53BP1	p53-binding protein 1
BER	base excision repair
BrdU	5-bromo-2-deoxyuridine
CA	hippocampal cornu Ammonis
CASP3	caspase 3
cCASP3	cleaved (active) caspase 3
CI	confidence interval
DAPI	4′, 6-diamidino-2-phenylindole dihydrochloride
DDR	DNA damage response
DSBs	double-stranded DNA breaks
GFAP	glial fibrillary acidic protein
IMF	immunofluorescence
NeuN	neuronal nuclear antigen
OB	olfactory bulb
PB	phosphate buffer
pHH3	phosphorylated form of histone H3
RMS	rostral migratory stream
ROS	reactive oxygen species
SSBs	single-stranded DNA breaks
SVZ	subventricular zone of the lateral ventricle
γH2AX	γ phosphorylated form of histone H2