TABLE 4

IC50 values for uptake and efflux transporter inhibition with phosphodiester or phosphorothioate oligonucleotides

TransporterSubstrateIC50
PD-GPPT-GPPD-AcPT-Ac
μM
OATP1B1Estradiol 17-β-glucuronide>10090>100>100
OATP1B3Estradiol 17-β-glucuronide>10014>10092
OAT1p-Aminohippuric acid46125216
OAT3Estrone 3-sulfate>1002669>100
OCT1Tetraethylammonium bromide>100>100>100>100
OCT2Metformin17142729
P-gpDigoxin>100>100>100>100
BCRPPrazosin>100>100>100>100