Trial reportFrontiers in immunology2026
Profiling of human and microbial cell-free DNA reflects early host-pathogen interactions in sepsis.
Trial report in Frontiers in immunology, 2026. 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.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
1 citing paper in PubMed.
- DAMPs, PAMPs, and Alarmins: From Mechanism to Therapy.MedComm · 2026Review
Corrections and comments
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Authors and funding
9 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Objectives: In sepsis, circulating cell-free DNA (cfDNA) originates from host cells (damage-associated molecular patterns, DAMPs) and pathogens (pathogen-associated molecular patterns, PAMPs), contributing to immune activation and offering potential as both a biomarker and a therapeutic target. While DAMPs are thought to predominate in early sepsis, this study aimed to quantify their relative abundance and assess their correlation with inflammatory markers compared to PAMPs. Methods: In this prospective observational study, blood samples of 18 ICU patients were collected within 24 hours of sepsis diagnosis. Plasma cfDNA was analyzed via qPCR (targeting human LINE-1) and iSEP-SEQ nanopore sequencing. Human and microbial cfDNA were quantified, and method correlation was assessed using Kendall's tau-b correlation. Associations with inflammatory biomarkers were tested using Spearman correlation analysis and group comparisons between human and non-human reads were analyzed with Pearson correlation analysis. The study received ethical approval from the Landesärztekammer Rheinland-Pfalz (Approval Number: 2020-15535). Results: cfDNA was predominantly of human origin, comprising 99.86% of classified reads, with microbial cfDNA accounting for only 0.077% (p < 0.001). qPCR-based cfDNA concentrations strongly correlated with human read counts from sequencing (τ = 0.712; p < 0.001). Human cfDNA levels were significantly associated with LDH, WBC, and CRP. Microbial cfDNA, although low in abundance, correlated with WBC, CRP, and D-dimer. Conclusions: In early sepsis, human cfDNA is markedly more abundant than microbial cfDNA. However, both exhibit strong correlations with inflammatory and tissue injury markers. These findings support a model of PAMP-triggered and DAMP-driven inflammation and identify human cfDNA as a promising biomarker and potential therapeutic target. Clinical Trial Registration: https://drks.de/search/de/trial/DRKS00025222/details, identifier DRKS-ID: 00025222.
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