immunodeficiency, common variable, type 2

A primary immunodeficiency (OMIM:240500) characterised by antibody deficiency, hypogammaglobulinaemia, recurrent bacterial infections and an inability to mount an antibody response to antigens, due to a failure of B-cell differentiation and impaired secretion of immunoglobulins. The number of circulating B-cells is in the low normal range.
Molecular pathology
Caused by defects in TNFRSF13B, which encodes a lymphocyte-specific TNF receptor that plays a key role in humoral immunity.

单词	immunodeficiency, common variable, type 2
释义	immunodeficiency, common variable, type 2 immunodeficiency, common variable, type 2 A primary immunodeficiency (OMIM:240500) characterised by antibody deficiency, hypogammaglobulinaemia, recurrent bacterial infections and an inability to mount an antibody response to antigens, due to a failure of B-cell differentiation and impaired secretion of immunoglobulins. The number of circulating B-cells is in the low normal range. Molecular pathology Caused by defects in TNFRSF13B, which encodes a lymphocyte-specific TNF receptor that plays a key role in humoral immunity.
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