The Biocare CD19 antibody detects CD19, a transmembrane glycoprotein of the immunoglobulin superfamily encoded by the CD19 gene and regulated by the B-cell-specific activator protein (BSAP).15 CD19 is expressed across nearly all developmental and activation-dependent stages of B-cell differentiation and serves as a key regulator of antigendependent B-cell activation.15 It is expressed in various B-cell […]