ArticlePoultry science2026
ERAD inhibitor Eeyarestatin I (EerI) suppresses duck plague virus by restoring STING-mediated antiviral immunity.
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21 authors.
Yanming TianEngineering Research Center of Southwest Animal Disease Prevention and Control Technology for Ministry of Education of the People's Republic of China, International Joint Research Center for Animal Disease Prevention and Control of Sichuan Province, Key Laboratory of Animal Disease and Human Health of Sichuan Province, Research Center of Avian Disease and Institute of Veterinary Medicine and Immunology, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China.; Research Center of Avian Disease, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan 611130, China; Agricultural Animal Diseases and Veterinary Public Health Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan 611130, China.
Bin TianEngineering Research Center of Southwest Animal Disease Prevention and Control Technology for Ministry of Education of the People's Republic of China, International Joint Research Center for Animal Disease Prevention and Control of Sichuan Province, Key Laboratory of Animal Disease and Human Health of Sichuan Province, Research Center of Avian Disease and Institute of Veterinary Medicine and Immunology, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China.; Research Center of Avian Disease, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan 611130, China; Agricultural Animal Diseases and Veterinary Public Health Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan 611130, China.
Zaihui LiuEngineering Research Center of Southwest Animal Disease Prevention and Control Technology for Ministry of Education of the People's Republic of China, International Joint Research Center for Animal Disease Prevention and Control of Sichuan Province, Key Laboratory of Animal Disease and Human Health of Sichuan Province, Research Center of Avian Disease and Institute of Veterinary Medicine and Immunology, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China.; Research Center of Avian Disease, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan 611130, China; Agricultural Animal Diseases and Veterinary Public Health Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan 611130, China.
Dongjie CaiAgricultural Animal Diseases and Veterinary Public Health Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan 611130, China.
Zhen XiaoEngineering Research Center of Southwest Animal Disease Prevention and Control Technology for Ministry of Education of the People's Republic of China, International Joint Research Center for Animal Disease Prevention and Control of Sichuan Province, Key Laboratory of Animal Disease and Human Health of Sichuan Province, Research Center of Avian Disease and Institute of Veterinary Medicine and Immunology, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China.; Research Center of Avian Disease, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan 611130, China; Agricultural Animal Diseases and Veterinary Public Health Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan 611130, China.
Mingshu WangEngineering Research Center of Southwest Animal Disease Prevention and Control Technology for Ministry of Education of the People's Republic of China, International Joint Research Center for Animal Disease Prevention and Control of Sichuan Province, Key Laboratory of Animal Disease and Human Health of Sichuan Province, Research Center of Avian Disease and Institute of Veterinary Medicine and Immunology, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China.; Research Center of Avian Disease, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan 611130, China; Agricultural Animal Diseases and Veterinary Public Health Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan 611130, China.
Ying WuEngineering Research Center of Southwest Animal Disease Prevention and Control Technology for Ministry of Education of the People's Republic of China, International Joint Research Center for Animal Disease Prevention and Control of Sichuan Province, Key Laboratory of Animal Disease and Human Health of Sichuan Province, Research Center of Avian Disease and Institute of Veterinary Medicine and Immunology, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China.; Research Center of Avian Disease, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan 611130, China; Agricultural Animal Diseases and Veterinary Public Health Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan 611130, China.
Qiao YangEngineering Research Center of Southwest Animal Disease Prevention and Control Technology for Ministry of Education of the People's Republic of China, International Joint Research Center for Animal Disease Prevention and Control of Sichuan Province, Key Laboratory of Animal Disease and Human Health of Sichuan Province, Research Center of Avian Disease and Institute of Veterinary Medicine and Immunology, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China.; Research Center of Avian Disease, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan 611130, China; Agricultural Animal Diseases and Veterinary Public Health Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan 611130, China.
Shaqiu ZhangEngineering Research Center of Southwest Animal Disease Prevention and Control Technology for Ministry of Education of the People's Republic of China, International Joint Research Center for Animal Disease Prevention and Control of Sichuan Province, Key Laboratory of Animal Disease and Human Health of Sichuan Province, Research Center of Avian Disease and Institute of Veterinary Medicine and Immunology, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China.; Research Center of Avian Disease, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan 611130, China; Agricultural Animal Diseases and Veterinary Public Health Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan 611130, China.
Dekang ZhuResearch Center of Avian Disease, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan 611130, China; Agricultural Animal Diseases and Veterinary Public Health Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan 611130, China.
Mafeng LiuEngineering Research Center of Southwest Animal Disease Prevention and Control Technology for Ministry of Education of the People's Republic of China, International Joint Research Center for Animal Disease Prevention and Control of Sichuan Province, Key Laboratory of Animal Disease and Human Health of Sichuan Province, Research Center of Avian Disease and Institute of Veterinary Medicine and Immunology, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China.; Research Center of Avian Disease, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan 611130, China; Agricultural Animal Diseases and Veterinary Public Health Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan 611130, China.
Xinxin ZhaoEngineering Research Center of Southwest Animal Disease Prevention and Control Technology for Ministry of Education of the People's Republic of China, International Joint Research Center for Animal Disease Prevention and Control of Sichuan Province, Key Laboratory of Animal Disease and Human Health of Sichuan Province, Research Center of Avian Disease and Institute of Veterinary Medicine and Immunology, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China.; Research Center of Avian Disease, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan 611130, China; Agricultural Animal Diseases and Veterinary Public Health Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan 611130, China.
Di SunEngineering Research Center of Southwest Animal Disease Prevention and Control Technology for Ministry of Education of the People's Republic of China, International Joint Research Center for Animal Disease Prevention and Control of Sichuan Province, Key Laboratory of Animal Disease and Human Health of Sichuan Province, Research Center of Avian Disease and Institute of Veterinary Medicine and Immunology, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China.; Research Center of Avian Disease, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan 611130, China; Agricultural Animal Diseases and Veterinary Public Health Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan 611130, China.
Juan HuangEngineering Research Center of Southwest Animal Disease Prevention and Control Technology for Ministry of Education of the People's Republic of China, International Joint Research Center for Animal Disease Prevention and Control of Sichuan Province, Key Laboratory of Animal Disease and Human Health of Sichuan Province, Research Center of Avian Disease and Institute of Veterinary Medicine and Immunology, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China.; Research Center of Avian Disease, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan 611130, China; Agricultural Animal Diseases and Veterinary Public Health Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan 611130, China.
Xumin OuEngineering Research Center of Southwest Animal Disease Prevention and Control Technology for Ministry of Education of the People's Republic of China, International Joint Research Center for Animal Disease Prevention and Control of Sichuan Province, Key Laboratory of Animal Disease and Human Health of Sichuan Province, Research Center of Avian Disease and Institute of Veterinary Medicine and Immunology, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China.; Research Center of Avian Disease, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan 611130, China; Agricultural Animal Diseases and Veterinary Public Health Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan 611130, China.
Zhen WuEngineering Research Center of Southwest Animal Disease Prevention and Control Technology for Ministry of Education of the People's Republic of China, International Joint Research Center for Animal Disease Prevention and Control of Sichuan Province, Key Laboratory of Animal Disease and Human Health of Sichuan Province, Research Center of Avian Disease and Institute of Veterinary Medicine and Immunology, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China.; Research Center of Avian Disease, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan 611130, China; Agricultural Animal Diseases and Veterinary Public Health Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan 611130, China.
Yu HeEngineering Research Center of Southwest Animal Disease Prevention and Control Technology for Ministry of Education of the People's Republic of China, International Joint Research Center for Animal Disease Prevention and Control of Sichuan Province, Key Laboratory of Animal Disease and Human Health of Sichuan Province, Research Center of Avian Disease and Institute of Veterinary Medicine and Immunology, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China.; Research Center of Avian Disease, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan 611130, China; Agricultural Animal Diseases and Veterinary Public Health Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan 611130, China.
Yuhong PanEngineering Research Center of Southwest Animal Disease Prevention and Control Technology for Ministry of Education of the People's Republic of China, International Joint Research Center for Animal Disease Prevention and Control of Sichuan Province, Key Laboratory of Animal Disease and Human Health of Sichuan Province, Research Center of Avian Disease and Institute of Veterinary Medicine and Immunology, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China.; Research Center of Avian Disease, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan 611130, China; Agricultural Animal Diseases and Veterinary Public Health Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan 611130, China.
Renyong JiaEngineering Research Center of Southwest Animal Disease Prevention and Control Technology for Ministry of Education of the People's Republic of China, International Joint Research Center for Animal Disease Prevention and Control of Sichuan Province, Key Laboratory of Animal Disease and Human Health of Sichuan Province, Research Center of Avian Disease and Institute of Veterinary Medicine and Immunology, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China.; Research Center of Avian Disease, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan 611130, China; Agricultural Animal Diseases and Veterinary Public Health Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan 611130, China.
Shun ChenEngineering Research Center of Southwest Animal Disease Prevention and Control Technology for Ministry of Education of the People's Republic of China, International Joint Research Center for Animal Disease Prevention and Control of Sichuan Province, Key Laboratory of Animal Disease and Human Health of Sichuan Province, Research Center of Avian Disease and Institute of Veterinary Medicine and Immunology, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China.; Research Center of Avian Disease, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan 611130, China; Agricultural Animal Diseases and Veterinary Public Health Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan 611130, China.
Anchun ChengEngineering Research Center of Southwest Animal Disease Prevention and Control Technology for Ministry of Education of the People's Republic of China, International Joint Research Center for Animal Disease Prevention and Control of Sichuan Province, Key Laboratory of Animal Disease and Human Health of Sichuan Province, Research Center of Avian Disease and Institute of Veterinary Medicine and Immunology, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China.; Research Center of Avian Disease, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan 611130, China; Agricultural Animal Diseases and Veterinary Public Health Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan 611130, China; Institute of Veterinary Immunology and Green Drugs, Veterinary Department in College of Aminal Science, State Key Laboratory of Green Pesticide, Guizhou. Electronic address: chenganchun@vip.163.com.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Duck plague (DP), caused by the duck plague virus (DPV), is a highly contagious disease characterized by high morbidity and mortality, causing significant economic losses and biosecurity risks to the duck farming industry. Since current vaccines do not provide complete protection, the development of antiviral drugs is urgently needed. In this study, we evaluated the anti-DPV activity of the ER-associated degradation (ERAD) pathway inhibitor Eeyarestatin I (EerI) in vitro. Our results demonstrated that EerI suppressed DPV proliferation in duck embryo fibroblast (DEF) cells in a dose-dependent manner, with the antiviral effect persisting for over 96 hours. Further investigation revealed that EerI inhibits viral genome replication and cell-to-cell spread, thereby exerting a therapeutic antiviral effect. Mechanistically, DPV infection activates endoplasmic reticulum stress (ERS) and the ERAD pathway, promoting the degradation of STING via ERAD to suppress antiviral immunity. EerI counteracts this process by blocking the ERAD pathway, thereby restoring STING stability and function and ultimately inhibiting DPV infection. In conclusion, EerI is a candidate antiviral agent against DPV.
Indexed as
Antiviral AgentsDucksEndoplasmic Reticulum-Associated DegradationHerpesviridae InfectionsMardivirusPoultry DiseasesAnimalscGAS-STING Signaling PathwayVirus ReplicationAntiviral AgentsAntiviral agentDPVEeyarestatin I (EerI)ERADSTING
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