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Development of a new treatment for atopic dermatitis by activating NK cells

Research Project

Project/Area Number 17K10230
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Dermatology
Research InstitutionGunma University

Principal Investigator

Kishi Chikako  群馬大学, 医学部附属病院, 講師 (60402707)

Co-Investigator(Kenkyū-buntansha) 天野 博雄  岩手医科大学, 医学部, 教授 (70302487)
茂木 精一郎  群馬大学, 大学院医学系研究科, 准教授 (20420185)
Project Period (FY) 2017-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2019: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2018: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2017: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywordsアトピー性皮膚炎 / NK細胞
Outline of Final Research Achievements

We studied the mechanism of parasite infection of NC/Nga mice, which are models of atopic dermatitis, in order to elucidate the mechanism of suppression of the onset of dermatitis and improvement of symptoms, and to develop an effective treatment for atopic dermatitis. Infection of NC/Nga mice with malaria resulted in an increase in NK cells locally in the skin and improved eczema lesions. The removal of NK cells by anti-acyaro-GM1 antibody did not improve the malaria-induced skin lesion. Next, NK cells were isolated from the spleen of malaria-infected NC/Nga mice and administered transvenously to malaria-free NC/Nga mice with eczema to investigate dermatitis.

Academic Significance and Societal Importance of the Research Achievements

今回の成果によって、十分に明らかになっていなかったアトピー性皮膚炎発症機序の一部にNK細胞が関与することが示唆された。皮膚炎の発症の抑制、症状の軽快が生じるメカニズムを実験的に解明することができ、今後、アトピー性皮膚炎をはじめとするアレルギー疾患の有効な治療法に繋がることが期待される。また、今回の研究成果は、アトピー性皮膚炎の衛星仮説の機序の解明にもつながる成果である。

Report

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

URL: 

Published: 2017-04-28   Modified: 2021-02-19  

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