ArticleMolecular therapy. Nucleic acids2026
Article in Molecular therapy. Nucleic acids, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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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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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
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Authors and funding
19 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The continuous evolution of SARS-CoV-2 variants, driven by mutations in the spike protein undermines viral recognition by antibodies elicited through prior infection or vaccination with the ancestral Wuhan strain. Original antigenic sin of SARS-CoV-2 ancestral virus or vaccine led to a weakened neutralizing antibody response against successive variants upon administration of an updated vaccine. On the contrary, T cells retain cross-reactivity thanks to the high density of conserved epitopes. We designed mRNA vaccines encoding single-chain heterotrimers of the receptor-binding domain (RBD) natural variants of interest (VOI), (RBD-VOI) and of phylogenetically informed consensus representing the major variant lineages RBD-consensus (RBD-Cons). We demonstrate a broad neutralizing activity against omicron subvariants and mitigated immune imprinting when RBD-Cons was used as a booster after conventional Wuhan spike priming. To enhance cellular immunity, we designed a second mRNA vaccine component encoding the viral polymerase NSP12 able to induce a cross-reactive T cell response to be combined with the heterotrimeric RBD vaccine. Our results offer a rational strategy for next-generation, imprinting-resistant vaccines.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.