ArticleFrontiers in immunology2026
Transcriptomic analysis reveals immune dysregulation and identifies key genes in ICU patients with severe ARDS.
Article in Frontiers in immunology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Objective: Acute respiratory distress syndrome (ARDS) is characterized by severe immune dysregulation, yet its molecular determinants remain poorly defined. This study aimed to delineate the immune imbalance landscape of ICU patients with ARDS and to validate the expression and potential functional relevance of candidate hub genes through Methods: Bulk transcriptomic datasets were merged and analyzed using differential expression, WGCNA, and machine learning approaches. Functional enrichment and cell deconvolution were assessed, followed by single-cell transcriptomic validation. Results: Combined analyses highlighted immune-related pathways and revealed marked alterations in innate and adaptive immune subsets. Two histone-related genes, H2BC4 and H2BC12, emerged as candidate hub genes with preferential expression in myeloid populations and inducible upregulation under inflammatory stimulation. Conclusion: This study provides novel insights into ARDS immunopathogenesis and identifies potential molecular targets that may inform future diagnostic and therapeutic strategies.
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