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TPL-2 negatively regulates interferon-β production in macrophages and myeloid dendritic cells

Open access
Kaiser, Frank, Cook, Dorthe, Papoutsopoulou, Stamatia, Rajsbaum, Ricardo, Wu, Xuemei, Yang, Huei-Ting, Grant, Susan, Ricciardi-Castagnoli, Paola, Tsichlis, Philip N., Ley, Steven C., O'Garra, Anne·2009·Journal of Experimental Medicine

Abstract

Stimulation of Toll-like receptors (TLRs) on macrophages and dendritic cells (DCs) by pathogen-derived products induces the production of cytokines, which play an important role in immune responses. Here, we investigated the role of the TPL-2 signaling pathway in TLR induction of interferon-β (IFN-β) and interleukin-10 (IL-10) in these cell types. It has previously been suggested that IFN-β and IL-10 are coordinately regulated after TLR stimulation. However, in the absence of TPL-2 signaling, lipopolysaccharide (TLR4) and CpG (TLR9) stimulation resulted in increased production of IFN-β while decreasing IL-10 production by both macrophages and myeloid DCs. In contrast, CpG induction of both IFN-α and IFN-β by plasmacytoid DCs was decreased in the absence of TPL-2, although extracellular signal-regulated kinase (ERK) activation was blocked. Extracellular signal-related kinase–dependent negative regulation of IFN-β in macrophages was IL-10–independent, required protein synthesis, and was recapitulated in TPL-2–deficient myeloid DCs by retroviral transduction of the ERK-dependent transcription factor c-fos.

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Metadata

Authors
Kaiser, F., Cook, D., Papoutsopoulou, S., Rajsbaum, R., Wu, X., Yang, H.-T., Grant, S., Ricciardi-Castagnoli, P., Tsichlis, P. N., Ley, S. C., & O'Garra, A.
Venue
Journal of Experimental Medicine
Published
2009-08-10
Volume
206
Issue
9
Pages
1863-1871
ISSN
  • 0022-1007 (ISSN-L)
  • 1540-9538
OpenAlex
W1989114351
Cited by
167
References
3
FWCI
4.45
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: TPL-2 negatively regulates interferon-β production in macrophages and myeloid dendritic cells. https://app.cochat.ai/papers/10.1084/jem.20091059
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Kaiser, F., Cook, D., Papoutsopoulou, S., Rajsbaum, R., Wu, X., Yang, H.-T., Grant, S., Ricciardi-Castagnoli, P., Tsichlis, P. N., Ley, S. C., & O'Garra, A. (2009). TPL-2 negatively regulates interferon-β production in macrophages and myeloid dendritic cells. Journal of Experimental Medicine. https://doi.org/10.1084/jem.20091059

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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