Successive Passage In Vitro Led to Lower Virulence and Higher Titer of A Variant Porcine Epidemic Diarrhea VirusArticle Published on 2020-04-012022-10-28 Journal: Viruses [Category] Coronavirus, [키워드] Amino acid caused characterized China cytokine expression Cytokines deletions diarrhea epidemic diarrhea experiments expression fecal flow cytometry Genetic growth Host IFN-β IL1β IL6 in vitro in vivo indicated inhibit Lower nucleotide occurred ORF1a/b ORF3 passage passages pathogenicity PEDV Point mutation Porcine epidemic diarrhea virus Real-time PCR Replication resulting sequenced significantly Spread stability TCID titer TNF-α variant Vero Cell viral titer virulent virus virus isolate vomiting [DOI] 10.3390/v12040391 PMC 바로가기 [Article Type] Article