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Demonstration of anti-allergic and ant-tumor effects of solubilized melanin and exploration of the melanin receptors

Research Project

Project/Area Number 17K19935
Research Category

Grant-in-Aid for Challenging Research (Exploratory)

Allocation TypeMulti-year Fund
Research Field Health science and related fields
Research InstitutionChubu University

Principal Investigator

Kawamoto Yoshiyuki  中部大学, 生命健康科学部, 准教授 (10410664)

Project Period (FY) 2017-06-30 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥6,370,000 (Direct Cost: ¥4,900,000、Indirect Cost: ¥1,470,000)
Fiscal Year 2019: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2018: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2017: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Keywordsメラニン / アレルギー / がん / 癌 / イカスミ / イカ墨
Outline of Final Research Achievements

Based on the discovery that water-soluble melanin, which was developed by our group, strongly inhibits mast cell activation and cancer cell proliferation, this study was conducted to demonstrate whether the melanin is effective at the animal level and to elucidate the molecular mechanism. More detailed analysis at the cultured cell level allowed us to elucidate further molecular mechanisms of melanin. Oral administration of water-soluble melanin showed a significant inhibitory effect in both the allergy model and the cancer cell transplantation model. Identification of new molecules that may interact with melanin suggests the possibility of novel melanin receptors.

Academic Significance and Societal Importance of the Research Achievements

メラニンは紫外線防御物質として働く物質であることや、髪の毛の色素物質であるといった認識が一般的であるが、我々が独自に調整した一定の分子サイズの水溶解性メラニンが、マスト細胞の活性化を抑制し、がん細胞の増殖を抑える働きがあることは新規の発見であった。そして本研究で、動物個体で一定の安全性のもと、抗アレルギー、抗腫瘍効果を、限定的なモデルであるにせよ実証することができた。本成果は様々な疾病モデルでさらに検討を進めるための基盤知見となり、今後、ペットやヒトの疾患治療薬開発への応用につながる学術的意義を持つと考える。

Report

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

    (6 results)

All 2019 2018 2017

All Journal Article (1 results) (of which Peer Reviewed: 1 results) Presentation (5 results)

  • [Journal Article] Inhibition of mast cell degranulation by melanin.2019

    • Author(s)
      Kawamoto Y, Kondo H, Hasegawa M, Kurimoto C, Ishii Y, Kato C, Botei T, Shinya M, Murate T, Ueno Y, Kawabe M, Goto Y, Yamamoto R, Iida M, Yajima I, Ohgami N, Kato M, Takeda K.
    • Journal Title

      Biochem Pharmacol.

      Volume: 163 Pages: 178-193

    • DOI

      10.1016/j.bcp.2019.02.015

    • Related Report
      2018 Research-status Report
    • Peer Reviewed
  • [Presentation] イカスミおよび合成メラニンによるマスト細胞活性化の抑制機序解析2019

    • Author(s)
      川本善之、伊藤ななみ、鈴木里歩、高井夢花、林夏希、上野有紀、武田湖州恵
    • Organizer
      日本生化学会
    • Related Report
      2019 Research-status Report
  • [Presentation] Analysis of cancer cell growth suppression and mechanism by synthetic melanin2019

    • Author(s)
      Yoshiyuki Kawamoto, Kozue Takeda
    • Organizer
      日本癌学会
    • Related Report
      2019 Research-status Report
  • [Presentation] 合成メラニンによるがん細胞増殖および遊走の抑制2018

    • Author(s)
      川本善之、近藤紘本、小森光華、大西新一郎、杉江麻友香、山野裕基、小林果、上野有紀、武田湖州恵
    • Organizer
      日本生化学会大会
    • Related Report
      2018 Research-status Report
  • [Presentation] Cell growth inhibition by solubilized eumelanin2017

    • Author(s)
      Yoshiyuki Kawamoto, Kozue Takeda
    • Organizer
      日本癌学会
    • Related Report
      2017 Research-status Report
  • [Presentation] Suppression of mast cell activation by synthetic melanin2017

    • Author(s)
      Hiromoto Kondo, Kozue Takeda, Yoshiyuki Kawamoto
    • Organizer
      ConBio2017
    • Related Report
      2017 Research-status Report

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Published: 2017-07-21   Modified: 2022-01-27  

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