    • Related Report
      2012 Annual Research Report
  • [Presentation] Toll-like receptor 4 activation promotes survival and phagocytic clearance in microglia: Possible involvement of purinergic receptors2012

    • Author(s)
      Izumi Hide
    • Organizer
      Purine 2012
    • Place of Presentation
      Fukuoka
    • Year and Date
      2012-06-01
    • Related Report
      2012 Final Research Report
  • [Presentation] Toll-like receptor 4 activation promotes survival and phagocytic clearance in microglia : Possible involvement of purinergic receptors2012

    • Author(s)
      Izumi Hide
    • Organizer
      Purine 2012 1n Fukuoka
    • Place of Presentation
      Fukuoka
    • Year and Date
      2012-06-01
    • Related Report
      2012 Annual Research Report
  • [Presentation] ミクログリアの Toll-like 受容体 4 活性化に対する異なる細胞反応とプリン受容体を介した調節2012

    • Author(s)
      秀 和泉
    • Organizer
      第85回日本薬理学会年会
    • Place of Presentation
      京都市
    • Year and Date
      2012-03-16
    • Related Report
      2012 Final Research Report
  • [Presentation] ミクログリアのToll-like受容体4活性化に対する異なる細胞反応とプリン受容体を介した調節2012

    • Author(s)
      秀和泉
    • Organizer
      第85回日本薬理学会年会
    • Place of Presentation
      京都市
    • Year and Date
      2012-03-16
    • Related Report
      2011 Annual Research Report
  • [Presentation] Enhanced survival and phagocytic activity by Toll-like receptor 4 activation in rat microglia2012

    • Author(s)
      Izumi Hide
    • Organizer
      The 11th Biennial Meeting of the Asian-PacificSociety for Neurochemistry/55th Annual Meeting of the Japanese Society for Neurochemistry
    • Place of Presentation
      Kobe
    • Related Report
      2012 Final Research Report
  • [Presentation] 炎症病態に対するポリリン酸の効果とインプラント周囲炎治療への応用可能性2012

    • Author(s)
      原田 佳奈
    • Place of Presentation
      大阪市
    • Related Report
      2012 Final Research Report
  • [Presentation] 炎症病態に対するポリリン酸の効果とインプラント周囲炎治療への応用可能性2012

    • Author(s)
      原田佳奈
    • Organizer
      第42回公益社団法人日本口腔インプラント学会・学術大会
    • Place of Presentation
      大阪市
    • Related Report
      2012 Annual Research Report
  • [Presentation] Enhanced survival and phagocytic activity by Toll-like receptor 4 activation in rat microglia2012

    • Author(s)
      Izumi Hide
    • Organizer
      The 11th Biennial Meeting of the Asian-Pacific Society for Neurochemistry/55th Annual Meeting of the Japanese Society for Neurochemistry
    • Place of Presentation
      Kobe
    • Related Report
      2012 Annual Research Report

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Published: 2011-09-05   Modified: 2019-07-29  

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