| Preface | 6 |
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| Reference | 7 |
| Contents | 8 |
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| Contributors | 10 |
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| Uptake Transporters of the Human OATP Family | 12 |
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| 1 Introduction | 13 |
| 2 The Human OATP Family | 14 |
| 2.1 Molecular Characteristics of Human OATP Family Members | 14 |
| 2.2 Substrate Spectrum of Human OATP Family Members | 19 |
| 2.3 Hepatic OATPs and Drug Drug Interactions | 22 |
| 2.4 Functional Consequences of Genetic Variations in Transporter Genes | 26 |
| 2.4.1 Pharmacogenomics of OATP1B1 | 26 |
| 2.4.2 Pharmacogenomics of Other Human OATP Family Members | 30 |
| 3 Conclusions | 32 |
| References | 33 |
| In Vitro and In Vivo Evidence of the Importance of Organic Anion Transporters (OATs) in Drug Therapy | 40 |
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| 1 Organic Anion Transporters Within the SLC22A Gene Family | 42 |
| 2 Organic Anion Transporter 1 (OAT1/Oat1 | Gene name SLC22A6/Slc22a6)43 |
| 2.1 Cloning, Structure | 43 |
| 2.2 Tissue Distribution of mRNA | 45 |
| 2.3 Immunolocalization of OAT1/Oat1 Protein | 47 |
| 2.4 Species Differences, Age and Gender Dependence of Expression | 47 |
| 2.5 Factors Influencing Activity and Abundance of OAT1/Oat1 | 48 |
| 2.6 Substrates | 50 |
| 2.6.1 Endogenous Substrates of OAT1/Oat1 | 51 |
| 2.6.2 Drugs | 53 |
| 2.7 Inhibitors | 60 |
| 2.8 Drug/Drug Interactions | 61 |
| 2.9 Pharmacogenomics | 62 |
| 3 Organic Anion Transporter 2 (OAT2/Oat2, Gene Name SLC22A7/Slc22a7) | 63 |
| 3.1 Cloning, Structure | 63 |
| 3.2 Tissue Distribution of mRNA | 63 |
| 3.3 Immunolocalization of OAT2/Oat2 Protein | 64 |
| 3.4 Species Differences, Age and Gender Dependence of Expression | 64 |
| 3.5 Factors Influencing Activity and Abundance of OAT2/Oat2 | 65 |
| 3.6 Substrates | 65 |
| 3.6.1 Endogenous Substrates | 66 |
| 3.6.2 Drugs | 66 |
| 3.7 Inhibitors | 69 |
| 3.8 Drug/Drug Interactions | 69 |
| 3.9 Pharmacogenomics | 69 |
| 4 Organic Anion Transporter 3 (OAT3/Oat3, Gene Name SLC22A8/Slc22a8) | 69 |
| 4.1 Cloning, Structure | 69 |
| 4.2 Tissue Distribution of mRNA | 70 |
| 4.3 Immunolocalization of OAT3/Oat3 Protein | 70 |
| 4.4 Species Differences, Age and Gender Dependence of Expression | 71 |
| 4.5 Factors Influencing Activity and Abundance of OAT3/Oat3 | 71 |
| 4.6 Substrates | 72 |
| 4.6.1 Endogenous Substrates | 73 |
| 4.6.2 Drugs | 75 |
| 4.7 Inhibitors | 80 |
| 4.8 Drug/Drug Interactions | 80 |
| 4.9 Pharmacogenomics | 82 |
| 5 Organic Anion Transporter 4 (OAT4, Gene Name SLC22A11) | 82 |
| 5.1 Cloning, Structure | 82 |
| 5.2 Tissue Distribution of mRNA | 83 |
| 5.3 Immunolocalization of OAT4 Protein | 83 |
| 5.4 Species Differences, Age and Gender Dependence of Expression | 84 |
| 5.5 Factors Influencing Activity and Abundance of OAT4 | 84 |
| 5.6 Substrates | 84 |
| 5.6.1 Endogeneous Substrates | 84 |
| 5.6.2 Drugs | 85 |
| 5.7 Inhibitors | 89 |
| 5.8 Drug/Drug Interactions | 89 |
| 5.9 Pharmacogenomics | 89 |
| 6 Urate Transporter 1 (URAT1 | Urat1/Rst, Gene Name SLC22A12/Slc22a12)89 |
| 6.1 Cloning, Structure | 89 |
| 6.2 Tissue Distribution of mRNA | 90 |
| 6.3 Immunolocalization of URAT1/Urat1/Rst Protein | 90 |
| 6.4 Species Differences, Age and Gender Dependence of Expression | 91 |
| 6.5 Factors Influencing Activity and Abundance of URAT1/Urat1/Rst | 91 |
| 6.6 Substrates | 91 |
| 6.6.1 Endogenous Substrates | 92 |
| 6.6.2 Drugs | 92 |
| 6.7 Inhibitors | 93 |
| 6.8 Drug/Drug Interactions | 93 |
| 6.9 Pharmacogenomics | 94 |
| 7 Organic Anion Transporter 10 (OAT10/ORCTL3, Gene Name SLC22A13) | 94 |
| 7.1 Cloning, Structure | 94 |
| 7.2 Tissue Distribution of mRNA | 94 |
| 7.3 Immunolocalization of OAT10 Protein, Gender Differences | 95 |
| 7.4 Substrates | 95 |
| 7.4.1 Endogenous Substrates (Bahn et al. 2008) | 95 |
| 7.4.2 Drugs (Bahn et al. 2008) | 96 |
| 7.5 Inhibitors, Drug/Drug Interactions, Pharmacogenomics | 96 |
| 8 Organic Anion Transporter 5 (Oat5, Gene Name Slc22a19) | 96 |
| 8.1 Cloning, Structure | 96 |
| 8.2 Tissue Distribution of mRNA, Immunolocalization, Gender Differences | 96 |
| 8.3 Substrates | 97 |
| 8.3.1 Endogenous Substrates | 97 |
| 8.3.2 Drugs (Rat Oat5: Anzai et al. 2005 | Mouse Oat5: Youngblood and Sweet 2004)97 |
| 8.4 Inhibitors, Drug/Drug Interactions, Pharmacogenomics | 97 |
| 9 Organic Anion Transporter 6 (Oat6, Gene Name Slc22a20) | 98 |
| 9.1 Cloning, Structure, Tissue Distribution | 98 |
| 9.2 Species Differences, Age and Gender D
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