Selective Deficiency of IgA
Alternate Names : IgA Deficiency
DefinitionSelective deficiency of IgA is defined as low levels of or complete absence of immune globulin A, which causes decreased immune function in the mucosal surfaces (e.g., mouth, gastrointestinal tract, and lungs) and results in increased risk for respiratory and gastrointestinal infections. It is associated with autoimmune diseases.
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