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相关概念视频

Sleep Apnea01:21

Sleep Apnea

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Sleep apnea is a condition where breathing stops intermittently during sleep, often leading to significant health issues. Each episode can last from 10 to 20 seconds or more and is frequently accompanied by a brief arousal from sleep. This disturbance, largely unnoticed by the individual, can lead to severe daytime fatigue. Commonly, individuals seek help after being informed by their partners about loud snoring and noticeable breathing pauses during sleep.
The condition is more prevalent among...
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Sleep-Wake Cycles01:24

Sleep-Wake Cycles

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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:
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Human Genetics01:28

Human Genetics

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Human genetics provides a profound framework for understanding the interplay between genetic predispositions and human psychology. At the heart of this discipline lies the study of how genes influence physical traits, behaviors, and susceptibility to diseases. Each person carries a unique genetic code that subtly or significantly shapes their psychological and behavioral landscape.
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Chronic Obstructive Pulmonary Disease-II: Pathophysiology01:20

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Chronic Obstructive Pulmonary Disease (COPD) pathophysiology is intricate and multifaceted, involving a complex interplay of physiological processes. Understanding these mechanisms is crucial for effectively managing and treating COPD. Here is an in-depth look at the critical elements in the pathophysiology of COPD:
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Biological Causes of Schizophrenia01:29

Biological Causes of Schizophrenia

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Schizophrenia, a severe psychiatric disorder, arises from a complex interplay of biological factors, including genetic predisposition, structural brain abnormalities, neurotransmitter dysregulation, and developmental irregularities. These factors collectively contribute to the onset and progression of the disorder, which typically manifests in late adolescence or early adulthood.
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Understanding Sleep01:11

Understanding Sleep

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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.
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Drug-Induced Sleep Endoscopy DISE with Target Controlled Infusion TCI and Bispectral Analysis in Obstructive Sleep Apnea
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与阻塞性睡眠呼吸暂停中大脑结构和功能的改变相关的基因

Yijie Huang1, Chong Shen2, Wei Zhao1,3,4

  • 1Department of Radiology, The Second Xiangya Hospital, Central South University, Changsha 410011, China.

Biomedicines
|January 26, 2024
PubMed
概括

阻塞性睡眠呼吸暂停 (OSA) 改变大脑结构和功能,影响诸如海马和杏仁体等区域. 基因分析揭示了这些大脑变化与突触活动之间的联系.

关键词:
低频波动的幅度是低频波动的幅度.灰色物质的体积,灰色物质的体积.图像成像生物标志物静止状态的fMRI进行.翻译学 翻译学 翻译学 翻译学

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科学领域:

  • 神经成像是一种神经成像.
  • 遗传学 遗传学 是一个
  • 睡眠医学 睡眠医学

背景情况:

  • 阻塞性睡眠呼吸暂停 (OSA) 与大脑结构和功能异常有关.
  • 驱动OSA中这些神经变化的潜在遗传机制尚不清楚.
  • 研究睡眠,认知,遗传学和大脑变化之间的相互作用至关重要.

研究的目的:

  • 探索睡眠特征,认知障碍,遗传因素和OSA患者的大脑结构/功能之间的关系.
  • 确定与OSA中神经成像发现相关的遗传机制.

主要方法:

  • 结构性和休息状态功能性MRI (fMRI) 用于评估大脑结构和活动.
  • 进行了基于voxel的形态学 (VBM) 和低频波动幅度 (ALFF) 分析.
  • 转录组-神经成像空间相关性分析集成基因表达数据与神经成像发现.

主要成果:

  • OSA患者在海马体,杏仁体,尾状体和小脑中显示ALFF增加,在前体中显示ALFF降低.
  • 在OSA患者中,VBM分析表明右下壁叶灰质体积 (GMV) 增加.
  • 功能性丰富分析将与ALFF和GMV变化相关的基因与封闭通道活动,突触传播和谷氨酸突触相关联.

结论:

  • OSA与大脑活动和灰质体积的明显变化有关.
  • 与突触功能和通道活动相关的遗传因素可能是这些OSA诱导的大脑变化的基础.
  • 对这些遗传机制的进一步研究可以为与OSA相关的神经缺陷的有针对性的干预提供信息.