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What is Gluten and Dairy Intolerance? What is the difference between an allergy and intolerance/sensitivity. Latest medical research. Open to the public.
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TOPIC: Usefulness of Gluten-Free Diet in Gluten-Genetically Predisp

Usefulness of Gluten-Free Diet in Gluten-Genetically Predisp 03 Mar 2009 21:11 #593

  • Debra
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THis is an ongoing study in Italy:

Link to study

Usefulness of Gluten-Free Diet in Gluten-Genetically Predisposed Subjects Positive to Intestinal-Mucosa Anti-Transglutaminase Antibodies

IRCCS Burlo Garofolo
University of Trieste
II Pathology Department, Brescia City Hospital, Italy,
Department of Medical Sciences, University of Eastern Piedmont, Novara, Italy

Undetected or untreated CD may cause severe complications later in life, such as autoimmune disorders.

It is recommended for subjects with autoimmune diseases or at risk for CD to be screened for CD and to repeat serological screening about every three years to detect cases of clinically silent, late-onset CD.

Celiac disease (CD) auto-antibodies against tissue transglutaminase (anti-tTG) are produced in the intestinal mucosa even when not measurable in serum. By using the phage display libraries technique it is possible to investigate in vivo (intestinal biopsy) early antibody responses in autoimmune disease. In particularly, this technique demonstrated that the humoral response against tissue transglutaminase occurs at the intestinal mucosal level, and that the human VH5 gene is the commonly used variable region by the celiac patients to build the anti-tTG. The intestinal mucosa production of IgA anti-tTG could be important in the diagnostic work-up of early-stage CD, when mucosal histology is not yet diagnostic.

We propose to first degree relatives of CD patients and to subjects with autoimmune disease a prospective study to uncover early-stage of gluten intolerance by measuring the mucosal VH5 restricted gene family anti-tTG clones in two biopsies: before and after one year of gluten free-diet (GFD).

Aims of this clinical trial are:

  1. to measure by means of phage display libraries the gluten dependent humoral immune response (anti-tTG) of the intestinal mucosa in subjects with high risk of untreated CD, without CD-related intestinal lesions.
  2. to demonstrate the mucosal gluten-dependent immune response before and after 12 months of gluten-free diet
  3. to demonstrate that dietary intervention might modify the clinical condition (e.g improvements of the gastrointestinal complaints or extra-gastrointestinal symptoms) of the enrolled patients and the improvement of the intestinal inflammation with the disappearance of the mucosal anti-tTG.
 Results will be highly anticipated.
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