Role of interleukins in induction and regulation of human IgE synthesis.
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| Abstract |
Studies of human IgE synthesis are summarized and provide further insight into the cellular and molecular mechanisms involved in IgE regulation, as well as in the alterations responsible for IgE disregulation in some pathological conditions. These include the demonstration that IL-4 is the essential factor for the induction of human IgE syntheses. Another T cell-derived lymphokine, IFN-gamma negatively regulated the IgE synthesis induced by IL-4. These two lymphokines can be produced by different T helper cells, as shown in mice, but they can also be the product of the same T cells clones. Additional cellular and/or molecular signals appear to be involved in the IL-4-induced IgE synthesis, but their precise role in this process is undetermined. Finally, alternations of one or more of these regulatory mechanisms can be detected in patients with pathological conditions characterized by hyperproduction of IgE. In particular, the increased prevalence of T cells clones able to produce IL-4 appears to be a distinctive feature of patients with common atopy whereas a reduction in the proportion of IFN-gamma-producing T cells seems to be peculiar of both patients with hyper-IgE syndrome and patients with AIDS.
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| Authors | S Romagnani, G Del Prete, E Maggi, P Parronchi, A Tiri, D Macchia, M G Giudizi, F Almerigogna, M Ricci |
| Journal | Clinical immunology and immunopathology (Clin Immunol Immunopathol) Vol. 50 Issue 1 Pt 2 Pg. S13-23 (Jan 1989) ISSN: 0090-1229 [Print] United States |
| PMID | 2562940 (Publication Type: Journal Article) |
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