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Immune System Cells May Trigger Food Allergies and Gastrointestinal Inflammation

Nature Immunology 2, 353 - 360 (April 2001)

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Celiac.com 04/12/2001 - According to an article published in the April issue of Nature Immunology, Dr. Marc Rothenberg and colleagues at the Childrens Hospital Medical Center in Cincinnati, Ohio performed a series of experiments on mice which led them to the conclusion that white blood cells called eosinophils could be the cause of many food allergies and gastrointestinal inflammation. The researchers believe that the eosinophil cells, which are present throughout the body, mistakenly identify food proteins as germs in individuals with food allergies. When the intestinal lining of an allergic person is exposed to an allergen, a substance called eotaxin is released by the cells lining the intestine, which causes the eosinophil cells and other immune cells to attack them and release powerful proteins that destroy the surrounding tissues and cause eosinophilic inflammation.

The results of this study are unique because this is the first time eosinophils cells have been implicated in causing allergies, even though scientists have known for some time that they were present in great numbers at the sites of inflammation caused by reactions to food. The implication of this study is the possible development of drugs that stop this reaction from occurring, and thus prevent digestive inflammation and destruction that occurs when people with food allergies eat foods to which they are allergic. These results put scientists one step further in understanding how and why the digestive system is attacked in certain individuals, and a possible means of one day controlling the process.

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1 Response:

 
MarY
Rating: ratingfullratingfullratingfullratingfullratingfull Unrated
said this on
24 Jan 2008 7:40:46 AM PDT
My doctor needs this information!




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So just to clarify had not consumed any gluten for about 4 days before testing. I was assured by my allergist that it wouldn't affect the test. But what was alarming was that she retested my food allergies (my most recent reaction was two weeks ago) and every food allergy I have came back negative. I don't understand how that is possible. These food allergies developed when I was 20 and I am almost 24 now.

Thanks! You too! I have learned from this experience to take charge of my own health. It's nice at least that we can try the gluten-free treatment without a firm diagnosis or a doctor confirming the disease. I've also felt some of the gluten withdrawal symptoms, and my stomach pain ebbs and flows, but I'm determined to stick with the gluten-free diet to see what a difference it makes. Gemini, thank you! This was really validating and useful for me to hear. I've felt so confused through this process and just want some answers. If the biopsy results do come back negative, I'm going to follow your advice and do the gluten-free diet with repeat blood testing after a while. If they come back positive, well, then I'll have my answer. I'm supposed to get them back next week.

I have celiac and eosinaphalic esophagitis. I was put on a steroid inhaler recently. I use it like an inhaler but swallow the air instead of breathing it in. You may want to look into EOE and it's relationship to celiac. Just a thought. My swallowing and celiac seem to be related.

You have eat gluten every single day until after testing. And the celiac blood test is supposed to be done as well.

If I was the big guy, there's no way I would have to wait 3 and a half weeks for a test lol. My GI doc never recommended the antibody test. He said doing it with the scope was the only sure way to know. Does anybody know if I should eat a little gluten the day before my test to see if I will get an accurate enough test? Or will it not matter, once the damage is done it's done?