ArticlebioRxiv : the preprint server for biology2024
The CD4 T cell-independent IgG response during persistent virus infection favors emergence of neutralization-escape variants.
Article in bioRxiv : the preprint server for biology, 2024. 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
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
1 citing paper in PubMed.
- Shedding dynamics of a DNA virus population during acute and long-term persistent infection.PLoS pathogens · 2025Article
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Authors and funding
11 authors.
Funding
Abstract
How changes in the quality of anti-viral antibody (Ab) responses due to pre-existing or acquired CD4 T cell insufficiency affect virus evolution during persistent infection are unknown. Using mouse polyomavirus (MuPyV), we found that CD4 T cell depletion before infection results in short-lived plasma cells secreting low-avidity antiviral IgG with limited BCR diversity and weak virus-neutralizing ability. CD4 T cell deficiency during persistent infection incurs a shift from a T-dependent (TD) to T-independent (TI) Ab response, resembling the pre-existing TI Ab response. CD4 T cell loss before infection or during persistent infection is conducive for emergence of Ab-escape variants. Cryo-EM reconstruction of complexes of MuPyV virions with polyclonal IgG directly from infected mice with pre-existing or acquired CD4 T cell deficiency enabled visualization of shortfalls in TI IgG binding. By debilitating the antiviral IgG response, CD4 T cell deficiency sets the stage for outgrowth of variant viruses resistant to neutralization.
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Registered trials
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