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Sleep medicine v.30, 2017년, pp.210 - 215  

The association between caffeine consumption and objective sleep variables is dependent on ADORA2A c.1083T>C genotypes

Nunes, R.A. ; Mazzotti, D.R. ; Hirotsu, C. ; Andersen, M.L. ; Tufik, S. ; Bittencourt, L. ;
  • 초록  

    Objective: To verify the association between c.1083T>C polymorphism in the adenosine receptor A 2A gene (ADORA2A) and objective sleep, as well as the correlation between caffeine consumption, sleep parameters, and electroencephalographic spectral power in a large, population-based sample from Sao Paulo, Brazil. Methods: This study was conducted in participants of the Sao Paulo Epidemiologic Sleep Study (EPISONO), a large, population-based survey consisting of a representative sample of the inhabitants of the city from Sao Paulo, Brazil, according to sex, age (20-80 years), and socioeconomic status in the year 2007. Questionnaires, polysomnography, spectral analysis of sleep electroencephalogram, and c.1083T>C polymorphism genotyping were performed in this study. Results: We found that caffeine consumption was positively correlated with sleep latency and α spectral power, as well as negatively correlated with percentage of N3 stage and δ spectral power in this stage. However, this association was identified only in T allele carriers and not in CC genotype. Conclusion: Our data support an important aspect of this polymorphism in ADORA2A gene, showing that the variant affects the association between caffeine consumption and objective sleep parameters in a large population-based cohort. Clinical trial information: Name: Epidemiology of sleep disturbances among adult population of the Sao Paulo City. URL: http://www.clinicaltrials.gov/ct2/show/NCT00596713?term = NCT00596713&rank = 1. Number: NCT00596713.


  • 주제어

    Sleep .   Adenosine receptor .   Caffeine intake .   Polymorphism.  

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