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http://purl.uniprot.org/citations/18211635http://www.w3.org/1999/02/22-rdf-syntax-ns#typehttp://purl.uniprot.org/core/Journal_Citation
http://purl.uniprot.org/citations/18211635http://www.w3.org/2000/01/rdf-schema#comment"

Objective

We have previously described an association between use of cod liver oil (a dietary n-3 fatty acid supplement) and reduced risk of type 1 diabetes. n-3 fatty acids are ligands for the peroxisome proliferator-activated receptor-gamma (PPARG), which has recently been implicated in the control of inflammation and possibly autoimmunity. We aimed to estimate the association between the common Pro12Ala polymorphism of PPARG2 and risk of type 1 diabetes, and to test whether there is gene-environment interaction with use of cod liver oil in the first year of life or gene-gene interaction with the established insulin gene (INS) and human leukocyte antigen DQ (HLA-DQ) genetic susceptibility loci.

Methods

We designed a population-based case-control study of childhood-onset type 1 diabetes in Norway with information on use of cod liver oil in the first year of life from questionnaires and PPARG2 genotype data for 483 cases and 1520 control subjects. We used logistic regression for analysis.

Results

The odds ratio for the PPARG2 Ala/Ala or Pro/Ala vs. Pro/Pro genotype and type 1 diabetes was 0.89 (95% CI: 0.69-1.13, p = 0.33). There was no significant interaction with cod liver oil in the first year of life [P (interaction) = 0.35] or with the INS polymorphism [P(interaction) = 0.42].

Conclusions

Although the association between PPARG2 and type 1 diabetes was not significant, the observed odds ratio was almost identical to that observed in two previous studies and can contribute to meta-analysis indicating a weak but significant association. Our hypothesized interaction between cod liver oil and PPARG2 in reducing type 1 diabetes risk was not supported."xsd:string
http://purl.uniprot.org/citations/18211635http://purl.org/dc/terms/identifier"doi:10.1111/j.1399-5448.2007.00263.x"xsd:string
http://purl.uniprot.org/citations/18211635http://purl.uniprot.org/core/author"Ronningen K.S."xsd:string
http://purl.uniprot.org/citations/18211635http://purl.uniprot.org/core/author"Berg J.P."xsd:string
http://purl.uniprot.org/citations/18211635http://purl.uniprot.org/core/author"Joner G."xsd:string
http://purl.uniprot.org/citations/18211635http://purl.uniprot.org/core/author"Stene L.C."xsd:string
http://purl.uniprot.org/citations/18211635http://purl.uniprot.org/core/author"Thorsby P.M."xsd:string
http://purl.uniprot.org/citations/18211635http://purl.uniprot.org/core/date"2008"xsd:gYear
http://purl.uniprot.org/citations/18211635http://purl.uniprot.org/core/name"Pediatr Diabetes"xsd:string
http://purl.uniprot.org/citations/18211635http://purl.uniprot.org/core/pages"40-45"xsd:string
http://purl.uniprot.org/citations/18211635http://purl.uniprot.org/core/title"Peroxisome proliferator-activated receptor-gamma2 Pro12Ala polymorphism, cod liver oil and risk of type 1 diabetes."xsd:string
http://purl.uniprot.org/citations/18211635http://purl.uniprot.org/core/volume"9"xsd:string
http://purl.uniprot.org/citations/18211635http://www.w3.org/2004/02/skos/core#exactMatchhttp://purl.uniprot.org/pubmed/18211635
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