Cited by 561Fatty Acid Research and HealthGenetic Associations and EpidemiologyLipid metabolism and biosynthesis

Common genetic variants of the FADS1 FADS2 gene cluster and their reconstructed haplotypes are associated with the fatty acid composition in phospholipids

Schaeffer, Linda, Gohlke, Henning, Müller, Martina, Heid, Iris M., Palmer, Lyle J., Kompauer, Iris, Demmelmair, Hans, Illig, Thomas +2 more·2006·Human Molecular Genetics

Abstract

Fatty acid composition in membranes plays an important role in cellular processes and has shown to be associated with the aetiology of several complex diseases in humans. We report strong associations between variants in the human delta-5 and delta-6 desaturase genes FADS1 FADS2 and fatty acid composition in serum phospholipids. Eighteen polymorphisms located in this gene cluster were genotyped in 727 adults from Erfurt, a German centre of the European Community Respiratory Health Survey. The cluster is located at chromosome 11q12-11q13.1, a region repeatedly found to be linked with atopy and other complex diseases. Polymorphisms and statistically reconstructed haplotypes of FADS1 and the upstream region of FADS2 showed strongest associations with the level of the direct precursor of inflammatory eicosanoids, the n-6 fatty acid arachidonic acid (C20:4n-6), also strong associations with levels of the n-6 fatty acids C18:2n-6, C18:3n-6, C20:2n-6, C20:3n-6, C22:4n-6 and of the n-3 fatty acids C18:3n-3, C20:5n-3 and C22:5n-3 (P-values < 1.0 x 10(-13)). Carriers of the rare alleles of several SNPs and their respective haplotypes had a lower prevalence of allergic rhinitis and atopic eczema. No association was found for total and specific IgE levels.

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  • The ability to convert ALA into n-3 LCPUFA and the levels of n-3 LCPUFA in plasma phospholipids and red blood cells are individually related to polymorphisms in the human Δ-5 and Δ-6 desaturase genes FADS1 and FADS2.

    “The ability to convert ALA into n-3 LCPUFA and the levels of n-3 LCPUFA in plasma phospholipids and red blood cells are, moreover, individually related to polymorphisms in the human Δ-5 and Δ-6 desaturase genes fatty acid desaturase 1 and 2 (FADS1 and FADS2, respectively) [12].”

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Authors
Schaeffer, L., Gohlke, H., Müller, M., Heid, I. M., Palmer, L. J., Kompauer, I., Demmelmair, H., Illig, T., Koletzko, B., & Heinrich, J.
Affiliations
  • Helmholtz Munich (DE)
  • Institut für Medizinische Informationsverarbeitung, Biometrie und Epidemiologie (DE)
  • The University of Western Australia (AU)
Corresponding author
Schaeffer, Linda
Venue
Human Molecular Genetics
Published
2006-05-02
Volume
15
Issue
11
Pages
1745-1756
ISSN
  • 0964-6906 (ISSN-L)
  • 1460-2083
OpenAlex
W2170504439
Cited by
561
References
58
Citations by year
2026: 10 · 2025: 15 · 2024: 11 · 2023: 16 · 2022: 26 · 2021: 32 · 2020: 24 · 2019: 36 · 2018: 25 · 2017: 21 · 2016: 27 · 2015: 24 · 2014: 40 · 2013: 41 · 2012: 33
FWCI
21.11
Type
journal article
Language
en
Open access
closed
Locations
  • Human Molecular Genetics (publishedVersion)
  • PubMed (publishedVersion)
  • UWA Profiles and Research Repository (UWA) (submittedVersion)
  • Site cant be reached (submittedVersion)
Funders
  • Boehringer Ingelheim Fonds
  • Deutsche Forschungsgemeinschaft
  • Bundesministerium für Bildung und Forschung
Topics
  • Health Sciences › Nursing › Nutrition and Dietetics › Fatty Acid Research and Health
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biochemistry › Lipid metabolism and biosynthesis
Keywords
FADS1, FADS2, delta-5 desaturase, delta-6 desaturase, fatty acid composition, serum phospholipids, genetic polymorphism, haplotype reconstruction, arachidonic acid, omega-6 fatty acids, omega-3 fatty acids, allergic rhinitis, atopic dermatitis, IgE
MeSH terms
Delta-5 Fatty Acid Desaturase, Adult, Chromosomes, Human, Pair 11, Dermatitis, Atopic, Fatty Acids, Female, Multigene Family, Haplotypes, Humans, Hypersensitivity, Immunoglobulin E, Male, Middle Aged, Phospholipids, Polymorphism, Genetic, Rhinitis, Stearoyl-CoA Desaturase, Linkage Disequilibrium, Fatty Acid Desaturases

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