title: Measuring immunoglobulin g antibodies to tetanus toxin, diphtheria toxin, and pertussis toxin with single-antigen enzyme-linked immunosorbent assays and a bead-based multiplex assay.
abstract: Bead-based assay systems offer the possibility of measuring several specific antibodies in one sample simultaneously. This study evaluated a vaccine panel of a multianalyte system that measures antibodies to tetanus toxin, diphtheria toxin, and pertussis toxin (PT) from Bordetella pertussis. The antibody concentrations of human immunoglobulin G (IgG) to PT, tetanus toxin, and diphtheria toxin were measured in 123 serum pairs (total of 246 sera) from a vaccine study. The multianalyte bead assay was compared to a standardized in-house IgG- anti-PT enzyme-linked immunosorbent assay (ELISA) of the German reference laboratory for bordetellae, as well as to various commercially available ELISAs for anti-PT IgG, anti-tetanus IgG, and anti-diphtheria IgG. The results of the multiplex assay regarding the antibodies against diphtheria toxin compared favorably with a regression coefficient of 0.938 for values obtained with an ELISA from the same manufacturer used as a reference. Similarly, antibodies to tetanus toxin showed a correlation of 0.910 between the reference ELISA and the multianalyte assay. A correlation coefficient of 0.905 was found when an "in-house" IgG anti-PT and the multiplex assay were compared. Compared to single ELISA systems from two other manufacturers, the multiplex assay performed similarly well or better. The multianalyte assay system was a robust system with fast and accurate results, analyzing three parameters simultaneously in one sample. The system was well suited to quantitatively determine relevant vaccine induced antibodies compared to in-house and commercially available single-antigen ELISA systems.
authors.affiliation: Institut Virion\Serion GmbH, Würzburg, Germany.
authors.forename: Sabine
authors.initials: S
authors.lastname: Reder
authors.forename: Marion
authors.initials: M
authors.lastname: Riffelmann
authors.forename: Christian
authors.initials: C
authors.lastname: Becker
authors.forename: Carl Heinz
authors.initials: CH
authors.lastname: Wirsing von König
mesh_terms: D000907:Antibodies, Bacterial / Q000097:blood*; D004167:Diphtheria Toxin / Q000276:immunology; D004797:Enzyme-Linked Immunosorbent Assay / Q000379:methods*; D006801:Humans; D007118:Immunoassay / Q000379:methods* / Q000592:standards / Q000706:statistics & numerical data; D007074:Immunoglobulin G / Q000032:analysis* / Q000276:immunology; D037342:Pertussis Toxin / Q000276:immunology; D012698:Serologic Tests / Q000379:methods / Q000592:standards / Q000706:statistics & numerical data; D013744:Tetanus Toxin / Q000276:immunology
chemical_list: D000907:Antibodies, Bacterial; D004167:Diphtheria Toxin; D007074:Immunoglobulin G; D013744:Tetanus Toxin; D037342:Pertussis Toxin