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Anti-transglutaminase antibodies (ATA) are autoantibodies against the transglutaminase protein. Detection is considered abnormal, and may indicate one of several conditions . Antibodies serve an important role in the immune system by detecting cells and substances that the rest of the immune system then eliminates.
Anti-transglutaminase antibodies result in a form of gluten sensitivity in which a cellular response to Triticeae glutens that are crosslinked to tTG are able to stimulate transglutaminase specific B-cell responses that eventually result in the production of anti-transglutaminase antibodies IgA and IgG.
Tissue transglutaminase modifies gluten peptides into a form that may stimulate the immune system more effectively. [28] These peptides are modified by tTG in two ways, deamidation or transamidation. [79] Deamidation is the reaction by which a glutamate residue is formed by cleavage of the epsilon-amino group of a glutamine side chain.
The water-accessible surface area of an IgG antibody. Immunoglobulin G (IgG) is a type of antibody. Representing approximately 75% of serum antibodies in humans, IgG is the most common type of antibody found in blood circulation. [1] IgG molecules are created and released by plasma B cells. Each IgG antibody has two paratopes.
Transglutaminase is also used in molecular gastronomy to meld new textures with existing tastes. Besides these mainstream uses, transglutaminase has been used to create some unusual foods. British chef Heston Blumenthal is credited with the introduction of transglutaminase into modern cooking.
IgG. In multiple sclerosis, antibodies to GM1 are dominated by the IgG1, IgG3 and IgG4. [18] Also anti-GM1 IgG has been identified in Guillain–Barré syndrome or chronic inflammatory demyelinating polyradiculoneuropathy. [19] while controlled studies failed to find any significant association with Motor neuron disease. [20] IgA. IgA to ...
The immunodominant site for DQ2.5 is on α2-gliadin. The site is a protease resistant 33mer that has 6 overlapping DQ2.5 restricted epitopes. This creates very strong binding of T-cells for DQ2.5-33mer complexes. DQ2.5 binds gliadin, but the binding is sensitive to deamidation caused by tissue transglutaminase. In almost all case the highest ...
Thyroid function tests (TFTs) is a collective term for blood tests used to check the function of the thyroid. [1] TFTs may be requested if a patient is thought to suffer from hyperthyroidism (overactive thyroid) or hypothyroidism (underactive thyroid), or to monitor the effectiveness of either thyroid-suppression or hormone replacement therapy.