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The infection defense mechanism by salivary gland secretion antibacterial proteins in the junctional epithelium

Research Project

Project/Area Number 24890244
Research Category

Grant-in-Aid for Research Activity Start-up

Allocation TypeSingle-year Grants
Research Field Periodontal dentistry
Research InstitutionShowa University

Principal Investigator

NISHII Kousuke  昭和大学, 歯学部, 助教 (80634857)

Project Period (FY) 2012-08-31 – 2014-03-31
Project Status Completed (Fiscal Year 2013)
Budget Amount *help
¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Fiscal Year 2013: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2012: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Keywords歯周病 / 付着上皮 / レーザーマイクロダイセクション / プロラクチン誘導タンパク / マイクロアレイ / 抗菌タンパク
Research Abstract

A quantitative analysis of Proractin induced protein(PIP) mRNA in junctional epithelium (JE) and oral gingival epithelium (OGE) of both conventional mice and germ-free mice was performed using laser microdissection and real-time polymerase chain reaction. Real-time PCR analysis indicated that PIP expressions were mainly detected in JE ofconventional mice not detected in OGE. Expression of PIP after LPS stimulation in cuitured human oral epithelial cells was higher expression most 24 hours after stimulation.
Further, the results of immunohistochemical analysis, expression of PIP was observed in JE of each of the conventional mice and germ-free mice, expression was not observed in the OGE,respectively.

Report

(3 results)
  • 2013 Annual Research Report   Final Research Report ( PDF )
  • 2012 Annual Research Report
  • Research Products

    (3 results)

All 2013 2012

All Journal Article (3 results) (of which Peer Reviewed: 3 results)

  • [Journal Article] The distribution and expression of S100A8 and S100A9 in gingival epithelium of mice.2013

    • Author(s)
      Nishii K, Usui M, Yamamoto G, Yajima S, Tsukamoto Y, Tanaka J, Tachikawa T, Yamamoto M
    • Journal Title

      journal of periodontal research

      Volume: 48 Issue: 2 Pages: 235-242

    • DOI

      10.1111/jre.12000

    • Related Report
      2013 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 再構成歯胚の萠出により形成された接合上皮は歯原性上皮由来である2013

    • Author(s)
      八島 沙羅, 山本 剛, 西井 浩介, 古屋 まど香, 田中 準一, 山本 松男, 立川 哲彦, 美島 健二
    • Journal Title

      Dental Medicine Research

      Volume: 33 Pages: 283-284

    • Related Report
      2013 Annual Research Report
    • Peer Reviewed
  • [Journal Article] TNF-α Induces RANKL Expression in Gingival Epithelial Cells through PKA Signaling2012

    • Author(s)
      Fujihara Ryoichi
    • Journal Title

      Dental Medicine Research

      Volume: 32 Pages: 239-239

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed

URL: 

Published: 2012-11-27   Modified: 2019-07-29  

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