SIAH1 modulates antiviral immune responses by targeting deubiquitinase USP19
© 2024 The Authors. Journal of Medical Virology published by Wiley Periodicals LLC..
Tight control of the type I interferon (IFN) signaling pathway is critical for maintaining host innate immune responses, and the ubiquitination and deubiquitination of signaling molecules are essential for signal transduction. Deubiquitinase ubiquitin-specific protein 19 (USP19) is known to be involved in deubiquitinating Beclin1, TRAF3, and TRIF for downregulation of the type I IFN signaling. Here, we show that SIAH1, a cellular E3 ubiquitin ligase that is involved in multicellular pathway, is a potent positive regulator of virus-mediated type I IFN signaling that maintains homeostasis within the antiviral immune response by targeting USP19. In the early stages of virus infection, stabilized SIAH1 directly interacts with the USP19 and simultaneously mediates K27-linked ubiquitination of 489, 490, and 610 residues of USP19 for proteasomal degradation. Additionally, we found that USP19 specifically interacts with MAVS and deubiquitinates K63-linked ubiquitinated MAVS for negative regulation of type I IFN signaling. Ultimately, we identified that SIAH1-mediated degradation of USP19 reversed USP19-mediated deubiquitination of MAVS, Beclin1, TRAF3, and TRIF, resulting in the activation of antiviral immune responses. Taken together, these findings provide new insights into the molecular mechanism of USP19 and SIAH1, and suggest a critical role of SIAH1 in antiviral immune response and homeostasis.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:96 |
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| Enthalten in: |
Journal of medical virology - 96(2024), 3 vom: 14. März, Seite e29523 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Weerawardhana, Asela [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 15.03.2024 Date Revised 15.03.2024 published: Print Citation Status MEDLINE |
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| doi: |
10.1002/jmv.29523 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM369727614 |
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| 245 | 1 | 0 | |a SIAH1 modulates antiviral immune responses by targeting deubiquitinase USP19 |
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| 520 | |a © 2024 The Authors. Journal of Medical Virology published by Wiley Periodicals LLC. | ||
| 520 | |a Tight control of the type I interferon (IFN) signaling pathway is critical for maintaining host innate immune responses, and the ubiquitination and deubiquitination of signaling molecules are essential for signal transduction. Deubiquitinase ubiquitin-specific protein 19 (USP19) is known to be involved in deubiquitinating Beclin1, TRAF3, and TRIF for downregulation of the type I IFN signaling. Here, we show that SIAH1, a cellular E3 ubiquitin ligase that is involved in multicellular pathway, is a potent positive regulator of virus-mediated type I IFN signaling that maintains homeostasis within the antiviral immune response by targeting USP19. In the early stages of virus infection, stabilized SIAH1 directly interacts with the USP19 and simultaneously mediates K27-linked ubiquitination of 489, 490, and 610 residues of USP19 for proteasomal degradation. Additionally, we found that USP19 specifically interacts with MAVS and deubiquitinates K63-linked ubiquitinated MAVS for negative regulation of type I IFN signaling. Ultimately, we identified that SIAH1-mediated degradation of USP19 reversed USP19-mediated deubiquitination of MAVS, Beclin1, TRAF3, and TRIF, resulting in the activation of antiviral immune responses. Taken together, these findings provide new insights into the molecular mechanism of USP19 and SIAH1, and suggest a critical role of SIAH1 in antiviral immune response and homeostasis | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a MAVS | |
| 650 | 4 | |a SIAH1 | |
| 650 | 4 | |a USP19 | |
| 650 | 4 | |a antiviral | |
| 650 | 4 | |a deubiquitination | |
| 650 | 4 | |a ubiquitination | |
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| 650 | 7 | |a TNF Receptor-Associated Factor 3 |2 NLM | |
| 650 | 7 | |a Beclin-1 |2 NLM | |
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| 650 | 7 | |a Deubiquitinating Enzymes |2 NLM | |
| 650 | 7 | |a EC 3.4.19.12 |2 NLM | |
| 650 | 7 | |a Adaptor Proteins, Vesicular Transport |2 NLM | |
| 650 | 7 | |a USP19 protein, human |2 NLM | |
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| 650 | 7 | |a Endopeptidases |2 NLM | |
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| 700 | 1 | |a Herath, Thilina U B |e verfasserin |4 aut | |
| 700 | 1 | |a Gayan Chathuranga, W A |e verfasserin |4 aut | |
| 700 | 1 | |a Kim, Tae-Hwan |e verfasserin |4 aut | |
| 700 | 1 | |a Ekanayaka, Pathum |e verfasserin |4 aut | |
| 700 | 1 | |a Chathuranga, Kiramage |e verfasserin |4 aut | |
| 700 | 1 | |a Kang, Ho-Chul |e verfasserin |4 aut | |
| 700 | 1 | |a Jung, Jae U |e verfasserin |4 aut | |
| 700 | 1 | |a Lee, Jong-Soo |e verfasserin |4 aut | |
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