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相关概念视频

Biological Causes of Schizophrenia01:29

Biological Causes of Schizophrenia

64
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.
Genetic Factors in Schizophrenia
The genetic basis of schizophrenia is strongly supported by family and twin...
64
Psychological and Sociocultural Causes of Schizophrenia01:29

Psychological and Sociocultural Causes of Schizophrenia

95
Schizophrenia, a complex psychiatric disorder, has been historically misunderstood. Early psychological theories attributed its origins to childhood trauma and unresponsive parenting. However, contemporary research largely rejects these notions, favoring the vulnerability-stress hypothesis. This model proposes that individuals with a genetic predisposition to schizophrenia may develop the disorder following exposure to significant environmental stressors. Notably, studies on high-risk...
95
Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders01:27

Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders

700
Schizophrenia is a neurodevelopmental disorder whose origins are rooted in complex genetic components. Despite our burgeoning understanding, the pathophysiology of this disorder remains incompletely deciphered.
Researchers have identified genetic factors that increase susceptibility to schizophrenia, underscoring the intricate interplay between genetics and environment in disease development. At the core of schizophrenia's pathophysiology is excessive dopaminergic neurotransmission within...
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Schizophrenia01:17

Schizophrenia

95
Schizophrenia, a term introduced by Swiss psychiatrist Eugen Bleuler in 1911, describes a severe psychological disorder marked by profound disruptions in attention, thought processes, language, emotion, and interpersonal relationships. The core feature of schizophrenia is psychosis — a state characterized by a fundamental detachment from reality. This disconnection manifests through distorted logic, impaired perception, and atypical behavior, severely affecting the lives of those...
95
Human Genetics01:28

Human Genetics

588
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.
The complex relationship between genetics and psychology is observable through common biological components such...
588

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相关实验视频

Updated: Jul 13, 2025

Derivation, Expansion, Cryopreservation and Characterization of Brain Microvascular Endothelial Cells from Human Induced Pluripotent Stem Cells
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通过它们的时间表达模式对精神分裂症基因进行分组,有助于功能解释.

Dennis van der Meer1,2, Weiqiu Cheng1, Jaroslav Rokicki1,3

  • 1Division of Mental Health and Addiction, Norwegian Centre for Mental Disorders Research (NORMENT), Oslo University Hospital & Institute of Clinical Medicine, University of Oslo, Oslo, Norway.

Schizophrenia bulletin
|October 12, 2023
PubMed
概括

精神分裂症的发展涉及不同的产前和产后基因表达模式. 在产前发育期间的遗传风险与产后风险相互作用,影响精神分裂症的诊断.

关键词:
二次命中假说是什么?皮质组织的皮质组织.基因表达的基因表达方式神经发育的神经发育多基因风险评分多基因风险评分.精神分裂症是一种精神分裂症.

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相关实验视频

Last Updated: Jul 13, 2025

Derivation, Expansion, Cryopreservation and Characterization of Brain Microvascular Endothelial Cells from Human Induced Pluripotent Stem Cells
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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.
  • 发展生物学 发展生物学

背景情况:

  • 精神分裂症是一种高度遗传的脑部疾病,在成年早期发作.
  • "二击"假设表明早期的神经发育倾向,随后是晚期成熟中断触发症状.

研究的目的:

  • 研究不同基因表达模式在精神分裂症神经发育中的作用.
  • 探索精神分裂症病因学的不同发育阶段的多基因风险评分的相互作用.

主要方法:

  • 在整个生命周期中,从皮质组织中分组了345个精神分裂症相关基因.
  • 在精神分裂症患者和对照人群中计算集群特异性多基因风险得分.
  • 在独立的临床队列中进行复制.

主要成果:

  • 确定了两个基因组:一个在产前 (细胞周期) 上调的,一个在产后 (免疫/神经元通信) 上调的.
  • 发现了显著的相互作用:较高的产前多基因风险在较高的产后多基因风险水平上放大了与精神分裂症的关联.
  • 在3233个个体的独立队列中重复发现.

结论:

  • 精神分裂症在特定的神经发育阶段的不同生物过程中受到干扰的影响.
  • 基因与环境相互作用的建模,通过发育时间来告知,增强了对精神分裂症发展的理解.