Genome-Wide Interactions with Dairy Intake for Body Mass Index in Adults of European Descent.
Mol Nutr Food Res
; 62(3)2018 02.
Article
en En
| MEDLINE
| ID: mdl-28941034
SCOPE: Body weight responds variably to the intake of dairy foods. Genetic variation may contribute to inter-individual variability in associations between body weight and dairy consumption. METHODS AND RESULTS: A genome-wide interaction study to discover genetic variants that account for variation in BMI in the context of low-fat, high-fat and total dairy intake in cross-sectional analysis was conducted. Data from nine discovery studies (up to 25 513 European descent individuals) were meta-analyzed. Twenty-six genetic variants reached the selected significance threshold (p-interaction <10-7) , and six independent variants (LINC01512-rs7751666, PALM2/AKAP2-rs914359, ACTA2-rs1388, PPP1R12A-rs7961195, LINC00333-rs9635058, AC098847.1-rs1791355) were evaluated meta-analytically for replication of interaction in up to 17 675 individuals. Variant rs9635058 (128 kb 3' of LINC00333) was replicated (p-interaction = 0.004). In the discovery cohorts, rs9635058 interacted with dairy (p-interaction = 7.36 × 10-8) such that each serving of low-fat dairy was associated with 0.225 kg m-2 lower BMI per each additional copy of the effect allele (A). A second genetic variant (ACTA2-rs1388) approached interaction replication significance for low-fat dairy exposure. CONCLUSION: Body weight responses to dairy intake may be modified by genotype, in that greater dairy intake may protect a genetic subgroup from higher body weight.
Palabras clave
Texto completo:
1
Bases de datos:
MEDLINE
Asunto principal:
Índice de Masa Corporal
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Polimorfismo de Nucleótido Simple
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Productos Lácteos
Tipo de estudio:
Etiology_studies
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Incidence_studies
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Observational_studies
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Prevalence_studies
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Risk_factors_studies
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Systematic_reviews
Límite:
Adult
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Aged
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Female
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Humans
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Male
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Middle aged
Idioma:
En
Revista:
Mol Nutr Food Res
Asunto de la revista:
CIENCIAS DA NUTRICAO
Año:
2018
Tipo del documento:
Article