Association of complement receptor 1 gene polymorphisms with cognitive function
L E Zijlstra1, J W Jukema1, S P Mooijaart2
1Department of Cardiology, Leiden University Medical Center , Leiden , The Netherlands.
Physiological Genomics
|December 8, 2017
Summary
Genetic variations in the complement receptor 1 (CR1) gene are linked to cognitive decline in older adults. This research highlights CR1
Area of Science:
- Genetics
- Neuroscience
- Gerontology
Background:
- The complement receptor 1 (CR1) gene has been implicated in the development of Alzheimer's disease.
- Understanding the role of CR1 in cognitive function is crucial for addressing age-related cognitive decline.
Purpose of the Study:
- To investigate the association between CR1 gene single nucleotide polymorphisms (SNPs) and cognitive function in an elderly population.
- To determine if CR1 genetic variations impact general cognitive function beyond Alzheimer's disease.
Main Methods:
- Assessed 73 single nucleotide polymorphisms (SNPs) within the CR1 gene region on chromosome 1 in 5,244 elderly participants.
- Utilized linear regression analysis, adjusting for age, sex, country, and pravastatin use, to examine SNP-cognitive function associations.
- Identified 18 independent CR1 SNPs based on linkage disequilibrium.
Main Results:
- Twelve of the 18 independent CR1 SNPs were significantly associated with a decline in cognitive function (P < 0.05).
- These findings suggest a broader role for CR1 in cognitive health during late life.
Conclusions:
- Genetic variations within the CR1 gene are associated with general cognitive function in older individuals.
- The CR1 gene may serve as a potential target for understanding and mitigating cognitive decline in aging populations.
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