The FOXC2 -512C>T variant is associated with hypertriglyceridaemia and increased serum C-peptide in Danish Caucasian glucose-tolerant subjects

K. Yanagisawa, L. Hingstrup Larsen, G. Andersen, T. Drivsholm, A. Cederberg, R. Westergren, K. Borch-Johnsen, O. Pedersen, S. Enerbäck, T. Hansen

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    Abstrakt

    Aims/hypothesis. The transcription factor FOXC2 plays a key role in adipocyte differentiation and the FOXC2 gene is a candidate gene for Type 2 diabetes, obesity and dyslipidaemia. We investigated whether the FOXC2 -512C〉T promoter variant is associated with Type 2 diabetes or its intermediary phenotypes in glucose tolerant subjects. Methods. The variant was genotyped using PCR-RFLP in 705 unrelated Type 2 diabetic patients, 505 unrelated glucose-tolerant control subjects and 219 glucose-tolerant offspring of Type 2 diabetic probands. Results. The frequency of the T-allele was 58% (95% CI 56-61%) and 59% (56-62%) among the Type 2 diabetic patients and the unrelated glucose-tolerant control subjects, respectively (p=0.6). Among the glucose-tolerant subjects, the T-allele carriers had higher fasting serum triglyceride (p=0.03), fasting serum C-peptide concentrations (p=0.009) and insulino-genic index (p=0.04). Furthermore, in glucose-tolerant women, the waist-to-hip ratio was significantly higher in carriers of the T-allele. Conclusion/interpretation. Our data suggest that the FOXC2 -512C>T variant is not associated with Type 2 diabetes. However, among glucose-tolerant subjects the variant is associated with hypertriglyceridaemia and increased fasting serum C-peptide.

    OriginalsprogEngelsk
    Sider (fra-til)1576-1580
    Antal sider5
    TidsskriftDiabetologia
    Vol/bind46
    Udgave nummer11
    DOI
    StatusUdgivet - 1 nov. 2003

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