ArticleAnnals of gastroenterology2017
The role of flow cytometry in celiac disease screening using human leukocyte antigen in adult patients with type 1 diabetes mellitus.
Article in Annals of gastroenterology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed, 3 citations in OpenAlex.
- An Overview of Celiac Disease in Childhood Type 1 Diabetes.International journal of endocrinology and metabolism · 2018Review
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11 authors at 1 institution in 1 country.
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Abstract
backgroundPatients with type 1 diabetes mellitus (DM1) have an increased risk of celiac disease (CD). Since CD can be seronegative, more sensible tests for detection are needed. In seronegative patients, CD diagnosis may be difficult because of a lack of specificity. Flow cytometry analysis of lymphocyte populations can be useful in this situation. We aimed to study the prevalence of CD in adult DM1 using human leukocyte antigen (HLA) compatibility-based screening. A secondary goal was to study the role of flow cytometry as a complementary tool in these patients.
methodsWe selected 200 patients with DM1, of whom 190 (95%) had HLA DQ2, DQ8 or both. Of these, 136 agreed to participate and provided epidemiological data. All patients underwent blood tests and gastroscopy.
resultsSixteen patients had a histology consistent with CD. After ruling out other diagnoses, 6 patients were diagnosed with CD, 2 of whom had negative antibodies. All were DQ2.5 homozygous, with a CD prevalence of 9.8% in this group. In the flow cytometry analysis of duodenal biopsy samples, when we compared all non-CD with CD patients, we found that the γ/δ intraepithelial lymphocyte (IEL) percentage was significantly higher and the CD3 negative IEL percentage significantly lower in the CD group. We found similar results when we compared only those with histological lesions.
conclusionsScreening of CD in patients with DM1 by HLA detects only 1% of seronegative patients with CD. DQ2.5 homozygous patients are at most risk of developing CD. The study of lymphocyte populations in the duodenal biopsy by flow cytometry discriminates patients with CD from those without CD with high sensitivity and specificity.
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