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Related Concept Videos

Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders01:27

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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.
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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.
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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...
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Related Experiment Video

Updated: Nov 5, 2025

A Novel In Vitro Live-imaging Assay of Astrocyte-mediated Phagocytosis Using pH Indicator-conjugated Synaptosomes
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Astrocytes in schizophrenia.

Tina Notter1

  • 1Neuroscience and Mental Health Research Institute, Cardiff University, Cardiff, UK.

Brain and Neuroscience Advances
|May 17, 2021
PubMed
Summary

Altered astrocyte activity is implicated in schizophrenia, a complex mental disorder. Research suggests these glial cells critically impact brain development and function, offering new therapeutic targets.

Area of Science:

  • Neuroscience
  • Psychiatry
  • Cell Biology

Background:

  • Schizophrenia is a severe mental disorder affecting 1% of the global population.
  • Its exact cause remains unknown, but glial cell dysfunction, particularly astrocytes, is increasingly recognized.
  • Astrocytes play crucial roles in neuronal signaling and brain homeostasis.

Purpose of the Study:

  • To provide a concise overview of evidence linking astrocyte abnormalities to schizophrenia.
  • To explore how astrocyte functions contribute to the pathogenesis of schizophrenia.

Main Methods:

  • Review of post-mortem immunohistochemical analyses.
  • Analysis of genetic association studies and transcriptomic investigations.
  • Examination of experimental studies using animal models of astrocyte function.
Keywords:
Astrocytesglutamate hypothesisneurodevelopmentschizophrenia

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Main Results:

  • Evidence strongly suggests astrocytes critically influence neurodevelopmental and homeostatic processes in schizophrenia.
  • Altered astrocyte activity impacts glutamatergic signaling, synaptogenesis, synaptic pruning, and myelination.
  • Data integrates findings from diverse research methodologies.

Conclusions:

  • Astrocytes significantly contribute to the abnormal brain development and functioning seen in schizophrenia.
  • Further research into astrocyte functions in health and disease is crucial for understanding schizophrenia.
  • Elucidating astrocyte roles may reveal novel therapeutic strategies for schizophrenia.