ArticleFrontiers in immunology2023
A novel multistage antigens ERA005f confer protection against
Article in Frontiers in immunology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Recent advances in antituberculosis drugs and therapeutics: from mechanistic breakthroughs to clinical translation.Molecular biomedicine · 2026Review
- A Key Metabolic Protein in Active Mycobacterium tuberculosis: Insights into Carbon, Nitrogen, and Sulfur Metabolism.Advances in experimental medicine and biology · 2026Review
- Protein-Mediated Virulence in Mycobacterium tuberculosis.Advances in experimental medicine and biology · 2026Review
- Prophylactic and post-exposure efficacy of a Pichinde virus vector-based tuberculosis vaccine.Frontiers in immunology · 2026Article
- A novel nanoparticle vaccine displaying multistage tuberculosis antigens confers protection in mice infected with H37Rv.NPJ vaccines · 2025Article
- Article
- In silico design ofHeliyon · 2024Article
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Authors and funding
8 authors.
Funding
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Abstract
Introduction: Tuberculosis (TB) is a major threat to human health. In 2021, TB was the second leading cause of death after COVID-19 among infectious diseases. The Bacillus Calmette-Guérin vaccine (BCG), the only licensed TB vaccine, is ineffective against adult TB. Therefore, there is an urgent need to develop new effective vaccines. Methods: In this study, we developed a novel multistage subunit vaccine (ERA005f) comprising various proteins expressed in metabolic states, based on three immunodominant antigens (ESAT-6, Rv2628, and Ag85B). We utilized the Results: ERA005f was consistently expressed as an inclusion body in a prokaryotic expression system, and a highly pure form of the protein was successfully obtained. Both ERA005f and ERA005m significantly improved IgG titers in the serum. In addition, mice immunized with ERA005f and ERA005m generated higher titers of antigen-specific IgG2a than the other groups. Elispot results showed that, compared with other groups, ERA005f increased the numbers of IFN-γ-secreting and IL-4-secreting T cells, especially the number of IFN-γ-secreting T cells. Meanwhile, ERA005f induced a higher number of IFN-γ Conclusion: The novel multistage antigen ERA005f elicited a strong antigen-specific humoral response and Th-1 and Th-17 cell-mediated immunity in mice. Meanwhile, it can effectively inhibit H37Rv growth
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