释放高峰表现:Nrf2在提高人体炼成绩和训练适应性方面的作用
Miriam Martinez-Canton1, Victor Galvan-Alvarez1, Marcos Martin-Rincon1
1Department of Physical Education, University of Las Palmas de Gran Canaria, Campus Universitario de Tafira s/n, Las Palmas de Gran Canaria, 35017, Spain; Research Institute of Biomedical and Health Sciences (IUIBS), University of Las Palmas de Gran Canaria, Paseo Blas Cabrera Felipe "Físico" s/n, 35017, Las Palmas de Gran Canaria, Spain.
Free radical biology & medicine
|August 16, 2024
概括
核因子红色素衍生的2-样2 (Nrf2) 对于骨肌肉功能至关重要,调节超过250个基因. 运动激活Nrf2,增强线粒体容量和运动性能,而其缺乏会损害肌肉功能.
科学领域:
- 运动生理学 运动生理学
- 分子生物学分子生物学
- 骨肌肉生物学 骨肌肉生物学
背景情况:
- 核因子红色素衍生的2-样2 (Nrf2) 是一种调节众多细胞过程的转录因子.
- 骨肌中的Nrf2信号由氧化应激和电友激活.
- 运动诱导的活性氧物种 (ROS) 刺激人类骨肌中的Nrf2信号传递.
研究的目的:
- 在急性运动期间研究人类骨肌肉中Nrf2信号传递的机制.
- 探索Nrf2在调解慢性炼适应的作用及其对表现的影响.
- 简要介绍饮食和补充剂对Nrf2表达和运动反应的影响.
主要方法:
- 对肌中Nrf2信号传递现有文献的综述.
- 分析涉及Nrf2淘汰赛小鼠和人类骨肌肉的研究.
- 检查ROS,抗氧化剂,Keap1/Nrf2和运动表现之间的相互作用.
主要成果:
- Nrf2调节了250多个参与关键细胞功能的基因.
- Nrf2淘汰赛小鼠表现出骨肌收缩功能和线粒体容量受损.
- 人类的基线Nrf2表达与最大的氧气吸收和高强度运动性能相关.
结论:
- Nrf2信号传递对于骨肌肉适应运动至关重要.
- Nrf2在调解运动诱导的肌肉功能和性能改善方面发挥着重要作用.
- 饮食和补充剂可能会调节Nrf2活性,影响运动反应.
相关概念视频
Exercise and Muscle Performance
1.4K
Exercise induces a range of adaptations in muscle tissue, depending on the type and duration of activity. Such physical training can be broadly categorized into two types: endurance exercises and resistance exercises.
Endurance exercises
Endurance exercises involve running, swimming, or cycling, which require repetitive movements with low force output. When a person engages in endurance exercise, a few noticeable changes occur in their skeletal muscles. For instance, the number of capillaries...
Endurance exercises
Endurance exercises involve running, swimming, or cycling, which require repetitive movements with low force output. When a person engages in endurance exercise, a few noticeable changes occur in their skeletal muscles. For instance, the number of capillaries...
1.4K
Exercise and Cardiovascular Response
755
Exercise significantly impacts cardiovascular response, which is crucial for understanding patient health and designing effective treatment plans.
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
755
Transducer Mechanism: Nuclear Receptors
1.3K
Nuclear receptors, or NRs, are unique transcription factors that regulate gene transcription and affect the cellular pathways involved in reproduction, development, or metabolism. Their ability to be stimulated by small lipophilic ligands and control vital cellular processes makes them ideal drug targets. Nearly 10-15% of currently prescribed drugs target these receptors.
About 48 different soluble family members of nuclear receptors are identified that can be divided into two main classes:
About 48 different soluble family members of nuclear receptors are identified that can be divided into two main classes:
1.3K
Exercise and Cardiac Output
950
Regular physical activity is essential for maintaining cardiovascular health, with aerobic exercises being particularly effective. According to the American Heart Association, 150 minutes of moderate to intense aerobic exercise per week is recommended for a healthy heart. Aerobic activities may include brisk walking, running, bicycling, cross-country skiing, and swimming, ideally performed three to five times per week.
Sustained exercise increases the muscles' oxygen demand, which can be...
Sustained exercise increases the muscles' oxygen demand, which can be...
950


