Cytokine-induced supression and potentiation of hapten-specific immediate hypersensitivity responses

Dominick L. Auci, Gary Kleiner, Altaf Sheikh, Eloy Acosta, T. J. Athanassiadies, M. R. Murali, Helen G. Durkin

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3 Scopus citations


The ability of subcutaneously (s.c.) injected cytokines (IL-4, IL-5, IL-6, IFN alpha, IFN gamma, GMCSF) to regulate the induction of hapten-specific immediate hypersensitivity (IH) responses was studied in BPO-KLH (benzylpenicilloyl-keyhole limpet hemocyanin) sensitized BALB/c mice at the peak of a hapten-specific IgE antibody forming cell (AFC) response. To induce IH responses, mice were injected in the right pinna with either BPO-BSA (benzylpenicilloyl-bovine serum albumin), BPO-KLH (0.01-1.0 μg/ml) or mcAb anti-IgE (0.001 - 1.0 μg/ml); and in the left pinna with an equal volume of saline (0.05 ml). Pinnae were measured 5 min to 4 hr later using a micrometer caliper. Treatment of mice with IL-4 or IFN gamma dramatically suppressed the induction of IH responses in dose dependent fashion. In contrast, treatment of mice with IL-6 and IFN alpha increased these responses in dose dependent fashion, while GMCSF and IL-5 had no effect. The suppression obtained with IL-4 and IFN gamma, and the increases seen with IL-6 and IFN alpha, were transient since these cytokines, as well as GMCSF and IL-5, had no effect on IH responses elicited 21 days after the peak of BPO-specific IgE AFC responses. The data suggest that cytokine mediated effects on IH responses occur via changes in serum levels of BPO-specific IgGl or IgE, through direct or indirect effects of cytokines on mast cells or other cell types, or by affecting the ability of BPO-specific homocytotropic antibodies to bind to mast cell surfaces.

Original languageEnglish (US)
Pages (from-to)205-218
Number of pages14
JournalImmunological Investigations
Issue number3
StatePublished - 1993
Externally publishedYes

ASJC Scopus subject areas

  • Immunology


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