3.8 Article

A novel role for DNA single-strand breaks in senescence and neoplastic escape of epithelial cells

Journal

MOLECULAR & CELLULAR ONCOLOGY
Volume 3, Issue 5, Pages -

Publisher

TAYLOR & FRANCIS INC
DOI: 10.1080/23723556.2016.1190885

Keywords

Cancerogenesis; DNA single-strand breaks; keratincytes; oxidative stress; p16; p38MAPK; senescence; XRCC1

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Funding

  1. Center National de la Recherche Scientifique
  2. Universite Lille 1
  3. Universite Lille 2
  4. Ligue contre le Cancer
  5. Association pour la Recherche sur le Cancer
  6. Institut Pasteur de Lille
  7. SIRIC OncoLille [INCa-DGOS-Inserm 6041]

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In contrast to fibroblasts, epithelial cells spontaneously escape from senescence and develop clones of mutated, transformed, and tumorigenic cells. Recently, we revealed that accumulation of unrepaired DNA single-strand breaks is a trigger of the p16 (CDKN2)-dependent cell cycle arrest pathway in senescent epithelial cells and also the mutagenic motor of post-senescence neoplastic escape.

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