Cited by 194Telomeres, Telomerase, and SenescenceCancer-related Molecular PathwaysChromatin Remodeling and Cancer

ΔNp63α is an oncogene that targets chromatin remodeler Lsh to drive skin stem cell proliferation and tumorigenesis

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Keyes, William M., Pecoraro, Matteo, Aranda, Victoria, Vernersson-Lindahl, Emma, Li, Wangzhi, Vogel, Hannes, Guo, Xuecui, Garcia, Elvin L. +4 more·2011·Cell Stem Cell

Abstract

SUMMARY The p53 homolog p63 is essential for development, yet its role in cancer is not clear. We discovered that p63 deficiency evokes the tumor suppressive mechanism of cellular senescence, causing a striking absence of stratified epithelia such as the skin. Here we identify the predominant p63 isoform, ΔNp63α, as a protein that bypasses oncogene induced senescence to drive tumorigenesis in vivo. Interestingly, bypass of senescence promotes stem-like proliferation and maintains survival of the keratin 15-positive stem cell population. Furthermore, we identify the chromatin remodeling protein Lsh as a new target of ΔNp63α that is an essential mediator of senescence bypass. These findings indicate that ΔNp63α is an oncogene that cooperates with Ras to promote tumor-initiating stem-like proliferation, and suggest that Lsh-mediated chromatin remodeling events are critical to this process.

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Authors
Keyes, W. M., Pecoraro, M., Aranda, V., Vernersson-Lindahl, E., Li, W., Vogel, H., Guo, X., Garcia, E. L., Michurina, T. V., Enikolopov, G., Muthuswamy, S. K., & Mills, A. A.
Affiliations
  • Cold Spring Harbor Laboratory (US)
  • Universitat Pompeu Fabra (ES)
  • Stanford Medicine (US)
  • University of Toronto (CA)
Corresponding author
  • Keyes, William M.
  • Mills, Alea A.
Venue
Cell Stem Cell
Publisher
Elsevier BV
Published
2011-02
Volume
8
Issue
2
Pages
164-176
ISSN
  • 1875-9777 (ISSN-L)
  • 1934-5909
OpenAlex
W2005062632
Cited by
193
References
53
Citations by year
2026: 6 · 2025: 3 · 2024: 11 · 2023: 8 · 2022: 5 · 2021: 14 · 2020: 12 · 2019: 14 · 2018: 13 · 2017: 17 · 2016: 18 · 2015: 6 · 2014: 18 · 2013: 18 · 2012: 17
FWCI
14.39
Type
journal article
Language
en
Open access
Locations
  • Cell stem cell (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • Cold Spring Harbor Laboratory Institutional Repository (Cold Spring Harbor Laboratory) (acceptedVersion)
  • Repositori digital de la UPF (Universitat Pompeu Fabra) (submittedVersion, other-oa)
Funders
National Cancer Institute (R01CA098830)
Topics
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
  • Health Sciences › Medicine › Oncology › Cancer-related Molecular Pathways
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Chromatin Remodeling and Cancer
Keywords
ΔNp63α, p63 isoforms, LSH, chromatin remodeling, oncogenes, senescence bypass, oncogene-induced senescence, skin stem cells, keratin 15, stem cell proliferation, carcinogenesis, stratified epithelium, skin cancer
MeSH terms
Animals, Cells, Cultured, DNA Helicases, Flow Cytometry, Humans, Mice, Nude, Phosphoproteins, Protein Binding, Skin, Stem Cells, Trans-Activators, Keratinocytes, Polymerase Chain Reaction, Chromatin Immunoprecipitation, Cell Proliferation, Mice

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