GAD65 autoantibodies in women with gestational or insulin dependent diabetes mellitus diagnosed during pregnancy

J S Petersen, Torben Bech Dyrberg, P Damm, C Kühl, L Mølsted-Pedersen, K Buschard

    67 Citationer (Scopus)

    Abstract

    We have studied the presence of GAD65 autoantibodies in women with insulin-dependent diabetes mellitus (IDDM) (n = 28) or gestational diabetes (GDM) (n = 139) diagnosed during pregnancy and investigated the temporal relationship between these autoantibodies and the subsequent recurrence or development of IDDM. Among the GDM patients, 4.3% (6 of 139) developed true IDDM during a median follow-up period of 6.3 years (range 4.0-11.0). Of these, 2.2% (3 of 139) were positive for GAD65 autoantibodies at diagnosis of GDM compared to 0% (0 of 27) of healthy pregnant women. All 3 GAD65 autoantibody positive GDM patients subsequently developed IDDM after a median of 14 months (range 4-34). GAD65 autoantibodies were present in 50% (14 of 28) of sera from women with IDDM diagnosed during pregnancy. The non-insulin-requiring remission period was significantly shorter in GAD65 autoantibody positive patients (median 0.5 years [range 0-6.0 years]) than in GAD65 antibody negative patients (median 2.6 years; range 0-9.7 years; p < 0.05). The results suggest that screening for GAD65 autoantibodies in women with GDM or IDDM diagnosed during pregnancy may be useful for predicting the clinical course of the disease.

    OriginalsprogEngelsk
    TidsskriftDiabetologia
    Vol/bind39
    Udgave nummer11
    Sider (fra-til)1329-33
    Antal sider5
    ISSN0012-186X
    StatusUdgivet - nov. 1996

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