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Clin Immunol Immunopathol. 1990 Aug;56(2):239-48.

Classification of patients with common variable immunodeficiency by B cell secretion of IgM and IgG in response to anti-IgM and interleukin-2.

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  • 1Immunodeficiency Diseases Research Group, Clinical Research Centre, Harrow, United Kingdom.

Abstract

We have classified patients with common variable immunodeficiency (CVI) on the basis of the ability of their B cells to respond to anti-IgM and interleukin (IL)-2 in vitro. Group A had cells unable to secrete IgM or IgG, Group B secreted IgM alone, and Group C secreted both IgM and IgG. A separate small group of patients lacked peripheral B cells. Where Ig secretion was present with anti-IgM and IL-2, EBV increased it, but where it was absent, EBV only induced IgM secretion in two out of eight Group A patients and IgG in one out of five Group B patients. These classifications are related to the sex of the patient and may represent different loci of the block in B-cell differentiation in CVI.

PMID:
2165880
[PubMed - indexed for MEDLINE]
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