Thyroid-related autoantibodies in Tunisian patients with coeliac disease

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Abstract

Background:

The aim of our study was to evaluate, retrospectively, the frequency of anti-thyroid antibodies (ATA) in coeliac disease (CD) patients.

Methods:

ELISA was used to determine the frequency of anti-thyroid stimulating hormone receptor antibodies, thyroperoxidase antibodies and thyroglobulin antibodies in sera of 104 adult patients with CD. Patients were divided into three groups: group I, 56 untreated patients; group II, 21 patients on a strict gluten-free diet (GFD); and group III, 27 patients who did not comply with a GFD. Sera of 189 healthy blood donors served as controls.

Results:

Out of 104 patients with CD, five (4.8%) had ATA. The frequency of ATA found in the control group (1.6%) was not significantly different from that found in all CD patients. However, the frequency of ATA in CD patients on a GFD was significantly higher than that found in the control group (8.3% vs. 1.6%, p = 0.03). The frequency of ATA in groups I, II and III was 1.8%, 9.5% and 7.4%, respectively.

Conclusions:

ATA were found in CD patients even on a GFD. Clin Chem Lab Med 2008;46:350-3.

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