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相关概念视频

REM Sleep Behavior Disorder01:15

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REM Sleep Behavior Disorder (RBD) is a sleep disorder characterized by the absence of muscle paralysis that normally occurs during the REM phase of sleep. This absence allows individuals to physically act out their dreams, which are often vivid and disturbing. Common behaviors exhibited during episodes include kicking, punching, and yelling. These actions can be dangerous, potentially leading to injuries for the person with RBD or their bed partner.
RBD is significantly associated with...
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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,...
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Intrinsically Disordered Proteins02:18

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Intrinsically disordered proteins are a group of proteins that do not fold into specific three-dimensional structures. Their structural flexibility allows them to complement ordered proteins to perform functions that are inaccessible to rigid structures. They are more common in eukaryotes than prokaryotes and may either be exclusively intrinsically disordered or hybrid proteins, consisting of a mix of ordered and disordered regions. The absence of a rigid structure in these proteins can be...
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Bone Disorders01:29

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Aging and its effect on bone remodeling is the most common cause of bone disorders. In young and healthy people, bone deposition and resorption happen at an equal rate to maintain optimal bone health.
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Disorders of erythrocytes, or red blood cells (RBCs), include a range of conditions affecting their number, shape, or function.
Erythrocyte disorders can be broadly categorized into two main types: anemic and polycythemic conditions.
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On the other...
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Leukocyte disorders can lead to either leukopenia, characterized by an abnormally low leukocyte count, or leukocytosis, marked by a very high leukocyte number.
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相关实验视频

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Author Spotlight: Unveiling the Connection Between Sleep Disorders and Cognitive Symptoms in Depression
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在REM睡眠行为障碍和神经退行性和精神疾病之间共享的致病途径.

Zhao Zhang, Emma N Somerville, Zih-Hua Fang

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    此摘要是机器生成的。

    这项研究揭示了REM睡眠行为障碍 (RBD) 和神经/精神疾病之间的共同遗传风险. 诸如血清素运输和自等关键途径将RBD与帕金森病等疾病联系起来.

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    科学领域:

    • 遗传学 遗传学 是一个
    • 神经科学是一个神经科学.
    • 睡眠医学 睡眠医学

    背景情况:

    • 孤立/异常性REM睡眠行为障碍 (iRBD) 往往在同核蛋白病变之前出现.
    • 新出现的证据表明iRBD与其他神经/精神疾病之间存在联系.

    研究的目的:

    • 通过使用多基因风险评分 (PRS) 和罕见变异分析,调查iRBD和神经退行性/精神疾病之间的共同遗传风险.
    • 为了确定特定的生物学途径和基因涉及到这些协会.

    主要方法:

    • 基于路径的PRS是使用GWAS数据来构建的神经退行和精神病特征的.
    • 在iRBD病例和对照中进行了罕见变异负荷测试.
    • 分析包括来自国际RBD研究小组和英国生物银行的数据.

    主要成果:

    • 多种途径显示iRBD与神经退行性疾病 (如Lewy体疾病) 和精神疾病 (如PTSD) 之间的共享多基因风险.
    • 血清素运输和伴侣介导的自道表现出与iRBD最强的关联.
    • 通过罕见变异分析,五个基因 (GBA1,PLEKHM1,LRP2,P2RX1,HAP1) 与iRBD有关,其中一些在帕金森病和勒维体痴呆症中复制.

    结论:

    • 这些发现突出了iRBD,神经退行性疾病和精神病特征的共同遗传架构.
    • 结果为早期iRBD识别和理解其潜在机制提供了洞察力.