ArticleiScience2022
Protein-protein conjugation enhances the immunogenicity of SARS-CoV-2 receptor-binding domain (RBD) vaccines.
Article in iScience, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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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.
The trial behind it
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.
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Who cites it
4 citing papers in PubMed, 7 citations in OpenAlex.
- Enhanced immunogenicity of COVID-19 RBD fused to mutant scorpion's phospholipase D for vaccine development.New microbes and new infections · 2025Article
- Article
- Real-world effectiveness of the heterologous SOBERANA-02 and SOBERANA-Plus vaccine scheme in 2-11 years-old children during the SARS-CoV-2 Omicron wave in Cuba: a longitudinal case-population study.Lancet regional health. Americas · 2024Article
- The Application of Biomaterials for the Vaccine, Treatment, and Detection of SARS-CoV-2.ACS omega · 2024Review
Corrections and comments
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Authors and funding
10 authors at 1 institution in 1 country.
Funding
Abstract
Several effective SARS-CoV-2 vaccines have been developed using different technologies. Although these vaccines target the isolates collected early in the pandemic, many have protected against serious illness from newer variants. Nevertheless, efficacy has diminished against successive variants and the need for effective and affordable vaccines persists especially in the developing world. Here, we adapted our protein-protein conjugate vaccine technology to generate a vaccine based on receptor-binding domain (RBD) antigen. RBD was conjugated to a carrier protein, EcoCRM®, to generate two types of conjugates: crosslinked and radial conjugates. In the crosslinked conjugate, antigen and carrier are chemically crosslinked; in the radial conjugate, the antigen is conjugated to the carrier by site-specific conjugation. With AS01 adjuvant, both conjugates showed enhanced immunogenicity in mice compared to RBD, with a Th1 bias. In hACE2 binding inhibition and pseudovirus neutralization assays, sera from mice vaccinated with the radial conjugate demonstrated strong functional activity.
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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.