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New Insights into periodontal pathogenesis through the interaction between diet and oral microbiota

Research Project

Project/Area Number 20K18827
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 57080:Social dentistry-related
Research InstitutionOsaka University

Principal Investigator

Sakanaka Akito  大阪大学, 大学院歯学研究科, 助教 (90815557)

Project Period (FY) 2020-04-01 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2021: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2020: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Keywords口腔細菌 / 食 / 機能性代謝物 / 歯周病 / 口腔細菌叢 / 食習慣
Outline of Research at the Start

食を介した口腔細菌叢と宿主の相互作用については,発酵性糖質を介したう蝕の病態形成を除き,まだまだ未解明の点が多い。特に,食と口腔細菌叢のクロストークがもう一つの口腔疾患である歯周病や,全身の健康状態に及ぼす影響についてはほとんどわかっていない。一方,質量分析技術の発展により,生体機能や病原性に影響を与える機能性代謝物の同定が進んでいる。本研究ではこの点に着目して口腔細菌叢と食のケミカルクロストークを読み解き,新規の歯周病病因論の創出を目指す。

Outline of Final Research Achievements

Functional metabolites, generated through the interaction between diet and gut microbiota, impact host physiological functions and disease tendencies. The exploration and utilization of these metabolites are gaining attention. The oral cavity, the entry point of the digestive system, houses a rich and complex microbiota similar to the gut. It is expected that many metabolites are produced through interactions with food in this area, but their details remain largely unknown. In this study, we used metabolomic and metagenomic analyses to investigate metabolites produced by oral microbiota through interactions with diet. We aimed to identify those that influence the pathogenicity of periodontal disease, thereby shedding light on the chemical crosstalk between oral microbiota and diet.

Academic Significance and Societal Importance of the Research Achievements

消化管の一部である口腔には、腸と同様に複雑な微生物叢が存在するが、食を介した口腔細菌叢と宿主の相互作用については、発酵性糖質によるう蝕の形成以外は、まだ多くの点が未解明である。特に、食と口腔細菌叢の相互作用が歯周病に及ぼす影響については、ほとんど分かっていない。本研究で口腔細菌叢と食のケミカルクロストークの一端が明らかになり、これまで見過ごされてきた食の歯周病の発症と重症化への影響が示唆されたことで、新たな歯周病の予防と治療に役立つ方法の開発に貢献する可能性がある。

Report

(5 results)
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Research-status Report
  • 2021 Research-status Report
  • 2020 Research-status Report
  • Research Products

    (28 results)

All 2024 2023 2022 2021 2020

All Journal Article (10 results) (of which Int'l Joint Research: 4 results,  Peer Reviewed: 7 results,  Open Access: 7 results) Presentation (15 results) (of which Int'l Joint Research: 3 results,  Invited: 4 results) Book (3 results)

  • [Journal Article] Interspecies metabolite transfer fuels the methionine metabolism of Fusobacterium nucleatum to stimulate volatile methyl mercaptan production2024

    • Author(s)
      Hara Takeshi、Sakanaka Akito、Lamont Richard J.、Amano Atsuo、Kuboniwa Masae
    • Journal Title

      mSystems

      Volume: 9 Issue: 2 Pages: 1-18

    • DOI

      10.1128/msystems.00764-23

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] 口腔バイオフィルムの種間相互作用が生む代謝変動と歯周病への影響:代謝ネットワークハブとしてのFusobacterium nucleatum2024

    • Author(s)
      坂中哲人
    • Journal Title

      口腔衛生学会雑誌

      Volume: 74 Pages: 7-12

    • Related Report
      2023 Annual Research Report
  • [Journal Article] バイオフィルム代謝疾患としての歯周病2023

    • Author(s)
      坂中哲人
    • Journal Title

      アグリバイオ

      Volume: 7 Pages: 67-71

    • Related Report
      2023 Annual Research Report
  • [Journal Article] Fusobacterium nucleatum metabolically integrates commensals and pathogens in oral biofilms2022

    • Author(s)
      Sakanaka A, Kuboniwa M, Shimma S, Alghamdi SA, Mayumi S, Lamont RJ, Fukusaki E, Amano A
    • Journal Title

      mSystems

      Volume: 7 Issue: 4 Pages: 1-17

    • DOI

      10.1128/msystems.00170-22

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Salivary metabolic signatures of carotid atherosclerosis in patients with type 2 diabetes hospitalized for treatment2022

    • Author(s)
      Sakanaka A, Katakami N, Furuno M, Nishizawa H, Omori K, Taya N, Ishikawa A, Mayumi S, Inoue M, Isomura ET, Amano A, Shimomura I, Fukusaki E, Kuboniwa M
    • Journal Title

      Frontiers in Molecular Biosciences

      Volume: 9 Pages: 1-11

    • DOI

      10.3389/fmolb.2022.1074285

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Saliva and Plasma Reflect Metabolism Altered by Diabetes and Periodontitis2021

    • Author(s)
      Sakanaka Akito、Kuboniwa Masae、Katakami Naoto、Furuno Masahiro、Nishizawa Hitoshi、Omori Kazuo、Taya Naohiro、Ishikawa Asuka、Mayumi Shota、Tanaka Isomura Emiko、Shimomura Iichiro、Fukusaki Eiichiro、Amano Atsuo
    • Journal Title

      Frontiers in Molecular Biosciences

      Volume: 8 Pages: 742002-742002

    • DOI

      10.3389/fmolb.2021.742002

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Potential of Prebiotic D-Tagatose for Prevention of Oral Disease2021

    • Author(s)
      Mayumi Shota、Kuboniwa Masae、Sakanaka Akito、Hashino Ei、Ishikawa Asuka、Ijima Yura、Amano Atsuo
    • Journal Title

      Frontiers in Cellular and Infection Microbiology

      Volume: 11 Pages: 767944-767944

    • DOI

      10.3389/fcimb.2021.767944

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Effect of Erythritol on Production of Volatile Sulfur Compounds by <i>Porphyromonas gingivalis</i> and <i>Treponema denticola</i>2021

    • Author(s)
      橋野 恵衣、久保庭 雅恵、坂中 哲人、石川 明日香、眞弓 昌大、竹内 洋輝、天野 敦雄
    • Journal Title

      JOURNAL OF DENTAL HEALTH

      Volume: 71 Issue: 2 Pages: 88-93

    • DOI

      10.5834/jdh.71.2_88

    • NAID

      130008043153

    • ISSN
      0023-2831, 2189-7379
    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] 地球と口腔と私2021

    • Author(s)
      坂中哲人
    • Journal Title

      生産と技術

      Volume: 73 Pages: 31-33

    • NAID

      40022645287

    • Related Report
      2021 Research-status Report
  • [Journal Article] Letter to the Editor: "Examining Bias and Reporting in Oral Health Prediction Modeling Studies"2020

    • Author(s)
      Kuboniwa M, Sakanaka A
    • Journal Title

      Journal of Dental Research

      Volume: 99 Issue: 11 Pages: 1306-1306

    • DOI

      10.1177/0022034520934721

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] 口腔バイオフィルムの栄養的な連係を強化するFusobacterium nucleatumの代謝特性と歯周病への影響2024

    • Author(s)
      坂中哲人
    • Organizer
      第136回大阪大学歯学会例会
    • Related Report
      2023 Annual Research Report
    • Invited
  • [Presentation] Agmatine affects fimbriation and biofilm formation in Porphyromonas gingnivalis2023

    • Author(s)
      Kudo M, Kuboniwa M, Sakanaka A, Mayumi S, Amano A
    • Organizer
      101st General Session & Exhibition of the IADR
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Fusobacterium nucleatum metabolically integrates commensals and pathogens in oral biofilms2023

    • Author(s)
      坂中哲人
    • Organizer
      第72回日本口腔衛生学会総会
    • Related Report
      2023 Annual Research Report
    • Invited
  • [Presentation] 糖尿病入院治療により歯周状態改善をもたらす全身の代謝変化の探索2023

    • Author(s)
      井上 萌,坂中哲人,久保庭雅恵,天野敦雄
    • Organizer
      第34回近畿・中国・四国口腔衛生学会総会
    • Related Report
      2023 Annual Research Report
  • [Presentation] 糖尿病入院治療によりPISAが改善した患者群を特徴づける血漿・唾液代謝物の探索2023

    • Author(s)
      井上 萌、坂中哲人、久保庭雅恵、天野敦雄
    • Organizer
      第134回大阪大学歯学会例会
    • Related Report
      2022 Research-status Report
  • [Presentation] Porphyromonas gingivalisのアルギニン脱炭酸酵素は同菌の生育とバイオフィルム形成に影響を及ぼす2023

    • Author(s)
      工藤摩周、久保庭雅恵、坂中哲人、眞弓昌大、天野敦雄
    • Organizer
      第134回大阪大学歯学会例会
    • Related Report
      2022 Research-status Report
  • [Presentation] 口腔と全身をつなぐ唾液科学の深化2022

    • Author(s)
      坂中哲人
    • Organizer
      第71回日本口腔衛生学会学術大会
    • Related Report
      2022 Research-status Report
    • Invited
  • [Presentation] マイクロビオームの変動を反映する唾液メタボローム解析から全身を見据える2022

    • Author(s)
      天野敦雄、坂中哲人、久保庭雅恵
    • Organizer
      第76回日本口腔科学会学術集会
    • Related Report
      2022 Research-status Report
    • Invited
  • [Presentation] 口腔細菌間ネットワークが口臭成分メチルメルカプタンの産生を促進する2022

    • Author(s)
      原 武史、久保庭 雅恵、坂中 哲人、天野 敦雄
    • Organizer
      第64回歯科基礎医学会学術大会
    • Related Report
      2022 Research-status Report
  • [Presentation] 糖尿病入院治療によりPISAが改善した患者群を特徴づける血漿・唾液代謝物の探索2022

    • Author(s)
      井上 萌、坂中哲人、久保庭雅恵、天野敦雄
    • Organizer
      第33回近畿・中国・四国口腔衛生学会
    • Related Report
      2022 Research-status Report
  • [Presentation] Exploring saliva and plasma metabolites characterizing diabetes patients with improved periodontal inflammation by hospitalized glycemic-control treatment2022

    • Author(s)
      Inoue M, Sakanaka A, Choi YH, Kuboniwa M, Amano A
    • Organizer
      2022 General Session of the Korean Academy of Preventive Dentistry and Oral Health Society
    • Related Report
      2022 Research-status Report
    • Int'l Joint Research
  • [Presentation] Porphyromonas gingivalis infection alters the metabolome of human gingival epithelial cells and enhances cell proliferation.2022

    • Author(s)
      Iijima Y, Kuboniwa M, Sakanaka A, Takeuchi H, Mayumi S, Choi YH, Amano A
    • Organizer
      2022 General Session of the Korean Academy of Preventive Dentistry and Oral Health Society
    • Related Report
      2022 Research-status Report
    • Int'l Joint Research
  • [Presentation] 唾液メタボロームの個人間の異同に影響を及ぼす因子の検討2021

    • Author(s)
      坂中哲人,久保庭雅恵,石川明日香,眞弓昌大,天野敦雄
    • Organizer
      第24回日本歯科医学会学術大会
    • Related Report
      2021 Research-status Report
  • [Presentation] Fusobacterium nucleatum metabolically integrates commensals and pathogens in oral biofilms2020

    • Author(s)
      Sakanaka A, Kuboniwa M, Shimma S, Mayumi S, Lamont RJ, Fukusaki E, Amano A
    • Organizer
      第68回JADR総会・学術大会
    • Related Report
      2020 Research-status Report
  • [Presentation] 口腔フローラ研究の最前線2020

    • Author(s)
      坂中哲人
    • Organizer
      池田市歯科医師会学術講演会
    • Related Report
      2020 Research-status Report
  • [Book] バイオフィルム革新的制御技術2023

    • Author(s)
      坂中哲人(分担執筆)
    • Total Pages
      342
    • Publisher
      エヌ・ティー・エス
    • ISBN
      9784860438340
    • Related Report
      2023 Annual Research Report
  • [Book] 8020推進アンバサダー活動ガイドライン2023

    • Author(s)
      坂中哲人(分担執筆)
    • Total Pages
      19
    • Publisher
      大阪府歯科医師会
    • Related Report
      2023 Annual Research Report
  • [Book] よくわかる!口腔バイオフィルムと歯科治療 : 感染制御のポイントと治療戦略2022

    • Author(s)
      野杁雄一郎,久保庭雅恵,坂中哲人,竹中彰治,多部田康一,野中由香莉,前園葉月
    • Total Pages
      102
    • Publisher
      ヒョーロン・パブリッシャーズ
    • ISBN
      9784864320719
    • Related Report
      2022 Research-status Report

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Published: 2020-04-28   Modified: 2025-01-30  

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