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Abstract
Aims
Long-chain polyunsaturated fatty acids (PUFAs) generate diverse bioactive lipid mediators, which tightly regulate vascular inflammation. The effects of omega-3 PUFA supplementation in cardiovascular prevention however remain controversial. In addition to direct dietary intake, fatty acid desaturases (FADS) determine PUFA levels. Increased arterial stiffness represents an independent predictor of mortality and cardiovascular events. The aim of the present study was to determine the association of PUFA intake, FADS1 genotype, and FADS expression with arterial stiffness.
Methods and results
A cross-sectional population-based cohort study of 1464 participants without overt cardiovascular disease was conducted. Dietary intake was assessed using a food frequency questionnaire. Arterial stiffness was assessed by carotid–femoral pulse wave velocity (cfPWV), and the FADS1 locus variant was determined. Blood cell transcriptomics was performed in a subset of 410 individuals. Pulse wave velocity was significantly associated with the FADS1 locus variant. Differential associations between PWV and omega-3 PUFA intake were observed depending on the FADS1 genotype. High omega-3 PUFA intake attenuated the FADS1 genotype-dependent associations. Carriers of the minor FADS1 locus variant exhibited increased expression of FADS2, which is associated with PWV.
Conclusion
Taken together, these findings point to FADS1 genotype-dependent associations of omega-3 PUFA intake on subclinical cardiovascular disease. These findings may have implications for identifying responders and non-responders to omega-3 PUFA supplementation and open up for personalized dietary counselling in cardiovascular prevention.
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Details
1 University of Lorraine, INSERM U1116, CIC 1433, FCRIN INI-CRCT, Nancy University Hospital, Nancy, France; Department of Medicine Solna, Karolinska Institutet, 17176 Stockholm, Sweden; Department of Cardiology, Karolinska University Hospital Huddinge, 14186 Stockholm, Sweden
2 University of Lorraine, INSERM U1116, CIC 1433, FCRIN INI-CRCT, Nancy University Hospital, Nancy, France
3 Université de Lorraine, CNRS, UMR 7365, IMoPA, F54000 Nancy, France
4 Department of Medicine Solna, Karolinska Institutet, 17176 Stockholm, Sweden
5 Unit of Cardiovascular and Nutritional Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, 17177 Stockholm, Sweden; Department of Surgical Sciences, Uppsala University, Uppsala, Sweden
6 Département des Sciences de la Santé publique, Université de Liège, Liège, Belgium
7 Centre National de Recherche en Génomique Humaine (CNRGH), Institut de Biologie François Jacob, CEA, Université Paris-Saclay, Evry, France
8 Centre de Recherche en Nutrition Humaine Rhône-Alpes, Univ-Lyon, CarMeN Laboratory, Université Claude Bernard Lyon1, Hospices Civils de Lyon, F-CRIN/FORCE Network, Pierre Bénite, Lyon, France