also known as IgG.monoclonal in Serum
About 70-80% of the immunoglobulin in the blood is IgG. IgG antibodies form the basis of long-term protection against microorganisms. Specific IgG antibodies are produced during an initial infection or exposure, rising a few weeks after it begins, then decreasing and stabilizing. The body retains a catalog of IgG antibodies that can be rapidly reproduced whenever exposed to the same antigen. In those with a normal immune system, sufficient IgG is produced to prevent re-infection. Alternative Name(s): Immunoglobulin G