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Strategy of xerostomia by measurement of whole body water balance with ion transport in epithelial tissue

Research Project

Project/Area Number 16H05527
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Prosthodontics/ Dental materials science and
Research InstitutionAsahi University (2019)
Matsumoto Dental University (2016-2018)

Principal Investigator

Nakamoto Tetsuji  朝日大学, 歯学部, 教授 (30514989)

Co-Investigator(Kenkyū-buntansha) 冨士 岳志  松本歯科大学, 歯学部, 講師 (20549323)
北川 純一  松本歯科大学, 歯学部, 教授 (50373006)
黒岩 昭弘  松本歯科大学, 歯学部, 教授 (10195571)
山口 正人  松本歯科大学, 歯学部, 講師 (30410434)
小町谷 美帆  松本歯科大学, 歯学部, 助教 (00387432)
Project Period (FY) 2016-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥17,030,000 (Direct Cost: ¥13,100,000、Indirect Cost: ¥3,930,000)
Fiscal Year 2019: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2018: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Fiscal Year 2017: ¥6,110,000 (Direct Cost: ¥4,700,000、Indirect Cost: ¥1,410,000)
Fiscal Year 2016: ¥6,630,000 (Direct Cost: ¥5,100,000、Indirect Cost: ¥1,530,000)
Keywords唾液 / 糖尿病 / イオンチャネル / 口腔乾燥症 / 唾液腺 / 顎下腺 / カリウムイオン / 上皮膜輸送 / 重炭酸 / 重炭酸イオン / 細胞生理学 / 生理学 / カルシウムイオン / 水輸送
Outline of Final Research Achievements

Decreased saliva secretion in diabetes was investigated using model mice. It was caused by a decreased proportion of secretory cells in the entire salivary gland and a decreased secretory calcium signal in individual secretory cells.
Gene-level analysis of male and female differences among the three major salivary glands, parotid gland, submandibular gland, and sublingual gland, revealed that the sublingual gland had sex-specificity. Submandibular saliva has very low NaCl concentration due to the high expression of chloride channel and sodium channel genes.

Academic Significance and Societal Importance of the Research Achievements

糖尿病により生じる口腔乾燥症を根本的に改善するためには、組織の再生や組織の反応性の上昇などを行わなければならない可能性が高い。再生医療までの遠い道のりを踏まえると、現状では診断技術の向上と補充療法などの対症療法の拡充が必要と考えられる。雌雄差や唾液成分と一部の遺伝子との間に密接な関係が存在することより、唾液成分分析から遺伝子あるいは膜タンパクの障害を探索できる可能性がある。

Report

(5 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Annual Research Report
  • 2017 Annual Research Report
  • 2016 Annual Research Report
  • Research Products

    (5 results)

All 2019 2017 2016 Other

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

  • [Int'l Joint Research] National Institute for Health(米国)

    • Related Report
      2018 Annual Research Report
  • [Journal Article] Sexual Dimorphisms in the Transcriptomes of Murine Salivary Glands2019

    • Author(s)
      Taro Mukaibo, Xin Gao, Ning-Yan Yang, Maria S Oei, Tetsuji Nakamoto, James E Melvin
    • Journal Title

      FEBS Open Bio .

      Volume: 9(5) Issue: 5 Pages: 947-958

    • DOI

      10.1002/2211-5463.12625

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Salivary gland hypofunction in KK-Ay type 2 diabetic mice2017

    • Author(s)
      Takasi Munemasa, Taro Mukaibo, Yusuke Kondo, Chihiro Masaki, Yuichiro Kusuda, Yuta Miyagi, Shintaro Tsuka, Ryuji Hosokawa, Tetsuji Nakamoto
    • Journal Title

      Journal of Diabetes

      Volume: 印刷中 Issue: 1 Pages: 18-27

    • DOI

      10.1111/1753-0407.12548

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Presentation] Basic research: Future directions to restore the salivary gland hypofunction2017

    • Author(s)
      James E. Melvin, Taro Mukaibo, Yusuke Kondo, Tetsuji Nakamoto
    • Organizer
      第59回歯科基礎医学会学術大会
    • Related Report
      2017 Annual Research Report
    • Invited
  • [Presentation] Analysis of electrolyte and water transport by the ex vivo mouse submandibular gland perfusion technique in genetically modified mice2016

    • Author(s)
      Tetsuji Nakamoto
    • Organizer
      第4回ニールスステンセン記念国際唾液腺シンポジウム
    • Place of Presentation
      自然科学研究機構生理学研究所 (愛知・岡崎)
    • Year and Date
      2016-11-30
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research / Invited

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Published: 2016-04-21   Modified: 2021-02-19  

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