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    Although extensive efforts have been made to understand adenovirus infection in human cells, little is known for egg drop syndrome virus (EDSV) infection in the avian-derived cells. In this study, the effects of EDSV infection as well as the possible role hexon protein, the main building block of the EDSV capsid, on apoptosis induction in duck embryo fibroblast (DEF) cells was examined. Flow cytometry analysis and TUNEL assay revealed that EDSV infection induced significant apoptosis in DEF cells compared with mock infected cells. Interestingly, the increase of the apoptosis rate detected in EDSV infected DEF cells were accompanied by an increased virus load in cells in a time-dependent manner. Furthermore, a time-dependent decrease in hexon protein expression levels in hexon transfected DEF cells in parallel with a gradual decrease in TUNEL-labeling cells was also observed in the current study. In addition, caspase activity detection and western blot analysis indicates that either EDSV infection or EDSV hexon transfection both induced apoptosis of DEF cells via activating both the exogenous and the mitochondrial pathway. Copyright © 2017 Elsevier Ltd. All rights reserved.

    Citation

    Xuefeng Qi, Jiamin Xu, Zugui Wang, Xueping Wang, Jingyu Wang. The role of hexon in egg drop syndrome virus (EDSV) inducing apoptosis in duck embryo fibroblast cells. Research in veterinary science. 2017 Oct;114:395-400


    PMID: 28743080

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