Population-based analysis of CETP identifies association between I 405 V and cognitive decline : The Cache County Study
semanticscholar(2014)
Abstract
Cholesterol has been implicated in the pathogenesis of Late-onset Alzheimer's disease (LOAD) and the Cholesteryl Ester Transfer Protein (CETP) is critical to cholesterol regulation within the cell, making CETP an Alzheimer’s disease candidate gene. Several studies have suggested that CETP I405V (rs5882) is associated with cognitive function and LOAD risk, but findings vary and most studies have been conducted using relatively small numbers of samples. To test whether this variant is involved in cognitive function and LOAD progression, we genotyped 4486 subjects with up to twelve years of longitudinal cognitive assessment. Analyses revealed an average 0.6-point decrease per year in the rate of cognitive decline for each additional valine (p < 0.011). We failed to detect association between CETP I405V and LOAD status (p < 0.28). We conclude that CETP I405V is associated with preserved cognition over time but is not associated with LOAD status.
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