[3H]-E1S	[3H]-estrone-sulfate ammonium salt
[3H]-MTX	[3H]-methotrexate
[3H]-NMQ	[3H]-N-methyl quinidine
ACE	angiotensin-converting-enzyme
AUC	area under the curve
ANOVA	analysis of variance
BSA	bovine serum albumin
BCRP	breast cancer resistance protein
CDCF	carboxy-2′,7′-dichlorofluorescein
CES1	carboxylesterase 1
CI	confidence interval
CKD	chronic kidney diseases
Cmax	maximum serum concentration
CMV	cytomegalovirus
DMEM	Dulbecco’s modified Eagle medium
E217βG	estradiol 17β-d-glucuronide
EYFP	enhanced yellow fluorescent protein
FBS	fetal bovine serum
HBSS	Hanks’ balanced salt solution
HEK293	human embryonic kidney 293
HPLC	high-performance liquid chromatography
IC50	half maximal inhibitory concentration
Km	substrate concentration at which half of this speed is obtained
LC-MS/MS	liquid chromatography-tandem mass spectrometry
MATE1	multidrug and toxin extrusion 1
MATE2k	multidrug and toxin extrusion 2k
MRP2	multidrug resistance-associated protein 2
MRP4	multidrug resistance-associated protein 4
OAT	organic anion transporter
OAT1	organic anion transporter 1
OAT3	organic anion transporter 3
OATP	organic anion transporting polypeptides
OCT2	organic cation transporter 2
OCTN1	organic cation/carnitine transporter 1
OCTN2	organic cation/carnitine transporter 2
PEPT1	peptide transporter 1
PEPT2	peptide transporter 2
P-gp	P-glycoprotein
SEM	standard error of the mean
URAT1	urate transporter 1
Vmax	maximum transport velocity