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相关概念视频

Attention-Deficit/Hyperactivity Disorder01:30

Attention-Deficit/Hyperactivity Disorder

67
Attention-deficit/hyperactivity disorder (ADHD) is a neurodevelopmental disorder characterized by persistent inattention, hyperactivity, and impulsivity. It affects approximately 5-8% of children globally, with around 60-70% of cases persisting into adulthood. ADHD has significant implications for educational attainment, social interactions, and occupational success.
Diagnostic Criteria and Symptoms
To diagnose ADHD, symptoms must manifest before age 12 and be evident across multiple settings....
67

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相关实验视频

Updated: Jul 2, 2025

Probing the Brain in Autism Using fMRI and Diffusion Tensor Imaging
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在注意力缺陷/多动症障碍中进行人体转录组阵列分析和扩散张力成像.

Liang-Jen Wang1, Sung-Chou Li2, Wen-Jiun Chou1

  • 1Department of Child and Adolescent Psychiatry, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan.

Journal of psychiatric research
|February 27, 2024
PubMed
概括
此摘要是机器生成的。

研究人员使用基因表达分析在患有注意力缺陷多动症 (ADHD) 的儿童中确定了七个关键的mRNA标记. 这些标记物与扩散张力成像 (DTI) 相结合,有助于预测ADHD,并揭示了对白质变化的洞察力.

关键词:
更多关于 ADHD ADHD 的文章脑部成像 脑部成像在DTI中,DTI是指DTI.转录组 转录组就是一个转录组.白质是白质的组成部分.它们是mRNARNA.

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Using Brain Activation nir-HEG/Q-EEG and Execution Measures CPTs in a ADHD Assessment Protocol
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相关实验视频

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科学领域:

  • 神经科学是一个神经科学.
  • 遗传学 是一个遗传学.
  • 生物标志物 生物标志物

背景情况:

  • 注意缺陷多动症 (ADHD) 是一种复杂的神经发育障碍,其病理生理学不清楚.
  • 遗传和微观结构的大脑变化与ADHD有关,但需要特定的生物标志物.

研究的目的:

  • 使用微阵列分析识别注意力缺陷多动症 (ADHD) 的新型mRNA标记物.
  • 通过定量聚合酶链反应 (qRT-PCR) 验证选择的mRNA标记物的诊断潜力.
  • 通过扩散张力成像 (DTI) 评估的白质微结构完整性与与ADHD相关的基因表达之间的关系.

主要方法:

  • 从ADHD患者和对照对白细胞RNA进行微阵列分析,以确定候选基因.
  • 实时定量聚合酶链反应 (qRT-PCR) 用于验证七个基因 (COX7B,CYCS,TFAM,UTP14A,ZNF280C,IFT57,NDUFB5) 的差异表达.
  • 开发一个ADHD预测模型,使用基因表达数据和扩散张力图像 (DTI) 分析白质道的分析.

主要成果:

  • 七个基因 (COX7B,CYCS,TFAM,UTP14A,ZNF280C,IFT57,NDUFB5) 在ADHD患者和对照人群之间显示出不同的表达.
  • 一个基于这七个基因的预测模型在初始测试中实现了高精度 (AUROC = 0.98),并在验证中实现了高精度 (AUROC = 0.91).
  • 扩散张力成像 (DTI) 揭示了ADHD患者特定白质道的分数异位变异 (FA) 的增加,FA与特定基因表达水平之间存在相关性.

结论:

  • 鉴定到的七个mRNA标记物显示出ADHD诊断和预测的显著潜力.
  • 基因表达模式与ADHD中的白质微结构异常有关.
  • 这项研究提供了一种遗传特征,可能有助于理解ADHD的病变发生.