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相关概念视频

Oppositional Defiant Disorder01:30

Oppositional Defiant Disorder

23
A persistent pattern of angry or irritable mood, defiant behavior, or vindictiveness characterizes Oppositional Defiant Disorder (ODD). Symptoms must occur over at least six months, involve interactions with individuals beyond siblings, and meet specific diagnostic criteria to be clinically significant. The disorder affects emotional regulation, social interactions, and behavior, often manifesting early in life and influencing long-term development and functioning.
Diagnostic Criteria and...
23
Autism Spectrum Disorder01:19

Autism Spectrum Disorder

74
Autism spectrum disorder (ASD) is a neurodevelopmental condition marked by persistent deficits in social communication and interaction alongside restrictive and repetitive behaviors or interests. ASD is sometimes accompanied by intellectual impairment.
These core symptoms manifest differently among individuals, ranging from mild to severe. The disorder's complexity extends beyond its clinical presentation, encompassing a diverse range of biological, cognitive, and sociocultural influences.
74
Obsessive-Compulsive Disorder01:28

Obsessive-Compulsive Disorder

61
Obsessive-compulsive disorder (OCD) is a mental health condition characterized by recurrent obsessions, compulsions, or both, which consume significant time and interfere with daily functioning. Obsessions involve persistent, intrusive, and unwanted thoughts, images, or urges that evoke anxiety. Common examples include irrational fears of contamination or harm. Compulsions are repetitive behaviors or mental acts performed to reduce the anxiety caused by obsessions. For instance, individuals...
61
Dissociative Identity Disorder01:30

Dissociative Identity Disorder

36
Dissociative Identity Disorder (DID), previously termed multiple personality disorder, is a complex psychological condition characterized by the presence of two or more distinct identities or personality states. Each identity exhibits unique patterns of behavior, voice, and mannerisms and may possess separate memories and emotional responses. The alternating control between identities can result in memory gaps and challenges in recalling daily activities, often exacerbating the individual's...
36
Attention-Deficit/Hyperactivity Disorder01:30

Attention-Deficit/Hyperactivity Disorder

47
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....
47
Chronic Bowel Disorders: Introduction01:17

Chronic Bowel Disorders: Introduction

403
Chronic bowel diseases are a group of long-term conditions affecting the digestive tract, characterized by inflammation and damage to the gut lining. These conditions primarily include irritable bowel syndrome and inflammatory bowel disease.
Irritable Bowel Syndrome (IBS) is a common disorder affecting the gastrointestinal tract. The distinctive feature is recurrent abdominal pain associated with altered bowel movements, manifesting as constipation, diarrhea, or fluctuating between both. The...
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相关实验视频

Updated: Jun 11, 2025

A Robust Polymerase Chain Reaction-based Assay for Quantifying Cytosine-guanine-guanine Trinucleotide Repeats in Fragile X Mental Retardation-1 Gene
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A Robust Polymerase Chain Reaction-based Assay for Quantifying Cytosine-guanine-guanine Trinucleotide Repeats in Fragile X Mental Retardation-1 Gene

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重复扩张障碍的发生.

Zhongbo Chen1,2, Huw R Morris3, James Polke4

  • 1Department of Clinical and Movement Neuroscience, University College London Queen Square Institute of Neurology, London, UK zhongbo.chen@ucl.ac.uk mr2022@cam.ac.uk.

Practical neurology
|September 30, 2024
PubMed
概括
此摘要是机器生成的。

重复扩张障碍越来越多地与神经系统疾病 (如CANVAS) 有关. 这篇评论强调了神经病学家的诊断挑战和集体管理策略.

关键词:
脑部动症 (Cerebellar Ataxia) 是一种这是遗传学.分子生物学分子生物学神经遗传学 神经遗传学

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相关实验视频

Last Updated: Jun 11, 2025

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A Robust Polymerase Chain Reaction-based Assay for Quantifying Cytosine-guanine-guanine Trinucleotide Repeats in Fragile X Mental Retardation-1 Gene

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科学领域:

  • 神经学 神经学
  • 遗传学 是一个遗传学.
  • 分子生物学分子生物学

背景情况:

  • 重复扩张障碍是罕见和常见的神经疾病的日益严重的原因.
  • 最近的发现包括CANVAS的新增扩展和27B型脊髓小脑动症.
  • 已知有60多种重复扩张障碍,主要影响神经功能.

研究的目的:

  • 为神经病学家审查重复扩张障碍的特征和诊断挑战.
  • 强调这些疾病的临床异质性和统一因果机制.
  • 讨论当前的基因测试方法及其临床应用.

主要方法:

  • 关于重复扩张障碍的文献综述.
  • 临床表现和诊断特征的分析.
  • 讨论遗传测试方法,包括全基因组测序.

主要成果:

  • 重复扩张障碍带来了重大诊断挑战,但也提供了管理机会.
  • 呈现和遗传学的共同点支持对这些疾病的集体考虑.
  • 临床级全基因组测序正在变得易于用于分子诊断.

结论:

  • 重复扩张障碍是神经系统疾病的一个重要类别.
  • 由于共享的机制,需要采取集体的诊断和管理方法.
  • 基因测序的进步有助于改善分子诊断和临床实践.