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  • Title: [Structural and functional characteristics of IgG1- and IgG2-antibody subclasses in the guinea pig. 2. Production and testing of specific antisera against IgG1 and IgG2-antibody subclasses and against Fc-, Fc'- and Fab-papain fragments of IgG2-antibodies in guinea pigs].
    Author: Drössler K, Hädge D, Ambrosius H.
    Journal: Acta Biol Med Ger; 1982; 41(4):393-400. PubMed ID: 7124257.
    Abstract:
    Rabbit antisera against specifically purified guinea pig IgG1 and IgG2 antibodies and against several papain-fragments of IgG2 were produced. These antisera were made specific by absorption with purified immunoglobulin of the other subclass and assayed for monospecificity by two immunological tests. In the macrophage rosette inhibition test, only the anti-IgG2 and the anti-Fab (IgG2) sera were effective. Inhibition of the rosette formation could be obtained at dilutions up to 1:100 or higher. Attempts to induce passive cutaneous anaphylaxis in the guinea pig skin after sensibilization with homocytotropic antibodies were evidently positive only with rabbit anti-guinea pig IgG1 serum. Anti-IgG2 and anti-IgG2 Fab sera revealed a positive reaction in higher concentrated forms (1:2 or 1:5 diluted) only.
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