Definitions of Ia Like Antigens, Human

  1.   Human immune response or Class II antigens found mainly but not exclusively on B lymphocytes and produced from genes of the HLA D locus They are extremely polymorphic families of glycopeptides each consisting of two chains alpha and beta This group of antigens includes the DR DQ and DP designations of which HLA DR is most studied some of these glycoproteins are associated with certain diseases possibly of immune etiology