ArticleJournal of leukocyte biology2025
CD300ld promotes neutrophil bacterial phagocytosis in sepsis.
Article in Journal of leukocyte biology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 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.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
2 citing papers in PubMed.
- Article
- Neutrophil in sepsis: functional aberration and regulated cell death.Frontiers in immunology · 2026Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
4 authors.
Funding
Abstract
Sepsis is a life-threatening condition caused by a dysregulated immune response to infection. Neutrophils act as first line of defense against infection, but their function can become impaired in sepsis. CD300 antigen-like family member d (CD300ld), predominantly expressed on neutrophils, associates with Fc receptor common gamma-chain (FcRγ chain), a component vital for phagocytosis. In this study, we investigated the role of CD300ld in neutrophil phagocytosis. Our results demonstrate a marked decrease in CD300ld expression on neutrophils isolated from both septic mice and patients. CD300ld was positively correlated with bacterial phagocytosis in neutrophils. The transcriptomic analysis of CD300ld knock-out neutrophils revealed a downregulation of genes related to defense response to bacteria, suggesting that CD300ld is a key modulator of bacterial clearance. Stimulation of CD300ld with an agonist antibody in neutrophils led to the activation of Rac2, a key regulator of actin polymerization, facilitating the enhanced phagocytosis. Furthermore, CD300ld activation significantly enhanced the in vitro phagocytosis of Escherichia coli and Staphylococcus aureus by neutrophils. Septic mice adoptively transferred with CD300ld-activated neutrophils exhibited markedly reduced bacterial loads in the blood and peritoneum, decreased inflammatory cytokine levels, and alleviated organ injury. These findings highlight the critical role of CD300ld signaling in neutrophil-mediated bacterial clearance in sepsis and provide a solid foundation for future research aimed at developing novel immunotherapies against this deadly disease condition.
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Registered trials
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