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    Jefferson Adams
    Jefferson Adams

    By Jefferson Adams •

    Mayo Study Supports Hapten-carrier Theory for the Origin of anti-tTG IgA

    Reviewed and edited by a celiac disease expert.

    Celiac.com 03/26/2009 - The recent discovery that people with celiac disease harbor antibodies  that are specific for deamidated gliadin peptides (DGP), which are the product of tTG binding to gliadin peptides, offers a chance to examine the connection between the production of anti-tTG IgA and the antibodies against DGP in celiac patients.

    A group of researchers led by Doctors Marietta, Rashtak, and Murray from the Mayo Clinic in Rochester, MN recently set out to make just such an examination, and a report on their study appears in the February issue of the World Journal of Gastroenterology.

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    Their data show that the blood level of anti-tTG IgA shares a significant connection with the blood level of anti-DGP of both the IgG and IgA isotypes in people with untreated celiac disease. The same data showed only a weak connection between the production of anti-tTG IgG and anti-DGP IgG/IgA.

    Moreover, the results show that the immune response by T and B cells to deamidated gliadin differs at the most basic level from the immune response by T and B cells to tissue transglutaminase in celiac patients.

    Their results also indicate, however, that the immune responses against deamidated gliadin and tTG are substantially connected, and thereby offer support for the hapten-carrier theory for the origin of anti-tTG IgA.

    World Journal of Gastroenterology; February, 2009.


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  • About Me

    Jefferson Adams

    Jefferson Adams is Celiac.com's senior writer and Digital Content Director. He earned his B.A. and M.F.A. at Arizona State University. His articles, essays, poems, stories and book reviews have appeared in numerous magazines, journals, and websites, including North American Project, Antioch Review, Caliban, Mississippi Review, Slate, and more. He is the author of more than 2,500 articles on celiac disease. His university coursework includes studies in science, scientific methodology, biology, anatomy, physiology, medicine, logic, and advanced research. He previously devised health and medical content for Colgate, Dove, Pfizer, Sharecare, Walgreens, and more. Jefferson has spoken about celiac disease to the media, including an appearance on the KQED radio show Forum, and is the editor of numerous books, including "Cereal Killers" by Scott Adams and Ron Hoggan, Ed.D.

    >VIEW ALL ARTICLES BY JEFFERSON ADAMS

     

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