ArticleJundishapur journal of microbiology2016
Effects of Mycobacterium tuberculosis ESAT6-CFP10 Protein on Cell Viability and Production of Nitric Oxide in Alveolar Macrophages.
Article in Jundishapur journal of microbiology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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1 citing paper in PubMed, 6 citations in OpenAlex.
- SEVERITY OF TB CLASSIFIED BY MODIFIED BANDIM TB SCORING ASSOCIATES WITH THE SPECIFIC SEQUENCE OF ESXA GENES IN MDR-TB PATIENTS.African journal of infectious diseases · 2020Article
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7 authors at 1 institution in 1 country.
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Abstract
backgroundMycobacterium tuberculosis is the major pathogen of tuberculosis, which affects approximately one-third of the world's population. The 6 kDa early secreted antigenic target (ESAT6) and the 10 kDa culture filtrate protein (CFP10), which are secreted by the ESX-1 system in M. tuberculosis, can contribute to mycobacterial virulence.
objectivesThe aim of this study was to research the effects of M. tuberculosis ESAT6-CFP10 protein on macrophages during a host's was first and second exposures to M. tuberculosis. MATERIALS AND
methodsIn this study, the ESAT6 and CFP10 genes were amplified to create a fusion gene (ESAT6-CFP10) and cloned into the pET-32a(+) and pEGFP-N1 expression vectors, respectively. The recombinant pET-32a(+)-ESAT6-CFP10 plasmid was transformed into the Escherichia coli Origami strain, and the fusion protein was expressed and confirmed by SDS-PAGE and Western blot analysis. The recombinant pEGFP-N1-ESAT6-CFP10 plasmid was transfected into rat alveolar macrophage cells (NR8383). The cell line expressing the ESAT6-CFP10 protein was selected with RT-PCR and designated as NR8383-EC. Finally, the effects of the ESAT6-CFP10 fusion protein on the NR8383 cell line, as well as on the newly constructed NR8383-EC cells, were further assessed.
resultsThe recombinant ESAT6-CFP10 protein was expressed in E. coli and in NR8383 rat alveolar macrophages. This protein affected the proliferation and nitric oxide (NO) generation of the NR8383 and NR8383-EC cells. Although NO generation was inhibited in both cell lines, proliferation was inhibited in NR8383 while it was increased NR8383-EC.
conclusionsThe data indicate that ESAT6-CFP10 could support the survival of M. tuberculosis in the host through altering the host immune response. It also indicates that the host may gain some level of protection from a second exposure to M. tuberculosis, as evidenced by increased proliferation of NR8383-EC.
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