AD	Alzheimer’s disease
BBB	blood-brain barrier
BDNF	brain-derived neurotrophic factor
CNS	central nervous system
HCAR1	hydroxycarboxylic acid receptor 1
ER	endoplasmic reticulum
FNDC5	fibronectin type III domain-containing 5
LTD	long-term depression
LTP	long-term potentiation
GPCR	G protein coupled receptors
MAPK	mitogen-activated protein kinase
mBDNF	mature brain-derived neurotrophic factor
MCI	mild cognitive impairment
MCT	monocarboxylate transporter
MET	metabolic equivalent of task
NGF	nerve growth factor
NMDA	N-Methyl-d-aspartate
NT-3	neurotrophin-3
NT-4/5	neurotrophin-4/5
PGC1α	peroxisome proliferator-activated receptor γ co-activator α
PI3K	phosphatidylinositol-3-kinase
PLCγ	phospholipase C-γ
SIRT1	silent information regulator 1
SNP	single nucleotide polymorphism
TrkB	tyrosine-kinase receptor B