Indan Journal of Medical Research Indan Journal of Medical Research Indan Journal of Medical Research Indan Journal of Medical Research
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ORIGINAL ARTICLE
Year : 2019  |  Volume : 149  |  Issue : 1  |  Page : 18-25

Role of anti-tissue transglutaminase IgA+IgG antibodies in detection of potential celiac disease in patients with type 1 diabetes


1 Department of Immunopathology, Postgraduate Institute of Medical Education & Research, Chandigarh, India
2 Department of Endocrinology, Postgraduate Institute of Medical Education & Research, Chandigarh, India
3 Department of Pediatrics, Postgraduate Institute of Medical Education & Research, Chandigarh, India
4 Department of Gastroenterology, Postgraduate Institute of Medical Education & Research, Chandigarh, India
5 Department of Histopathology, Postgraduate Institute of Medical Education & Research, Chandigarh, India

Correspondence Address:
Dr Ranjana W Minz
Department of Immunopathology, Postgraduate Institute of Medical Education & Research, Chandigarh 160 012
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijmr.IJMR_1136_16

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Background & objectives: Celiac disease (CD) can exist in various forms in type 1 diabetes (T1D) patients and can remain undetected, leading to severe complications. This study was aimed to evaluate five commercially available anti-tissue transglutaminase (tTG) ELISA kits with distinct formats for the detection of CD and potential CD in T1D patients. Clinical and demographic profiles of the patients with different disease subsets were also studied. Methods: Fifty T1D patients with classical and non-classical symptoms of CD and 100 T1D patients without any symptoms of CD were included in this study. Anti-tTG autoantibody levels were estimated by five ELISA kits followed by histological examination of duodenal biopsy. HLA DQ2-DQ8 and DRB1-DQB1 typing was done, and serum levels for transforming growth factor (TGF)-β1 were also estimated. Results: Assay format detecting anti-tTG IgA antibodies against recombinant antigens along with neopeptides of gliadin was most efficient in the detection of CD in symptomatic patients, and assay format detecting IgA+IgG helped in the detection of potential CD in asymptomatic T1D patients. These findings were supported by histological examination and human leucocyte antigen analysis. Patients with potential CD were found to have markedly deranged glycaemic control parameters and also had significantly raised serum levels of TGF-β1, (P <0.05) compared to T1D patients. Interpretation & conclusions: Potential CD can be frequently seen in T1D patients. This can be attributed to the dietary patterns prevalent in the subcontinent and the genetic basis of the disease. Anti-tTG IgA+IgG antibodies can be useful in the detection of these potential CD cases in T1D patients. Early intervention with gluten-free diet can be considered in these patients for better disease management.


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