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Alpha-1-antichymotrypsin polymorphism in schizophrenia: frequency, age at onset and cognitive function
Neuropsychobiology
|September 4, 1999
Summary
This study investigated the alpha1-antichymotrypsin (ACT) gene
Area of Science:
- Neurogenetics
- Psychiatric Disorders
Background:
- Alpha1-antichymotrypsin (ACT) gene polymorphism is linked to Alzheimer's disease.
- ACT functions as a trophic factor for hippocampal neurons.
Purpose of the Study:
- To investigate the potential role of the ACT gene in the pathogenesis of schizophrenia.
- To examine the association between ACT gene polymorphism and cognitive function in schizophrenia patients.
Main Methods:
- Genotyping of the ACT gene in schizophrenia patients (n=175) and controls (n=114).
- Cognitive function assessment using the Clinical Dementia Rating Scale and Mini-Mental State Examination.
Main Results:
- No significant association was found between ACT polymorphism and schizophrenia.
- No association was observed between ACT polymorphism and cognitive deficits in schizophrenia patients.
Conclusions:
- The ACT gene is unlikely to be a major factor in the development of schizophrenia.
- Further research on ACT expression (mRNA or serum levels) is needed to fully elucidate its role.