AD	Alzheimer’s disease
ADV DMEM	advanced Dulbecco’s Modified Eagle’s Medium
ADV DMEM-F12	advanced Dulbecco’s Modified Eagle’s Medium/Nutrient F-12 Ham
APOE	apolipoprotein E
APP	β-amyloid analysis
BBB	blood-brain barrier
BDNF	brain-derived neurotrophic factor
CFU	colony-forming unit
CNS	central nervous system
EMA	European Medicines Agency
ERK	extracellular signal-regulated kinase
FBS	fetal bovine serum
FDA	Food and Drug Administration
GABA	gamma-aminobutyric acid
HRP	horseradish peroxidase
iNOS	inducible nitric oxide synthase
MAPK	mitogen-activated protein kinase
MCI	mild cognitive impairment
MTT	3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide
PNS	peripheral nervous system
SCFAs	short chain fatty acid
TEER	transepithelial electrical resistance
TMB	3,3′,5,5′-tetramethylbenzidine
TNFα	tumor necrosis factor α