ArticleNPJ vaccines2025
Single cell transcriptomics correlate avian coronavirus prime vaccination efficacy with antigen-presenting cell preference.
Article in NPJ vaccines, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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
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Who cites it
1 citing paper in PubMed.
- Single-cell transcriptome profile during the antibody decline phase following inactivated COVID-19 vaccination.Frontiers in cellular and infection microbiology · 2025Article
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Authors and funding
13 authors.
Funding
Abstract
Biosafe and effective vaccines are urgently needed for the prevention and control of avian infectious bronchitis virus (IBV), the first coronavirus to be discovered, despite extensive vaccination for decades. However, their development has been hindered by our limited understanding of prime vaccination, which is crucial for rational vaccine design. Here, we constructed in vivo dynamic single-cell resolution blood immune landscapes of chickens immunized with live-attenuated or inactivated IBV. Bioinformatic analysis together with in vivo examination revealed that live-attenuated and inactivated vaccines reshaped lymphocytes and led to identical compositions through different mechanisms. Inactivated vaccines activate T lymphocytes through dendritic cells with subsequent T lymphocyte-dependent B lymphocyte expansion upon prime vaccination but induce pathogen-specific antibodies only after boost vaccination. Prime vaccination with a live-attenuated vaccine led to an initial preference for monocytes/macrophages as antigen-presenting cells (APCs), followed by extensive activation of the main APCs, which facilitated rapid T lymphocyte expansion and elicited satisfactory humoral immunity. Along with the disparate utilization of APCs, live-attenuated and inactivated vaccines yielded distinct TCR repertoires and triggered different B lymphocyte dynamics despite their similar final BCR repertoires. Furthermore, APC preference correlated with vaccine effectiveness rather than modality, as prime avian influenza vaccination triggered effective adaptive immune responses with the same APC preference as live-attenuated IBV did. This study comprehensively characterized avian coronavirus prime vaccination and highlighted the key role of APC preference.
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Registered trials
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