ATM	Ataxia–Telangiectasia mutated
CENP-F	centromere protein F
DAPI	4′,6-diamidino-2-phenylindole
DDR	DNA damage response
DMSO	Dimethyl sulfoxide
DSB	Double strand break
FCS	Fetal calf serum
FLIM	Fluorescence lifetime imaging microscopy
GFP	Green fluorescent protein
HR	Homologous recombination
IB	Immunoblot
IP	Immunoprecipitation
IR	Ionizing radiation
Kd	Knock-down
LET	Linear energy transfer
NBS1	Nijmegen breakage syndrome 1
NHEJ	Nonhomologous end Joining
O-GlcNAcylation	O-linked-N-acetylglucosaminylation
O-GlcNAc	O-linked β-N-acetylglucosamine
OGA	O-GlcNAcase
OGT	O-GlcNAc transferase
OGTi	O-GlcNAc transferase inhibitor
OGAi	O-GlcNAcase inhibitor
PcG	Polycomb Group Protein
PTM	Post-translational modification
RIF	Radiation-induced foci
53BP1	p53-binding protein1
SD	Standard deviation
SEM	Standard error of the mean
TET	Ten-eleven transcription
UV	Ultraviolet radiation