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2018 Fiscal Year Final Research Report

Clarification of disease state and development of therapeutic strategy on periodontitis mediating NETosis

Research Project

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Project/Area Number 17K17611
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Surgical dentistry
Pathobiological dentistry/Dental radiology
Research InstitutionAkita University

Principal Investigator

KONNO YASUNORI  秋田大学, 医学部附属病院, 医員 (50581162)

Project Period (FY) 2017-04-01 – 2019-03-31
Keywords歯性感染症 / NETosis / 好中球
Outline of Final Research Achievements

In this study, we tried to evaluate relevance of NETosis on odontogenic infection. In assay using clinical specimen, we could establish processing methods of sample and confirm localization of NETs. However, in quantification of cytokines, we could not achieve significant results. In vitro, we could not performed enough experiment because of much time required for condition setting.
Our results indicated the possibility of relevance of NETosis on odontogenic infection. It is necessary to evaluate mechanisms in more detail.

Free Research Field

外科系歯学

Academic Significance and Societal Importance of the Research Achievements

歯科口腔疾患におけるneutrophil extracellular traps(NETs)の関連については、NETsの構成成分のヒストンによる上皮細胞障害や歯周病原菌による動脈硬化への関与が明らかとなっている。本研究で、歯性感染の局所でのNETs の存在を確認した。さらに、NETosisにおいて、細胞外に放出された顆粒蛋白、ヒストンやDNAによる組織障害性により、病態形成に何らかの影響を与えていると予想される。単なる炎症として片付けられていた病態を、新たな視点で解明することで、NETsの適切な制御という新たな治療戦略へとつながる可能性がある。

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Published: 2020-03-30  

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