Plasminogen activator urokinase interacts with the fusion protein and antagonizes the growth of Peste des petits ruminants virus
Peste des petits ruminants is an acute and highly contagious disease caused by the Peste des petits ruminants virus (PPRV). Host proteins play a crucial role in viral replication. However, the effect of fusion (F) protein-interacting partners on PPRV infection is poorly understood. In this study, we found that the expression of goat plasminogen activator urokinase (PLAU) gradually decreased in a time- and dose-dependent manner in PPRV-infected goat alveolar macrophages (GAMs). Goat PLAU was subsequently identified using co-immunoprecipitation and confocal microscopy as an F protein binding partner. The overexpression of goat PLAU inhibited PPRV growth and replication, whereas silencing goat PLAU promoted viral growth and replication. Additionally, we confirmed that goat PLAU interacted with a virus-induced signaling adapter (VISA) to antagonize F-mediated VISA degradation, increasing the production of type I interferon. We also found that goat PLAU reduced the inhibition of PPRV replication in VISA-knockdown GAMs. Our results show that the host protein PLAU inhibits the growth and replication of PPRV by VISA-triggering RIG-I-like receptors and provides insight into the host protein that antagonizes PPRV immunosuppression.IMPORTANCEThe role of host proteins that interact with Peste des petits ruminants virus (PPRV) fusion (F) protein in PPRV replication is poorly understood. This study confirmed that goat plasminogen activator urokinase (PLAU) interacts with the PPRV F protein. We further discovered that goat PLAU inhibited PPRV replication by enhancing virus-induced signaling adapter (VISA) expression and reducing the ability of the F protein to degrade VISA. These findings offer insights into host resistance to viral invasion and suggest new strategies and directions for developing PPR vaccines.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:98 |
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| Enthalten in: |
Journal of virology - 98(2024), 4 vom: 16. Apr., Seite e0014624 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Wu, Junhuang [VerfasserIn] |
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| Links: |
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| Themen: |
EC 3.4.21.- |
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| Anmerkungen: |
Date Completed 17.04.2024 Date Revised 18.04.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1128/jvi.00146-24 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM369308441 |
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| 245 | 1 | 0 | |a Plasminogen activator urokinase interacts with the fusion protein and antagonizes the growth of Peste des petits ruminants virus |
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| 520 | |a Peste des petits ruminants is an acute and highly contagious disease caused by the Peste des petits ruminants virus (PPRV). Host proteins play a crucial role in viral replication. However, the effect of fusion (F) protein-interacting partners on PPRV infection is poorly understood. In this study, we found that the expression of goat plasminogen activator urokinase (PLAU) gradually decreased in a time- and dose-dependent manner in PPRV-infected goat alveolar macrophages (GAMs). Goat PLAU was subsequently identified using co-immunoprecipitation and confocal microscopy as an F protein binding partner. The overexpression of goat PLAU inhibited PPRV growth and replication, whereas silencing goat PLAU promoted viral growth and replication. Additionally, we confirmed that goat PLAU interacted with a virus-induced signaling adapter (VISA) to antagonize F-mediated VISA degradation, increasing the production of type I interferon. We also found that goat PLAU reduced the inhibition of PPRV replication in VISA-knockdown GAMs. Our results show that the host protein PLAU inhibits the growth and replication of PPRV by VISA-triggering RIG-I-like receptors and provides insight into the host protein that antagonizes PPRV immunosuppression.IMPORTANCEThe role of host proteins that interact with Peste des petits ruminants virus (PPRV) fusion (F) protein in PPRV replication is poorly understood. This study confirmed that goat plasminogen activator urokinase (PLAU) interacts with the PPRV F protein. We further discovered that goat PLAU inhibited PPRV replication by enhancing virus-induced signaling adapter (VISA) expression and reducing the ability of the F protein to degrade VISA. These findings offer insights into host resistance to viral invasion and suggest new strategies and directions for developing PPR vaccines | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Peste des petits ruminants virus | |
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| 700 | 1 | |a Yang, Wenping |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Lingxia |e verfasserin |4 aut | |
| 700 | 1 | |a Wu, Jingyan |e verfasserin |4 aut | |
| 700 | 1 | |a He, Jijun |e verfasserin |4 aut | |
| 700 | 1 | |a Ru, Yi |e verfasserin |4 aut | |
| 700 | 1 | |a Ren, Jingjing |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Yong |e verfasserin |4 aut | |
| 700 | 1 | |a Zheng, Haixue |e verfasserin |4 aut | |
| 700 | 1 | |a Shang, Youjun |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Dan |e verfasserin |4 aut | |
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