Cited by 533Liver physiology and pathologyMesenchymal stem cell researchDrug-Induced Hepatotoxicity and Protection

Bipotential Adult Liver Progenitors Are Derived from Chronically Injured Mature Hepatocytes

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Tarlow, Branden D., Pelz, Carl, Naugler, Willscott E., Wakefield, Leslie, Wilson, Elizabeth M., Finegold, Milton J., Grompe, Markus·2014·Cell Stem Cell

Abstract

Adult liver progenitor cells are biliary-like epithelial cells that emerge only under injury conditions in the periportal region of the liver. They exhibit phenotypes of both hepatocytes and bile ducts. However, their origin and their significance to injury repair remain unclear. Here, we used a chimeric lineage tracing system to demonstrate that hepatocytes contribute to the progenitor pool. RNA-sequencing, ultrastructural analysis, and in vitro progenitor assays revealed that hepatocyte-derived progenitors were distinct from their biliary-derived counterparts. In vivo lineage tracing and serial transplantation assays showed that hepatocyte-derived proliferative ducts retained a memory of their origin and differentiated back into hepatocytes upon cessation of injury. Similarly, human hepatocytes in chimeric mice also gave rise to biliary progenitors in vivo. We conclude that human and mouse hepatocytes can undergo reversible ductal metaplasia in response to injury, expand as ducts, and subsequently contribute to restoration of the hepatocyte mass.

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Crossref · 10.1016/j.stem.2014.09.008

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54 of 54 references verified0 citation errors · 0 not checkable

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  • Following diverse injuries, often involving cholestasis, YAP signalling drives hepatocyte reprogramming via SOX9 induction.

    “Following diverse injuries, often involving cholestasis, YAP signalling also drives hepatocyte reprogramming via SOX9 induction.”
  • Reprogrammed zone 1 hepatocytes exhibited reduced metabolic function, upregulated tissue stem cell markers and increased proliferative capacity, contributing to regeneration.

    “These reprogrammed zone 1 hepatocytes exhibited reduced metabolic function, upregulated tissue stem cell markers and increased proliferative capacity, contributing to regeneration.59,60,100,101”
  • Lineage-tracing studies in animal models have confirmed that hepatocytes contribute to bile duct remodeling following cholangiocyte injury.

    “Lineage-tracing studies in animal models have confirmed that hepatocytes contribute to bile duct remodeling following cholangiocyte injury10,43–48”
  • During injury, mouse hepatocytes can be reprogrammed to proliferative biliary-like progenitor cells (HepPDs).

    “Specifically, during injury, mouse hepatocytes can be reprogrammed to proliferative biliary-like progenitor cells (HepPDs) (Tarlow et al., 2014; Yanger et al., 2013”
  • HepPDs lose hepatic features but display the characteristics of liver progenitors.

    “which lose hepatic features but display the characteristics of liver progenitors (Tarlow et al., 2014”

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Authors
Tarlow, B. D., Pelz, C., Naugler, W. E., Wakefield, L., Wilson, E. M., Finegold, M. J., & Grompe, M.
Affiliations
  • Oregon Health & Science University (US)
  • Yecuris (United States) (US)
  • Baylor College of Medicine (US)
Corresponding author
Tarlow, Branden D.
Venue
Cell Stem Cell
Publisher
Elsevier BV
Published
2014-11
Volume
15
Issue
5
Pages
605-618
ISSN
  • 1875-9777 (ISSN-L)
  • 1934-5909
OpenAlex
W1968856828
Cited by
533
References
55
Citations by year
2026: 16 · 2025: 34 · 2024: 43 · 2023: 48 · 2022: 40 · 2021: 61 · 2020: 47 · 2019: 45 · 2018: 61 · 2017: 45 · 2016: 54 · 2015: 36 · 2014: 2
FWCI
25.48
Type
journal article
Language
en
Open access
Locations
  • Cell stem cell (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Oregon Health and Science University
  • National Institutes of Health (5p01dk044080-05)
  • National Cancer Institute (P30CA069533)
  • National Institute of General Medical Sciences (T32GM071338)
  • National Institute of Diabetes and Digestive and Kidney Diseases (F30-DK09551, F30DK095514, R01DK051592, P01-DK044080, T32DK007202, P30DK056338)
Topics
  • Health Sciences › Medicine › Hepatology › Liver physiology and pathology
  • Health Sciences › Medicine › Genetics › Mesenchymal stem cell research
  • Life Sciences › Pharmacology, Toxicology and Pharmaceutics › Pharmacology › Drug-Induced Hepatotoxicity and Protection
Keywords
hepatocyte injury, liver regeneration, lineage tracing, chimeric mice, periportal zone, liver injury repair
MeSH terms
Animals, Cell Differentiation, Cell Separation, Clone Cells, Gene Expression Regulation, Hepatic Duct, Common, Humans, Liver, Mesoderm, Mice, Inbred C57BL, Biomarkers, Hepatocytes, Adult Stem Cells, SOX9 Transcription Factor, Cellular Microenvironment

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