- Celiac Disease & Gluten Intolerance Research
Celiac Disease & Gluten Intolerance Research
Ever wonder what happens to all those celiac disease patients who volunteer to do a gluten-challenge in the name of science? Well, the short answer is that they likely suffer, and may incur gut damage, at least in the short term.
Currently, doctors diagnose celiac disease with blood tests that screen for two antibodies, one that targets gluten and another that goes after an intestinal protein. The tests work pretty well to spot advanced cases of celiac disease, but by that time, patients are already suffering intestinal damage.
Up-regulation of T-bet and phosphorylated signal transducers and activators of transcription (pSTAT)1 are key transcription factors for the development of T helper type 1 (Th1) cells, and have been found in the mucosa of patients with untreated celiac disease.
Sweden has seen a sharp rise in cases of celiac disease in children under two years of age. A research team recently studied the possible connection between early infections and celiac disease, along with their possible role in the explosion of celiac cases in Swedish children.
Currently, doctors must still use invasive techniques to distinguish between uncomplicated and complicated forms of celiac disease.
In people with celiac disease, eating wheat, barley, or rye triggers inflammation in the small intestine. Left unchecked, this inflammation causes the gut damage that is associated with untreated celiac disease.
A research team wanted to test the hypothesis that additional celiac disease gene sites exist within the extended major histocompatibility complex (xMHC).
To better understand how interactions between SIgA and CD71 promote transepithelial transport of gliadin peptides, a team of researchers set out to determine if interactions among secretory immunoglobulin A, CD71, and transglutaminase-2 affect permeability of intestinal epithelial cells to gliadin peptides.
In celiac disease, doctors use video capsule endoscopy (VCE) mainly to follow-up on stubborn cases, and to diagnose adenocarcinoma, lymphoma or refractory celiac disease. However, some doctors are suggesting that VCE could replace standard esophagogastroduodenoscopy (EGD) and biopsy in certain circumstances.
To better understand how control of effector T cells by regulatory T cells is inhibited, a team of researchers compared Treg numbers and responses of intestinal and peripheral T lymphocytes to suppression by Tregs in celiac disease patients and in a control group.
Gluten sensitivity has recently been added to the spectrum of gluten-related disorders, but precise diagnostic markers do not yet exist. A research team recently set out to understand the blood test pattern of gluten sensitivity, and to compare it with the blood test pattern seen in celiac disease.
For the first time, researchers looking for a link between gluten and the immune system have been able to visualize the connection, according to new research in the scientific journal, Immunity.
Although most instances of gluten sensitivity manifest as a chronic, autoimmune disorder of the small intestine (celiac disease), around 10% of gluten sensitive patients suffer neurological symptoms. Usually these neurological symptoms accompany the more common intestinal issues, but some patients exhibit neurological symptoms exclusively. For this reason, it is thought that gluten-related symptoms in different parts of the body could be the result of autoimmune reactions to different members of the transglutaminase gene family. A recent lab study suggests that neurological gluten-related symptoms could be the result of an immune reaction to a particular neuronal enzyme known as TG6, and that this reaction occurs separate from other autoimmune reactions to gluten.
Currently, there is no convenient way for people with celiac disease to test food for gluten content. In an effort to change that, University researchers in Spain are developed an accurate, easy to use sensor that can test for gluten in food.
The drug ALV003, a potentially promising treatment celiac disease, made by Alvine Pharmaceuticals, Inc., has received Fast Track designation from the U.S. Food and Drug Administration (FDA).
A number of studies have shown that increased breastfeeding may provide some protection against celiac disease. Other studies show no significant difference in the prevalence of celiac disease between breastfed and non-breastfed patients. What's the deal?
A number of studies support the existence non-celiac gluten sensitivity, which can be marked by both internal and external symptoms in individuals with normal small-bowel mucosa and negative results on serum anti-transglutaminase and anti-endomysial antibody testing. These symptoms are very similar to traditional celiac disease symptoms, and seem to improve or disappear with the adoption of a gluten-free diet.
Last year, ImmusanT's Nexvax2 celiac disease vaccine passed its phase 1 clinical trials in Australia and New Zealand, causing a stir of hope and anticipation within the celiac disease community. It will still be a while before the vaccine is available to the public, but yesterday ImmusanT announced that it commenced phase 1b clinical trials in New Zealand and Australia and phase 1 clinical trials in the U.S.
Celiac disease numbers in Western countries are currently somewhere in the 1:100 range, but this does not account for a host of non-celiac gluten intolerant people. For many, it is common knowledge that gluten and wheat intolerance manifests in a variety of forms, and not all of them are diagnosable as celiac disease. This has not prevented the existence of such non-celiac wheat sensitivities from being debated in scientific circles though. A double-blind placebo-controlled study spanning 2001-2011 demonstrates that wheat sensitivity exists as a distinct clinical condition, separate from celiac disease.
A team of researchers recently set out to determine whether testing IgG and IgA antibodies Against native gliadin was best for diagnosing celiac disease in children under 2-years old. Specifically they wanted to compare the performance of assays for anti-nGli, anti-dGli, anti-tTG, and EmA in this age group.