Affiliation:
1. Department of Hepatobiliary Surgery the Second Affiliated Hospital of Chongqing Medical University Chongqing 400016 China
2. Department of Hepatobiliary Surgery Chongqing University Three Gorges Hospital Chongqing 404100 China
Abstract
AbstractThis research utilized single‐cell RNA sequencing to map the immune cell landscape in sepsis, revealing 28 distinct cell clusters and categorizing them into nine major types. Delving into the monocyte/macrophage subclusters, 12 unique subclusters are identified and pathway enrichment analyses are conducted using KEGG and GO, discovering enriched pathways such as oxidative phosphorylation and antigen processing. Further GSVA and AUCell assessments show varied activation of interferon pathways, especially in subclusters 4 and 11. The clinical correlation analysis reveals genes significantly linked to survival outcomes. Additionally, cellular differentiation in these subclusters is explored. Building on these insights, the differential gene expression within these subclusters is specifically scrutinized, which reveal MYOF as a key gene with elevated expression levels in the survivor group. This finding is further supported by in‐depth pathway enrichment analysis and the examination of cellular differentiation trajectories, where MYOF's role became evident in the context of immune response regulation and sepsis progression. Validating the role of the MYOF gene in sepsis, a dose‐dependent response to LPS in THP‐1 cells and C57 mice is observed. Finally, inter‐cellular communications are analyzed, particularly focusing on the MYOF+Mono/Macro subcluster, which indicates a pivotal role in immune regulation and potential therapeutic targeting.
Funder
National Natural Science Foundation of China
Cited by
2 articles.
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