ArticleEmerging microbes & infections2026
Receptor binding domain-independent pancoronavirus vaccine design by fusion of conserved T/B Epitopes.
Article in Emerging microbes & infections, 2026. 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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Who cites it
1 citing paper in PubMed.
- Commentary on "Broadly Protective Antibody-Like Vaccines Against Highly Pathogenic Coronaviruses".Journal of medical virology · 2026Article
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Authors and funding
25 authors.
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No grant is acknowledged in the PubMed record.
Abstract
The persistent emergence of SARS-CoV-2 variants continues to compromise current vaccine efficacy, driving the development of broad-spectrum coronavirus vaccines to address variant evasion and future outbreaks. To develop a pan-coronavirus vaccine, we identified some conserved T/B epitopes across spike proteins of human-infecting coronaviruses, focusing on two conserved long peptides, VV and VS, which demonstrated broad immunogenicity in PBMCs from COVID-19 convalescent patients. By structurally fusing the VV and VS long peptides with heptad repeat 1/2 (HR1/2) domains from the S2 subunit, we engineered a trimeric immunogen HR1-VV-HR2-VS. This design induced superior cellular and humoral immune responses compared to individual peptide components in immunized mice. The vaccine also significantly reduced viral loads and attenuated lung pathology in mice challenged with HCoV-229E, SARS-CoV-2 prototype strain, and the KP.2 variant, demonstrating cross-protective immunity. Therefore, these results indicated that HR1-VV-HR2-VS vaccine elicits cross-protective immunity, highlighting its potential as a universal coronavirus vaccine. In addition, we developed an innovative peptide vaccine platform based on the HR1-HR2 trimeric structural protein, which serves as a potent polypeptide fusion scaffold to significantly enhance peptide immunogenicity.
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