IgA
1
7.1
- noun
- /ˈaɪ dʒi eɪ/
- Specialized
:
IgA
- IgA is the main antibody found in mucous membranes, especially in the gastrointestinal tract.
- serum IgA
- IgA deficiency
- IgA antibody
Examples
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To determine serum concentrations of IgG, IgA, and IgM, the authors used the radial immunodiffusion test with NOR-Partigen immunodiffusion plates.
Academic text (2006) -
If the IgA serology is negative and the laboratory report signs suggest low IgA levels, then the patient should be checked for IgA deficiency.
Academic text (2014) -
But we know in clinical studies and in laboratory studies that IGA, for example, NK and T cells are increased.
-
If gluten poses no threat, the anti-gliadin IgA stays in your gut.
Blog text (29) -
The only case that was missed had selective IgA deficiency and was positive for IgG-class reticulin antibodies.
Academic text (1991) -
Problems may arise if the individual is not taking gluten in the diet, or if they have IgA deficiency so that levels of IgA antibodies are unusually low.
Academic text (2014) -
Microbial colonization of the intestine stimulates B cell class-switch recombination, primarily to IgA, in the PPs and ILFs.
Academic text (2016) -
Instead of completing a small-bowel biopsy on most relatives, a serum reticulin IgA antibody test may be used to predict mucosal atrophy.
Academic text (1991) -
In contrast, bacterial species that are selectively present in the colon have little IgA coating, suggesting that commensals in the colon, for the most part, do not elicit an IgA response.
Academic text (2016) -
Oral dryness can induce lower pH values, alter the electrolyte balance, and decrease secretory IgA, thereby weakening the dentition's defense against caries.
Academic text (1999)
Synonyms
1
6.3
An antibody mainly in the linings of the gut and airways that helps protect them from infection
How Common
Surface Forms
Etymology
The word IgA stands for immunoglobulin A, where immune means 'protection' and globulin comes from a word for a 'small round thing' like a globe. So IgA is the A-type antibody, a protein that helps protect the body's mucous surfaces such as the gut and lungs.