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2021 Fiscal Year Final Research Report

Study for the mechanism of exercise-induced antidepressant effects and the development of novel therapeutic drug for depression

Research Project

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Project/Area Number 19K11440
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 59020:Sports sciences-related
Research InstitutionOsaka University

Principal Investigator

KONDO Makoto  大阪大学, 医学系研究科, 准教授 (50633012)

Co-Investigator(Kenkyū-buntansha) 島田 昌一  大阪大学, 医学系研究科, 教授 (20216063)
中村 雪子  大阪大学, 医学系研究科, 特任講師 (90548083)
小山 佳久  大阪大学, 医学系研究科, 助教 (40397667)
臼井 紀好  大阪大学, 医学系研究科, 准教授 (00784076)
Project Period (FY) 2019-04-01 – 2022-03-31
Keywords運動 / 抗うつ効果 / うつ病治療薬
Outline of Final Research Achievements

Current antidepressants have a limited efficacy: more than one-third of depressed patients fail to respond to multiple antidepressant treatments and are considered to experience treatment-resistant depression. Therefore, development of novel therapeutic drug for depression is highly desirable. We showed that the serotonin type 3 (5-hydroxytryptamine type 3: 5-HT3) receptor is essential for exercise-induced antidepressant effects. Furthermore, using depression model mice, we studied a novel 5-HT3 receptor-mediated antidepressant mechanism in detail, and revealed a new therapeutic target for depression. Our findings could provide significant benefits for treatment-resistant depressed patients.

Free Research Field

神経科学、解剖学

Academic Significance and Societal Importance of the Research Achievements

うつ病の患者数は世界で約3億人といわれ、深刻な社会経済的損失をもたらす。しかし、既存の抗うつ薬が効かない患者が多いことが問題となっており、新たな治療薬が望まれている。本研究では、運動がもたらす抗うつ効果の分子メカニズムに着目し、うつ病に対する新たな治療ターゲット候補となる分子を見出した。将来、うつ病の新たな治療薬の開発につながる研究成果であり、学術的意義や社会的意義は大きいと考えられる。

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Published: 2023-01-30  

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