Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/35759
Title: Characterization of apoptosis induced by BH3-containing hepatitis B virus proteins
Authors: Lu, Yi Wei
Keywords: DRNTU::Science::Biological sciences::Microbiology::Virology
Issue Date: 2007
Source: Lu, Y. W. (2007). Characterization of apoptosis induced by BH3-containing hepatitis B virus proteins. Doctoral thesis, Nanyang Technological University, Singapore.
Abstract: The smallest protein of hepatitis B virus (HBV), HBx, has been implicated in the development of liver diseases by interfering with normal cellular progresses. Its role in cell proliferation has been unclear as both pro-apoptotic and anti-apoptotic activities have been reported. We showed molecular evidence that HBx induced apoptosis in HepG2 cells. ABcl-2 Homology Domain 3 (BH3) was identified in HBx, which interacted with anti-apoptotic but not pro-apoptotic members of the Bcl-2 family of proteins. HBx induced apoptosis when transfected into HepG2 cells, as demonstrated by both flow cytometry and caspase-3 activity. However, HBx protein may not be stable in apoptotic cells triggered by its own expression as only its mRNA or the fusion protein with the glutathione-S-transferase was detected in transfected cells. These results suggested that HBx behaved as a pro-apoptotic protein and was able to induce apoptosis.
Description: 211 p.
URI: https://hdl.handle.net/10356/35759
DOI: 10.32657/10356/35759
Fulltext Permission: open
Fulltext Availability: With Fulltext
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