Cited by 95Cancer-related Molecular PathwaysLiver physiology and pathologyGenomics and Chromatin Dynamics

E2f8 mediates tumor suppression in postnatal liver development

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Kent, Lindsey N., Rakijas, Jessica B., Pandit, Shusil K., Westendorp, Bart, Chen, Hui-Zi, Huntington, Justin T., Tang, Xing, Bae, Sooin +25 more·2016·Journal of Clinical Investigation

Abstract

E2F-mediated transcriptional repression of cell cycle-dependent gene expression is critical for the control of cellular proliferation, survival, and development. E2F signaling also interacts with transcriptional programs that are downstream of genetic predictors for cancer development, including hepatocellular carcinoma (HCC). Here, we evaluated the function of the atypical repressor genes E2f7 and E2f8 in adult liver physiology. Using several loss-of-function alleles in mice, we determined that combined deletion of E2f7 and E2f8 in hepatocytes leads to HCC. Temporal-specific ablation strategies revealed that E2f8's tumor suppressor role is critical during the first 2 weeks of life, which correspond to a highly proliferative stage of postnatal liver development. Disruption of E2F8's DNA binding activity phenocopied the effects of an E2f8 null allele and led to HCC. Finally, a profile of chromatin occupancy and gene expression in young and tumor-bearing mice identified a set of shared targets for E2F7 and E2F8 whose increased expression during early postnatal liver development is associated with HCC progression in mice. Increased expression of E2F8-specific target genes was also observed in human liver biopsies from HCC patients compared to healthy patients. In summary, these studies suggest that E2F8-mediated transcriptional repression is a critical tumor suppressor mechanism during postnatal liver development.

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  • E2f7 and E2f8, as well as polyploidy, suppress tumorigenesis.

    “E2f7 and E2f8, as well as polyploidy, are known to suppress tumorigenesis (43–46).”

    From Wnt signaling regulates hepatocyte cell division by a transcriptional repressor cascade (2022) · cites this paper as [43]

    The Discussion reports that loss of the E2F7/8 repressors leads to hepatocellular carcinoma in mice, and “Tumor suppressive function of E2F8” specifically identifies E2F8 as suppressing cancer initiation in developing livers. The paper also links E2F7/8 loss to reduced hepatocyte ploidy, but the passages do not establish that polyploidy itself suppresses tumorigenesis. Page numbers were not available in our copy. (LLM, conf=0.86)

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  • E2f7 and E2f8 as well as polyploidy are known to suppress tumorigenesis.

    “while E2f7 and E2f8 as well as polyploidy are known to suppress tumorigenesis (Kent et al. 2016;Moreno et al. 2021;Wilkinson et al. 2019;Zhang et al. 2018).”

    From Hepatocyte Cell Cycle Progression Depends on a Transcriptional Repressor Cascade Downstream of Wnt Signaling (2021) · cites this paper as Kent et al. 2016

    The “Tumor suppressive function of E2F8” section reports that E2f8 deletion promoted liver cancer in mice and that combined loss of E2f7 and E2f8 led to spontaneous liver cancer. The paper also says E2F8 is critical for hepatocyte polyploidy, but it does not establish that polyploidy itself suppresses tumorigenesis. Its tumor-suppression finding is specific to liver cancer in mice, rather than tumorigenesis generally. (LLM, conf=0.87)

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Research works printed but not linked: 2

  1. Laurent-Puig P, Zucman-Rossi J. Genet- ics of hepatocellular tumors. Oncogene. 2006;25(27):3778-3786.
  2. Postic C, Magnuson MA. DNA excision in liver by an albumin-Cre transgene occurs progressively with age. Genesis. 2000;26(2):149-150.

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Authors
Kent, L. N., Rakijas, J. B., Pandit, S. K., Westendorp, B., Chen, H.-Z., Huntington, J. T., Tang, X., Bae, S., Srivastava, A., Senapati, S., Koivisto, C., Martin, C. K., Cuitino, M. C., Perez, M., Clouse, J. M., Chokshi, V., Shinde, N., Kladney, R., Sun, D., Perez-Castro, A., Matondo, R. B., Nantasanti, S., Mokry, M., Huang, K., Machiraju, R., Fernandez, S., Rosol, T. J., Coppola, V., Pohar, K. S., Pipas, J. M., Schmidt, C. R., de Bruin, A., & Leone, G.
Affiliations
  • The Ohio State University (US)
  • Utrecht University (NL)
  • University of Pittsburgh (US)
Venue
Journal of Clinical Investigation
Published
2016-07-25
Volume
126
Issue
8
Pages
2955-2969
ISSN
  • 0021-9738 (ISSN-L)
  • 1558-8238
OpenAlex
W2503633139
Cited by
95
References
41
Citations by year
2026: 6 · 2025: 5 · 2024: 8 · 2023: 13 · 2022: 11 · 2021: 14 · 2020: 16 · 2019: 10 · 2018: 6 · 2017: 5
FWCI
3.78
Type
journal article
Language
en
Open access
Locations
  • Journal of Clinical Investigation (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Utrecht University Repository (Utrecht University) (submittedVersion, other-oa)
  • IslandScholar (University of Prince Edward Island) (submittedVersion)
  • University of Groningen research database (University of Groningen / Centre for Information Technology) (submittedVersion)
Funders
  • Universiteit Utrecht
  • KWF Kankerbestrijding
  • National Institutes of Health
  • National Cancer Institute (R01CA098956, R01CA121275, P01CA097189, P30CA016058)
Topics
  • Health Sciences › Medicine › Oncology › Cancer-related Molecular Pathways
  • Health Sciences › Medicine › Hepatology › Liver physiology and pathology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
Keywords
E2F8, E2F7, E2F transcription factors, hepatocellular carcinoma, tumor suppression, postnatal liver development, hepatocytes, transcriptional repression, DNA-binding activity, chromatin occupancy, E2F target genes, liver cancer progression, mouse model
MeSH terms
Protein Domains, Alleles, Animals, Biopsy, Cell Survival, DNA, Female, Genotype, Carcinoma, Hepatocellular, Humans, Liver, Liver Neoplasms, Male, Protein Binding, Repressor Proteins, Signal Transduction, Gene Deletion, Sequence Analysis, RNA, Oligonucleotide Array Sequence Analysis, Hepatocytes, Cell Proliferation, E2F7 Transcription Factor, Mice

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