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. Author manuscript; available in PMC: 2012 Apr 13.
Published in final edited form as: Nat Rev Drug Discov. 2010 Mar;9(3):215–236. doi: 10.1038/nrd3028

Table 1.

SLC transporters of emerging clinical importance in the absorption and disposition of drugs

Transporter/
alias (Gene)
Selected substrates Selected
inhibitors
Organs/cells Comments
OATP1B1/O
ATP-C,
OATP2, LST-
1 (SLCO1B1)
Bromosulphophthalein,
oestrone-3-sulphate,
oestradiol-17β-glucuronide,
statins*, repaglinide*,
valsartan, olmesartan*,
bilirubin glucuronide,
bilirubin, bile acids
Saquinavir,
ritonavir*,
lopinavir*,
rifampicin*,
cyclosporine*
Hepatocytes
(sinusoidal)
• Has a role in
  disposition and
  excretion
• Has clinically relevant
  polymorphisms
• Has a role in clinical
  drug–drug interactions
OATP1B3/O
ATP-8
(SLCO1B3)
Bromosulphophthalein,
cholecysto kinin 8, statins*,
digoxin, fexofenadine,
telmisartan glucuronide,
telmisartan*, valsartan,
olmesartan, oestradiol-17-
β-glucuronide, bile acids
Rifampicin*,
cyclosporine*,
ritonavir,
lopinavir*
Hepatocytes
(sinusoidal)
• Has a role in
  disposition and
  excretion
OAT1
(SLC22A6)
Para-aminohippurate,
adefovir, cidofovir,
zidovudine*, lamivudine*,
zalcitabine*, acyclovir*,
tenofovir*, ciprofloxacin*,
methotrexate*
Probenecid*,
novobiocin
Kidney
proximal
tubule,
placenta
• Has a role in
  disposition and
  excretion Has a role in
  clinical drug–drug
  interactions
OAT3
(SLC22A8)
Oestrone-3-sulphate, non-
steroidal anti-inflammatory
drugs, cefaclor, ceftizoxime,
furosemide*, bumetanide*
Probenecid*,
novobiocin
Kidney
proximal
tubule,
choroid
plexus,
blood–brain
barrier
• Has a role in
  disposition and
  excretion
• Has a role in clinical
  drug–drug interactions
OCT2
(SLC22A2)
N-Methylpyridinium,
tetraethylammonium,
metformin*, pindolol,
procainamide, ranitidine
amantadine, amiloride,
oxaliplatin, varenicline*
Cimetidine*,
pilsicainide,
cetirizine*,
testosterone,
quinidine
Kidney
proximal
tubule,
neurons
• Has a role in
  disposition and
  excretion
• Has clinically relevant
  genetic
  polymorphisms
• Has a role in clinical
  drug–drug interactions
OATP1A2/O
ATP-A
(SLCO1A2)
Oestrone-3-sulphate,
dehydroepiandrosterone
sulphate, fexofenadine*,
bile salts, methotrexate,
bromosulphophthalein,
ouabain, digoxin,
levofloxacin, statins*
Naringin,
ritonavir,
lopinavir,
saquinavir,
rifampicin*
Brain
capillaries
endothelia,
cholangiocyte
s, distal
nephron
• Has role in disposition
  and excretion
OATP2B1/O
ATP-B
(SLCO2B1)
Oestrone-3-sulphate,
bromosulphophthalein,
taurocholate, *statins,
fexofenadine, glyburide,
taurocholate
Rifampicin,
cyclosporine*
Hepatocytes
(sinusoidal),
endothelia
• Has a role in
  disposition and
  excretion
• Has a role in clinical
  drug–drug interactions
OCT1
(SLC22A1)
Tetraethylammonium, N-
methylpyridinium,
metformin*, oxaliplatin
Quinine,
quinidine,
disopyramide
Hepatocytes
(sinusoidal),
intestinal
enterocytes
• Has a role in
  disposition and
  excretion
• Has clinically relevant
  genetic
  polymorphisms
• Has a role in clinical
  drug–drug interactions
PEPT1
(SLC15A1)
Glycylsarcosine,
cephalexin, cefadroxil,
bestatin, valacyclovir,
enalapril, aminolevulinic
acid, captopril, dipeptides,
tripeptides
Glycyl-proline Intestinal
enterocytes,
kidney
proximal
tubule
• Has a role in
  absorption, disposition
  and excretion
• Has a role in clinical
  drug–drug interactions
PEPT2
(SLC15A2)
Glycylsarcosine,
cephalexin, cefadroxil,
bestatin, valacyclovir,
enalapril, aminolevulinic
acid, captopril, dipeptides,
tripeptides
Zofenopril,
fosinopril
Kidney
proximal
tubule,
choroid
plexus, lung
• Has a role in excretion
  MATE1
(SLC47A1) Metformin, N-
methylpyridinium,
tetraethylammonium
Quinidine,
cimetidine,
procainamide
Kidney
proximal
tubule, liver
(canalicular
membrane),
skeletal
muscle
• Has a role in
  disposition and
  excretion
• Has a role in clinical
  drug–drug interactions
MATE2-K
(SLC47A2)
Metformin, N-
methylpyridinium,
tetraethylammonium
Cimetidine,
quinidine,
pramipexole
Kidney
proximal
tubule
• Has a role in
  disposition and
  excretion
*

Can potentially be used for in vivo (clinical) studies.