Celiac.com 11/11/2009 - Although doctors view celiac disease mainly as a gastrointestinal disease, it is now known to have widespread systemic manifestations.
The team conducted multiplex cytokine assays on four different groups of adult patients: patients with active celiac disease; patients on a gluten-free diet with positive TTG IgA antibodies, patients on a gluten-free diet with negative antibodies; and those with refractory celiac disease.
They then compared the results against the values in healthy adult controls.
Patients with active celiac disease and those on gluten-free diet with positive antibodies showed substantially higher levels of pro-inflammatory cytokines, such as interferon-, interleukin (IL)–1, tumor necrosis factor–, IL-6 and IL-8, and also Th-2 cytokines such as IL-4 and IL-10, compared with normal controls and patients on a gluten-free diet without antibodies.
One interesting finding was that patients following a gluten-free diet for under 1 year showed substantially higher levels of both pro-inflammatory cytokines and Th2 cytokines compared with the patients on gluten-free diet for more than 1 year.
Moreover, the team noted a statistically significant association between levels of TTG IgA titers and serum levels of Th-2 cytokines IL-4 (p 0.001), IL-10 (p 0.001) and inflammatory cytokines such as IL-1 (p 0.001), IL-1 (p 0.005), and IL-8 (p 0.05).
Journal of Human Immunology, 2009.
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