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Elucidation of novel functional of ostrich oil focusing on anti-inflammatory activity through skin

Research Project

Project/Area Number 16K08006
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Animal production science
Research InstitutionShinshu University

Principal Investigator

Kawahara Takeshi  信州大学, 学術研究院農学系, 准教授 (30345764)

Research Collaborator Taguchi Takeru  
Kato Hotaka  
Tanioka Miki  
Project Period (FY) 2016-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2018: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2017: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2016: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Keywords皮膚角化細胞 / Toll様受容体10 / Toll様受容体2 / 遊離脂肪酸 / 抗炎症 / ダチョウ / 脂肪酸 / TLR10 / TLR2 / 抗炎症作用 / アトピー性皮膚炎 / マスト細胞
Outline of Final Research Achievements

Comprehensive gene analysis was performed in human skin keratinocytes treated with ostrich oil, which is known to have a skin protective effect. Through this study, the inducing action of Toll-like receptor (TLR) 10 by triglyceride and free fatty acids was clarified. This year, the suppressive effect of free fatty acids on TLR2 ligand-induced inflammatory response in skin keratinocytes was investigated. Moreover, the involvement of PPARs and GPRs on the TLR10 induction was evaluated using commercially available agonists and antagonists of these receptors.

Academic Significance and Societal Importance of the Research Achievements

皮膚に油脂を塗ることで治癒効果を得る行為に対して、皮膚角化細胞をモデルとした網羅的遺伝子解析により科学的な観点から解明を試みた。明らかになったトリグリセリドおよび遊離脂肪酸によるToll様受容体10(TLR10)誘導作用は、脂肪酸組成のヒトへの類似性をもとにしたこれまでの仮説とは全く異なる観点からのアプローチであり、オーファン受容体でありながら抗炎症作用に関与しているとされるTLR10の働きという面から興味深い現象であり、学術的意義が高いと考えている。またこの知見をもとに、より効果的な塗布行為への応用が考えられるため、社会的な意義も大きいといえる。

Report

(4 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Research-status Report
  • 2016 Research-status Report
  • Research Products

    (15 results)

All 2019 2018 2017 2016

All Journal Article (3 results) (of which Peer Reviewed: 3 results,  Open Access: 2 results) Presentation (9 results) (of which Int'l Joint Research: 1 results,  Invited: 1 results) Book (1 results) Patent(Industrial Property Rights) (2 results)

  • [Journal Article] Changes in microbiota that influence the immunomodulatory effects of fermented Brassica rapa L.2019

    • Author(s)
      Bayanjargal Sandagdori, Chosato hamajima, Takeshi kawahara, Jum watanabe, Sachi Tanaka
    • Journal Title

      Microbes and Environments

      Volume: in press

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Effect of Lactobacillus strains on thymus and activation-regulated chemokine expression in keratinocytes and the development of atopic dermatitis-like symptoms2018

    • Author(s)
      T. Kawahara, N. Hanzawa, M. Sugiyama
    • Journal Title

      Beneficial Microbes

      Volume: 9 Issue: 4 Pages: 643-652

    • DOI

      10.3920/bm2017.0162

    • Related Report
      2017 Research-status Report
    • Peer Reviewed
  • [Journal Article] Effect of the topical application of an ethanol extract of quince seeds on the development of atopic dermatitis-like symptoms in NC/Nga mice2017

    • Author(s)
      T. Kawahara, K.Tsutsui, E. Nakanishi, T. Inoue, Y. Hamauzu
    • Journal Title

      BMC Complementary and Alternative Medicine

      Volume: 17 Issue: 1 Pages: 80-80

    • DOI

      10.1186/s12906-017-1606-6

    • NAID

      40021218752

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] ダチョウ脂質構成脂肪酸のヒト皮膚角化細胞における抗炎症作用の解析2019

    • Author(s)
      河原岳志、谷岡美季
    • Organizer
      日本畜産学会
    • Related Report
      2018 Annual Research Report
  • [Presentation] Expression of livestock product functionality mediated by skin keratinocytes2018

    • Author(s)
      Takeshi Kawahara
    • Organizer
      International Symposium on Animal Science & Technology 2018
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Lactobacillus crispatus KT-11株S-layerタンパク質のロタウイルス感染抑制機構の解析2018

    • Author(s)
      田中佑季、志水一誓、友清 帝、渡邉 樹、飛田啓輔、河原岳志
    • Organizer
      日本酪農科学会
    • Related Report
      2018 Annual Research Report
  • [Presentation] Lactobacillus crispatus KT-11株S-layerタンパク質によるロタウイルス感染抑制機構の解析2018

    • Author(s)
      志水一誓、友清 帝、渡邉 樹、飛田啓輔、河原岳志
    • Organizer
      日本畜産学会 第124回大会
    • Related Report
      2017 Research-status Report
  • [Presentation] Toll様受容体10誘導作用をもたらすダチョウ脂質成分の解析2018

    • Author(s)
      河原岳志、加藤保貴
    • Organizer
      日本畜産学会 第124回大会
    • Related Report
      2017 Research-status Report
  • [Presentation] ダチョウ脂質のヒト皮膚角化細胞遺伝子発現に及ぼす効果2017

    • Author(s)
      河原岳志、田口 丈
    • Organizer
      日本畜産学会
    • Place of Presentation
      神戸大学国際文化学部(兵庫県 神戸市)
    • Year and Date
      2017-03-29
    • Related Report
      2016 Research-status Report
  • [Presentation] Lactobacillus crispatus KT-11株抽出物のロタウイルス下痢症抑制効果2017

    • Author(s)
      志水一誓、河原岳志、友清 帝、渡邉 樹、飛田啓輔
    • Organizer
      日本畜産学会 第123回大会
    • Related Report
      2017 Research-status Report
  • [Presentation] Lactobacillus属乳酸菌抽出物の塗布によるアトピー性皮膚炎改善効果2016

    • Author(s)
      河原岳志, 杉山 京, 伊藤綾花, 田口 丈
    • Organizer
      日本酪農科学会
    • Place of Presentation
      日本大学生物資源科学部(神奈川県 藤沢市)
    • Year and Date
      2016-09-09
    • Related Report
      2016 Research-status Report
  • [Presentation] マルメロ種子エタノール抽出物のアトピー性皮膚炎予防効果2016

    • Author(s)
      井ノ上利文, 河原岳志, 濵渦康範
    • Organizer
      日本香粧品学会
    • Place of Presentation
      有楽町朝日ホール(東京都 千代田区)
    • Year and Date
      2016-06-10
    • Related Report
      2016 Research-status Report
  • [Book] アレルギーと臨床2018

    • Author(s)
      河原岳志
    • Total Pages
      100
    • Publisher
      北隆館
    • Related Report
      2017 Research-status Report
  • [Patent(Industrial Property Rights)] 新規な抗メタボリックシンドローム作用を有する乳酸菌ならびにそれを用いて得られる漬物およびその製造方法2019

    • Inventor(s)
      渡辺純、河合崇行、冨田理、田中沙智、河原岳志
    • Industrial Property Rights Holder
      渡辺純、河合崇行、冨田理、田中沙智、河原岳志
    • Industrial Property Rights Type
      特許
    • Filing Date
      2019
    • Related Report
      2018 Annual Research Report
  • [Patent(Industrial Property Rights)] 抗ウイルス剤2018

    • Inventor(s)
      濵渦康範、河原岳志
    • Industrial Property Rights Holder
      濵渦康範、河原岳志
    • Industrial Property Rights Type
      特許
    • Filing Date
      2018
    • Acquisition Date
      2019
    • Related Report
      2018 Annual Research Report

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Published: 2016-04-21   Modified: 2020-03-30  

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