Cited by 182Cancer Cells and MetastasisHistone Deacetylase Inhibitors ResearchEpigenetics and DNA Methylation

Identification of a cancer stem cell-specific function for the histone deacetylases, HDAC1 and HDAC7, in breast and ovarian cancer

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Witt, A E, Lee, C-W, Lee, T I, Azzam, D J, Wang, B, Caslini, C, Petrocca, F, Grosso, J +8 more·2017·Oncogene

Abstract

Tumours are comprised of a highly heterogeneous population of cells, of which only a small subset of stem-like cells possess the ability to regenerate tumours in vivo. These cancer stem cells (CSCs) represent a significant clinical challenge as they are resistant to conventional cancer therapies and play essential roles in metastasis and tumour relapse. Despite this realization and great interest in CSCs, it has been difficult to develop CSC-targeted treatments due to our limited understanding of CSC biology. Here, we present evidence that specific histone deacetylases (HDACs) play essential roles in the CSC phenotype. Utilizing a novel CSC model, we discovered that the HDACs, HDAC1 and HDAC7, are specifically over-expressed in CSCs when compared to non-stem-tumour-cells (nsTCs). Furthermore, we determine that HDAC1 and HDAC7 are necessary to maintain CSCs, and that over-expression of HDAC7 is sufficient to augment the CSC phenotype. We also demonstrate that clinically available HDAC inhibitors (HDACi) targeting HDAC1 and HDAC7 can be used to preferentially target CSCs. These results provide actionable insights that can be rapidly translated into CSC-specific therapies.

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Authors
Witt, A. E., Lee, C.-W., Lee, T. I., Azzam, D. J., Wang, B., Caslini, C., Petrocca, F., Grosso, J., Jones, M., Cohick, E. B., Gropper, A. B., Wahlestedt, C., Richardson, A. L., Shiekhattar, R., Young, R. A., & Ince, T. A.
Affiliations
  • University of Miami (US)
  • Brigham and Women's Hospital (US)
  • Whitehead Institute for Biomedical Research (US)
  • Boston Children's Hospital (US)
Corresponding author
Ince, T A
Venue
Oncogene
Published
2016-10-03
Volume
36
Issue
12
Pages
1707-1720
ISSN
  • 0950-9232 (ISSN-L)
  • 1476-5594
OpenAlex
W2527902762
Cited by
172
References
61
Citations by year
2026: 4 · 2025: 9 · 2024: 22 · 2023: 15 · 2022: 32 · 2021: 22 · 2020: 17 · 2019: 17 · 2018: 21 · 2017: 11 · 2016: 1 · 2015: 1
FWCI
8.98
Type
journal article
Language
en
Open access
Locations
  • Oncogene (publishedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • Digital Access to Scholarship at Harvard (DASH) (Harvard University) (submittedVersion, cc-by)
  • DSpace@MIT (Massachusetts Institute of Technology) (submittedVersion, cc-by-nc-nd)
  • Nature
Funders
  • Breast Cancer Research Foundation
  • University of Miami
  • Sylvester Comprehensive Cancer Center, University of Miami Health Systems
  • Leonard M. Miller School of Medicine
  • Leonard M. Miller School of Medicine, University of Miami
  • National Cancer Institute (CA146445, R01CA146445, K22CA184244, P30CA010815)
  • National Institute of General Medical Sciences (R01GM105754, R01GM078455)
  • Congressionally Directed Medical Research Programs (W81XWH-14-1-0160)
Topics
  • Health Sciences › Medicine › Oncology › Cancer Cells and Metastasis
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Histone Deacetylase Inhibitors Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Epigenetics and DNA Methylation
Keywords
cancer stem cells, histone deacetylase, HDAC1, HDAC7, breast cancer, ovarian cancer, histone deacetylase inhibitors, tumor heterogeneity, CSC-targeted therapy
MeSH terms
Animals, Breast Neoplasms, Disease Models, Animal, Female, Genes, Lethal, Histone Deacetylases, Humans, Ovarian Neoplasms, Phenotype, Neoplastic Stem Cells, Biomarkers, RNA, Small Interfering, Cell Line, Tumor, Mice, Gene Knockdown Techniques, Drug Discovery, Histone Deacetylase 1, Histone Deacetylase Inhibitors, Heterografts

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