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Study on the immune mechanism using oral nanocapsule with oligodeoxynucleotides from lactic acid bacteria

Research Project

Project/Area Number 17H03907
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Animal production science
Research InstitutionShinshu University

Principal Investigator

Shimosato Takeshi  信州大学, 学術研究院農学系, 教授 (00467200)

Co-Investigator(Kenkyū-buntansha) 荻田 佑  信州大学, 学術研究院農学系, 助教 (50738010)
重盛 駿  信州大学, 先鋭領域融合研究群バイオメディカル研究所, 助教(特定雇用) (90803487)
佐藤 隆  信州大学, 先鋭領域融合研究群バイオメディカル研究所, 特任教授 (70510436)
渡邉 敬文  信州大学, 学術研究院農学系, 助教 (50598216)
Project Period (FY) 2017-04-01 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥16,250,000 (Direct Cost: ¥12,500,000、Indirect Cost: ¥3,750,000)
Fiscal Year 2019: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Fiscal Year 2018: ¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2017: ¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Keywords乳酸菌 / オリゴDNA / 免疫調節 / 乳酸菌オリゴDNA / 微粒子 / 経口 / 免疫 / 腸管 / 肺 / 喘息モデル / 腸内細菌 / 経口投与 / DNA微粒子 / 乳酸菌DNA微粒子 / 腸管粘膜 / ナノカプセル
Outline of Final Research Achievements

The aim of this project was to clarify the immunomodulatory effects of lactic acid bacteria on the gut, by focusing on genomic DNA and DNA motifs as its fragments. For this purpose, we used oral delivery system of oligodeoxynucleotide (ODN) and we developed a special feed (ODNcap-F) that contains acid-resistant and CpG-ODN-embedded particles. We conducted an free feeding of ODNcap-F on allergen-induced airway inflammation in mice. As a result, ODNcap-F attenuated allergic airway inflammation and caused a change of structure and composition of the gut microbiota. The ability to deliver lactic acid bacteria ODNs by the oral routes considerably broadens their potential therapeutic utility.

Academic Significance and Societal Importance of the Research Achievements

ODNが胃や腸管など消化管を介して安定的に腸管粘膜に届けられれば、様々な疾病の予防・軽減に寄与する機能性サプリメントなどの創製が期待できる。また、ヒト腸内に豊富に存在する乳酸菌やビフィズス菌など、プロバイオティクスに由来するODNを用いれば、消費者意識に配慮した新素材として提案できる可能性が高い。本研究は、ODNの腸管送達系の構築により、農学分野から健康維持・増進のための新たなワクチンアジュバントや機能性食品・家畜飼料素材の創製を目指す基礎研究として位置づけられる。

Report

(4 results)
  • 2020 Final Research Report ( PDF )
  • 2019 Annual Research Report
  • 2018 Annual Research Report
  • 2017 Annual Research Report
  • Research Products

    (9 results)

All 2019 2017 Other

All Int'l Joint Research (1 results) Journal Article (1 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 1 results,  Open Access: 1 results) Presentation (5 results) (of which Int'l Joint Research: 2 results,  Invited: 3 results) Remarks (2 results)

  • [Int'l Joint Research] Suranaree University of Technology(タイ)

    • Related Report
      2019 Annual Research Report
  • [Journal Article] Cooperation of Oligodeoxynucleotides and Synthetic Molecules as Enhanced Immune Modulators2019

    • Author(s)
      Nigar, S. & Shimosato, T.
    • Journal Title

      Frontiers in Nutrition

      Volume: 6 Pages: 140-140

    • DOI

      10.3389/fnut.2019.00140

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Presentation] Oral delivery of probiotic ODN particles modulate the host immune system2019

    • Author(s)
      Takeshi Shimosato, Suguru Shigemori, Tasuku Ogita
    • Organizer
      TASP2019[The 2nd International Conference on Tropical Animal Science and Production]
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 乳酸菌オリゴDNAを有効成分とする経口用微粒子がもたらす急性大腸炎の予防効果2019

    • Author(s)
      重盛駿,荻田佑,下里剛士
    • Organizer
      日本畜産学会第126回大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] イムノバイオティクス由来核酸成分を用いた経口用微粒子の創製と機能性食品・飼料素材への展開2019

    • Author(s)
      下里剛士
    • Organizer
      日本食品科学工学会第66回大会
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] 敗血症の重症化を抑えるオリゴDNAのプライミング効果2019

    • Author(s)
      下里剛士
    • Organizer
      日本農芸化学会中部支部第186回例会
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] Free-feeding of DNA nanocapsules containing CpG oligodeoxynucleotide from Streptococcus thermophilus2017

    • Author(s)
      Okajima Takuma, Yamamoto Yoshinari, Ogita Tasuku, Shimosato Takeshi
    • Organizer
      IDF World Diary Summit 2017
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Remarks] 信州大学農学部分子生命工学研究室

    • URL

      http://www.shinshu-u.ac.jp/faculty/agriculture/lab/shimolab/

    • Related Report
      2019 Annual Research Report
  • [Remarks] 信州大学バイオメディカル研究所生体分子イノベーション部門

    • URL

      https://www.shinshu-u.ac.jp/institution/ibs/department/igscm.html

    • Related Report
      2019 Annual Research Report

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Published: 2017-04-28   Modified: 2022-01-27  

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