CXCL13 and congenital rubella syndrome: Indeed, we evaluated inflammatory patterns of CRS patients and the protein levels of total IgA and IgA subclasses in addition to the expression levels of APRIL, BAFF, Iα1-Cα1GLT, Iα2-Cα2 GLT, μGLT, Iα–Cμ CT, AID, and CXCL13.