{"code":"C568","name":"IgG","terminology":"ncit","version":"26.09d","conceptStatus":"DEFAULT","leaf":false,"active":true,"synonyms":[{"name":"IgG","termType":"DN","type":"FULL_SYN","typeCode":"P90","source":"CTRP"},{"name":"IgG","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"Immunoglobulin G","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"IgG","type":"Display_Name","typeCode":"P107"},{"name":"IgG","type":"Preferred_Name","typeCode":"P108"}],"definitions":[{"definition":"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.","code":"P97","type":"DEFINITION","source":"NCI"}],"properties":[{"code":"P322","type":"Contributing_Source","value":"CTRP"},{"code":"P366","type":"Legacy Concept Name","value":"IgG"},{"code":"P106","type":"Semantic_Type","value":"Amino Acid, Peptide, or Protein"},{"code":"P106","type":"Semantic_Type","value":"Immunologic Factor"},{"code":"P207","type":"UMLS_CUI","value":"C0020852"}]}