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Copyright ©The Author(s) 2016.
World J Stem Cells. Jan 26, 2016; 8(1): 13-21
Published online Jan 26, 2016. doi: 10.4252/wjsc.v8.i1.13
Table 2 Main determinants of cancer stem cell radioresistance
Molecular determinants of radioresistanceMechanism
Intrinsic determinantsEnhanced DNA repair capability
Protection from oxidative DNA damage
Activation of the cell survival pathways
(PI3K/Akt, WNT/β-catenin, notch)
Expression of drug efflux pumps
Extrinsic determinantsHypoxic environment