Cited by 104Liver physiology and pathologyCongenital heart defects researchNeurogenesis and neuroplasticity mechanisms

c-Myc regulates cell size and ploidy but is not essential for postnatal proliferation in liver

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Baena, Esther, Gandarillas, Alberto, Vallespinós, Mireia, Zanet, Jennifer, Bachs, Oriol, Redondo, Clara, Fabregat, Isabel, Martinez-A., Carlos +1 more·2005·Proceedings of the National Academy of Sciences

Abstract

The c-Myc protein is a transcription factor implicated in the regulation of multiple biological processes, including cell proliferation, cell growth, and apoptosis. In vivo overexpression of c-myc is linked to tumor development in a number of mouse models. Here, we show that perinatal inactivation of c-Myc in liver causes disorganized organ architecture, decreased hepatocyte size, and cell ploidy. Furthermore, c-Myc appears to have distinct roles in proliferation in liver. Thus, postnatal hepatocyte proliferation does not require c-Myc, whereas it is necessary for liver regeneration in adult mice. These results show novel physiological functions of c-myc in liver development and hepatocyte proliferation and growth.

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Crossref · 10.1073/pnas.0409260102

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  • The CAR-driven c-Myc-Foxm1 axis has been implicated in promoting hepatocyte proliferation and regeneration in rodents.

    “Although the CAR-driven c-Myc–Foxm1 axis has been implicated in promoting hepatocyte proliferation and regeneration in rodents,43,44”

    From Constitutive Androstane Receptor Regulates Bile Acid Homeostasis and Metabolism During Liver Regeneration (2026) · cites this paper as [44]

    The Results and Discussion (Table 1 section; page not provided) report impaired liver regeneration and reduced proliferation markers after c-Myc deletion in adult mice. This supports a role for c-Myc in regeneration, but our copy does not identify CAR, Foxm1, or a CAR-driven c-Myc–Foxm1 axis (searched: CAR-driven c-Myc Foxm1; constitutive androstane receptor Foxm1). (LLM, conf=0.87)

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Authors
Baena, E., Gandarillas, A., Vallespinós, M., Zanet, J., Bachs, O., Redondo, C., Fabregat, I., Martinez-A., C., & de Alborán, I. M.
Affiliations
  • Consejo Superior de Investigaciones Científicas (ES)
  • Department of Immunology and Oncology, Centro Nacional de Biotecnología/Consejo Superior de Investigaciones Científicas, Universidad Autónoma de Madrid, Cantoblanco, E-28049 Madrid, Spain; Institut Universitaire de Recherche Clinique, Laboratoire de Dermatologie Moléculaire Unité Propre de Recherche de l'Enseignement Superieur EA3754, F-34093 Montpellier, France; Departament de Biologia Cellular i Anatomia Patologica, Institut d'Investigacions Biomediques August Pi i Sunyer, Facultat de Medicina,...
Venue
Proceedings of the National Academy of Sciences
Published
2005-04-27
Volume
102
Issue
20
Pages
7286-7291
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2046528425
Cited by
104
References
49
Citations by year
2026: 1 · 2025: 7 · 2024: 6 · 2023: 12 · 2022: 6 · 2021: 2 · 2020: 4 · 2018: 2 · 2017: 3 · 2016: 4 · 2015: 4 · 2014: 3 · 2013: 6 · 2012: 6
FWCI
4.20
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Dipòsit Digital de la Universitat de Barcelona (Universitat de Barcelona) (submittedVersion, cc-by-nc-nd)
Topics
  • Health Sciences › Medicine › Hepatology › Liver physiology and pathology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Congenital heart defects research
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
Keywords
c-Myc, hepatocyte proliferation, liver regeneration, hepatocyte size, cell ploidy, liver development, cell growth, transcription factors
MeSH terms
Animals, Bromodeoxyuridine, Fluoresceins, Immunohistochemistry, Liver, Ploidies, Poly I-C, Polymerase Chain Reaction, Proto-Oncogene Proteins c-myc, DNA Primers, Mice, Knockout, Hepatocytes, Cell Size, Cell Proliferation, Mice

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