Cited by 63Liver physiology and pathologyDrug-Induced Hepatotoxicity and ProtectionTissue Engineering and Regenerative Medicine

Mature hepatocytes are the source of small hepatocyte-like progenitor cells in the retrorsine model of liver injury

Avril, Audrey, Pichard, Virginie, Bralet, Marie-Pierre, Ferry, Nicolas·2004·Journal of Hepatology

Abstract

Background/aims Mature hepatocytes divide to restore liver mass after injury. However, when hepatocyte division is impaired by retrorsine poisoning, regeneration proceeds from another cell type: the small hepatocyte-like progenitor cells (SHPCs). Our aim was to test whether SHPCs could originate from mature hepatocytes. Methods Mature hepatocytes were genetically labeled using retroviral vectors harboring the beta-galactosidase gene. After labeling, retrorsine was administered to rats followed by a partial hepatectomy to trigger regeneration. A liver biopsy was performed one month after surgery and rats were sacrificed one month later. Results We observed the proliferation of small hepatocytes arranged in clusters in liver biopsies. These cells expressed Ki67 antigen and displayed a high mitotic index. At sacrifice, regeneration was completed and clusters had merged. A significant proportion of clusters also expressed beta-galactosidase demonstrating their origin from labeled mature hepatocytes. Finally, the overall proportion of beta-galactosidase positive cells was identical at the time of hepatectomy as well as in liver biopsy and at sacrifice. Conclusions The constant proportion of beta-galactosidase positive cells during the regeneration process demonstrates that mature hepatocytes are randomly recruited to proliferate and compensate parenchyma loss in this model. Furthermore, mature hepatocytes are the source of SHPC after retrorsine injury.

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Crossref · 10.1016/j.jhep.2004.07.029

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Authors
Avril, A., Pichard, V., Bralet, M.-P., & Ferry, N.
Affiliations
  • Inserm (FR)
  • Hôpital Paul-Brousse (FR)
Corresponding author
Ferry, Nicolas
Venue
Journal of Hepatology
Publisher
Elsevier BV
Published
2004-11
Volume
41
Issue
5
Pages
737-743
ISSN
0168-8278 (ISSN-L)
OpenAlex
W2168649560
Cited by
62
References
46
Citations by year
2025: 1 · 2024: 1 · 2023: 3 · 2021: 2 · 2020: 2 · 2019: 1 · 2018: 2 · 2017: 1 · 2016: 1 · 2015: 2 · 2014: 1 · 2013: 1 · 2012: 3
FWCI
4.82
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Hepatology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Hepatology › Liver physiology and pathology
  • Life Sciences › Pharmacology, Toxicology and Pharmaceutics › Pharmacology › Drug-Induced Hepatotoxicity and Protection
  • Health Sciences › Medicine › Surgery › Tissue Engineering and Regenerative Medicine
Keywords
liver regeneration, hepatocyte proliferation, partial hepatectomy, Ki-67, liver injury
MeSH terms
Animals, Antineoplastic Agents, Phytogenic, beta-Galactosidase, Disease Models, Animal, Lac Operon, Liver Diseases, Liver Regeneration, Male, Pyrrolizidine Alkaloids, Stem Cells, Rats, Sprague-Dawley, Hepatocytes, Animals, Genetically Modified, Rats, Chemical and Drug Induced Liver Injury

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