Role of TNFRSF13B variants in patients with common variable immunodeficiency.

To the editor: Sequence variants in TNFRSF13B gene, encoding the transmembrane activator and CAML interactor (TACI) protein, have been associated with common variable immunodeficiency (CVID) and IgA deficiency.[1][1][⇓][2]–[3][3] However, its detection among healthy persons and the absence of a