Definition: The major immunoglobulin isotype class in normal human serum. There are several isotype subclasses of IgG, for example, IgG1, IgG2A, and IgG2B.
gammopathy: coordinate IMMUNOGLOBULIN G (IM) with PARAPROTEINEMIAS (IM) but consider also HYPERGAMMAGLOBULINEMIA, follow text
TNFR-Fc fusion protein [ TNR 001,Enbrel,Immunex brand of etanercept,TNF receptor type II-IgG fusion protein,TNR-001,TNT receptor fusion protein,TNTR-Fc,Wyeth brand of etanercept,etanercept,recombinant human dimeric TNF receptor type II-IgG fusion protein ] reduces tumor necrosis factor activity, as well as cytokine, chemokine, and stress hormone release; used to treat SPONDYLITIS, ANKYLOSING