Common type 2 diabetes risk gene variants associate with gestational diabetes

Jeannet Lauenborg, Niels Grarup, Peter Damm, Knut Borch-Johnsen, Torben Jørgensen, Oluf Pedersen, Torben Hansen

    Publikation: Bidrag til tidsskriftArtikelForskningpeer review

    Abstrakt

    Objective: We aimed to examine the association between gestational diabetes mellitus (GDM) and 11 recently identified type 2 diabetes susceptibility loci. Research Design and Methods: Type 2 diabetes risk variants in TCF7L2, CDKAL1, SLC30A8, HHEX/IDE, CDKN2A/2B, IGF2BP2, FTO, TCF2, PPARG, KCNJ11, and WFS1 loci were genotyped in a cohort of women with a history of GDM (n = 283) and glucose-tolerant women of the population-based Inter99 cohort (n = 2446). Results: All the risk alleles in the 11 examined type 2 diabetes risk variants showed an odds ratio (OR) greater than 1 for the GDM group compared with the control group ranging from 1.13 [95% confidence interval (CI) 0.88-1.46] to 1.44 (95% CI 1.19-1.74) except for the WFS1 rs10010131 variant with OR 0.87 (95% CI 0.73-1.05). Combined analysis of all 11 variants showed a highly significant additive effect of multiple risk alleles on risk of GDM [OR 1.18 (95% CI 1.10-1.27)] per risk allele, P = 3.2 × 10-6). Applying receiver-operating characteristic showed an area under the receiver-operating characteristic curve of 0.62 for the genetic test alone and 0.73 when combining information on age, body mass index, and genotypes of the 11 gene variants. Conclusions: The prevalence in a prior GDM group of several previously proven type 2 diabetes risk alleles equals the findings from association studies on type 2 diabetes. This supports the hypothesis that GDM and type 2 diabetes are two of the same entity.

    OriginalsprogEngelsk
    Sider (fra-til)145-150
    Antal sider6
    TidsskriftJournal of Clinical Endocrinology and Metabolism
    Vol/bind94
    Udgave nummer1
    DOI
    StatusUdgivet - jan. 2009

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