title: [Free and bound antigen of Streptococcus group A L forms and the circulating immune complex level of erysipelas patients].
abstract: The level of circulating immune complexes in the blood serum of patients with relapsing erysipelas was found to be correlated with the level of the antigen of group A S. haemolyticus L-forms, this antigen entering in to the composition of the immune complexes. In 68% of cases the antigen of the streptococcal L-forms was bound and only in 20% of cases, free. High titers of antibodies to group A S. haemolyticus L-forms in patients with relapsing erysipelas at the absence of free antigen indirectly suggests that the antigen is incorporated into antigen-antibody complexes.
mesh_terms: D000907:Antibodies, Bacterial / Q000032:analysis; D000936:Antigen-Antibody Complex / Q000032:analysis*; D000942:Antigens, Bacterial / Q000032:analysis*; D001666:Binding Sites, Antibody; D000939:Epitopes / Q000032:analysis; D004886:Erysipelas / Q000276:immunology*; D005609:Free Radicals; D006801:Humans; D007740:L Forms / Q000276:immunology*; D012008:Recurrence; D013297:Streptococcus pyogenes / Q000276:immunology*
chemical_list: D000907:Antibodies, Bacterial; D000936:Antigen-Antibody Complex; D000942:Antigens, Bacterial; D000939:Epitopes; D005609:Free Radicals
vernacular_title: Svobodnyĭ i sviazannyĭ antigen L-form streptokokka gruppy A i uroven' tsirkuliruiushchikh immunykh komplekosov u bol'nykh rozheĭ.