DNA damage repair pathways in cancer stem cells

Ruggero De Maria Marchiano, Marcello Maugeri-Saccà, Monica Bartucci

Risultato della ricerca: Contributo in rivistaArticolo in rivista

102 Citazioni (Scopus)

Abstract

The discovery of tumor-initiating cells endowed with stem-like features has added a further level of complexity to the pathobiology of neoplastic diseases. In the attempt of dissecting the functional properties of this uncommon cellular subpopulation, investigators are taking full advantage of a body of knowledge about adult stem cells, as the "cancer stem cell model" implies that tissue-resident stem cells are the target of the oncogenic process. It is emerging that a plethora of molecular mechanisms protect cancer stem cells (CSC) against chemotherapy- and radiotherapy-induced death stimuli. The ability of CSCs to survive stressful conditions is correlated, among others, with a multifaceted protection of genome integrity by a prompt activation of the DNA damage sensor and repair machinery. Nevertheless, many molecular-targeted agents directed against DNA repair effectors are in late preclinical or clinical development while the identification of predictive biomarkers of response coupled with the validation of robust assays for assessing biomarkers is paving the way for biology-driven clinical trials. ©2012 AACR.
Lingua originaleEnglish
pagine (da-a)1627-1636
Numero di pagine10
RivistaMolecular Cancer Therapeutics
Volume11
DOI
Stato di pubblicazionePubblicato - 2012

Keywords

  • Adult Stem Cells
  • Animals
  • Antineoplastic Agents
  • Cancer Research
  • Cell Cycle
  • DNA Damage
  • DNA Repair
  • Humans
  • Neoplastic Stem Cells
  • Oncology
  • Signal Transduction

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