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Selective immunoglobulin A deficiency : ウィキペディア英語版 | Selective immunoglobulin A deficiency
Selective immunoglobulin A (IgA) deficiency (SIgAD) is a genetic immunodeficiency. People with this deficiency lack immunoglobulin A (IgA), a type of antibody that protects against infections of the mucous membranes lining the mouth, airways, and digestive tract. It is defined as an undetectable serum IgA level in the presence of normal serum levels of IgG and IgM. It is the most common of the primary antibody deficiencies. ==Epidemiology== Prevalence varies by population, but is on the order of up to 1 in 333 people,〔(【引用サイトリンク】title=IgA Deficiency: Immunodeficiency Disorders: Merck Manual Professional )〕 making it relatively common for a genetic disease. It is more common in males than in females.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Selective immunoglobulin A deficiency」の詳細全文を読む
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