What is crucial for the pathogenesis of celiac disease?

Updated: Oct 10, 2018
  • Author: Stephan U Goebel, MD; Chief Editor: BS Anand, MD  more...
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Answer

The interaction of alcohol-soluble gliadin in wheat, barley, and rye with the mucosa of the small intestine is crucial to the pathogenesis of celiac disease. Endogenous tissue transglutaminase deamidates glutamine in gliadin, converting it from a neutral to a negatively charged protein. Negatively charged gliadin has been shown to induce interleukin 15 in the enteric epithelial cells, stimulating the proliferation of the natural killer cells and intraepithelial lymphocytes to express NK-G2D, a marker for natural killer T lymphocytes. [8]


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