首页> 外文期刊>The Journal of Neuroscience: The Official Journal of the Society for Neuroscience >Sleep, Rhythms, and the Endocrine Brain: Influence of Sex and Gonadal Hormones.
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Sleep, Rhythms, and the Endocrine Brain: Influence of Sex and Gonadal Hormones.

机译:睡眠,节律和内分泌脑:性激素和性腺激素的影响。

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摘要

While much is known about the mechanisms that underlie sleep and circadian rhythms, the investigation into sex differences and gonadal steroid modulation of sleep and biological rhythms is in its infancy. There is a growing recognition of sex disparities in sleep and rhythm disorders. Understanding how neuroendocrine mediators and sex differences influence sleep and biological rhythms is central to advancing our understanding of sleep-related disorders. While it is known that ovarian steroids affect circadian rhythms in rodents, the role of androgen is less understood. Surprising findings that androgens, acting via androgen receptors in the master "circadian clock" within the suprachiasmatic nucleus, modulate photic effects on activity in males point to novel mechanisms of circadian control. Work in aromatase-deficient mice suggests that some sex differences in photic responsiveness are independent of gonadal hormone effects during development. In parallel, aspects of sex differences in sleep are also reported to be independent of gonadal steroids and may involve sex chromosome complement. This a summary of recent work illustrating how sex differences and gonadal hormones influence sleep and circadian rhythms that was presented at a Mini-Symposium at the 2011 annual meeting of the Society for Neuroscience.
机译:虽然人们对睡眠和昼夜节律的基础机制了解很多,但对性别差异以及性腺激素对睡眠和生物节律的调节的研究仍处于起步阶段。人们越来越认识到睡眠和节律障碍中的性别差异。了解神经内分泌介体和性别差异如何影响睡眠和生物节律,对于增进我们对睡眠相关疾病的理解至关重要。虽然已知卵巢类固醇会影响啮齿动物的昼夜节律,但对雄激素的作用却鲜为人知。令人惊奇的发现是,雄激素通过在视交叉上核内的主“昼夜节律”中的雄激素受体起作用,调节对男性活动的光化学作用,这表明了昼夜节律控制的新机制。在芳香化酶缺陷型小鼠中的研究表明,光反应性中的某些性别差异与发育过程中性腺激素的作用无关。同时,据报道,睡眠中性别差异的方面也独立于性腺类固醇,可能涉及性染色体互补。这是近期工作的摘要,阐明了性别差异和性腺激素如何影响睡眠和昼夜节律,这是在神经科学学会2011年年会的小型研讨会上提出的。

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