{"title":"rig - 1、MDA5和TLR7在鸭甲型肝炎病毒先天免疫应答中的协同作用","authors":"Duo Peng, Xiaoyang Hu, Jingjing Huang, Qiong Li, Yinuo Song, Dabing Zhang","doi":"10.1007/s00705-025-06384-5","DOIUrl":null,"url":null,"abstract":"<div><p>The roles of RIG-I, MDA5, and TLR7 in duck hepatitis A virus genotype 3 (DHAV-3) infection were investigated using duck embryo fibroblasts (DEFs). DHAV-3 infection induced significant upregulation of RIG-I, MDA5, and TLR7 and high IFN-β, IL-6, and OASL responses. Overexpression and knockdown of RIG-I, MDA5, and TLR7 exerted significant effects on DHAV-3-induced IFN-β, IL-6, and OASL expression and DHAV-3 replication. Overexpression and inhibition of TLR7 altered DHAV-3-induced RIG-I and MDA5 expression. Together, these findings suggest that TLR7 and RIG-I/MDA5 play a coordinated role in detection and initiation of innate immunity against DHAV-3 infection.</p></div>","PeriodicalId":8359,"journal":{"name":"Archives of Virology","volume":"170 10","pages":""},"PeriodicalIF":2.5000,"publicationDate":"2025-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Coordinated role of RIG-I, MDA5, and TLR7 in the innate immune response to duck hepatitis A virus 3\",\"authors\":\"Duo Peng, Xiaoyang Hu, Jingjing Huang, Qiong Li, Yinuo Song, Dabing Zhang\",\"doi\":\"10.1007/s00705-025-06384-5\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>The roles of RIG-I, MDA5, and TLR7 in duck hepatitis A virus genotype 3 (DHAV-3) infection were investigated using duck embryo fibroblasts (DEFs). DHAV-3 infection induced significant upregulation of RIG-I, MDA5, and TLR7 and high IFN-β, IL-6, and OASL responses. Overexpression and knockdown of RIG-I, MDA5, and TLR7 exerted significant effects on DHAV-3-induced IFN-β, IL-6, and OASL expression and DHAV-3 replication. Overexpression and inhibition of TLR7 altered DHAV-3-induced RIG-I and MDA5 expression. Together, these findings suggest that TLR7 and RIG-I/MDA5 play a coordinated role in detection and initiation of innate immunity against DHAV-3 infection.</p></div>\",\"PeriodicalId\":8359,\"journal\":{\"name\":\"Archives of Virology\",\"volume\":\"170 10\",\"pages\":\"\"},\"PeriodicalIF\":2.5000,\"publicationDate\":\"2025-09-24\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Archives of Virology\",\"FirstCategoryId\":\"3\",\"ListUrlMain\":\"https://link.springer.com/article/10.1007/s00705-025-06384-5\",\"RegionNum\":4,\"RegionCategory\":\"医学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"VIROLOGY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Archives of Virology","FirstCategoryId":"3","ListUrlMain":"https://link.springer.com/article/10.1007/s00705-025-06384-5","RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"VIROLOGY","Score":null,"Total":0}
Coordinated role of RIG-I, MDA5, and TLR7 in the innate immune response to duck hepatitis A virus 3
The roles of RIG-I, MDA5, and TLR7 in duck hepatitis A virus genotype 3 (DHAV-3) infection were investigated using duck embryo fibroblasts (DEFs). DHAV-3 infection induced significant upregulation of RIG-I, MDA5, and TLR7 and high IFN-β, IL-6, and OASL responses. Overexpression and knockdown of RIG-I, MDA5, and TLR7 exerted significant effects on DHAV-3-induced IFN-β, IL-6, and OASL expression and DHAV-3 replication. Overexpression and inhibition of TLR7 altered DHAV-3-induced RIG-I and MDA5 expression. Together, these findings suggest that TLR7 and RIG-I/MDA5 play a coordinated role in detection and initiation of innate immunity against DHAV-3 infection.
期刊介绍:
Archives of Virology publishes original contributions from all branches of research on viruses, virus-like agents, and virus infections of humans, animals, plants, insects, and bacteria. Coverage spans a broad spectrum of topics, from descriptions of newly discovered viruses, to studies of virus structure, composition, and genetics, to studies of virus interactions with host cells, organisms and populations. Studies employ molecular biologic, molecular genetics, and current immunologic and epidemiologic approaches. Contents include studies on the molecular pathogenesis, pathophysiology, and genetics of virus infections in individual hosts, and studies on the molecular epidemiology of virus infections in populations. Also included are studies involving applied research such as diagnostic technology development, monoclonal antibody panel development, vaccine development, and antiviral drug development.Archives of Virology wishes to publish obituaries of recently deceased well-known virologists and leading figures in virology.