title: Lack of C3 activation through classical or alternate pathways by human secretory IgA anti blood group A antibody.
mesh_terms: D000017:ABO Blood-Group System; D000818:Animals; D000918:Antibody Specificity; D001391:Azo Compounds; D001560:Benzidines / Q000031:analogs & derivatives; D002449:Cell Aggregation; D003165:Complement System Proteins; D004586:Electrophoresis; D004912:Erythrocytes / Q000276:immunology; D006168:Guinea Pigs; D006462:Hemolytic Plaque Technique; D006801:Humans; D007070:Immunoglobulin A; D007518:Isoantibodies; D009895:Opsonin Proteins; D011485:Protein Binding
chemical_list: D000017:ABO Blood-Group System; D001391:Azo Compounds; D001560:Benzidines; D007070:Immunoglobulin A; D007518:Isoantibodies; D009895:Opsonin Proteins; D003165:Complement System Proteins