Production of Human Papilloma Virus Type 16 E6 Oncoprotein as a Recombinant Protein in Eukaryotic Cells

H Mirshahabi; Hoorieh Soleimanjahi; Z Pourpak; Z Meshkat; ZM Hassan

International Journal of Cancer Management

The Official Journal of Cancer Research Center (CRC), Shahid Beheshti University of Medical Sciences

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Abstract
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Production of Human Papilloma Virus Type 16 E6 Oncoprotein as a Recombinant Protein in Eukaryotic Cells

Author(s):

H Mirshahabi¹,

Hoorieh Soleimanjahi^1,*,

Z Pourpak²,

Z Meshkat¹,

ZM Hassan¹

1Dept. of Virology and Immunology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran

2Dept. of Allergy and Clinical Immunology, Children Medical Center, Immunology, Asthma and Allergy Research Institute, Tehran, Iran

International Journal of Cancer Management:Vol. 5, issue 1; e80851

Published online:Mar 31, 2012

Article type:Research Article

Received:Sep 03, 2011

Accepted:Nov 20, 2011

How to Cite:H MirshahabiHoorieh SoleimanjahiZ Pourpak Z MeshkatZM HassanProduction of Human Papilloma Virus Type 16 E6 Oncoprotein as a Recombinant Protein in Eukaryotic Cells.Int J Cancer Manag.5(1):e80851.

Abstract

Background: Cervical cancer is one of the most important and widespread cancer which affects women. There are several causes of cervical cancer; among them HPV types 16 and 18 are the most prominent ones which are recurrent and persistent infections. These genotypes are currently about 70% of cervical cancer causes in developing countries. Due to the importance of these viruses in cervical cancer, we pioneered the production of Human Papilloma Virus type16 E6 oncoprotein as a recombinant protein in order to develop a vaccine. Two HPV oncoproteins, E6 and E7, are consistently expressed in HPV-associated cancer cells and are responsible for malignant transformation. These oncogenic proteins represent ideal target antigens for developing vaccine and immunotherapeutic strategies against HPV-associated neoplasm.
Methods: In the present study, the cloned E6-oncoprotein of HPV16 in pTZ57R/T-E6 vector was used to produce professional expression vector. The target gene was subcloned in a eukaryotic expression vector. The pcDNA3-E6 vector was propagated in E.coli strain DH5α and transfected into CHO cells 72 hours post-transfection.
Results: The transfected cells were harvested; mRNA detection and the interest protein production were confirmed by western blot analysis using specific anti E6 monoclonal antibody.
Conclusion: HPV16-E6 target protein recognized by specific antibody could be an appropriate form of protein, which can be used for further studies. Due to potential effect of this protein, its DNA construction can be used for DNA vaccine in future studies.

Keywords

E6 protein

Human Papilloma Virus type 16

Uterine Cervical Neoplasms

Gene expression

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