2,4-D	2,4-cichlorophenoxyacetic acid
5mC	5-Methylcytosine
Aβ	Amyloid beta
ACTA2	Actin alpha 2
AD	Alzheimer’s disease
ADP	Adenosine-5′-diphosphate
AKT	Protein kinase B (PKB)
ALSPAC	Avon longitudinal study of parents and children
Ano6	Anoctamin 6
Arap2	Ankyrin repeat and PH domain 2
ARTs	Adenosine-5′-diphosphate-ribosyltransferases
As	Arsenic
bdnf	Brain-derived neurotrophic factor
BPA	Bisphenol A
Cd	Cadmium
CDH13	Cadherin 13
CHRNA5	Cholinergic receptor nicotinic alpha 5 subunit
CO	Carbon monoxide
CpG	Cytosine–phosphate–guanine
Cpne4	Copine 4
CRISPR	Clustered regularly interspaced short palindromic repeats
Cul2	Cullin-2
CVD	Cardiovascular diseases
DDT	Dichlorodiphenyltrichloroethane
DEHP	Di-(2-ethylhexyl) phthalate
DEPs	Diesel exhaust particles
dio3	Deiodinase, iodothyronine type III
Dlg2	discs large MAGUK scaffold protein 2
DMPs	Differentially methylated positions
DMSO	Dimethyl sulfoxide
DNA	Deoxyribonucleic acid
DNMTs	Deoxyribonucleic acid methyltransferases
Dock3	Dedicator of cytokinesis 3
EDCs	Endocrine-disrupting chemicals
EPA	The U.S. Environmental Protection Agency
ESCs	Embryonic stem cells
ESCO1	Establishment of cohesion 1 homologue 1
EU	European Union
G9a	Euchromatic histone-lysine N-methyltransferase 2
Gadd45	Growth arrest and DNA damage-inducible 45
GATA3	GATA binding protein 3
GBHs	glyphosate-based herbicides
GLAST	Astrocytic glutamate-aspartate transporter
GLT-1	Glutamate transporter 1
H2AK119Ub	Monoubiquitinated histone H2A at lysine 119
H3K4me2	Dimethylated histone H3 at lysine 4
H3K4me3	Trimethylated histone H3 at lysine 4
H3K9	Lysine 9 of histone H3
H3K9ac	Acetylated histone H3 at lysine 9
H3K9me2	Dimethylated histone H3 at lysine 9
H3K9me3	Trimethylated histone H3 at lysine 9
H3K14	Lysine 14 of histone H3
H3K27	Lysine 27 of histone H3
H3K27me3	Trimethylated histone H3 at lysine 27
H3K36me3	Trimethylated histone H3 at lysine 36
H3R2me2	Dimethylated histone H3 at arginine 2
H3S10ph	Phosphorylated histone H3 at serine 10
H4K5ac	Acetylated histone H4 at lysine 5
H4K20me2	Dimethylated histone H4 at lysine 20
H4K20me3	Trimethylated histone H4 at lysine 20
HATs	Histone acetyltransferases
HCB	Hexachlorobenzene
α-HCH	Alpha-hexachlorocyclohexane
β-HCH	Beta-hexachlorocyclohexane
HDAC2	Histone deacetylase 2
HDAC3	Histone deacetylase 3
HDACs	Histone deacetylases
Hells	Helicase, lymphoid specific
Hg	Mercury
IARC	International Agency for Research on Cancer
KAT2B	Lysine acetyltransferase 2B
KDM3A	Histone H3K9 demethylase lysine-specific demethylase 3A.
KDM5A	Histone H3K4 demethylase lysine-specific demethylase 5A
KDM5B	Histone H3K4 demethylase lysine-specific demethylase 5B
KLF6	Kruppel-like factor 6
LINE-1	Long interspersed nuclear element-1
lncRNA	Long non-coding ribonucleic acid
MBD2	Methyl-CpG binding domain protein 2
Mn	Manganese
mRNA	Messenger ribonucleic acid
miRNA	Micro ribonucleic acid
MPTP	1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine
MPP+	1-Methyl-4-phenylpyridinium
MSH5	MutS homologue 5
MPs	Microplastics
mTOR	Mammalian target of rapamycin
ncRNA	Non-coding ribonucleic acid
NFKB1	Nuclear factor kappa B subunit 1
NO	Nitric oxide
NO2	Nitrogen dioxide
O3	Ozone
Ogdh	Oxoglutarate dehydrogenase
OGG1	8-Oxoguanine deoxyribonucleic acid glycosylase 1
NPs	Nanoplastics
p21	Cyclin-dependent kinase inhibitor 1A
PADs	Peptidylarginine deiminases
PAHs	Polycyclic aromatic hydrocarbons
Pb	Lead
PBDEs	Polybrominated diphenyl ethers
PCBs	Polychlorinated biphenyls
PCDDs	Polychlorinated dibenzo-p-dioxins
PCDFs	Polychlorinated dibenzofurans
Pdpk1	3-Phosphoinositide-dependent protein kinase-1
PFOS	Perfluorooctane sulfonic acid
PFOSF	Perfluorooctane sulfonyl fluoride
PD	Parkinson’s disease
PINK1	PTEN-induced putative kinase 1
PM	Particulate matter
POPs	persistent organic pollutants
PRMT6	Protein arginine methyltransferase 6
PTEN	Phosphatase and tensin homologue
PVC	polyvinyl chloride
R	Arginine
Rankl	Receptor activator of nuclear factor κB ligand
RC-LINE-1	Retrotransposition-competent long interspersed nuclear element-1
RNA	Ribonucleic acid
ROS	Reactive oxygen species
Rptor	Regulatory associated protein of mTOR complex 1
SAM	S-adenosyl methionine
Sat2	satellite 2 DNA
SETD8	SET domain containing 8 or lysine methyltransferase 5A
Sirt1	Sirtuin 1
SLE	Systemic lupus erythematosus
SO2	Sulphur dioxide
Spop	Speckle-type POZ protein
STK32A	Serine/threonine kinase 32A
SUMO	Small ubiquitin-like modifier
Tbc1d5	TBC1 domain family member 5
TCDD	2,3,7,8-tetrachlorodibenzo-p-dioxin
TERT	Telomerase reverse transcriptase
TET	Ten-eleven translocation enzymes
TP53INP1	Tumour protein p53 inducible nuclear protein 1
Trap	Tartrate-resistant acid phosphatase
tRNA	Transfer RNA
TSA	Trichostatin A
USA	United States of America
VTI1A	Vesicle transport through interaction with T-SNAREs homologue 1A
WHO	World Health Organization
XIAP	X-linked inhibitor of apoptosis protein