Published in
Oxford University Press (OUP), International Journal of Epidemiology, 5(45), p. 1493-1506
DOI: 10.1093/ije/dyw175
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Tools
Metabolic profiling of alcohol consumption in 9778 young adults
,
Sarah Cook,
Qin Wang,
Mika Tiainen,
Tuulia Tynkkynen,
Antti J. Kangas,
Pasi Soininen,
Jaana Laitinen,
Jorma Viikari,
Mika Kahonen,
Mika Kähönen,
Terho Lehtimäki,
Markus Perola,
Stefan Blankenberg,
Tanja Zeller
and other authors.
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Abstract
Background: High alcohol consumption is a major cause of morbidity, yet alcohol is associated with both favourable and adverse effects on cardiometabolic risk markers. We aimed to characterize the associations of usual alcohol consumption with a comprehensive systemic metabolite profile in young adults. Methods: Cross-sectional associations of alcohol intake with 86 metabolic measures were assessed for 9778 individuals from three population-based cohorts from Finland (age 24-45 years, 52% women). Metabolic changes associated with change in alcohol intake during 6-year follow-up were further examined for 1466 individuals. Alcohol intake was assessed by questionnaires. Circulating lipids, fatty acids and metabolites were quantified by high-throughput nuclear magnetic resonance metabolomics and biochemical assays. Results: Increased alcohol intake was associated with cardiometabolic risk markers across multiple metabolic pathways, including higher lipid concentrations in HDL subclasses and smaller LDL particle size, increased proportions of monounsaturated fatty acids and decreased proportion of omega-6 fatty acids, lower concentrations of glutamine and citrate (P