title: Differential expression of IgA- and IgM-rheumatoid factors in human disease: evidence for independent regulation of rheumatoid factor isotype production.
mesh_terms: D001172:Arthritis, Rheumatoid / Q000276:immunology*; D001402:B-Lymphocytes / Q000276:immunology; D005922:Glomerulonephritis, IGA / Q000276:immunology; D006801:Humans; D007070:Immunoglobulin A / Q000096:biosynthesis*; D007132:Immunoglobulin Isotypes / Q000096:biosynthesis; D007075:Immunoglobulin M / Q000096:biosynthesis*; D066298:In Vitro Techniques; D012217:Rheumatoid Factor / Q000096:biosynthesis*; D013582:Synovial Fluid / Q000276:immunology
chemical_list: D007070:Immunoglobulin A; D007132:Immunoglobulin Isotypes; D007075:Immunoglobulin M; C034639:polymeric IgA; D012217:Rheumatoid Factor