Artikel: Assignment of weight-based immunoglobulin G1 (IgG1) and IgG2 units in antipneumococcal reference serum lot 89-S(F) for pneumococcal polysaccharide serotypes 1, 4, 5, 7F, 9V, and 18C.
Clinical and diagnostic laboratory immunology
2005 Band 12, Heft 1, Seite(n) 218–223
Abstract: Weight-based assignments for immunoglobulin G1 (IgG1) and IgG2 subclass antibodies to Streptococcus pneumoniae capsular polysaccharides (PnPs) in antipneumococcal standard reference serum lot 89-S (lot 89-S), also known as lot 89-SF, have been determined ...
| Abstract | Weight-based assignments for immunoglobulin G1 (IgG1) and IgG2 subclass antibodies to Streptococcus pneumoniae capsular polysaccharides (PnPs) in antipneumococcal standard reference serum lot 89-S (lot 89-S), also known as lot 89-SF, have been determined for serotypes 1, 4, 5, 7F, 9V, and 18C. This extends the usefulness of lot 89-S beyond the IgG1 and IgG2 subclass assignments for serotypes 3, 6B, 14, 19F, and 23F made previously (A. Soininen, H. Kayhty, I. Seppala, and T. Wuorimaa, Clin. Diagn. Lab. Immunol. 5:561-566, 1998) to cover 11 major serotypes associated with the highest percentage of pneumococcal disease worldwide. A method of equivalence of absorbances in enzyme immunosorbent assays was used to determine the IgG1 and IgG2 antibody concentrations for the additional serotypes in lot 89-S, based on the subclass values previously assigned for PnPs serotypes 6B, 14, and 23F. This cross-standardization method assures consistency with previous antibody assignments in that reference serum. The newly assigned subclass values for serotype 9V, and previously assigned values for serotype 14, were used to quantitate PnPs antibodies in sera from adult and pediatric subjects immunized with a pneumococcal conjugate vaccine. There was a predominance of IgG1 anti-PnPs antibodies in pediatric sera and IgG2 anti-PnPs antibodies in the adult sera. The IgG1 and IgG2 subclass assignments for the 11 PnPs serotypes in antipneumococcal standard reference serum lot 89-S are useful for quantitating and characterizing immune responses to pneumococcal infection and vaccination regimens. |
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| Mesh-Begriff(e) | Adult ; Antibodies, Bacterial/blood ; Antibodies, Bacterial/immunology ; Child ; Humans ; Immunoenzyme Techniques/methods ; Immunoenzyme Techniques/standards ; Immunoglobulin G/blood ; Pneumococcal Infections/blood ; Pneumococcal Infections/immunology ; Pneumococcal Infections/prevention & control ; Pneumococcal Vaccines ; Polysaccharides, Bacterial/immunology ; Reference Standards ; Sensitivity and Specificity ; Serotyping ; Streptococcus pneumoniae/immunology | |||||
| Chemische Substanzen | Antibodies, Bacterial ; Immunoglobulin G ; Pneumococcal Vaccines ; Polysaccharides, Bacterial | |||||
| Sprache | Englisch | |||||
| Erscheinungsdatum | 2005-01 | |||||
| Erscheinungsland | United States | |||||
| Dokumenttyp | Comparative Study ; Journal Article | |||||
| ZDB-ID | 1193675-7 | |||||
| ISSN | 1098-6588 ; 1071-412X | |||||
| ISSN (online) | 1098-6588 | |||||
| ISSN | 1071-412X | |||||
| DOI | 10.1128/CDLI.12.1.218-223.2005 | |||||
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| Datenquelle | MEDical Literature Analysis and Retrieval System OnLINE |
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