ArticleJCI insight2025
ETS1 suppresses hepatic stellate cell activation and liver fibrosis.
Article in JCI insight, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Decoding fibroblast activation: Transcriptional networks in hepatic stellate cells and across fibrotic organs (Review).International journal of molecular medicine · 2026Review
- Mitochondrial Dysfunction in Metabolic-Syndrome-Related MASLD/MASH: Metabolic Mechanisms and Therapeutic Perspectives.Metabolites · 2026Review
- New approach methodologies to model liver fibrosis in metabolic dysfunction-associated steatohepatitis.BMB reports · 2026Review
- <p>Beyond hepatic stellate cell heterogeneity: Resolving fibrosis, restoring regeneration (Review)</p>.International journal of molecular medicine · 2026Review
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Authors and funding
10 authors.
Funding
Abstract
Chronic liver injury results in activation of quiescent hepatic stellate cells (HSCs) into collagen type I-producing activated HSCs that make the liver fibrotic. We identified ETS1 and ETS2 (ETS1/2) as lineage-specific transcription factors regulating HSC phenotypes. Here, we investigated the role of ETS1/2 in HSCs in liver fibrosis using toxic liver injury models and 3D human liver spheroids. Liver fibrosis was induced in WT and HSC-specific Ets1-KO (Ets1ΔHSC) and Ets2-KO (Ets2ΔHSC) mice by administration of CCl4 for 6 weeks, followed by cessation of liver injury for 2 weeks. Liver fibrosis was more severe in Ets1ΔHSC and to a lesser extent Ets2ΔHSC mice compared with WT mice. Regression of liver fibrosis was suppressed only in Ets1ΔHSC mice, indicating Ets1 is the predominant isoform maintaining a quiescent-like phenotype in HSCs. Similar results were obtained in a metabolic dysfunction-associated steatohepatitis (MASH) model using 3D human liver spheroids. Knockdown of ETS1 in human HSCs caused upregulation of fibrogenic genes in MASH human liver spheroids and prevented fibrosis regression. ETS1 regulated the quiescent HSC phenotype via the CREB-regulated transcription coactivator 2 (CRTC2)/PGC1α/PPARγ pathway. Knockdown of CRTC2 abrogated PPARγ responses and facilitated HSC activation. These findings suggest that ETS1 may represent a therapeutic target for antifibrotic therapy.
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