DNA-PKcs	DNA-dependent protein kinase catalytic subunit
DSB	double-strand break
dsDNA	double-stranded DNA
GFP	green fluorescent protein
HR	homologous recombination
KD	knockdown
MMC	Mitomycin C
NHEJ	non-homologous end-joining
NSCLC	non-small cell lung cancer
PKB	protein kinase B
siRNA	short-interfering RNA
SF	surviving fraction
ssDNA	single-stranded DNA