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:: Volume 12, Issue 4 (12-2010) ::
J Gorgan Univ Med Sci 2010, 12(4): 55-63 Back to browse issues page
Development of a single cycle replicable HIV-1 system: potential implications for vaccine and experimental researches investigations
Sadat SM (MSc)1 , Zabihollahi R (MD)2 , Vahabpour R (MSc)3 , Siadat SD (PhD)4 , Javadi F (MSc)3 , Rezaei A (MD)5 , Parivar K (PhD)6 , Aghasadeghi MR (PhD) * 7
1- PhD Student, Science and Research Branch of Islamic Azad University, Tehran, Iran
2- General Physician, Department of Hepatitis and AIDS, Pasteur Institute of Iran, Tehran, Iran
3- Department of Hepatitis and AIDS, Pasteur Institute of Iran, Tehran, Iran
4- Assistant Professor, Department of Hepatitis and AIDS, Pasteur Institute of Iran, Tehran, Iran
5- Professor, Department of Immunology, Esfehan University of Medical Sciences, Esfehan, Iran
6- Professor, Department of Biology, Science and Research Branch of Islamic Azad University, Tehran, Iran
7- Assistant Professor, Department of Hepatitis and AIDS, Pasteur Institute of Iran, Tehran, Iran , mrasadeghi@pasteur.ac.ir
Abstract:   (17875 Views)
Background and Objective: Human immunodeficiency virus (HIV) belongs to the retroviridae family and is the agent of acquired immunodeficiency syndrome (AIDS). Treatment of HIV for the global health has made a special importance for the new antiviral drug discoveries in addition to HIV vaccine developments. Materials and Methods: In this experimental study single cycle replicable (SCR) HIV-1 virions with the capability of one cycle of replication were produced by the co-transfection of three plasmids of pmzNL4-3, psPAX2 and pMD2.G to the HEK cells and their replication capacity of the first generation SCR visions in HEK 293T, MT-2, and mouse spleen cells was examined by p24-capture ELISA, syncytium formation assay. The infectivity of the SCR-produced virions was also analysed on MT-2 cells. Results: Experiments showed the efficient production of SCR virions. Moreover, results indicated the replication potency of SCR virions on the investigated cells and the inactivity of the produced SCR HIV virions. Complete HIV antigens are expressed in their native forms by SCR virions, but this second viral particles lack the replication capacity. Conclusion: SCR HIV virions produced in this study are capable of one cycle of replication and will be inactivated thereafter.These features make SCR virions as a good candidate for HIV vaccine studies. Moreover, considering the one cycle replication, SCR virions do not need the severe biosafety concerns involved in retrovirus studies.
Keywords: HIV-1, Single cycle replicable (SCR) virions, Vaccine investigation
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Type of Study: Original Articles |
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Sadat SM (MSc), Zabihollahi R (MD), Vahabpour R (MSc), Siadat SD (PhD), Javadi F (MSc), Rezaei A (MD), et al . Development of a single cycle replicable HIV-1 system: potential implications for vaccine and experimental researches investigations. J Gorgan Univ Med Sci 2010; 12 (4) :55-63
URL: http://goums.ac.ir/journal/article-1-860-en.html


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Volume 12, Issue 4 (12-2010) Back to browse issues page
مجله دانشگاه علوم پزشکی گرگان Journal of Gorgan University of Medical Sciences
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