相关实验视频
Updated: Sep 16, 2025

05:05
Establishing a Device for Sleep Deprivation in Mice
Published on: September 22, 2023
1.8K
睡眠不足会改变T细胞的动力学:美拉素作为一种恢复剂
Hilal Öztürk1, Hakan Çalış2,3, Yusuf Metin Gelmez4
1Department of Biophysics, Karadeniz Technical University, Faculty of Medicine, Trabzon, Turkey.
Journal of sleep research
|July 10, 2025
概括
睡眠不足会削弱免疫功能,增加免疫抑制调节T细胞 (Tregs). 黑色素治疗恢复了正常的T细胞水平,突出了它对睡眠剥夺引起的免疫失衡的治疗潜力.
科学领域:
- 免疫学 免疫学 免疫学
- 睡眠科学 睡眠科学
- 内分泌学 在内分泌学.
背景情况:
- 睡眠对健康至关重要,而睡眠不足会损害免疫功能,增加慢性疾病的风险.
- 调节性T细胞 (Tregs) 在免疫系统调节中起着至关重要的作用.
- 了解SD对Tregs和潜在干预措施的影响对于公共卫生至关重要.
研究的目的:
- 调查Tregs在对睡眠剥夺的免疫反应中的作用.
- 评估黑激素在调节SD诱导的免疫变化的治疗效果.
- 在SD和黑激素治疗后分析血液和脏中的Treg种群.
主要方法:
- 利用一个小鼠模型 (C57BL/6J) 与四个实验组:控制,控制与黑色素,SD,和SD与黑色素.
- 通过流细胞计测,在外周血液和脏样本中评估调控性T细胞 (Treg) 水平.
- 量化CD3+T细胞和表达Tregs的Helios转录因子,以评估免疫状态.
主要成果:
- 睡眠不足 (SD) 降低了血液中的CD3+T细胞,但不是脏.
- SD在血液和脏中增加了Helios+Treg水平,表明免疫抑制.
- 黑素的使用恢复了T细胞种群和调节的Treg数,包括Helios+Tregs.
结论:
- 睡眠不足会导致免疫失衡,特征是T细胞种群的变化和免疫抑制Tregs的增加.
- 黑色素在恢复因睡眠剥夺而破坏的免疫恒常状态方面显示出治疗的前景.
- 这些发现突显了SD的免疫后果以及黑激素减轻这些影响的潜力.
相关概念视频
Insufficient Sleep and Sleep Deprivation
222
Insufficient sleep refers to not getting the recommended amount of sleep for optimal functioning, even if it's just slightly less than needed. Sleep insufficiency may occur due to lifestyle choices, such as staying up late for social events or work, resulting in routinely getting less sleep than required. For example, consistently sleeping 6 hours when the body needs 7-9 hours can lead to cumulative effects on health and well-being.
Sleep deprivation is a more severe form of sleep loss...
Sleep deprivation is a more severe form of sleep loss...
222
Management of Insomnia
327
The sleep cycle, an integral part of human health, consists of several stages with distinct characteristics and functions. It begins with a transition from wakefulness to sleep, known as the light sleep phase, followed by the restorative deep sleep phase, essential for physical recovery and growth. The cycle concludes with the Rapid Eye Movement (REM) phase, characterized by high brain activity and vivid dreaming. Insomnia, a prevalent sleep disorder, involves difficulty falling asleep, staying...
327
Understanding Sleep
515
Sleep, an essential biological state, involves significant reductions in physical activity, sensory awareness, and interaction with the environment. This complex physiological process is primarily regulated by specific brain regions, notably the hypothalamus and pons, which govern the sleep-wake cycle or circadian rhythm.
The circadian rhythm, a nearly 24-hour cycle, is deeply influenced by environmental light cues. Light exposure directly affects the hypothalamus, which in turn regulates...
The circadian rhythm, a nearly 24-hour cycle, is deeply influenced by environmental light cues. Light exposure directly affects the hypothalamus, which in turn regulates...
515
Sleep-Wake Cycles
1.6K
Sleep is an essential physiological process vital to maintaining overall well-being. The reticular activating system (RAS), a network of neurons in the brainstem, regulates wakefulness and sleep. While it may seem passive, sleep consists of distinct cycles, each with its unique characteristics and functions. Two key sleep phases are non-rapid eye movement (NREM) and rapid eye movement (REM).
NREM Sleep
NREM sleep comprises four progressive stages that seamlessly merge:
NREM Sleep
NREM sleep comprises four progressive stages that seamlessly merge:
1.6K
Substance Use Disorders Affecting Sleep
225
Substance use disorders involve a pattern of using drugs more extensively than intended and continuing use despite harmful consequences. This includes legal substances like alcohol and nicotine, as well as illegal drugs. These disorders often involve both physical and psychological dependence, reflecting compulsive use of substances that significantly alter thoughts, feelings, and behaviors, contributing to a major public health issue.
Understanding the concepts of physical dependence,...
Understanding the concepts of physical dependence,...
225
Circadian Rhythms and Gene Regulation
4.2K
The biological clock is involved in many aspects of regulating complex physiology in all animals. It was in 1935 when German zoologists, Hans Kalmus and Erwin Bünning, discovered the existence of circadian rhythm in Drosophila melanogaster. However, the internal molecular mechanisms behind the circadian clock remained a mystery until 1984, when Jeffrey C. Hall, Michael Rosbash, and Michael W. Young discovered the expression of the Per gene oscillating over a 24-hour cycle. In subsequent...
4.2K

