TY - JOUR
T1 - Weekday sunlight exposure, but not vitamin D intake, influences the association between vitamin D receptor genotype and circulating concentration 25-hydroxyvitamin D in a pan-European population
T2 - the Food4Me study
AU - Livingstone, Katherine M
AU - Celis-Morales, Carlos
AU - Hoeller, Ulrich
AU - Lambrinou, Christina P
AU - Moschonis, George
AU - Macready, Anna L
AU - Fallaize, Rosalind
AU - Baur, Manuela
AU - Roos, Franz F
AU - Bendik, Igor
AU - Grimaldi, Keith
AU - Navas-Carretero, Santiago
AU - San-Cristobal, Rodrigo
AU - Weber, Peter
AU - Drevon, Christian A
AU - Manios, Yannis
AU - Traczyk, Iwona
AU - Gibney, Eileen R
AU - Lovegrove, Julie A
AU - Saris, Wim H
AU - Daniel, Hannelore
AU - Gibney, Mike
AU - Martinez, J Alfredo
AU - Brennan, Lorraine
AU - Hill, Tom R
AU - Mathers, John C
AU - Food4Me Study
N1 - © 2016 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim
PY - 2017/2/1
Y1 - 2017/2/1
N2 - SCOPE: Little is known about diet- and environment-gene interactions on 25-hydroxyvitamin D (25(OH)D concentration. This cross-sectional study aimed to investigate i) predictors of 25(OH)D concentration and relationships with vitamin D genotypes and ii) whether dietary vitamin D intake and sunlight exposure modified these relationships.METHODS AND RESULTS: Participants from the Food4Me study (n = 1312; age 18-79) were genotyped for vitamin D receptor (VDR) and vitamin D binding protein at baseline and a genetic risk score was calculated. Dried blood spot samples were assayed for 25(OH)D concentration and dietary and lifestyle information collected. Circulating 25(OH)D concentration was lower with increasing genetic risk score, lower in females than males, higher in supplement users than non-users and higher in summer than winter. Carriage of the minor VDR allele was associated with lower 25(OH)D concentration in participants with the least sunlight exposure. Vitamin D genotype did not influence the relationship between vitamin D intake and 25(OH)D concentration.CONCLUSION: Age, sex, dietary vitamin D intake, country, sunlight exposure, season and vitamin D genetic risk score were associated with circulating 25(OH)D concentration in a pan-European population. The relationship between VDR genotype and 25(OH)D concentration may be influenced by weekday sunlight exposure but not dietary vitamin D intake. This article is protected by copyright. All rights reserved.
AB - SCOPE: Little is known about diet- and environment-gene interactions on 25-hydroxyvitamin D (25(OH)D concentration. This cross-sectional study aimed to investigate i) predictors of 25(OH)D concentration and relationships with vitamin D genotypes and ii) whether dietary vitamin D intake and sunlight exposure modified these relationships.METHODS AND RESULTS: Participants from the Food4Me study (n = 1312; age 18-79) were genotyped for vitamin D receptor (VDR) and vitamin D binding protein at baseline and a genetic risk score was calculated. Dried blood spot samples were assayed for 25(OH)D concentration and dietary and lifestyle information collected. Circulating 25(OH)D concentration was lower with increasing genetic risk score, lower in females than males, higher in supplement users than non-users and higher in summer than winter. Carriage of the minor VDR allele was associated with lower 25(OH)D concentration in participants with the least sunlight exposure. Vitamin D genotype did not influence the relationship between vitamin D intake and 25(OH)D concentration.CONCLUSION: Age, sex, dietary vitamin D intake, country, sunlight exposure, season and vitamin D genetic risk score were associated with circulating 25(OH)D concentration in a pan-European population. The relationship between VDR genotype and 25(OH)D concentration may be influenced by weekday sunlight exposure but not dietary vitamin D intake. This article is protected by copyright. All rights reserved.
U2 - 10.1002/mnfr.201600476
DO - 10.1002/mnfr.201600476
M3 - Article
C2 - 27682437
SN - 1613-4125
VL - 61
JO - Molecular nutrition & food research
JF - Molecular nutrition & food research
IS - 2
ER -