AcH3	Acetylation of histone H3
ANOVA	Analysis of variance
BDNF	Brain-derived neurotropic factor
cDNA	Complementary deoxyribonucleic acid
ChIP	Chromatin immunoprecipitation
Ct	Cycle threshold
CUS	Chronic unpredictable stress
DNA	Deoxyribonucleic acid
EE	Enriched environment
EZH2	Enhancer of zeste homolog 2
FST	Forced swimming test
G9a	Euchromatic histone-lysine N-methyltransferase 2 (EHMT2)
GAPDH	Glyceraldehyde-3-phosphate dehydrogenase
H3	Histone H3
H3K4	Histone H3 lysine 4
H3K4me3	Trimethylation of H3K4
H3K9	Histone H3 lysine 9
H3K9me3	Trimethylation of H3K9
H3K20	Histone H3 lysine 20
H3K27	Histone H3 lysine 27
H3K27me3	Trimethylation of H3K27
H3K36	Histone H3 lysine 36
H4	Histone H4
HATs	Histone acetyltransferases
HDAC5	Histone deacetylase 5
HDACs	Histone deacetylases
i.p.	Intraperitoneal
IP	Immunoprecipitation
K	Lysine
mRNA	Messenger RNA
PND	Postnatal day
qRT-PCR	Quantitative real-time polymerase chain reaction
RNA	Ribonucleic acid
RPL30	Ribosomal protein L30
SEM	Standard error of the mean
Set7/9	SET domain-containing lysine N-methyltransferase 7 (SETD7)