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Journal of Leukocyte Biology
Article . 2010 . Peer-reviewed
License: OUP Standard Publication Reuse
Data sources: Crossref
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Synergism of NOD2 and NLRP3 activators promotes a unique transcriptional profile in murine dendritic cells

Authors: Cristina, Conforti-Andreoni; Ottavio, Beretta; Ginevra, Licandro; Hong Liang, Qian; Matteo, Urbano; Federico, Vitulli; Paola, Ricciardi-Castagnoli; +1 Authors

Synergism of NOD2 and NLRP3 activators promotes a unique transcriptional profile in murine dendritic cells

Abstract

Abstract The NLR pathways activated by monosodium urate and muramyl dipeptide at a transcriptional level lead to a specific pro-inflammatory signatures. NLRs are cytoplasmic proteins that sense cellular stress and intracellular damage resulting from pathogen uptake. To date, the role of NLRs has been studied using combinations of NLR and TLR agonists, but the interplay between two different NLRs remains uncharacterized. In this study, we employed microarrays to investigate in DCs the regulation of gene transcription mediated by activation of NOD2 and NLRP3 pathways using MDP and MSU. MDP and MSU co-stimulation of murine BMDCs up-regulated the expression of genes encoding molecules for antigen presentation and co-stimulation (MHC class II, CD80, CD86), integrins (ITGB3, ITGAV), cytokines (IL-1α, IL-1β, IL-6, IL-2, IL-23p19, IL-12p40), and chemokines (CXCL1, CXCL2). Transcription of the cytokine genes induced by MDP and MSU partially depended on NOD2 but was independent of NLRP3. Finally, we showed that ERK1 and c-JUN activation increased upon MDP and MSU co-stimulation. As a whole, the results indicate that two different NLR activators synergize at the transcriptional level, leading to unique differential expression of genes involved in the innate immune response.

Keywords

Integrins, MAP Kinase Signaling System, Gene Expression Profiling, Nod2 Signaling Adaptor Protein, CD47 Antigen, Drug Synergism, Dendritic Cells, Uric Acid, Mice, Inbred C57BL, Mice, Gene Expression Regulation, NLR Family, Pyrin Domain-Containing 3 Protein, Animals, Cytokines, Interleukin-2, Carrier Proteins, Acetylmuramyl-Alanyl-Isoglutamine, Signal Transduction

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    citations
    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    26
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Top 10%
    influence
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    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Top 10%
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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
26
Top 10%
Average
Top 10%
bronze