Abstract
A cloned stable cell line, HepG2-HBVE6, was established following transfection of HepG2 cells with a retroviral plasmid into which a 1.1-fold genomic construct of hepatitis B virus (HBV) belonging to genotype E (HBV/E) was inserted. The cell line retains the entire HBV/E insert, and produces episomal HBV DNA. It expresses HBV pregenomic, preS1 and preS2/S transcripts, and sheds hepatitis B surface and e antigens as well as structures resembling HBV-subviral and Dane particles. The HepG2-HBVE6 cell line, in permitting recapitulation of the HBV life cycle, may be used for studying viral characteristics, therapeutic and preventative outcomes and for preparing reagents specific to HBV genotype E.
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