Article
IgG subclass concentrations and Gm allotypes in IgA-deficient and normal pregnant women.
Experimental and clinical immunogenetics - 1 Jan 1993
Thom H, Main M J, Duffy P, Carter P E
Abstract excerpt
IgG subclass concentrations were measured in the serum of 40 IgA-deficient (IgA concentration < 0.01 milligram) and 38 normal women in the second trimester of pregnancy. In the IgA-deficient group, 2 women were also deficient in IgG2 and IgG4, while a further 10 had very low concentrations of serum IgG4 only. These low IgG4 values were unrelated to the presence of anti-IgA antibodies. The incidence of low IgG4...
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