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Cloning and Expression of Hepatitis B Surface Antigen

AUTHORS

Mojgan Bandehpour 1 , Mahvash Khodabandeh 1 , Bahram Kazemi 2 , *

AUTHORS INFORMATION

1 National Research Center for Genetic Engineering and Biotechnology, Cellular and Molecular Biology Research Center, Shahid Beheshti University, M.C., IR-Iran

2 Cellular and Molecular Biology Research Center, Shaheed Beheshti University of Medical Sciences, bahram_14@yahoo.com, IR-Iran

How to Cite: Bandehpour M, Khodabandeh M, Kazemi B. Cloning and Expression of Hepatitis B Surface Antigen, Hepat Mon. Online ahead of Print ; 8(1):17-21.

ARTICLE INFORMATION

Hepatitis Monthly: 8 (1); 17-21
Article Type: Research Article
Received: December 28, 2007
Accepted: March 15, 2008

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Abstract

Background and Aims: Hepatitis B virus (HBV) is a major cause of both acute and chronic liver disease. It is estimated that there are 350 million carriers of the virus in the world, and a high proportion will develop serious liver disease, including hepatocellular carcinoma. The aim of this study was cloning and expression hepatitis B surface antigen (HBsAg) gene to design a DNA vaccine.
Methods:  In this study, we amplified the HBsAg gene from Iranian patients. The gene was cloned in pGEMEX-1 expression vector and recombinant plasmid was transformed in to JM109 E. coli strain and induced by IPTG.
Results: We amplified, cloned and expressed hepatitis B virus surface antigen successfully and expressed protein was serologically assayed using gel diffusion and western blot analysis. Gene was sequenced and submitted to GenBank.
Conclusions:  The cloned HBsAg gene is ready for using in experimental DNA vaccine animal study. There are some mutations on this recombinant protein (T45D, Y206C and S207R) which will affect on folding and function of recombinant protein.

Keywords

Hepatitis B Virus HBsAg Recombinant Protein Vaccine

© 0, Author(s). This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/) which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.

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