PICK1 Genetic Variation and Cognitive Function in Patients with Schizophrenia
Yi-Ting Chen1,2, Chieh-Hsin Lin1,3,4, Chiung-Hsien Huang1,2
1Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan.
Scientific Reports
|May 17, 2017
Summary
Genetic variations in the protein interacting with C kinase 1 alpha (PICK1) gene may influence cognitive functions in schizophrenia patients. Specific PICK1 polymorphisms were linked to better performance in certain cognitive tests.
Area of Science:
- Neuroscience
- Genetics
- Psychiatry
Background:
- The protein interacting with C kinase 1 alpha (PICK1) gene has been linked to schizophrenia, but its impact on cognitive function is not well understood.
- Cognitive deficits are a significant issue in schizophrenia, affecting patient outcomes.
- Investigating genetic factors like PICK1 polymorphisms could reveal new insights into schizophrenia's cognitive aspects.
Purpose of the Study:
- To examine the association between specific PICK1 gene polymorphisms (rs2076369, rs3952) and cognitive functions in individuals with schizophrenia.
- To determine if these genetic variations correlate with cognitive performance and clinical symptoms.
Main Methods:
- A cohort of 302 schizophrenia patients was analyzed.
- Cognitive functions and clinical symptoms were assessed across different genetic groups.
- General linear models were employed to analyze the effect of PICK1 polymorphisms on cognitive measures, adjusting for demographic factors.
Main Results:
- Patients with the rs2076369 G/T genotype demonstrated superior performance in overall cognitive scores, neurocognitive composite scores, and specific tests including category fluency and working memory.
- The rs2076369 G/G genotype was associated with better category fluency compared to T/T.
- The rs3952 A/A genotype showed improved performance in the Trail Making Test A compared to G/G.
Conclusions:
- This study provides the first evidence suggesting a link between PICK1 gene polymorphisms and cognitive functions in schizophrenia patients.
- These findings highlight the potential role of PICK1 in the cognitive profile of schizophrenia.
- Further research, including replication in diverse populations, is recommended to validate these associations.
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