Stress signaling boosts interferon-induced gene transcription in macrophages
Promoters of antimicrobial genes function as logic boards, integrating signals of innate immune responses. One such set of genes is stimulated by interferon (IFN) signaling, and the expression of these genes [IFN-stimulated genes (ISGs)] can be further modulated by cell stress-induced pathways. Here, we investigated the global effect of stress-induced p38 mitogen-activated protein kinase (MAPK) signaling on the response of macrophages to IFN. In response to cell stress that coincided with IFN exposure, the p38 MAPK-activated transcription factors CREB and c-Jun, in addition to the IFN-activated STAT family of transcription factors, bound to ISGs. In addition, p38 MAPK signaling induced activating histone modifications at the loci of ISGs and stimulated nuclear translocation of the CREB coactivator CRTC3. These actions synergistically enhanced ISG expression. Disrupting this synergy with p38 MAPK inhibitors improved the viability of macrophages infected with Listeria monocytogenes. Our findings uncover a mechanism of transcriptional synergism and highlight the biological consequences of coincident stress-induced p38 MAPK and IFN-stimulated signal transduction.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:15 |
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| Enthalten in: |
Science signaling - 15(2022), 764 vom: 13. Dez., Seite eabq5389 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Boccuni, Laura [VerfasserIn] |
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| Links: |
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| Themen: |
82115-62-6 |
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| Anmerkungen: |
Date Completed 15.12.2022 Date Revised 07.06.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1126/scisignal.abq5389 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM350247102 |
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| 520 | |a Promoters of antimicrobial genes function as logic boards, integrating signals of innate immune responses. One such set of genes is stimulated by interferon (IFN) signaling, and the expression of these genes [IFN-stimulated genes (ISGs)] can be further modulated by cell stress-induced pathways. Here, we investigated the global effect of stress-induced p38 mitogen-activated protein kinase (MAPK) signaling on the response of macrophages to IFN. In response to cell stress that coincided with IFN exposure, the p38 MAPK-activated transcription factors CREB and c-Jun, in addition to the IFN-activated STAT family of transcription factors, bound to ISGs. In addition, p38 MAPK signaling induced activating histone modifications at the loci of ISGs and stimulated nuclear translocation of the CREB coactivator CRTC3. These actions synergistically enhanced ISG expression. Disrupting this synergy with p38 MAPK inhibitors improved the viability of macrophages infected with Listeria monocytogenes. Our findings uncover a mechanism of transcriptional synergism and highlight the biological consequences of coincident stress-induced p38 MAPK and IFN-stimulated signal transduction | ||
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| 700 | 1 | |a Podgorschek, Elke |e verfasserin |4 aut | |
| 700 | 1 | |a Schmiedeberg, Moritz |e verfasserin |4 aut | |
| 700 | 1 | |a Platanitis, Ekaterini |e verfasserin |4 aut | |
| 700 | 1 | |a Traxler, Peter |e verfasserin |4 aut | |
| 700 | 1 | |a Fischer, Philipp |e verfasserin |4 aut | |
| 700 | 1 | |a Schirripa, Alessia |e verfasserin |4 aut | |
| 700 | 1 | |a Novoszel, Philipp |e verfasserin |4 aut | |
| 700 | 1 | |a Nebreda, Angel R |e verfasserin |4 aut | |
| 700 | 1 | |a Arthur, J Simon C |e verfasserin |4 aut | |
| 700 | 1 | |a Fortelny, Nikolaus |e verfasserin |4 aut | |
| 700 | 1 | |a Farlik, Matthias |e verfasserin |4 aut | |
| 700 | 1 | |a Sexl, Veronika |e verfasserin |4 aut | |
| 700 | 1 | |a Bock, Christoph |e verfasserin |4 aut | |
| 700 | 1 | |a Sibilia, Maria |e verfasserin |4 aut | |
| 700 | 1 | |a Kovarik, Pavel |e verfasserin |4 aut | |
| 700 | 1 | |a Müller, Mathias |e verfasserin |4 aut | |
| 700 | 1 | |a Decker, Thomas |e verfasserin |4 aut | |
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