ArticleMammalian genome : official journal of the International Mammalian Genome Society2025
Comprehensive identification of crucial biomarkers and therapeutic targets in cholestasis via integrated single-cell RNA and transcriptome sequencing analysis.
Article in Mammalian genome : official journal of the International Mammalian Genome Society, 2025. 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
Cholestasis, characterized by impaired bile flow, leads to significant hepatic dysfunction and poses a clinical challenge. This study investigated cellular communication networks and molecular mechanisms underlying cholestasis using advanced single-cell and transcriptomic sequencing. Data from the GEO database, including single-cell sequencing (GSE237622) and transcriptome datasets (GSE206364, GSE183754), were analyzed to identify biomarkers and therapeutic targets. Lasso regression highlighted IL32, CRIP2, ANXA2, and VWF as key genes, supported by immune infiltration, functional enrichment, and drug repurposing analysis via the Connectivity Map (CMap) database. Expression of these genes was validated in liver tissue from 13 cholestatic liver disease (CLD) patients and 10 controls. Single-cell sequencing identified 534 cell-type-specific markers, with significant upregulation of IL32, CRIP2, ANXA2, and VWF in CLD patients, particularly in endothelial cells near liver sinusoids and periportal areas. Their expression correlated with serum ALT and AST levels, reflecting disease severity. Drug repurposing analysis identified dexamethasone, fenofibrate, promazine, and SB-590,885 as potential therapies. This study identifies IL32, CRIP2, ANXA2, and VWF as pivotal biomarkers and therapeutic targets for cholestasis, offering new avenues for targeted interventions.
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