| Literature DB >> 12154359 |
Mikhail B Litinskiy1, Bernardetta Nardelli, David M Hilbert, Bing He, Andras Schaffer, Paolo Casali, Andrea Cerutti.
Abstract
Immunoglobulin (Ig) class-switch DNA recombination (CSR) is thought to be highly dependent upon engagement of CD40 on B cells by CD40 ligand on T cells. We show here that dendritic cells up-regulate BLyS and APRIL upon exposure to interferon-alpha, interferon-gamma or CD40 ligand. In the presence of interleukin 10 (IL-10) or transforming growth factor-beta, BLyS and APRIL induce CSR from C(mu) to C(gamma) and/or C(alpha) genes in B cells, whereas CSR to C(epsilon) requires IL-4. Secretion of class-switched antibodies requires additional stimulation by B cell antigen receptor engagement and IL-15. By eliciting CD40-independent Ig class switching and plasmacytoid differentiation, BLyS and APRIL critically link the innate and adaptive immune responses.Entities:
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Year: 2002 PMID: 12154359 PMCID: PMC4621779 DOI: 10.1038/ni829
Source DB: PubMed Journal: Nat Immunol ISSN: 1529-2908 Impact factor: 25.606