2022 Fiscal Year Final Research Report
Mechanisms of fast-acting antidepressant actions
Project/Area Number |
21K15711
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Research Category |
Grant-in-Aid for Early-Career Scientists
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Allocation Type | Multi-year Fund |
Review Section |
Basic Section 52030:Psychiatry-related
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Research Institution | Kyoto University |
Principal Investigator |
Li Haiyan 京都大学, 医学研究科, 特定研究員 (90840314)
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Project Period (FY) |
2021-04-01 – 2023-03-31
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Keywords | 抗うつ薬 / うつ病 / 反応性 |
Outline of Final Research Achievements |
Psychological and social stress is assumed to increase the risk of developing mental illnesses by impairing higher brain functions such as stress resistance, recovery, memory, and cognition. On the other hand, moderate exercise has been shown to activate the hippocampal region of the brain, which is important for memory formation, and exercise therapy has been suggested to be effective for patients with mild to moderate depression. However, the brain mechanisms by which exercise training acquires stress resilience are still unclear. In this research project, the applicant aims to clarify the molecular and neural mechanisms of stress resilience acquisition by exercise by focusing on epigenetic regulatory molecules that they have independently identified using their own highly valid depression model mice.
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Free Research Field |
神経科学
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Academic Significance and Societal Importance of the Research Achievements |
これまでの運動と脳機能との関連研究の最大の問題点は、”現象論の記述”に留まっていることであり、運動トレーニングがストレスレジリエンスを獲得する脳内メカニズムはいまだに不明であった。本研究では、この問題点を克服するために、申請者が独自に確立した妥当性の高いうつ病モデルマウスを用いて、独自に見出したエピジェネティクス制御分子に着目することで、運動トレーニングによるストレスレジリエンス獲得の分子・神経メカニズムの一端を明らかにした。得られた成果は、運動による健康維持・増進の理解につながるだけでなく、ストレス性精神疾患の予防法や治療法の開発に資する可能性が期待できる。
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