Research Topics
Species | B HagenbuchSummaryAffiliation: University of Kansas Medical Center Country: USA Publications
Research Grants
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Publications
The SLCO (former SLC21) superfamily of transportersBruno Hagenbuch
Department of Pharmacology, Toxicology and Therapeutics, The University of Kansas Medical Center, Kansas City, KS 66160, USA
Mol Aspects Med 34:396-412. 2013....
Drug uptake systems in liver and kidney: a historic perspectiveB Hagenbuch
Department of Pharmacology, Toxicology and Therapeutics, The University of Kansas Medical Center, Kansas City, Kansas, USA
Clin Pharmacol Ther 87:39-47. 2010....
Xenobiotic transporters of the human organic anion transporting polypeptides (OATP) familyB Hagenbuch
The University of Kansas Medical Center, Pharmacology, Toxicology and Therapeutics, Kansas City, KS 66160, USA
Xenobiotica 38:778-801. 2008..4. Finally, some open questions are raised that need to be addressed to advance OATP research in the near future...
Cellular entry of thyroid hormones by organic anion transporting polypeptidesBruno Hagenbuch
Department of Pharmacology, Toxicology and Therapeutics, The University of Kansas Medical Center, Kansas City, KS 66160, USA
Best Pract Res Clin Endocrinol Metab 21:209-21. 2007..OATP4A1 is expressed in the placenta and could be important for maternal thyroid hormone transport to the developing fetus...
Cloning/characterization of the canine organic anion transporting polypeptide 1b4 (Oatp1b4) and classification of the canine OATP/SLCO membersChunshan Gui
Department of Pharmacology, Toxicology and Therapeutics, The University of Kansas Medical Center, Kansas City, Kansas 66160, USA
Comp Biochem Physiol C Toxicol Pharmacol 151:393-9. 2010..In conclusion, the cloned canine Oatp1b4 will provide additional molecular basis to further characterize the species difference of the OATP1B family members...
Role of transmembrane domain 10 for the function of organic anion transporting polypeptide 1B1Chunshan Gui
Department of Pharmacology, Toxicology and Therapeutics, University of Kansas Medical Center, Kansas City, Kansas 66160, USA
Protein Sci 18:2298-306. 2009..In conclusion, our results show that TM10 is critical for the function of OATP1B1...
Identification, Ki determination and CoMFA analysis of nuclear receptor ligands as competitive inhibitors of OATP1B1-mediated estradiol-17beta-glucuronide transportChunshan Gui
Department of Pharmacology, Toxicology and Therapeutics, The University of Kansas Medical Center, 3901 Rainbow Blvd, Kansas City, KS 66160, USA
Pharmacol Res 60:50-6. 2009..The CoMFA results indicate that the substrate binding site of OATP1B1 consists of a large hydrophobic middle part with basic residues at both ends that could be very important for substrate binding...
Isolation of modulators of the liver-specific organic anion-transporting polypeptides (OATPs) 1B1 and 1B3 from Rollinia emarginata Schlecht (Annonaceae)Megan Roth
Department of Pharmacology, Toxicology, and Therapeutics, University of Kansas Medical Center, 3901 Rainbow Blvd, Kansas City, KS 66160, USA
J Pharmacol Exp Ther 339:624-32. 2011..These results demonstrate a mechanism through which the hepatic uptake of drug OATP substrates could be stimulated...
Interactions of green tea catechins with organic anion-transporting polypeptidesMegan Roth
Department of Pharmacology, Toxicology and Therapeutics, The University of Kansas Medical Center, 3901 Rainbow Blvd, Kansas City, KS 66160, USA
Drug Metab Dispos 39:920-6. 2011..In addition, the diverse effects of EGCG on the transport of other OATP1B3 substrates suggest that different transport/binding sites are involved...
Proteasome regulator marizomib (NPI-0052) exhibits prolonged inhibition, attenuated efflux, and greater cytotoxicity than its reversible analogsAmanda Obaidat
Department of Pharmacology, Toxicology, and Therapeutics, University of Kansas Medical Center, 3901 Rainbow Blvd, Kansas City, KS 66160, USA
J Pharmacol Exp Ther 337:479-86. 2011....
Mechanism of polybrominated diphenyl ether uptake into the liver: PBDE congeners are substrates of human hepatic OATP transportersErik Pacyniak
Department of Pharmacology, Toxicology and Therapeutics, University of Kansas Medical Center, Kansas City, Kansas 66160, USA
Toxicol Sci 115:344-53. 2010..81 microM; BDE99: K(m) = 0.87 microM; BDE153: K(m) = 0.65 microM). These results clearly suggest that uptake of PBDEs via these OATPs is a mechanism responsible for liver-specific accumulation of PBDEs...
Roles of rat renal organic anion transporters in transporting perfluorinated carboxylates with different chain lengthsYi M Weaver
Department of Pharmacology, Toxicology, and Therapeutics, The University of Kansas Medical Center, Kansas City, Kansas 66160, USA
Toxicol Sci 113:305-14. 2010..4 (C8), 20.5 (C9), and 28.5microM (C10). These results suggest that Oat1 and Oat3 are involved in renal secretion of C7-C9, while Oatp1a1 can contribute to the reabsorption of C8 through C10, with highest affinities for C9 and C10...
Effect of pregnane X receptor ligands on transport mediated by human OATP1B1 and OATP1B3Chunshan Gui
Department of Pharmacology, Toxicology and Therapeutics, The University of Kansas Medical Center, Kansas City, Kansas, USA
Eur J Pharmacol 584:57-65. 2008..In summary, these results demonstrate that pregnane X receptor ligands, by inhibiting or stimulating OATP-mediated uptake, can lead to drug-drug interactions at the transporter level...
Amino acid residues in transmembrane domain 10 of organic anion transporting polypeptide 1B3 are critical for cholecystokinin octapeptide transportChunshan Gui
Department of Pharmacology, Toxicology and Therapeutics, The University of Kansas Medical Center, Kansas City, Kansas 66160, USA
Biochemistry 47:9090-7. 2008..In conclusion, we have identified three amino acid residues (Y537, S545, and T550) in TM10 of OATP1B3 that are important for CCK-8 transport...
Organic anion transporting polypeptides of the OATP/ SLC21 family: phylogenetic classification as OATP/ SLCO superfamily, new nomenclature and molecular/functional propertiesBruno Hagenbuch
Division of Clinical Pharmacology and Toxicology, Department of Medicine, University Hospital, 8091, Zurich, Switzerland
Pflugers Arch 447:653-65. 2004....
Identification and localization of sodium-phosphate cotransporters in hepatocytes and cholangiocytes of rat liverPascal Frei
Division of Clinical Pharmacology and Toxicology, Dept of Medicine, Univ Hospital Zurich, Ramistrasse 100, CH 8091 Zurich, Switzerland
Am J Physiol Gastrointest Liver Physiol 288:G771-8. 2005..We conclude that NaPi-IIb is most probably involved in the reabsorption of P(i) from primary hepatic bile and thus might play an important role in the regulation of biliary P(i) concentration...
Transport of xenobiotics across the blood-brain barrierBruno Hagenbuch
Division of Clinical Pharmacology and Toxicology, Department of Medicine, University Hospital, CH 8091 Zurich, Switzerland
News Physiol Sci 17:231-4. 2002..Members of the drug transporter families MDR, MRP, and OATP have been identified in the BBB, and a detailed characterization of the involved proteins is now required to target drugs more efficiently to the brain...
The sodium bile salt cotransport family SLC10Bruno Hagenbuch
Division of Clinical Pharmacology and Toxicology, Department of Medicine, University Hospital, 8091, Zurich, Switzerland
Pflugers Arch 447:566-70. 2004..NTCP and ASBT are cotransporters that mediate sodium-dependent, electrogenic uptake of mainly bile salts into hepatocytes (NTCP), biliary epithelial cells, ileal enterocytes and renal proximal tubular cells (ASBT)...
Functional characterization of the mouse organic-anion-transporting polypeptide 2Jessica E van Montfoort
Division of Clinical Pharmacology and Toxicology, Department of Medicine, University Hospital, Ramistr 100, CH 8091 Zurich, Switzerland
Biochim Biophys Acta 1564:183-8. 2002..Northern blot analysis demonstrated a predominant expression in the liver with additional signals in kidney and brain. Using fluorescence in situ hybridization, the Oatp2 gene (gene symbol Slc21a5) was mapped to chromosome 6G1-G3...
Characterization of two splice variants of human organic anion transporting polypeptide 3A1 isolated from human brainRobert D Huber
Univ Hospital, Dept of Internal Medicine, Institute of Clinical Pharmacology and Toxicology, 8091 Zurich, Switzerland
Am J Physiol Cell Physiol 292:C795-806. 2007....
Application of QSAR analysis to organic anion transporting polypeptide 1a5 (Oatp1a5) substratesMine Yarim
Institute of Pharmaceutical Sciences, ETH Zurich, D ANBI, Wintherthurerstrasse 190, CH 8057 Zurich, Switzerland
Bioorg Med Chem 13:463-71. 2005..705 and a no-cross-validated regression coefficient r2 value of 0.949. Based on the derived model we identified new potential Oatp1a5 substrates and confirmed their predicted apparent affinity values experimentally...
Identification of phalloidin uptake systems of rat and human liverFabienne Meier-Abt
Department of Medicine, Division of Clinical Pharmacology and Toxicology, University Hospital, Ramistr. 100, CH-8091, Zurich, Switzerland
Biochim Biophys Acta 1664:64-9. 2004..Therefore, we conclude that rat Oatp1b2 as well as human OATP1B1 and OATP1B3 are responsible for phalloidin uptake into rat and human hepatocytes...
Role of liver-enriched transcription factors and nuclear receptors in regulating the human, mouse, and rat NTCP geneDiana Jung
Division of Gastroenterology and Hepatology, Dept of Internal Medicine, Univ Hospital, CH 8091 Zurich, Switzerland
Am J Physiol Gastrointest Liver Physiol 286:G752-61. 2004..Bile acids may regulate NTCP/Ntcp indirectly by modulating the capacity of nuclear factors to activate gene expression...
Carriers involved in targeting the cytostatic bile acid-cisplatin derivatives cis-diammine-chloro-cholylglycinate-platinum(II) and cis-diammine-bisursodeoxycholate-platinum(II) toward liver cellsOscar Briz
Department of Physiology and Pharmacology, University of Salamanca, Salamanca, Spain
Mol Pharmacol 61:853-60. 2002..These results suggest a role for carriers of organic anions and cations in Bamet-R2 and Bamet-UD2 uptake, which may determine their ability to accumulate in liver tumor cells and/or be taken up and efficiently excreted by hepatocytes...
Research Grants
- Molecular Characterization of Hepatic Organic Anion Transporting PolypeptidesBruno Hagenbuch; Fiscal Year: 2009..Once this knowledge is available, there is the promise that it will be possible to develop safer medication which will result in less hospitalizations. ..
- Molecular Characterization of Hepatic Organic Anion Transporting PolypeptidesBruno Hagenbuch; Fiscal Year: 2009..Once this knowledge is available, there is the promise that it will be possible to develop safer medication which will result in less hospitalizations. ..
- Molecular Characterization of Hepatic Organic Anion Transporting PolypeptidesBruno Hagenbuch; Fiscal Year: 2010..Once this knowledge is available, there is the promise that it will be possible to develop safer medication which will result in less hospitalizations. ..
