3-OHKYN	3-hydroxykynurenine
AA	anthranilic acid
AVF	arteriovenous fistula
Bw pre	pre-dialysis body weight
Bw post	post-dialysis body weight
CAD	coronary artery disease
cDNA	complementary DNA
CKD	chronic kidney disease
Corr Cpost	corrected post-dialysis concentration
Cpost	post-dialysis concentration
CVC	central venous catheter
DBP	diastolic blood pressure
DM	diabetes mellitus
dNTP	deoxynucleotide triphosphates
EDTA	ethylenediaminetetraacetic acid
HD	hemodialysis
HDF	hemodiafiltration
HF	heart failure
HPLC	high performance liquid chromatography
HTN	arterial hypertension
Ido	indoleamine-2,3-dioxygenase
IQR	interquartile range
KAT	kynurenine aminotransferase
Kat1	kynurenine aminotransferase 1
Kat2	kynurenine aminotransferase 2
KFRT	kidney failure with kidney replacement therapy
Kmo	kynurenine monooxygenase
KYN	kynurenine
KYNA	kynurenic acid
NAD	nicotinamide adenine dinucleotide
PBS	phosphate-buffered saline
RKF	residual kidney function
RNA	ribonucleic acid
RQ	gene expression value
RR	reduction ratio
rtPCR	reverse transcription polymerase chain reaction
SBP	systolic blood pressure
sTNFR1	soluble tumor necrosis factor receptor 1
TDO	tryptophan 2,3-dioxygenase
Trp	tryptophan
UF	ultrafiltration
UHPLC	ultra-high pressure liquid chromatography
URR	urea reduction ratio
WBC	white blood cell
XA	xanthurenic acid