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Hepatitis B virus DNA polymerase displays an anti-apoptotic effect by interacting with elongation factor 1-alpha2 in hepatoma cells.
In this study, we aimed at investigating the impact of HBV Pol on host cellular processes, mainly apoptosis, and the underlying mechanisms. We showed a marked reduction in apoptotic rates in the HBV Pol-expressed HepG2 cells compared to controls. Moreover, a series of assays-i.e. yeast two-hybrid, GST pull-down, co-immunoprecipitation, and confocal laser scanning microscopy-identified the host factor eEF1A2 to be associated with HBV Pol. Furthermore, knockdown of the eEF1A2 gene by siRNA abrogated the HBV Pol-mediated anti-apoptotic effect with apoptosis induced by endoplasmatic reticulum (ER) stress inducer thapsigargin (...
Source: Journal of Microbiology and Biotechnology - October 23, 2020 Category: Biotechnology Authors: Niu X, Nong S, Gong J, Zhang X, Tang H, Zhou T, Li W Tags: J Microbiol Biotechnol Source Type: research