5-HT	5-hydroxytryptamine (serotonin)
5-OH-TRP	5-hydroxy-l-tryptophan
AANAT	aralkylamine N-acetyltransferase
ASMT	acetylserotonin O-methyltransferase
BH4	tetrahydrobiopterin
DDC	dopa decarboxylase
GAPDH	glyceraldehyde-3-phosphate dehydrogenase
GD	gestational day
HAAO	3-hydroxyanthranilate 3,4-dioxygenase
IDO	indoleamine 2,3-dioxygenase
KMO	kynurenine 3-monooxygenase
KYAT1	kynurenine aminotransferase 1
KYN	kynurenine
KYNA	kynurenic acid
KYNU	kynureninase
LAT	L-amino acid transporter
MAO	monoamine oxidase
NMDA	N-methyl-D-aspartate
OCT3	organic cation transporter 3
PTS	6-pyruvoyltetrahydropterin synthase
QPRT	quinolinate phosphoribosyltransferase
QUIN	quinolinic acid
SERT	serotonin transporter
SPR	sepiapterin reductase
TDO	tryptophan 2,3-dioxygenase
TPH	tryptophan hydroxylase
TRP	tryptophan
YWHAZ	tyrosine 3-monooxygenase/tryptophan 5-monooxygenase activation protein, zeta