Immune response to Oats identified.

oats1People with suffer from an immune response when consuming gluten found in wheat, rye and barley.

The abnormal immune response to gluten damages the small intestine and is associated with symptoms including vomiting and , lethargy, and an increased of and cancer. A new study has identified the reason why some sufferers react to oats as well.

Oats contain proteins, called avenins, that are similar to gluten, oats are excluded from the gluten-free diet in Australia.

The study conducted by the Walter and Eliza Hall Institute, Monash University and US ImmusanT, was conducted over a ten year period. It was detected that oat consumption triggered an immune response in eight per cent of the 73 participants with .

The significance of previous studies performed in test tubes was unclear,” said Dr Melinda Hardy. “By studying people with who had eaten oats, we were able to undertake a detailed profile of the resultant immune response in their . Our study was able to establish the parts of oat avenins that cause an immune response in people with .”

“This study provides specific detail on the parts of oats stimulating immune responses, and highlights the relevance of grains other than wheat in ,” Dr Tye-Din, head of celiac research at the Walter and Eliza Hall Institute, said. “This is a vital piece of the puzzle that informs the development of targeted tests for oat toxicity and the design of new treatments for people with .”

Source

Melinda Y. Hardy, Jason A. Tye-Din, Jessica A. Stewart, Frederike Schmitz, Nadine L. Dudek, Iresha Hanchapola, Anthony W. Purcell, Robert P. Anderson. of oats and barley in patients with mobilizes cross-reactive activated by avenin peptides and immuno-dominant hordein peptides. Journal of Autoimmunity, 2014; DOI: 10.1016/j.jaut.2014.10.003

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