ArticleJournal of translational medicine2025
Booster dose reshapes SARS-CoV-2 RBD-specific B cell immunity in people living with HIV.
Article in Journal of translational medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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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
2 citing papers in PubMed.
- Unexpectedly competent immune response to SARS-CoV-2 vaccination in Rett syndrome.Human vaccines & immunotherapeutics · 2026Article
- The "two-hit" storm: a hyper-inflammatory endotype in pediatric long COVID and its role in the severity of secondary bacterial pneumonia-a mechanistic review and clinical implications.Frontiers in public health · 2026Review
Corrections and comments
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Authors and funding
10 authors.
Funding
Abstract
backgroundLong-term persistence of spike-specific memory B cells (MBC) upon mRNA SARS-CoV-2 vaccination remains poorly explored in people living with HIV (PLWH). We previously observed that the primary two-dose immunization elicited a B cell response quantitatively similar but phenotypically different compared to healthy participants (HC), with higher prevalence of CD27
methodsThe PatoVac_COV longitudinal prospective single-centre study included 74 PLWH vaccinated with mRNA SARS-CoV-2 vaccines. Building upon our previous findings, blood samples were collected before and after the third and fourth doses, and two years after the first dose. PBMC were analysed for the RBD-specific MBC response by multidimensional flow cytometry, while spike-specific IgG were tested in plasma samples by ELISA and by surrogate virus neutralization assay. A supervised decision tree model was used to identify clinical and demographic predictors of RBD-specific MBC persistence.
resultsThe third vaccine dose robustly recalled RBD-specific MBC, driving their differentiation into Ig-switched resting MBC, a subset undetectable before boosting and dominant also in HC. The fourth vaccine dose minimally impacted on the MBC response. IgG
conclusionsThese findings highlight the impact of boosting, particularly the third dose, in enhancing and shaping the RBD-specific MBC in PLWH. Clinical and demographic variables associated with long-term MBC persistence may serve as potential biomarkers for predicting durable vaccine responses in PLWH.
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