Branched-chain and aromatic amino acids in relation to behavioral problems among young Inuit from Nunavik, Canada: a
Audray St-Jean1, Salma Meziou1, Cynthia Roy2
1Population Health and Optimal Health Practices Research Unit, CHU de Québec-Université Laval, Québec, Canada.
Abstract:
BackgroundObesity and insulin resistance are linked with mood disorders, and elevated concentrations of branched-chain (BCAAs) and aromatic amino acids (AAAs). Our study aimed to prospectively assess the relationship between childhood plasma BCAAs and AAAs, and behavioral problems in young Inuit from Nunavik.MethodsWe analyzed data on 181 children (with a mean age of 11.4 years at baseline) involved in the Nunavik Child Development Study. Plasma BCAA and AAA concentrations were measured in childhood (2005-2010). BCAA/AAA tertiles-the ratio of total BCAAs to AAAs-were considered as surrogate categorical independent variables. Behavioral problems were assessed with the Youth Self-Report (YSR) from the Child Behavior Checklist about 7 years later during adolescence (2013-2016). ANOVA ascertained relationships between BCAA/AAA tertiles and YSR outcomes.ResultsAscending BCAA/AAA tertiles were positively associated (Ptrend<0.05) with somatic complaint scores. Scores of somatic complaints syndrome were significantly higher (Ptrend <0.05) with increasing BCAA/AAA tertiles among both normal and overweight/obese participants.ConclusionOur results suggest that higher BCAA/AAA ratios in childhood are significantly associated with somatic complaints in adolescence.
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