Journal
MICROORGANISMS
Volume 9, Issue 3, Pages -Publisher
MDPI
DOI: 10.3390/microorganisms9030547
Keywords
celiac disease; infections; microbiota; parasites; gluten-free diet; immune response
Categories
Funding
- Technology Agency of the Czech Republic [TH03010019]
- Czech Academy of Sciences [AV21-19]
- [RVO: 61388971]
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Ingestion of wheat gliadin and related proteins can induce celiac disease, which is currently only treated with a gluten-free diet that does not fully restore the small intestinal mucosa. Recent studies suggest microbial involvement in the pathogenic mechanisms of celiac disease, highlighting the potential role of infections in its development.
The ingestion of wheat gliadin (alcohol-soluble proteins, an integral part of wheat gluten) and related proteins induce, in genetically predisposed individuals, celiac disease (CD), which is characterized by immune-mediated impairment of the small intestinal mucosa. The lifelong omission of gluten and related grain proteins, i.e., a gluten-free diet (GFD), is at present the only therapy for CD. Although a GFD usually reduces CD symptoms, it does not entirely restore the small intestinal mucosa to a fully healthy state. Recently, the participation of microbial components in pathogenetic mechanisms of celiac disease was suggested. The present review provides information on infectious diseases associated with CD and the putative role of infections in CD development. Moreover, the involvement of the microbiota as a factor contributing to pathological changes in the intestine is discussed. Attention is paid to the mechanisms by which microbes and their components affect mucosal immunity, including tolerance to food antigens. Modulation of microbiota composition and function and the potential beneficial effects of probiotics in celiac disease are discussed.
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