Volume 26, Issue 7 (Monthly-Sep 2015)                   Studies in Medical Sciences 2015, 26(7): 609-616 | Back to browse issues page

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Samanipour R, Tebianian M, Mosavari N, Ahmady Asbchin S, Taghizadeh , M, Soleimani K. DESIGN AND CONSTRUCTION OF RECOMBINANT PLASMID CONTAINING FUSION AG85B AND TB10.4 GENES OF MYCOBACTERIUM TUBERCULOSIS. Studies in Medical Sciences 2015; 26 (7) :609-616
URL: http://umj.umsu.ac.ir/article-1-3033-en.html
Razi Vaccine & Serum Research Institute, Karaj, Iran , m.tebianian@rvsri.ac.ir
Abstract:   (7663 Views)

Background & Aims: Tuberculosis (TB), caused by Mycobacterium tuberculosis (Mtb), remain as a leading causes of mortality among infectious diseases. The only current vaccine, bacillus Calmette-Gue´rin (BCG), displays highly variable efficiency for preventing tuberculosis. Thus, identification of protective antigens could be mentioned for designing new vaccines. Among different Mtb antigens, TB10.4 and Ag85B have been identified as immune stimulator antigens which induce strong cellular responses and increase production of IFN-&gamma. In this study, we aimed to clone the fusion form of these antigens into a eukaryotic vector (pcDNA3).

Materials & Methods: After extraction of Mycobacterium tuberculosis H37Rv genome, the selected genes were amplified by specific primers with PCR method. The gene segments were fused and cloned into eukaryotic pcDNA3 vector. Recombinant plasmid was transformed into E.coli DH5&alpha and after purification was confirmed with restriction enzyme analysis and sequencing.

Results: The results of sequencing and digestion demonstrated that TB10.4 & Ag85B genes were successfully fused and cloned into pcDNA3 vector

Conclusion: The recombinant plasmid was successfully constructed. In the future studies, the immunogenicity of this cassette could be assessed as a DNA vaccine.

SOURCE: URMIA MED J 2015: 26(7): 616 ISSN: 1027-3727

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Type of Study: Research | Subject: میکروبیولوژی

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