Article ; Online: The kinetics of signaling through the common FcRγ chain determine cytokine profiles in dendritic cells.
2023 Volume 16, Issue 775, Page(s) eabn9909
Abstract: The common Fc receptor γ (FcRγ) chain is a signaling subunit common to several immune receptors, but cellular responses induced by FcRγ-coupled receptors are diverse. We investigated the mechanisms by which FcRγ generates divergent signals when coupled ... ...
Abstract | The common Fc receptor γ (FcRγ) chain is a signaling subunit common to several immune receptors, but cellular responses induced by FcRγ-coupled receptors are diverse. We investigated the mechanisms by which FcRγ generates divergent signals when coupled to Dectin-2 and Mincle, structurally similar C-type lectin receptors that induce the release of different cytokines from dendritic cells. Chronological tracing of transcriptomic and epigenetic changes upon stimulation revealed that Dectin-2 induced early and strong signaling, whereas Mincle-mediated signaling was delayed, which reflects their expression patterns. Generation of early and strong FcRγ-Syk signaling by engineered chimeric receptors was sufficient to recapitulate a Dectin-2-like gene expression profile. Early Syk signaling selectively stimulated the activity of the calcium ion-activated transcription factor NFAT, which rapidly altered the chromatin status and transcription of the |
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MeSH term(s) | Receptors, Fc ; Kinetics ; Signal Transduction ; Receptors, IgG/genetics ; Cytokines ; Dendritic Cells |
Chemical Substances | Receptors, Fc ; Receptors, IgG ; Cytokines |
Language | English |
Publishing date | 2023-03-07 |
Publishing country | United States |
Document type | Journal Article ; Research Support, Non-U.S. Gov't |
ZDB-ID | 2417226-1 |
ISSN | 1937-9145 ; 1945-0877 |
ISSN (online) | 1937-9145 |
ISSN | 1945-0877 |
DOI | 10.1126/scisignal.abn9909 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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