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Contribution of Celiac Disease Autoantibodies to the Disease Process

Celiac.com 05/28/2012 - Two researchers recently conducted an assessment of the contribution of celiac disease autoantibodies to the disease process.

Photo: CC - Argonne National LaboratoryThe researchers were Katri Lindfors, of the Pediatric Research Center, University of Tampere & Tampere University Hospital and Katri Kaukinen, affiliated with both the School of Medicine, at the University of Tampere, and the Department of Gastroenterology & Alimentary Tract Surgery at Tampere University Hospital, both in Tampere, Finland.

The protein transglutaminase 2 is a multifunctional protein that plays a role in cellular adhesion.

Moreover, transglutaminase 2 has been identified as the auto-antigen in celiac disease, and in untreated celiac disease. In addition to being present in the serum, the transglutaminase 2-targeted autoantibodies are bound to their antigen in the basement membrane underlining the small-bowel mucosal epithelium.

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Furthermore, studies have shown that disease-specific transglutaminase 2-targeted autoantibodies have a range of biological effects on different cell types.

By using Caco-2 intestinal epithelial cells, Lindfors and Kaukinen show that serum transglutaminase 2-targeted autoantibodies from untreated celiac patients inhibit the adhesion of these cells.

These results offer an important direction for future research to improve the basic understanding of celiac disease pathogenesis, and especially how disease-specific autoantibodies function as the disease progresses.

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1 Response:

 
JERRY WELCH
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said this on
05 Jun 2012 4:26:33 PM PST
Very interesting as I have celiac and I'm on a gluten free diet. My wife is well read but we are at a loss to find a doctor that is knolageable enough to really help us.




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Morning guys. So long story short. Lost 10 kg back late last year. Stress related I believe. ( I Understand this is a big factor with celiacs) Tested. Found anti bodies in my blood. Doctor states potential Celiacs. Have endoscopy. Doctor who takes procedure doubts I have it. ...

Getting a celiac disease diagnosis is shocking. Expect to go through all the stages of grief. Your best defense is to learn how to read labels, avoid cross contamination and consider eating as few processed foods for a few weeks. It may speed healing (wish someone would have advised me to do s...

That is very helpful. Thank you so much.

I would read it as ?high?. In any case, you were positive on the TTG and the DGP. You only need one positive. I had pretty severe intestinal damage and never even had a positive on the EMA or the TTG even when they were re-run several times during follow-up visits.

Thank you! That does help. I was just confused about the ?negative? under the EMA Titer when my level says ?1:40 high?. Any insight there? Just wondering if it?s further confirming or denying? I first thought confirming.