GLUTEN-FREE DIET DOES NOT INFLUENCE THE OCCURRENCE AND THE TH1/TH17-TH2 NATURE OF IMMUNE-MEDIATED DISEASES IN PATIENTS WITH COELIAC DISEASE

N. Imperatore, A. Rispo, P. Capone, S. Donetto, G.D. De Palma, N. Gerbino, M. Rea, N. Caporaso, R. Tortora

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Abstract

SUMMARYIntroduction Coeliac disease (CD) is the most common Th1-mediated enteropathy, frequently associated with other immune-mediated disorders (IMD). Aims: to evaluate: 1) the prevalence of IMD at the time of and after CD diagnosis; 2) a possible change in immune response to gluten free diet (GFD); 3) the potential role of GFD in reducing and/or preventing IMD in CD. Methods: prospective study including all consecutive adult CD patients who underwent investigations for Th1-Th17/Th2-IMD at the time of CD diagnosis and after a 5-year follow-up period. Results: 1255 CD were enrolled. Of these, 257 patients (20.5%) showed IMD at the time of CD diagnosis, with 58.4% presenting a Th1/Th17-IMD. After a 5-year follow-up period, 682 patients (54.3%) showed new IMD despite GFD. Of these, 57.3% presented a Th1/Th17-IMD and 42.7% a Th2-IMD (p = 0.8). When compared the prevalence of each type of IMD before and after CD diagnosis, we did not identify any significant “switch” from Th1/Th17- to Th2-IMD or vice versa. The number of patients with Th1/Th17- and/or Th2-IMD increased during the GFD period (20.5% vs 54.3%; p < 0.01; OR 1.9). Conclusions: The prevalence of IMD at the time of CD diagnosis is high and it seems to increase in the follow-up period despite GFD.
Original languageEnglish
JournalDIGESTIVE AND LIVER DISEASE
Early online date9 Apr 2016
DOIs
Publication statusE-pub ahead of print - 9 Apr 2016

Keywords

  • Coeliac disease
  • gluten
  • autoimmunity
  • immuno-mediated diseases
  • Th1
  • Th2
  • Th17

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