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Uehara S, Yasuda M, Higuchi Y, Yoneda N, Kawai K, Suzuki M, Yamazaki H, Suemizu H. SGX523 causes renal toxicity through aldehyde oxidase-mediated less-soluble metabolite formation in chimeric mice with humanized livers. Toxicol Lett 2023; 388:48-55. [PMID: 37806366 DOI: 10.1016/j.toxlet.2023.10.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 09/28/2023] [Accepted: 10/04/2023] [Indexed: 10/10/2023]
Abstract
SGX523 is a c-Met tyrosine kinase inhibitor that failed in clinical trials because of renal toxicity caused by crystal deposits in renal tubules. SGX523 is metabolized by aldehyde oxidase (AOX) in a species-dependent manner to the considerably less soluble 2-quinolinone-SGX523, which is likely involved in the clinically observed obstructive nephropathy. This study investigated the metabolism and renal toxicity of SGX523 in chimeric mice with humanized livers (humanized-liver mice). The 2-quinolinone-SGX523 formation activity was higher in humanized-liver mouse and human hepatocytes than in mouse hepatocytes. Additionally, this activity in the liver cytosolic fraction from humanized-liver mice was inhibited by the AOX inhibitors raloxifene and hydralazine. After oral SGX523 administration, higher maximum concentrations, larger areas under the plasma concentration versus time curves, and higher urinary concentrations of 2-quinolinone-SGX523 were observed in humanized-liver mice than in non-humanized mice. Serum creatinine and blood urea nitrogen levels were elevated in humanized-liver mice following repeated oral SGX523 administration. The accumulation of amorphous material in the tubules and infiltration of inflammatory cells around tubules were observed in the kidneys of humanized-liver mice after repeated oral SGX523 administration. These findings demonstrate that humanized-liver mice are useful for understanding the metabolism and toxicity of SGX523.
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Affiliation(s)
- Shotaro Uehara
- Liver Engineering Laboratory, Department of Applied Research for Laboratory Animals, Central Institute for Experimental Animals, Kawasaki 210-0821, Japan.
| | - Masahiko Yasuda
- Pathology Center, Central Institute for Experimental Animals, Kawasaki 210-0821, Japan
| | - Yuichiro Higuchi
- Liver Engineering Laboratory, Department of Applied Research for Laboratory Animals, Central Institute for Experimental Animals, Kawasaki 210-0821, Japan
| | - Nao Yoneda
- Liver Engineering Laboratory, Department of Applied Research for Laboratory Animals, Central Institute for Experimental Animals, Kawasaki 210-0821, Japan
| | - Kenji Kawai
- Pathology Center, Central Institute for Experimental Animals, Kawasaki 210-0821, Japan
| | - Masami Suzuki
- Translational Research Division, Central Institute for Experimental Animals, Kawasaki 210-0821, Japan
| | - Hiroshi Yamazaki
- Laboratory of Drug Metabolism and Pharmacokinetics, Showa Pharmaceutical University, Machida 194-8543, Japan
| | - Hiroshi Suemizu
- Liver Engineering Laboratory, Department of Applied Research for Laboratory Animals, Central Institute for Experimental Animals, Kawasaki 210-0821, Japan
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Uno Y, Uehara S, Yamazaki H. Drug-oxidizing and conjugating non-cytochrome P450 (non-P450) enzymes in cynomolgus monkeys and common marmosets as preclinical models for humans. Biochem Pharmacol 2021; 197:114887. [PMID: 34968483 DOI: 10.1016/j.bcp.2021.114887] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Revised: 12/06/2021] [Accepted: 12/06/2021] [Indexed: 02/06/2023]
Abstract
Many drug oxidations and conjugations are mediated by a variety of cytochromes P450 (P450) and non-P450 enzymes in humans and non-human primates. These non-P450 enzymes include aldehyde oxidases (AOX), carboxylesterases (CES), flavin-containing monooxygenases (FMO), glutathione S-transferases (GST), arylamine N-acetyltransferases (NAT),sulfotransferases (SULT), and uridine 5'-diphospho-glucuronosyltransferases (UGT) and their substrates include both endobiotics and xenobiotics. Cynomolgus macaques (Macaca fascicularis, an Old-World monkey) are widely used in preclinical studies because of their genetic and physiological similarities to humans. However, many reports have indicated the usefulness of common marmosets (Callithrix jacchus, a New World monkey) as an alternative non-human primate model. Although knowledge of the drug-metabolizing properties of non-P450 enzymes in non-human primates is relatively limited, new research has started to provide an insight into the molecular characteristics of these enzymes in cynomolgus macaques and common marmosets. This mini-review provides collective information on the isoforms of non-P450 enzymes AOX, CES, FMO, GST, NAT, SULT, and UGT and their enzymatic profiles in cynomolgus macaques and common marmosets. In general, these non-P450 cynomolgus macaque and marmoset enzymes have high sequence identities and similar substrate recognitions to their human counterparts. However, these enzymes also exhibit some limited differences in function between species, just as P450 enzymes do, possibly due to small structural differences in amino acid residues. The findings summarized here provide a foundation for understanding the molecular mechanisms of polymorphic non-P450 enzymes and should contribute to the successful application of non-human primates as model animals for humans.
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Affiliation(s)
- Yasuhiro Uno
- Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima-city, Kagoshima 890-8580, Japan
| | - Shotaro Uehara
- Showa Pharmaceutical University, Machida, Tokyo 194-8543, Japan
| | - Hiroshi Yamazaki
- Showa Pharmaceutical University, Machida, Tokyo 194-8543, Japan.
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Uehara S, Yoneda N, Higuchi Y, Yamazaki H, Suemizu H. Oxidative metabolism and pharmacokinetics of the EGFR inhibitor BIBX1382 in chimeric NOG-TKm30 mice transplanted with human hepatocytes. Drug Metab Pharmacokinet 2021; 41:100419. [PMID: 34624627 DOI: 10.1016/j.dmpk.2021.100419] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 08/16/2021] [Accepted: 08/17/2021] [Indexed: 12/27/2022]
Abstract
The epidermal growth factor receptor inhibitor BIBX1382 has failed in drug development because of poor oral exposure and low bioavailability associated with its extensive metabolism by aldehyde oxidase (AOX) in humans. In this study, we investigated the metabolic profiles and pharmacokinetics of BIBX1382 in chimeric NOG-TKm30 mice with humanized liver (humanized liver mice). After intravenous and oral BIBX1382 administration, increased plasma clearance and decreased oral exposure together with high production of the predominant oxidative metabolite (M1, BIBU1476) and secondary oxidized metabolite (M2) were observed in humanized liver mice. Extensive oxidation rates of BIBX1382 were observed in hepatocytes from humanized liver mice and were suppressed by the typical human AOX1 inhibitors raloxifene and hydralazine. Liver cytosolic fractions from humans, humanized liver mice, cynomolgus monkeys, minipigs, and guinea pigs, but not fractions from dogs, rabbits, rats, and mice, displayed high BIBX1382 clearance and resulted in oxidative metabolite production. These results indicate that humanized liver mice have human-type AOX activity based on the transplanted human liver AOX1 function. Humanized liver mice can be considered an important animal model for understanding the metabolism and pharmacokinetics of AOX drug substrates.
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Affiliation(s)
- Shotaro Uehara
- Central Institute for Experimental Animals, Kawasaki, Japan.
| | - Nao Yoneda
- Central Institute for Experimental Animals, Kawasaki, Japan
| | | | - Hiroshi Yamazaki
- Laboratory of Drug Metabolism and Pharmacokinetics, Showa Pharmaceutical University, Machida, Japan
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Uno Y, Uehara S, Murayama N, Yamazaki H. Genetic variants of aldehyde oxidase (AOX) 1 in cynomolgus and rhesus macaques. Xenobiotica 2021; 51:494-499. [PMID: 33434089 DOI: 10.1080/00498254.2021.1874564] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
The cynomolgus macaque is a non-human primate species widely used in drug metabolism studies. Despite the importance of genetic polymorphisms in cytosolic aldehyde oxidase (AOX) 1 in humans, genetic variants have not been investigated in cynomolgus or rhesus macaques.Genetic variants in AOX1 were identified and allele frequencies were assessed using the genomes of 24 cynomolgus and 8 rhesus macaques. The analysis identified 38 non-synonymous variants, some of which were unique to cynomolgus macaques (bred in Cambodia, Indochina, or Indonesia) or rhesus macaques, whereas many variants were shared by the two lineages.Among the variants observed at relatively high frequencies, eight were selected for functional analysis. Recombinant P605L and V1338I AOX1 variants showed substantially lower phthalazine and carbazeran oxidation activities than the wild-type AOX1 protein.In liver cytosolic fractions from cynomolgus and rhesus macaques genotyped for P605L and V1338I AOX1, groups of cytosolic fractions with P605L and/or V1338I AOX1 variants showed significantly lower phthalazine and carbazeran oxidation activities than the wild type.These results indicate that AOX1 is polymorphic in cynomolgus and rhesus macaques, just as it is in humans. Further investigation is needed to reveal the functional significance of these AOX1 variants in drug metabolism.
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Affiliation(s)
- Yasuhiro Uno
- Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima-city, Japan.,Shin Nippon Biomedical Laboratories, Ltd, Kainan, Japan
| | - Shotaro Uehara
- Laboratory of Drug Metabolism and Pharmacokinetics, Showa Pharmaceutical University, Machida, Japan
| | - Norie Murayama
- Laboratory of Drug Metabolism and Pharmacokinetics, Showa Pharmaceutical University, Machida, Japan
| | - Hiroshi Yamazaki
- Laboratory of Drug Metabolism and Pharmacokinetics, Showa Pharmaceutical University, Machida, Japan
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Uno Y, Uehara S, Murayama N, Shimizu M, Yamazaki H. Expression of functional sulfotransferases (SULT) 1A1, 1A3, 1B1, 1C2, 1E1, and 2A1 in common marmosets. Biochem Pharmacol 2020; 180:114189. [PMID: 32768400 DOI: 10.1016/j.bcp.2020.114189] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2020] [Revised: 08/01/2020] [Accepted: 08/03/2020] [Indexed: 11/30/2022]
Abstract
Cytosolic sulfotransferases (SULTs), which mediate the conjugation of drugs with 3'-phosphoadenosine-5'-phosphosulfate, have been characterized in humans and cynomolgus monkeys. However, SULTs remain to be evaluated in common marmosets, a species of non-human primate often employed in drug metabolism and pharmacokinetic studies of endogenous and exogenous compounds. In this study, marmoset SULT1A1, 1A3, 1B1, 1C2, 1E1, and 2A1 cDNAs were isolated and characterized, based on genome data. The deduced amino acid sequences of these marmoset SULT cDNAs had high identities (90-95%) with their human orthologs, except for marmoset SULT2A1, which was only 81% identical to human SULT2A1. The amino acid sequences of the orthologs of these six SULTs in marmosets, monkeys, and humans were closely clustered in a phylogenetic tree. The structures and genomic organizations of marmoset SULT genes were similar to those of their human orthologs. Among the five marmoset tissues analyzed, SULT mRNAs showed typical expression patterns. The most abundant SULT mRNAs were SULT1B1 in liver, small intestine, and kidney; SULT1E1 in lung; and SULT1A3 in brain. Recombinant marmoset SULT1A1, 1A3, 1B1, 1C2, 1E1, and 2A1 proteins expressed in bacterial cytosolic fractions mediated sulfate conjugations with 3'-phosphoadenosine-5'-phosphosulfate of the following typical human SULT substrates: dopamine, 1-naphthol, p-nitrophenol, estradiol, and dehydroepiandrosterone. Taken together, these wide-ranging results suggest functional and molecular similarities of SULTs among marmosets, monkeys, and humans.
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Affiliation(s)
- Yasuhiro Uno
- Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima City, Kagoshima 890 8580, Japan; Shin Nippon Biomedical Laboratories, Ltd, Kainan, Wakayama 642 0017, Japan.
| | - Shotaro Uehara
- Laboratory of Drug Metabolism and Pharmacokinetics, Showa Pharmaceutical University, Machida, Tokyo 194 8543, Japan
| | - Norie Murayama
- Laboratory of Drug Metabolism and Pharmacokinetics, Showa Pharmaceutical University, Machida, Tokyo 194 8543, Japan
| | - Makiko Shimizu
- Laboratory of Drug Metabolism and Pharmacokinetics, Showa Pharmaceutical University, Machida, Tokyo 194 8543, Japan
| | - Hiroshi Yamazaki
- Laboratory of Drug Metabolism and Pharmacokinetics, Showa Pharmaceutical University, Machida, Tokyo 194 8543, Japan.
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Uno Y, Yamazaki H. mRNA levels of drug-metabolizing enzymes in 11 brain regions of cynomolgus macaques. Drug Metab Pharmacokinet 2019; 35:248-252. [PMID: 31964621 DOI: 10.1016/j.dmpk.2019.12.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2019] [Revised: 12/08/2019] [Accepted: 12/17/2019] [Indexed: 10/25/2022]
Abstract
The cynomolgus macaque is an important nonhuman primate species in drug metabolism studies, in part because of its evolutionary closeness to humans. Cytochromes P450 (P450s) have been investigated in the major drug-metabolizing organs, i.e., the liver and small intestine, but have not been fully investigated in the brain. However, recent investigations have indicated possible important roles for P450s in the brain. In this study, by using the quantitative polymerase chain reaction, we measured the mRNA levels of 38 cynomolgus drug-metabolizing enzymes, including 19 P450s, 10 UDP-glycosyltransferases, and 9 other enzymes, in 11 brain regions. Among these drug-metabolizing enzymes, expression of 32 enzyme mRNAs were detected in one or more brain regions, indicating their possible roles in the brain. Further investigation of metabolic activities would facilitate better understanding of the importance of these enzymes in the brain.
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Affiliation(s)
- Yasuhiro Uno
- Pharmacokinetics and Bioanalysis Center, Shin Nippon Biomedical Laboratories, Ltd., Kainan, Japan; Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima-city, Japan.
| | - Hiroshi Yamazaki
- Laboratory of Drug Metabolism and Pharmacokinetics, Showa Pharmaceutical University, Machida, Japan.
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Dalvie D, Di L. Aldehyde oxidase and its role as a drug metabolizing enzyme. Pharmacol Ther 2019; 201:137-180. [PMID: 31128989 DOI: 10.1016/j.pharmthera.2019.05.011] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Accepted: 03/27/2019] [Indexed: 11/29/2022]
Abstract
Aldehyde oxidase (AO) is a cytosolic enzyme that belongs to the family of structurally related molybdoflavoproteins like xanthine oxidase (XO). The enzyme is characterized by broad substrate specificity and marked species differences. It catalyzes the oxidation of aromatic and aliphatic aldehydes and various heteroaromatic rings as well as reduction of several functional groups. The references to AO and its role in metabolism date back to the 1950s, but the importance of this enzyme in the metabolism of drugs has emerged in the past fifteen years. Several reviews on the role of AO in drug metabolism have been published in the past decade indicative of the growing interest in the enzyme and its influence in drug metabolism. Here, we present a comprehensive monograph of AO as a drug metabolizing enzyme with emphasis on marketed drugs as well as other xenobiotics, as substrates and inhibitors. Although the number of drugs that are primarily metabolized by AO are few, the impact of AO on drug development has been extensive. We also discuss the effect of AO on the systemic exposure and clearance these clinical candidates. The review provides a comprehensive analysis of drug discovery compounds involving AO with the focus on developmental candidates that were reported in the past five years with regards to pharmacokinetics and toxicity. While there is only one known report of AO-mediated clinically relevant drug-drug interaction (DDI), a detailed description of inhibitors and inducers of AO known to date has been presented here and the potential risks associated with DDI. The increasing recognition of the importance of AO has led to significant progress in predicting the site of AO-mediated metabolism using computational methods. Additionally, marked species difference in expression of AO makes it is difficult to predict human clearance with high confidence. The progress made towards developing in vivo, in vitro and in silico approaches for predicting AO metabolism and estimating human clearance of compounds that are metabolized by AO have also been discussed.
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Affiliation(s)
- Deepak Dalvie
- Drug Metabolism and Pharmacokinetics, Celgene Corporation, 10300, Campus Point Drive, San Diego, CA 92121, USA.
| | - Li Di
- Pharmacokinetics, Dynamics and Metabolism, Pfizer Worldwide Research and Development, Groton, CT 06340, UK
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Uehara S, Oshio T, Nakanishi K, Tomioka E, Suzuki M, Inoue T, Uno Y, Sasaki E, Yamazaki H. Survey of Drug Oxidation Activities in Hepatic and Intestinal Microsomes of Individual Common Marmosets, a New Nonhuman Primate Animal Model. Curr Drug Metab 2019; 20:103-113. [PMID: 30280664 PMCID: PMC6635653 DOI: 10.2174/1389200219666181003143312] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2018] [Revised: 09/07/2018] [Accepted: 09/13/2018] [Indexed: 11/22/2022]
Abstract
BACKGROUND Common marmosets (Callithrix jacchus) are potentially useful nonhuman primate models for preclinical studies. Information for major drug-metabolizing cytochrome P450 (P450) enzymes is now available that supports the use of this primate species as an animal model for drug development. Here, we collect and provide an overview of information on the activities of common marmoset hepatic and intestinal microsomes with respect to 28 typical human P450 probe oxidations. RESULTS Marmoset P450 2D6/8-dependent R-metoprolol O-demethylation activities in hepatic microsomes were significantly correlated with those of midazolam 1'- and 4-hydroxylations, testosterone 6β-hydroxylation, and progesterone 6β-hydroxylation, which are probe reactions for marmoset P450 3A4/5/90. In marmosets, the oxidation activities of hepatic microsomes and intestinal microsomes were roughly comparable for midazolam and terfenadine. Overall, multiple forms of marmoset P450 enzymes in livers and intestines had generally similar substrate recognition functionalities to those of human and/or cynomolgus monkey P450 enzymes. CONCLUSION The marmoset could be a model animal for humans with respect to the first-pass extraction of terfenadine and related substrates. These findings provide a foundation for understanding individual pharmacokinetic and toxicological results in nonhuman primates as preclinical models and will help to further support understanding of the molecular mechanisms of human P450 function.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Hiroshi Yamazaki
- Address correspondence to this author at the Showa Pharmaceutical University, 3-3165 Higashi-Tamagawa Gakuen, Machida, Tokyo 194-8543, Japan; Tel/Fax: +81-42-721-1406; E-mail:
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