[Cancer stem cells: Radiotherapeutic features and therapeutic targets].

[Cancer stem cells: Radiotherapeutic features and therapeutic targets].

Bull Cancer. 2015 Dec 15;

Authors: Méry B, Rancoule C, Guy JB, Espenel S, Wozny AS, Simonet S, Vallard A, Alphonse G, Ardail D, Rodriguez-Lafrasse C, Magné N

Abstract
Recent evidences suggest that many types of cancers contain a cell population presenting stem cell properties. While the great majority of tumor cells are destined to differentiate, and eventually stop dividing, only a minority population of cells, termed cancer stem cells (CSCs), possesses extensive self-renewal capability and can recapitulate tumor pathophysiology in an immune-compromised animal model. Tumor initiating cells have been identified and isolated in many tumor types including brain, colon and prostate. They are virtually resistant to radiation and may contribute to treatment resistance and recurrence. Therefore, therapies specifically targeting CSCs will likely be needed for complete tumor eradication. The present study reviews published reports identifying the mechanisms of radioresistance of CSCs and potential targets based on the pathways of self-renewal. Further elucidation of pathways that regulate CSCs may provide insights into the development of novel innovative therapies.

PMID: 26702506 [PubMed - as supplied by publisher]

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