Pathogenesis of IgG4-related disease

Purpose of review To review studies that have examined underlying genetic and immunological aspects of IgG4-related disease. Recent findings Genetic studies have suggested that several human leukocyte antigen (HLA) and non-HLA haplotypes/genotypes are associated with susceptibility to IgG4-related disease or to disease relapse after steroid therapy. Among several autoantibodies identified so far, autoantibodies against lactoferrin and carbonic...