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Jan 22, 2021 · Immunoglobulin A (IgA) is a type of antibody. Antibodies are proteins of the immune system that bind to and neutralize pathogens such as bacteria and viruses [ 1 ]. IgA is one of the five immunoglobulin classes (in addition to IgG, IgM, IgD, and IgE) [ 1 ].
Immunoglobulin A ( Ig A, also referred to as sIgA in its secretory form) is an antibody that plays a role in the immune function of mucous membranes. The amount of IgA produced in association with mucosal membranes is greater than all other types of antibody combined. [3]
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Mar 5, 2022 · Selective IgA deficiency is an immune system condition in which you lack or don't have enough immunoglobulin A (IgA), a protein that fights infection (antibody). Most people with selective IgA deficiency don't have recurrent infections.
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IGA, Inc., is an Australian/American voluntary chain of grocery stores that operates in more than 41 countries. Unlike the chain store business model, IGA operates as a franchise through stores that are owned separately from the brand.
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