title: Absence of antinuclear antibodies in cryoprecipitates of patients with essential mixed or secondary non-lupoid cryoglobulinemia.
abstract: A panel of autoantibodies has been tested in serum samples and cryoprecipitates of 14 patients affected by essential mixed cryoglobulinemia (EMC) as well as in 12 subjects with secondary non-lupoid cryoglobulinemia (SC). Three out of 14 patients affected by EMC were ANA-positive (2 at 1:40 dilution and one at 1:80 dilution). Two out of 12 patients with SC were ANA-positive (both at 1:40 dilution). No autoantibodies were found in the cryoprecipitates. These data seem to confirm some previous observations and do not indicate a role of autoantibodies in the cryoprecipitate formation.
mesh_terms: D000328:Adult; D000368:Aged; D000974:Antibodies, Antinuclear / Q000032:analysis*; D011232:Chemical Precipitation; D003080:Cold Temperature; D003449:Cryoglobulinemia / Q000145:classification / Q000276:immunology*; D004247:DNA / Q000276:immunology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D008928:Mitochondria / Q000276:immunology; D009130:Muscle, Smooth / Q000276:immunology; D011485:Protein Binding
chemical_list: D000974:Antibodies, Antinuclear; D004247:DNA