α7 nAChR	α-7 nicotinic acetylcholine receptor
AhR	aryl hydrocarbon receptor
AML	acute myeloid leukemia
AMPA	α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid
ESCC	esophageal squamous cell carcinoma
ER	estrogen receptor
ERK	extracellular signal-regulated kinase
HCAR	hydroxycarboxylic acid receptor
GPCR	G-protein-coupled receptor
IDO	indoleamine 2,3-dioxygenase
KYNA	kynurenic acid
NAD	nicotinamide adenine dinucleotide
NMDA	N-methyl-d-aspartate receptor
3-OH	3-hydroxyoctanoic acid
PR	progesterone receptor
TCGA	The Cancer Genome Atlas
TDO	tryptophan 2,3-dioxygenase