Paper Information

Journal:   ARCHIVES OF IRANIAN MEDICINE   MARCH 2008 , Volume 11 , Number 2; Page(s) 173 To 178.
 
Paper: 

CLONING AND EXPRESSION OF HEPATITIS C VIRUS CORE PROTEIN IN PGEMEX-1 EXPRESSION VECTOR

 
DOI: 

08112/AIM.0010

 
Author(s):  KAZEMI B.*, BANDEHPOUR M., SEYED N., ROUZBEHI M., MOSAFA N.
 
* CELLULAR AND MOLECULAR BIOLOGY RESEARCH CENTER, SHAHEED BEHESHTI UNIVERSITY OF MEDICAL SCIENCES, TEHRAN, IRAN
 
Abstract: 

Background: Hepatitis C virus is one of the main causes of chronic hepatitis in developing countries. There are 170 million affected people around the world as reported by the World Health Organization. The treatment of hepatitis C is not successful in most cases; it is extremely costly, and requires prolonged therapy, therefore it is desirable to develop a vaccine to prevent the spread of hepatitis C virus.
Methods: Hepatitis C virus RNA was extracted from a hepatitis C virus-infected serum sample. cDNA was synthesized and the hepatitis C virus core gene was amplified by polymerase chain reaction. The polymerase chain reaction product was cloned in pGEMEX-1 expression vector and expressed in Escherichia coli BL21 strain with DE3 (a
l prophage carrying the T7 RNA polymerase gene) host by induction of promoter using one millimolar isopropyl b-Dthiogalactopyranoside in laboratory scale. Induced lysate cells were electrophoresed on SDS polyacrylamide gel.
Results: A protein band was detected in induced cells in comparison with non-induced cells. Expressed protein was confirmed by gel diffusion and dot blot analysis using induced lysate cells as antigen and hepatitis C virus-infected serum as antibody.
Conclusion: In present study, we have provided a recombinant plasmid based on hepatitis C virus core gene.

 
Keyword(s): GENE EXPRESSION, HEPATITIS C VIRUS
 
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