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Updated: May 7, 2026

A Strategy to Identify de Novo Mutations in Common Disorders such as Autism and Schizophrenia
Published on: June 15, 2011
[Genetics and epigenetics of schizophrenia]
1Dipartimenti di ¹Neurologia e Psichiatria, Università "Sapienza" di Roma.
Schizophrenia is a complex genetic and environmental disorder. Research indicates that while inherited factors create vulnerability, epigenetic modifications influenced by the environment play a crucial role in its development.
Area of Science:
- Psychiatry
- Genetics
- Molecular Biology
Background:
- Schizophrenia affects 0.3-0.7% of the population.
- Family and twin studies suggest both genetic inheritance and environmental factors contribute to schizophrenia.
- Genetic susceptibility loci have been identified across multiple chromosomes.
Purpose of the Study:
- To review the current understanding of schizophrenia's genetic and epigenetic underpinnings.
- To explore the role of environmental factors in schizophrenia pathogenesis.
- To synthesize findings from a PubMed literature search on schizophrenia, genetics, and epigenetics.
Main Methods:
- Bibliographic retrieval on PubMed.
- Keywords used: schizophrenia, genetics, epigenetics.
- Analysis of existing research on genetic and epigenetic factors.
Main Results:
- Multiple genes associated with schizophrenia susceptibility have been identified.
- Epigenetic mechanisms, including DNA methylation, histone modification, and non-coding RNAs, are implicated.
- Specific neurotransmission-related genes (e.g., RELN, COMT, BDNF) show altered methylation patterns.
Conclusions:
- Schizophrenia is a multifactorial disorder.
- Environmental factors interacting with genetic vulnerability are key to pathogenesis.
- Epigenetic modifications are a critical link between environment and genetic predisposition in schizophrenia.
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