高齢化における筋肉-脳軸:レジスタンス運動と認知機能に関するメカニズムおよび臨床的展望
Shuyun Yu1, Yi Fan1, Bochao You1
1School of Exercise and Health, Shanghai University of Sport, Shanghai 200438, China.
Biology
|January 28, 2026
まとめ
レジスタンス運動(RT)は、分子経路に影響を与えることで、高齢者の認知機能を改善する可能性がある。認知機能向上に最適なRTパラメータを最適化するには、さらなる研究が必要である。
科学分野:
- 老年医学
- 神経科学
- 運動生理学
背景:
- 世界的な高齢化は、認知障害の増加につながっている。
- レジスタンス運動(RT)は、認知機能の健康のための潜在的な非薬理学的介入である。
- RTの認知機能向上効果に関する既存のエビデンスは混在しており、一貫性のない結果が得られている。
研究 の 目的:
- 高齢者の認知機能に対するRTの影響に関する現在のエビデンスをレビューする。
- RTの潜在的な認知機能向上効果の根底にある分子メカニズムを探る。
- 加齢に伴う認知機能低下を軽減するためのRTに関する統合的な視点を提供する。
主な方法:
- 臨床試験および前臨床研究のシステマティックレビュー。
- 認知アウトカムおよび分子シグナル伝達経路に関する知見の統合。
- 運動誘発性マイオカインとその筋肉-脳軸における役割の分析。
主要な成果:
- RTは、記憶力、実行機能、処理速度、視空間能力において潜在的な利点を示す。
- 分子メカニズムには、イリシン、BDNF、IL-6、IL-15、IGF-1などのマイオカインが関与する可能性がある。
- 研究デザインのばらつきや用量反応解析の欠如が、確定的な結論を妨げている。
結論:
- レジスタンス運動は、高齢化集団における認知機能をサポートする可能性を秘めている。
- 筋肉-脳軸の理解は、RT介入を最適化するために不可欠である。
- 認知機能向上に最適なRTパラメータを確立するには、さらなる研究が必要である。
関連する概念動画
Social Cognitive Perspective on Personality
1.0K
Social cognitive perspectives on personality emphasize the importance of conscious awareness, beliefs, expectations, and goals in shaping behavior. These perspectives incorporate behaviorist principles, such as learning through reinforcement and conditioning, but extend beyond them by highlighting human reasoning and planning. Unlike traditional behaviorist views, social cognitive theory focuses on how individuals reflect on their past experiences and plan for future outcomes by considering...
1.0K
Changes in Skin Color: Clinical Perspectives
3.5K
The first thing a clinician sees is the skin, so the examination of the skin should be part of any thorough physical examination. Most skin disorders are relatively benign, but a few, including melanomas, can be fatal if untreated. A couple of the more noticeable disorders, albinism and vitiligo, affect the appearance of the skin and its accessory organs.
Albinism
Albinism is a genetic disorder that affects (completely or partially) the coloring of skin, hair, and eyes. The defect is primarily...
Albinism
Albinism is a genetic disorder that affects (completely or partially) the coloring of skin, hair, and eyes. The defect is primarily...
3.5K
Hypothalamic-Pituitary Axis
65.9K
The response to stress—be it physical or psychological, acute or chronic—involves activation of the Hypothalamic-Pituitary-Adrenal (HPA) axis. The HPA axis is part of the neuroendocrine system because it involves both neuronal and hormonal communication. Its function is to regulate homeostatic systems—metabolic, cardiovascular, and immune—providing the necessary means to respond to a stressor.
65.9K
Functions of Smooth Muscles
3.4K
Smooth muscles are an important type of muscle tissue that plays a vital role in the involuntary movements of internal organs. For example, they help regulate the movement of food through the gut and the flow of blood through the circulatory system.
Function of visceral smooth muscles
Visceral smooth muscle is found in the walls of all hollow organs, except the heart, and is a key player in the involuntary movements that drive the functioning of these internal organs. This tissue is arranged in...
Function of visceral smooth muscles
Visceral smooth muscle is found in the walls of all hollow organs, except the heart, and is a key player in the involuntary movements that drive the functioning of these internal organs. This tissue is arranged in...
3.4K
Cognitive Dissonance
37.5K
Social psychologists have documented that feeling good about ourselves and maintaining positive self-esteem is a powerful motivator of human behavior (Tavris & Aronson, 2008). In the United States, members of the predominant culture typically think very highly of themselves and view themselves as good people who are above average on many desirable traits (Ehrlinger, Gilovich, & Ross, 2005). Often, our behavior, attitudes, and beliefs are affected when we experience a threat to our...
37.5K
Psychodynamic Perspectives on Personality
1.6K
The psychodynamic perspective in psychology asserts that most personality functions operate unconsciously, outside of awareness. This means that the motives and emotions driving behavior often remain hidden, automatically buried in the unconscious mind as a defense mechanism to shield us from psychological distress. According to this theory, the unconscious mind contains thoughts, memories, and emotions that are too disturbing to face directly.
Psychodynamic theorists argue that unconscious...
Psychodynamic theorists argue that unconscious...
1.6K


