ABC	ATP-binding cassette transporter
ADMA	asymmetric dimethylarginine
BCRP	breast cancer resistance protein
CrCl	creatinine clearance
CKD	chronic kidney disease
CMPF	3-carboxy-4-methyl-5-propyl-2-furanopropanoic acid
CRF	chronic renal failure
DDI	drug–drug interaction
ENT1/SLC29A1	equilibrative nucleoside transporter 1
ENT2/SLC29A2	equilibrative nucleoside transporter 2
FDA	US Food and Drug Administration
GFR	glomerular filtration rate
GLUT9/SLC2A9	facilitative glucose transporter 9
GSA	guanidine succinate
GSH	glutathione
HNF1α/HNF1A	hepatocyte nuclear factor 1α
HNF4α/HNF4A	hepatocyte nuclear factor 4α
MATE1/SLC47A1	multidrug and toxin extrusion protein 1
MATE2/SLC47A2	multidrug and toxin extrusion protein 2
MATE2-K/SLC47A2	multidrug and toxin extrusion protein 2 kidney-specific
MRP1/ABCC1	multidrug resistance-associated protein 2
MRP2/ABCC2	multidrug resistance-associated protein 2
MRP3/ABCC3	multidrug resistance-associated protein 3
MRP4/ABCC4	multidrug resistance-associated protein 4
MRP5/ABCC5	multidrug resistance-associated protein 5
MRP6/ABCC6	multidrug resistance-associated protein 6
MTX	methotrexate
NSAIDs	non-steroidal anti-inflammatory drugs
OAT1/SLC22A6	organic anion transporter 1
OAT2/SLC22A7	organic anion transporter 2
OAT3/SLC22A8	organic anion transporter 3
OAT4/SLC22A11	organic anion transporter 4
OATP1A2/SLCO1A2	kidney organic anion transporting polypeptide 1A2
OATP2B1/SLCO2B1	kidney organic anion transporting polypeptide 2B1
OATP4C1/SLCO4C1	kidney organic anion transporting polypeptide 4C1
OCT1/SLC22A1	organic cation transporter 1
OCT2/SLC22A2	organic cation transporter 2
OCT3/SLC22A3	organic cation transporter 3
OCTN1/SLC22A4	organic cation/carnitine transporter 1
OCTN2/SLC22A5	organic cation/carnitine transporter 2
OSTα/SLC51A	organic solute transporter α
OSTβ/SLC51B	organic solute transporter β
PAH	p-aminohippurate
PAN	puromycin aminonucleoside
PEPT1/SLC15A1	peptide transporter 1
PEPT2/SLC15A2	peptide transporter 2
P-gp. MDR1/ABCB1	glycoprotein, multidrug resistance protein 1
PMAT/SLC29A4	plasma membrane amino-acid transporter
SGLT2/SLC5A2	sodium-glucose co-transporter 2
SLC	solute carrier
SLCO4A1/OATP4A1	kidney organic anion transporting polypeptide 4A1
URAT1/SLC22A12	urate transporter 1
XO	xanthine oxidase