Cited by 49Liver physiology and pathologyHepatocellular Carcinoma Treatment and PrognosisWound Healing and Treatments

HGF/c-Met signaling promotes liver progenitor cell migration and invasion by an epithelial-mesenchymal transition-independent, phosphatidyl inositol-3 kinase-dependent pathway in an in vitro model

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Suárez-Causado, A., Caballero-Díaz, D., Bertrán, E., Roncero, C., Addante, A., García-Álvaro, M., Fernández, M., Herrera, B. +3 more·2015·Biochimica et Biophysica Acta (BBA) - Molecular Cell Research

Abstract

Oval cells constitute an interesting hepatic cell population. They contribute to sustain liver regeneration during chronic liver damage, but in doing this they can be target of malignant conversion and become tumor-initiating cells and drive hepatocarcinogenesis. The molecular mechanisms beneath either their pro-regenerative or pro-tumorigenic potential are still poorly understood. In this study, we have investigated the role of the HGF/c-Met pathway in regulation of oval cell migratory and invasive properties. Our results show that HGF induces c-Met-dependent oval cell migration both in normal culture conditions and after in vitro wounding. HGF-triggered migration involves F-actin cytoskeleton reorganization, which is also evidenced by activation of Rac1. Furthermore, HGF causes ZO-1 translocation from cell-cell contact sites to cytoplasm and its concomitant activation by phosphorylation. However, no loss of expression of cell-cell adhesion proteins, including E-cadherin, ZO-1 and Occludin-1, is observed. Additionally, migration does not lead to cell dispersal but to a characteristic organized pattern in rows, in turn associated with Golgi compaction, providing strong evidence of a morphogenic collective migration. Besides migration, HGF increases oval cell invasion through extracellular matrix, a process that requires PI3K activation and is at least partly mediated by expression and activation of metalloproteases. Altogether, our findings provide novel insights into the cellular and molecular mechanisms mediating the essential role of HGF/c-Met signaling during oval cell-mediated mouse liver regeneration.

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Crossref · 10.1016/j.bbamcr.2015.05.017

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Authors
Suárez-Causado, A., Caballero-Díaz, D., Bertrán, E., Roncero, C., Addante, A., García-Álvaro, M., Fernández, M., Herrera, B., Porras, A., Fabregat, I., & Sánchez, A.
Affiliations
  • Institut d'Investigació Biomédica de Bellvitge (ES)
  • Universidad Complutense de Madrid (ES)
Corresponding author
Sánchez, A.
Venue
Biochimica et Biophysica Acta (BBA) - Molecular Cell Research
Publisher
Elsevier BV
Published
2015-10
Volume
1853
Issue
10
Pages
2453-2463
ISSN
0167-4889 (ISSN-L)
OpenAlex
W314299795
Cited by
49
References
60
Citations by year
2025: 4 · 2024: 4 · 2023: 2 · 2022: 7 · 2021: 9 · 2020: 3 · 2019: 5 · 2018: 5 · 2017: 5 · 2016: 4 · 2015: 1
FWCI
2.97
Type
journal article
Language
en
Open access
Locations
  • Biochimica et Biophysica Acta (BBA) - Molecular Cell Research (publishedVersion)
  • PubMed (publishedVersion)
  • Library Open Repository (Universidad Complutense Madrid) (submittedVersion, other-oa)
Funders
  • Spanish Ministry of Economy and Competitiveness, MINECO (SAF2009-12477, BFU2012-35538)
  • UCM Research Funding (920359)
  • People Programme (Marie Curie Actions) (#PITN-GA-2012-316549)
  • Alban Programme (SAF2009-12477)
  • General Direction of Universities and Research (Community of Madrid) (S2010/BMD-2402)
Topics
  • Health Sciences › Medicine › Hepatology › Liver physiology and pathology
  • Health Sciences › Medicine › Hepatology › Hepatocellular Carcinoma Treatment and Prognosis
  • Health Sciences › Medicine › Rehabilitation › Wound Healing and Treatments
Keywords
HGF/MET signaling, oval cells, liver progenitor cells, cell migration, cell invasion, PI3K signaling, collective migration, F-actin cytoskeleton, Rac1, cell-cell adhesion, matrix metalloproteinases, liver regeneration, hepatocarcinogenesis
MeSH terms
Actins, Animals, Cell Movement, Liver, Models, Biological, Neuropeptides, Stem Cells, Cadherins, Hepatocyte Growth Factor, Mice, Knockout, Proto-Oncogene Proteins c-met, Phosphatidylinositol 3-Kinases, rac1 GTP-Binding Protein, Mice, Epithelial-Mesenchymal Transition, Occludin, Zonula Occludens-1 Protein

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