FADS1 genetic variability interacts with dietary α-linolenic acid intake to affect serum non-HDL-cholesterol concentrations in european adolescents

Julie Dumont, Inge Huybrechts, Andre Spinneker, Frédéric Gottrand, Evangelia Grammatikaki, Noemi Bevilacqua, Krishna Vyncke, Kurt Widhalm, Anthony Kafatos, D. Molnár, Idoia Labayen, Marcela Gonzalez-Gross, Philippe Amouyel, Luis A. Moreno, Aline Meirhaeghe, Jean Dallongeville

Research output: Contribution to journalArticle

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Abstract

Two rate-limiting enzymes in PUFA biosynthesis, δ5- and δ6-desaturases, are encoded by the FADS1 and FADS2 genes, respectively. Genetic variants in the FADS1-FADS2 gene cluster are associated with changes in plasma concentrations of PUFA, HDL- and LDL-cholesterol, and TG. However, little is known about whether dietary PUFA intake modulates these associations, especially in adolescents. We assessed whether dietary linoleic acid (LA) or a-linolenic acid (ALA) modulate the association between the FADS1 rs174546 polymorphism and concentrations of PUFA, other lipids, and lipoproteins in adolescents. Dietary intakes of LA and ALA, FADS1 rs174546 genotypes, PUFA levels in serum phospholipids, and serum concentrations of TG, cholesterol, and lipoproteins were determined in 573 European adolescents from the HELENA study. The sample was stratified according to the median dietary LA (9.4 g/d) and ALA (1.4 g/d) intakes. The associations between FADS1 rs174546 and concentrations of PUFA, TG, cholesterol, and lipoproteins were not affected by dietary LA intake (all P-interaction>0.05). Similarly, the association between the FADS1 rs174546 polymorphism and serum phospholipid concentrations of ALA or EPA was not modified by dietary ALA intake (all P-interaction>0.05). In contrast, the rs174546 minor allele was associated with lower total cholesterol concentrations (P = 0.01 under the dominant model) and non-HDL-cholesterol concentrations (P = 0.02 under the dominant model) in the high-ALA-intake group but not in the low-ALA-intake group (P-interaction = 0.01). These results suggest that dietary ALA intake modulates the association between FADS1 rs174546 and serum total and non-HDL-cholesterol concentrations at a young age.

Original languageEnglish
Pages (from-to)1247-1253
Number of pages7
JournalJournal of Nutrition
Volume141
Issue number7
DOIs
Publication statusPublished - Jul 1 2011

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alpha-Linolenic Acid
Cholesterol
Serum
Linoleic Acid
Phospholipids
Multigene Family
LDL Cholesterol
HDL Cholesterol
Lipoproteins
Alleles
Genotype
Lipids
Enzymes
Genes

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Nutrition and Dietetics

Cite this

Dumont, J., Huybrechts, I., Spinneker, A., Gottrand, F., Grammatikaki, E., Bevilacqua, N., ... Dallongeville, J. (2011). FADS1 genetic variability interacts with dietary α-linolenic acid intake to affect serum non-HDL-cholesterol concentrations in european adolescents. Journal of Nutrition, 141(7), 1247-1253. https://doi.org/10.3945/jn.111.140392

FADS1 genetic variability interacts with dietary α-linolenic acid intake to affect serum non-HDL-cholesterol concentrations in european adolescents. / Dumont, Julie; Huybrechts, Inge; Spinneker, Andre; Gottrand, Frédéric; Grammatikaki, Evangelia; Bevilacqua, Noemi; Vyncke, Krishna; Widhalm, Kurt; Kafatos, Anthony; Molnár, D.; Labayen, Idoia; Gonzalez-Gross, Marcela; Amouyel, Philippe; Moreno, Luis A.; Meirhaeghe, Aline; Dallongeville, Jean.

In: Journal of Nutrition, Vol. 141, No. 7, 01.07.2011, p. 1247-1253.

Research output: Contribution to journalArticle

Dumont, J, Huybrechts, I, Spinneker, A, Gottrand, F, Grammatikaki, E, Bevilacqua, N, Vyncke, K, Widhalm, K, Kafatos, A, Molnár, D, Labayen, I, Gonzalez-Gross, M, Amouyel, P, Moreno, LA, Meirhaeghe, A & Dallongeville, J 2011, 'FADS1 genetic variability interacts with dietary α-linolenic acid intake to affect serum non-HDL-cholesterol concentrations in european adolescents', Journal of Nutrition, vol. 141, no. 7, pp. 1247-1253. https://doi.org/10.3945/jn.111.140392
Dumont, Julie ; Huybrechts, Inge ; Spinneker, Andre ; Gottrand, Frédéric ; Grammatikaki, Evangelia ; Bevilacqua, Noemi ; Vyncke, Krishna ; Widhalm, Kurt ; Kafatos, Anthony ; Molnár, D. ; Labayen, Idoia ; Gonzalez-Gross, Marcela ; Amouyel, Philippe ; Moreno, Luis A. ; Meirhaeghe, Aline ; Dallongeville, Jean. / FADS1 genetic variability interacts with dietary α-linolenic acid intake to affect serum non-HDL-cholesterol concentrations in european adolescents. In: Journal of Nutrition. 2011 ; Vol. 141, No. 7. pp. 1247-1253.
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