title: New directions in antinuclear antibody research: the Sm, RNP, Ro, and La antigens are found on small-RNA protein particles.
mesh_terms: D000974:Antibodies, Antinuclear; D000941:Antigens / Q000276:immunology*; D001324:Autoantigens; D002467:Cell Nucleus / Q000276:immunology; D000939:Epitopes; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000276:immunology; D009698:Nucleoproteins / Q000032:analysis* / Q000276:immunology*; D020733:RNA, Small Cytoplasmic; D012261:Ribonucleoproteins / Q000032:analysis* / Q000276:immunology*; D017411:Ribonucleoproteins, Small Nuclear; D055517:snRNP Core Proteins; D000097585:SS-B Antigen; D000099207:SS-A Antigen
chemical_list: D000974:Antibodies, Antinuclear; D000941:Antigens; D001324:Autoantigens; D000939:Epitopes; D009698:Nucleoproteins; D020733:RNA, Small Cytoplasmic; D012261:Ribonucleoproteins; D017411:Ribonucleoproteins, Small Nuclear; D055517:snRNP Core Proteins; D000097585:SS-B Antigen; D000099207:SS-A Antigen; C116006:RO60 protein, human