ArticleProceedings of the National Academy of Sciences of the United States of America2025
Glycan recognition by collectin-11 drives SARS-CoV-2 infectivity and membrane injury of respiratory epithelial cells.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 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.
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Who cites it
3 citing papers in PubMed.
- A scientific journey through viral immunology, vaccines, and neuroinflammation.Human vaccines & immunotherapeutics · 2026Article
- Collectin-11, a complement pattern recognition molecule, mediates pulmonary SARS-CoV-2 neutralization and protection.PLoS pathogens · 2026Article
- Glycan recognition by collectin-11 drives SARS-CoV-2 infectivity and membrane injury of respiratory epithelial cells.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
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Authors and funding
19 authors.
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Abstract
SARS-CoV-2 respiratory-tract infection affects both vaccinated and unvaccinated persons suggesting factors besides adaptive immunity are operative. We investigated the role of collectin-11 (CL-11), an epithelial-secreted carbohydrate-binding lectin that drives innate immunity and eliminates pathogens by complement activation. SARS-CoV-2, despite binding CL-11 to activate complement, was resistant to lysis. Remarkably, opsonization by CL-11 enhanced virus production by infected respiratory epithelial cells independently of complement. Furthermore, infected cells expressing SARS-CoV-2 spike protein displayed enhanced vulnerability to CL-11 binding and membrane attack by complement. The mechanism of enhanced infectivity was ablated in the presence of L-fucose, which occupied the extended carbohydrate-binding cleft of CL-11 in a crystallographic analysis of complexes between L-fucose and CL-11. Our study suggests pathogenicity of SARS-CoV-2 is related to complement-resistance together with enhanced infectivity and injury of respiratory epithelial cells mediated by locally released CL-11.
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