Abstract
Efficient isolation and culture of liver organoids are critical for studying liver fibrosis, liver regeneration and drug toxicity and screening. However, preserving mature hepatobiliary characteristics and concurrently incorporating fibrosis-producing hepatic stellate cells (HSCs) remains a significant challenge, often hindering the large-scale production of organoids capable of replicating key liver functions. Here, we report a robust 3D organoid culture system that enables simultaneous isolation and long-term propagation of primary hepatocytes, cholangiocytes, and HSCs from a single source of mouse liver tissue. By supplementing the Hep-Med with Notch signaling inhibitor and dexamethasone, we achieved sustained organoid maturity, including stable albumin production, metabolic activity, and liver-specific gene expression, over multiple passages in culture. Quiescent HSCs within the system retained lipid droplets and could be activated into a myofibroblast-like phenotype, also called activated HSCs, via TGFβ stimulation. Activated HSCs impaired the proliferation and stemness, and induced epithelial-mesenchymal transition (EMT) of Hep-Orgs and Cho-Orgs, enabling in vitro liver fibrosis modeling. Optimized for minimal tissue input, this platform maximizes tissue utilization efficiency while preserving the liver’s heterogeneous cellular architecture. Its versatility supports diverse applications in liver disease modeling, drug discovery, and regenerative medicine.
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Data availability
The data underlying this article are available in GEO (Gene Expression Omnibus) at (https://www.ncbi.nlm.nih.gov/geo) and the accession number is GSE308085.
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Acknowledgements
We are sincerely grateful to Professor Ye Hua from the Oxford Suzhou Centre for contributing to our major revision on the expertise of organoid-related technologies.
Funding
This work was supported by Macau Science and Technology Development Fund (FDCT No. 0086/2022/A, 0097/2022/A2 and 0011/2023/AKP).
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Conceptualization, Yingyu Liang, Yongqin Ye, Yan Chen and Paul Tam; Data curation, Yingyu Liang; Funding acquisition, Yan Chen and Paul Tam; Methodology, Yingyu Liang, Yongqin Ye, Hua Xie, Yan Chen and Paul Tam; Project administration, Vincent Lui, Yan Chen and Paul Tam; Software, Yingyu Liang and Yongqin Ye; Validation, Yingyu Liang and Yongqin Ye; Writing–original draft, Yingyu Liang and Yongqin Ye; Writing–review & editing, Yan Chen and Paul Tam.
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Liang, Y., Ye, Y., Xie, H. et al. A robust mouse liver organoid platform enables sustained multicellular maturation and fibrosis modeling from a single tissue sample. Sci Rep (2026). https://doi.org/10.1038/s41598-026-42990-2
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DOI: https://doi.org/10.1038/s41598-026-42990-2
