Aβ	amyloid-beta
AD	Alzheimer’s disease
APOE	apolipoprotein E gene
ApoE	apolipoprotein E
APP	amyloid precursor protein
BBB	blood–brain barrier
BDNF	brain-derived neurotrophic factor
CDR	clinical dementia rating scale
CNS	central nervous system
CRP	C-reactive protein
CSF	cerebrospinal fluid
DHA	docosahexaenoic acid
DNMT	DNA methyltransferases
GABA	γ-aminobutyric acid
GDNF	glial cell derived neurotrophic factor
GWAS	genome-wide association studies
HDAC	histone deacetylase
IL	interleukin
IQ	intelligence quotient
MCI	mild cognitive impairment
MCP-1	monocyte chemoattractant protein-1
aMCI	amnestic mild cognitive impairment
naMCI	nonamnestic mild cognitive impairment
MoCA	Montreal Cognitive Assessment
mRNA	messenger RNA
miRNA	microRNA
MMSE	Mini-mental State Examination score
MRI	magnetic resonance imaging
NGF	nerve growth factor
NMDAR	N-methyl-D-aspartate receptor
PFC	prefrontal cortex
p75NTR	neurotrophin receptor p75
SNP	single nucleotide polymorphism
sTNFR	soluble tumor necrosis factor receptor
sTREM2	soluble triggering receptor expressed on myeloid cells 2
TNF	tumor necrosis factor
VEGF	vascular endothelial growth factor
VILIP-1	visinin-like protein-1
YKL-40	chitinase-3-like protein 1