کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8330747 | 1540239 | 2015 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Immunogenicity of Semliki Forest virus based self-amplifying RNA expressing Indian HIV-1C genes in mice
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کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری
بیوشیمی، ژنتیک و زیست شناسی مولکولی
زیست شیمی
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
Development of recombinant vaccines is considered as a promising approach to prevent transmission and eradication of HIV/AIDS. Candidate vaccines tested so far have shown poor to modest efficacy. Self-amplifying RNAs of positive strand alphaviruses are reported to be promising vectors for development of recombinant vaccines. This study describes the construction, in vitro expression and in vivo immunogenicity of recombinant RNA vaccines developed by individually cloning gag, env and polRT genes of primary HIV-1C Indian isolates using Semliki Forest virus (SFV) vector. HIV-1C specific T cell responses were detected in mice immunized with rSFV2gen/gag RNA by IFN-γ ELISPOT assay. Furthermore, using flow cytometry based intracellular cytokine staining (ICCS) assay HIV-1C specific IL-2 responses were detected in immunized mice that were mediated by both CD4+ and CD8+ T cells. Mice immunized with rSFV2gen/env RNA elicited HIV-1C Env-specific antibodies as detected by gp120 ELISA. The Env, Gag and Pol (RT) RNA constructs in combination elicited better HIV-1C Env-specific humoral responses compared to mice immunized with Env RNA alone. In conclusion, rSFV2gen RNA constructs encoding HIV-1C antigens elicited clear cell mediated and humoral immune responses in mice, thus demonstrating the potential of self-amplifying rSFV2gen RNA as a promising candidate for anti-HIV vaccine development.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: International Journal of Biological Macromolecules - Volume 81, November 2015, Pages 794-802
Journal: International Journal of Biological Macromolecules - Volume 81, November 2015, Pages 794-802
نویسندگان
Seema P. Ajbani, Shilpa M. Velhal, Ravindra B. Kadam, Vainav V. Patel, Atmaram H. Bandivdekar,