Specific activation of 2'-5'oligoadenylate synthetase gene promoter by hepatitis C virus-core protein: a potential for developing hepatitis C virus targeting gene therapy.

Abstract:

AIM:To examine whether 2'-5'oligoadenylate synthetase (OAS) gene promoter can be specifically activated by hepatitis C virus (HCV)-core protein. METHODS:Human embryo hepatic cell line L02 was transfected with pcDNA3.1-core plasmid and selected by G418. Expression of HCV-core was detected by reverse transcription polymerase chain reaction and Western blotting. The OAS promoter sequence was amplified from the genomic DNA and inserted into pGL3-basic vector. The resultant pGL3-OAS-Luci plasmid was transiently transfected into L02/core cells and luciferase activity was assayed. RESULTS:L02/core cell line stably expressing HCV-core protein was established. The pGL3-OAS-Luci construct exhibited significant transcriptional activity in the L02/core cells but not in the L02 cells. CONCLUSION:HCV-core protein activates the OAS gene promoter specifically and effectively. Utilization of OAS gene promoter would be an ideal strategy for developing HCV-specific gene therapy.

journal_name

World J Gastroenterol

authors

Wang Y,Mao SS,He QQ,Zi Y,Wen JF,Feng DY

doi

10.3748/wjg.15.3178

subject

Has Abstract

pub_date

2009-07-07 00:00:00

pages

3178-82

issue

25

eissn

1007-9327

issn

2219-2840

journal_volume

15

pub_type

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