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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
The genetic basis of schizophrenia is strongly supported by family and twin...
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Updated: Sep 3, 2025

Derivation, Expansion, Cryopreservation and Characterization of Brain Microvascular Endothelial Cells from Human Induced Pluripotent Stem Cells
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Immune-Related Genomic Schizophrenic Subtyping Identified in DLPFC Transcriptome.

Eva Childers1, Elijah F W Bowen1, C Harker Rhodes2

  • 1Dartmouth College, Hanover, NH 03755, USA.

Genes
|July 27, 2022
PubMed
Summary
This summary is machine-generated.

Schizophrenia subtypes show distinct immune pathway involvement. Type 2 schizophrenia patients exhibit widespread neuroinflammation gene expression, unlike Type 1, highlighting the need for molecular subtyping in research.

Keywords:
inflammationschizophreniasubtypestranscriptome

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Area of Science:

  • Neuroscience
  • Psychiatry
  • Immunology

Background:

  • Schizophrenia exhibits significant heterogeneity, suggesting diagnostic subtyping could reveal underlying pathobiology.
  • Increased inflammation is implicated in a subset of schizophrenia patients, but findings are inconsistent, possibly due to treating the disorder as a single entity.

Purpose of the Study:

  • To investigate biological differences between molecularly defined schizophrenia subgroups.
  • To explore the role of neuroinflammation in distinct schizophrenia subtypes.

Main Methods:

  • Post-mortem dorsolateral prefrontal cortex tissue samples from schizophrenia patients were analyzed.
  • Gene expression data from publicly available datasets were used to segregate patients into Type 1 and Type 2 subgroups.
  • Expression of genes related to complement cascade, glial activation, inflammatory mediators, blood-brain barrier integrity, chemokines, and immune cell infiltration was examined.

Main Results:

  • Schizophrenia patients were successfully segregated into Type 1 and Type 2 groups based on gene expression.
  • Type 2 schizophrenics displayed widespread abnormal gene expression across multiple neuroinflammation pathways.
  • These widespread neuroinflammatory changes were not observed in Type 1 schizophrenics.

Conclusions:

  • Molecular subtyping of schizophrenia is crucial for understanding its diverse pathobiology.
  • Immune-related pathways are significantly involved in a specific subset of schizophrenia (Type 2).
  • These findings support the hypothesis that neuroinflammation plays a key role in a portion of schizophrenia cases.