Prolonged IL-4 Treatment Decreases the Tnp-Specific Memory Formation for IgG1

  • René van Ommen
  • Huub F. J. Savelkoul
Part of the Advances in Experimental Medicine and Biology book series (AEMB, volume 355)

Abstract

IL-4 is a pleiotropic lymphokine, produced mainly by activated T-cells, which has a number of activities on B cells1. It is obligatory for IgE synthesis, and has an enhancing effect on the IgG1 production2. Whereas it is impossible to detect IgE in nematode infected mice which are made IL-4 deficient by gene targetting, IgG1 can be detected, but the level is only one-sixth that of control mice3. The aim of this study was to investigate the effect of prolonged IL-4 treatment on the total and antigen-specific serum IgG1 levels. Furthermore, we investigated the effect of such treatment on the memory formation for IgG1 To that end, BALB/c mice were treated for a period of three months with IL-4 after primary TNP-RIgG immunization. We used a method for cytokine administration that allowed persistent IL-4 levels for a prolonged period of time4.

Keywords

Recombination Penicillin Pyruvate Streptomycin Alginate 

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Copyright information

© Springer Science+Business Media New York 1994

Authors and Affiliations

  • René van Ommen
    • 1
  • Huub F. J. Savelkoul
    • 1
  1. 1.Department of Immunology ErasmusUniversity RotterdamThe Netherlands

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