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Qu W, Guo Y, Xu Y, Zhang J, Wang Z, Ding C, Pan Y. Advance in strategies to build efficient vaccines against tuberculosis. Front Vet Sci 2022; 9:955204. [PMID: 36504851 PMCID: PMC9731747 DOI: 10.3389/fvets.2022.955204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Accepted: 11/04/2022] [Indexed: 11/25/2022] Open
Abstract
Tuberculosis is a chronic consumptive infectious disease, which can cause great damage to human and animal health all over the world. The emergence of multi-drug resistant strains, the unstable protective effect of Bacillus Calmette-Guérin (BCG) vaccine on adults, and the mixed infection with HIV all warn people to exploit new approaches for conquering tuberculosis. At present, there has been significant progress in developing tuberculosis vaccines, such as improved BCG vaccine, subunit vaccine, DNA vaccine, live attenuated vaccine and inactivated vaccine. Among these candidate vaccines, there are some promising vaccines to improve or replace BCG vaccine effect. Meanwhile, the application of adjuvants, prime-boost strategy, immunoinformatic tools and targeting components have been studied concentratedly, and verified as valid means of raising the efficiency of tuberculosis vaccines as well. In this paper, the latest advance in tuberculosis vaccines in recent years is reviewed to provide reliable information for future tuberculosis prevention and treatment.
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Affiliation(s)
- Wei Qu
- National Reference Laboratory of Veterinary Drug Residues, MOA Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, China,MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Huazhong Agricultural University, Wuhan, China
| | - Yinhui Guo
- National Reference Laboratory of Veterinary Drug Residues, MOA Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, China
| | - Yan Xu
- National Reference Laboratory of Veterinary Drug Residues, MOA Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, China
| | - Jie Zhang
- National Reference Laboratory of Veterinary Drug Residues, MOA Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, China,MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Huazhong Agricultural University, Wuhan, China
| | - Zongchao Wang
- National Reference Laboratory of Veterinary Drug Residues, MOA Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, China
| | - Chaoyue Ding
- National Reference Laboratory of Veterinary Drug Residues, MOA Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, China
| | - Yuanhu Pan
- National Reference Laboratory of Veterinary Drug Residues, MOA Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, China,MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Huazhong Agricultural University, Wuhan, China,*Correspondence: Yuanhu Pan
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Zamani F, Bolhassani A, Shahbazi S, Faghih A, Sadat SM. Expression and Characterization of Two DNA Constructs Derived from HIV-1-vif in Escherichia coli and Mammalian Cells. Avicenna J Med Biotechnol 2021; 13:131-135. [PMID: 34484642 PMCID: PMC8377405 DOI: 10.18502/ajmb.v13i3.6369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Accepted: 01/08/2021] [Indexed: 11/24/2022] Open
Abstract
Background Acquired immunodeficiency syndrome (HIV/AIDS) is still a major global concern and no effective therapeutic vaccine has been produced to prevent the problem. Among HIV-1 proteins, vif as a basic cytoplasmic protein of HIV-1 is involved in late stages of viral generation and plays important role in HIV-1 virion replication. It also increases the stability of virion cores, which probably inhibits early degradation of viral entry. Therefore, it seems rational to apply this protein as a vaccine based on its impact on HIV-1 life cycle. This study aimed at cloning, expression and production of vif protein as an HIV-1 vaccine candidate. Methods In this study, vif sequence was amplified from pLN4-3 plasmid including HIV-1 vif gene and then cloned in pET23a to generate the recombinant plasmids of pET23a/vif with hexahistidine tags. BL21 competent cells were transformed to obtain the protein of interest. Ni-NTA column was used to purify the protein of interest and western blotting confirmed vif protein using anti-His tag antibody. In order to express the gene of interest in eukaryotic cells, vif was sub-cloned into pEGFP plasmids and HEK 293-T cells were transfected. Flow cytometry was then applied to evaluate GFP expression. Results vif protein was expressed in BL21(DE3) strain and identified as a23 kDa band in SDS-PAGE and confirmed by anti-His antibody in western blotting. The purified protein concentration was 173.3 μg/ml using Bradford assay. HEK-293T cells were successfully transfected by recombinant pEGFP plasmids and flow cytometry confirmed the cell transfection. Conclusion vif protein can be expressed in mammalian cells and may be a proper protein subunit vaccine candidate against HIV-1.
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Affiliation(s)
- Fatemeh Zamani
- Department of Hepatitis, AIDS and Blood Borne Diseases, Pasteur Institute of Iran, Tehran, Iran.,Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Azam Bolhassani
- Department of Hepatitis, AIDS and Blood Borne Diseases, Pasteur Institute of Iran, Tehran, Iran
| | - Sepideh Shahbazi
- Department of Hepatitis, AIDS and Blood Borne Diseases, Pasteur Institute of Iran, Tehran, Iran
| | - Ahmad Faghih
- Department of Hepatitis, AIDS and Blood Borne Diseases, Pasteur Institute of Iran, Tehran, Iran.,Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Seyed Mehdi Sadat
- Department of Hepatitis, AIDS and Blood Borne Diseases, Pasteur Institute of Iran, Tehran, Iran
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