Definition of IgG

An immunoglobulin isotype (subclass) that characterizes secondary immune responses. This isotype is further broken down into several smaller subclasses (IgG1, IgG2a, IgG2b, IgG3 in the mouse — IgG1-4 in the human), and each subclass is differentially synthesized and secreted into the serum upon differential immune stimuli.

IgG is from the group


Other Names for IgG



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Topics #IgG