5-FU	5-Fluorouracil
ABX	Antibiotics
AD	Anxiety/depression
BDNF	Brain-derived neurotrophic factor
CEE	Chronic ethanol exposure
CRS	Chronic restraint stress
CUMS	Chronic unpredictable mild stress
CUS	Chronic unpredictable stress
F. rodentium	Faecalibaculum rodentium
FMT	Fecal microbiota transplantation
fRG	Fermented red ginseng
GABA	Gamma-aminobutyric acid
GPS	Ginkgo biloba leaves
HPA	Hypothalamic-pituitary-adrenal
IBS	Irritable bowel syndrome
KO	Knockout
LPS	Lipopolysaccharide
MDD	Major depressive disorder
METH	Methamphetamine
MGB	Microbial-gut-brain
NAOs	Novel agar-oligosaccharides
OP	Polysaccharide
PSP	Polysaccharide peptide
PFC	Prefrontal cortex
RG	Red ginseng
RA	Rheumatoid arthritis
Sig-1R	Sigma-1 receptor
XCHT	Xiao-Chai-Hu-Tang
ZZCD	Zhi Zi Chi decoction