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Related Concept Videos

Biological Causes of Schizophrenia01:29

Biological Causes of Schizophrenia

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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.
Genetic Factors in Schizophrenia
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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.
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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Related Experiment Video

Updated: Jan 10, 2026

Derivation, Expansion, Cryopreservation and Characterization of Brain Microvascular Endothelial Cells from Human Induced Pluripotent Stem Cells
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Functional Genomic Profiling of Schizophrenia-Associated Genes Reveals Key Microglial Regulators.

Joy E Horng1,2, Liam T McCrea1, Rebecca E Batorsky3

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This study used CRISPR screening to investigate schizophrenia-associated genes in microglia, revealing key genes that impact microglial function and identify potential therapeutic targets for schizophrenia.

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Area of Science:

  • Neuroscience
  • Genetics
  • Immunology

Background:

  • Microglia regulate neural development and are implicated in schizophrenia (SCZ).
  • The functional roles of SCZ-associated genes within microglia are largely unknown.
  • Understanding microglial gene function is crucial for SCZ pathophysiology.

Purpose of the Study:

  • To functionally characterize SCZ-associated genes in human microglia-like cells.
  • To identify specific genes impacting microglial phagocytosis and activation.
  • To explore the transcriptional consequences of targeting SCZ-associated genes.

Main Methods:

  • Arrayed CRISPR screening of 30 SCZ-associated genes in human microglia-like cells.
  • High-content confocal imaging to quantify phagocytic activity and cell morphology.
  • Multiplexed RNA sequencing to analyze transcriptional changes post-gene targeting.

Main Results:

  • CRISPR screening identified key genes (e.g., CYFIP1, MSR1, TREM2, SYK, ITGB2, ITGAM, IRF8) modulating microglial phagocytosis and morphology.
  • Targeted genes induced morphological changes indicative of microglial activation states.
  • RNA sequencing revealed gene-specific transcriptional signatures linked to phagocytic, activation, cytoskeletal, and lysosomal pathways.

Conclusions:

  • CRISPR-based functional genomics is effective for characterizing microglial function.
  • Identified SCZ-associated genes have direct functional impacts on microglia.
  • These findings highlight novel genes and mechanisms relevant to schizophrenia pathophysiology.