IMMUNOGENICITY EVALUATION OF TARGETED MULTI-EPITOPIC HIV-I CANDIDATE VACCINE IN BALB/C MICE

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RAHIMI R.; MAHDAVI M.; EBTEKAR M.

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Paper Information

Journal: Journal of Arak University Medical Sciences Year:2014 | Volume:17 | Issue:9 (90) Page(s): 46-58

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Title

IMMUNOGENICITY EVALUATION OF TARGETED MULTI-EPITOPIC HIV-I CANDIDATE VACCINE IN BALB/C MICE

Author(s)

RAHIMI R. | MAHDAVI M. | EBTEKAR M. | Issue Writer Certificate

Keywords

DEC-205Q2

DENDRITIC CELL TARGETINGQ2

MULTI EPITOPIC RECOMBINANT PROTEINQ2

VACCINEQ2

Abstract

Background: Delivery of antigens directly to dendritic cells enhances the immune responses to the antigen and is an attractive approach for eliciting cellular immune responses against mutagenic pathogens like HIV virus. So the aim of this study is evaluation of immune responses elicited by delivered multi-epitopic HIV-1 tat/pol/gag/env recombinant protein to dendritic cells in sito using αDEC- 205 mAb.Materials and Methods: In this study, recombinant protein expressed by pET23a-HIVtop4 plasmid including HIVtop4 sequence (Gag158-186, Pol150-190, ENV296-323, ENV577-610, Tat1-20 and Tat44-61) in BL21 E. coli cells was used as VACCINE model. To exploiting dendritic cells, properties for immunization purposes, we conjugated this recombinant protein chemically to anti body against DEC- 205 receptor on these cells. Balb/c mice immunized subcutaneously (s.c.) with conjugated multiepitopic protein or un-conjugated one (as control) simultaneously with Poly I: C as dendritic cell maturation factor. Lymphocyte proliferation was measured by bromo di uridine assay, Cytotoxicity by Grenzyme B production activity, IL-4, IL-17, IFN-g cytokines production and total antibody by direct and indirect ELISA methods in order.Results: Immunization by anti DEC-205 conjugated peptide led to a significant increase in the proliferative responses of lymphocytes, production of Gr-B, IFN-g, IL-4 and IL-17 cytokines and total antibody titer in comparison with the none targeted groups.Conclusion: It is concluded that targeting of protein antigens to DEC-205+dendritic cells significantly enhances immune responses in compare to non-targeting strategies.

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APA: Copy

RAHIMI, R., MAHDAVI, M., & EBTEKAR, M.. (2014). IMMUNOGENICITY EVALUATION OF TARGETED MULTI-EPITOPIC HIV-I CANDIDATE VACCINE IN BALB/C MICE. ARAK MEDICAL UNIVERSITY JOURNAL (AMUJ), 17(9 (90)), 46-58. SID. https://sid.ir/paper/69699/en

Vancouver: Copy

RAHIMI R., MAHDAVI M., EBTEKAR M.. IMMUNOGENICITY EVALUATION OF TARGETED MULTI-EPITOPIC HIV-I CANDIDATE VACCINE IN BALB/C MICE. ARAK MEDICAL UNIVERSITY JOURNAL (AMUJ)[Internet]. 2014;17(9 (90)):46-58. Available from: https://sid.ir/paper/69699/en

IEEE: Copy

R. RAHIMI, M. MAHDAVI, and M. EBTEKAR, “IMMUNOGENICITY EVALUATION OF TARGETED MULTI-EPITOPIC HIV-I CANDIDATE VACCINE IN BALB/C MICE,” ARAK MEDICAL UNIVERSITY JOURNAL (AMUJ), vol. 17, no. 9 (90), pp. 46–58, 2014, [Online]. Available: https://sid.ir/paper/69699/en

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