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相关概念视频

Circadian Rhythms and Gene Regulation02:19

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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...
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相关实验视频

Updated: May 30, 2025

Evaluation of Hemisphere Lateralization with Bilateral Local Field Potential Recording in Secondary Motor Cortex of Mice
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在小鼠和人类前额叶皮层中比较的转录基因节奏.

Jennifer N Burns1,2, Aaron K Jenkins1, Xiangning Xue3

  • 1Translational Neuroscience Program, Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA, United States.

Frontiers in neuroscience
|January 28, 2025
PubMed
概括
此摘要是机器生成的。

这项研究揭示了老鼠和人类之间大脑基因表达节奏的保守但性别特异性差异. 了解这些跨物种变异对于使用动物模型进行精神疾病研究至关重要.

关键词:
昼夜节律是指昼夜节律的节奏.人类死后组织组织.这里是鼠标鼠标鼠标鼠标鼠标鼠标.前额叶皮层前额叶皮层.转录组学 转录组学是指转录组学.

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Comprehensive Analysis of Transcription Dynamics from Brain Samples Following Behavioral Experience
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Comprehensive Analysis of Transcription Dynamics from Brain Samples Following Behavioral Experience

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科学领域:

  • 神经科学是一个神经科学.
  • 基因组学就是基因组学.
  • 时间生物学 时间生物学

背景情况:

  • 人体前额叶皮层 (PFC) 的变化与精神疾病有关.
  • 循环基因表达节奏存在于大脑中,包括PFC,并且在疾病中被破坏.
  • 人类PFC功能的动物模型面临着由于进化专业化的挑战.

研究的目的:

  • 为了比较小鼠和人类PFC子区域之间的转录基因节奏.
  • 为了识别跨物种分子节奏的性别特异性差异.
  • 为心理疾病的翻译研究提供信息.

主要方法:

  • 用RNA测序进行性别特异性跨物种比较.
  • 在小鼠中介性PFC (mPFC) 和人类前 cingulate皮质 (ACC) 和背侧PFC (DLPFC) 中分析了转录组节律.

主要成果:

  • 循环节律信号在物种和PFC子区域之间得到保护.
  • 在老鼠和人类PFC之间存在核心时钟基因表达的性别依赖的相位转移.
  • 节奏转录在很大程度上是每个物种和区域的独特特征,在老鼠mPFC和人类ACC之间的雌性中有明显的重叠.
  • 核心生物过程在物种之间呈现节奏丰富,具有区域和性别特异性的变化.

结论:

  • 转录基因节奏与人类PFC专业化一起表现出进化保护.
  • 在使用动物模型进行精神病学研究时,必须考虑分子节律的跨物种差异.