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Kaci H, Bakos É, Needs PW, Kroon PA, Valentová K, Poór M, Özvegy-Laczka C. The 2-aminoethyl diphenylborinate-based fluorescent method identifies quercetin and luteolin metabolites as substrates of Organic anion transporting polypeptides, OATP1B1 and OATP2B1. Eur J Pharm Sci 2024; 196:106740. [PMID: 38437885 DOI: 10.1016/j.ejps.2024.106740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Revised: 01/28/2024] [Accepted: 03/01/2024] [Indexed: 03/06/2024]
Abstract
Organic anion transporting polypeptides (OATPs), OATP1B1 and OATP2B1 are membrane proteins mediating the cellular uptake of chemically diverse organic compounds. OATP1B1 is exclusively expressed in hepatocytes and plays a key role in hepatic detoxification. The ubiquitously expressed OATP2B1 promotes the intestinal absorption of orally administered drugs. Flavonoids are widely found in foods and beverages, and many of them can inhibit OATP function, resulting in food-drug interactions. In our previous work, we have shown that not only luteolin (LUT) and quercetin (Q), but also some of their metabolites can inhibit OATP1B1 and OATP2B1 activity. However, data about the potential direct transport of these flavonoids by OATPs have been incomplete. Hence, in the current study, we developed a simple, fluorescence-based method for the measurement of intracellular flavonoid levels. The method applies a cell-permeable small molecule (2-aminoethyl diphenylborinate, 2-APB), that, upon forming a complex with flavonoids, results in their fluorescence enhancement. This way the direct uptake of LUT and Q, and also their metabolites' could be investigated both by confocal microscopy and in a fluorescence plate reader in living cells. With this approach we identified quercetin-3'-O-sulfate, luteolin-3'-O-glucuronide, luteolin-7-O-glucuronide and luteolin-3'-O-sulfate as substrates of both OATP1B1 and OATP2B1. Our results highlight that OATP1B1 and OATP2B1 can be key participants in the transmembrane movement of LUT and Q conjugates with otherwise low cell permeability. In addition, the novel method developed in this study can be a good completion to existing fluorescence-based assays to investigate OATP function.
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Affiliation(s)
- Hana Kaci
- Institute of Molecular Life Sciences, RCNS, HUN-REN, H-1117 Budapest, Magyar tudósok krt. 2., Hungary; Doctoral School of Biology, Institute of Biology, ELTE Eötvös Loránd University, 1117 Budapest Pázmány Péter sétány 1/C, Hungary
| | - Éva Bakos
- Institute of Molecular Life Sciences, RCNS, HUN-REN, H-1117 Budapest, Magyar tudósok krt. 2., Hungary
| | - Paul W Needs
- Food, Microbiome & Health Programme, Quadram Institute Bioscience, Norwich Research Park, Norwich, Norfolk NR4 7UQ, UK
| | - Paul A Kroon
- Food, Microbiome & Health Programme, Quadram Institute Bioscience, Norwich Research Park, Norwich, Norfolk NR4 7UQ, UK
| | - Kateřina Valentová
- Institute of Microbiology of the Czech Academy of Sciences, Vídeňská 1083, Prague CZ-142 00, Czech Republic
| | - Miklós Poór
- Molecular Medicine Research Group, János Szentágothai Research Centre, University of Pécs, Ifjúság útja 20, Pécs H-7624, Hungary; Department of Pharmacology, Faculty of Pharmacy, University of Pécs, Rókus u. 2, Pécs H-7624, Hungary; Department of Laboratory Medicine, Medical School, University of Pécs, Ifjúság útja 13, Pécs H-7624, Hungary
| | - Csilla Özvegy-Laczka
- Institute of Molecular Life Sciences, RCNS, HUN-REN, H-1117 Budapest, Magyar tudósok krt. 2., Hungary.
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Hirasawa K, Abe J, Nagahori H, Kitamoto S. Novel approach for verification of a human PBPK modeling strategy using chimeric mice in the health risk assessment of epyrifenacil. Toxicol Appl Pharmacol 2023; 465:116439. [PMID: 36858113 DOI: 10.1016/j.taap.2023.116439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 02/21/2023] [Accepted: 02/23/2023] [Indexed: 03/02/2023]
Abstract
In the human risk assessment by physiologically based pharmacokinetic modeling (PBPK), verification of the modeling strategy and confirmation of the reliability of the output data are important when the clinical data are not available. A new herbicide, epyrifenacil, is metabolized to S-3100-CA in mammals and causes hepatotoxicity in mice. S-3100-CA is transferred to the liver by transporters and eliminated by biliary excretion and metabolism. In the previous human PBPK research, we succeeded in predicting S-3100-CA pharmacokinetics by obtaining human hepatic parameters from chimeric mice with humanized liver after we checked the model's quantitative performance using mouse experimental data. To further enhance the reliability of human PBPK data, verification of the following two points was considered effective: 1) verification of model applicability to pharmacokinetics prediction in multiple animal species, and 2) verification of the parameter acquisition methods. In this study, we applied the same modeling strategy to rats, i.e., we obtained rat hepatic parameters for PBPK from chimeric mice with rat hepatocytes, not from rats. As the simulation results, rat internal dosimetry was precisely reproduced, although it tended to be slightly overestimated by approximately two times. From the results of the sensitivity analysis, this overestimation was mainly due to hepatic parameters from chimeric mice. Therefore, it is suggested that a similar slight prediction error may occur also in human PBPK using chimeric mice, but considering the degree of error, it can be said that our modeling strategy is robust and the predicted human internal dosimetry in the previous research is reliable.
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Affiliation(s)
- Kota Hirasawa
- Environmental Health Science Laboratory, Sumitomo Chemical Co., Ltd., 1-98, 3-Chome, Kasugade-Naka, Konohana-Ku, Osaka 554-8558, Japan.
| | - Jun Abe
- Environmental Health Science Laboratory, Sumitomo Chemical Co., Ltd., 1-98, 3-Chome, Kasugade-Naka, Konohana-Ku, Osaka 554-8558, Japan
| | - Hirohisa Nagahori
- Environmental Health Science Laboratory, Sumitomo Chemical Co., Ltd., 1-98, 3-Chome, Kasugade-Naka, Konohana-Ku, Osaka 554-8558, Japan
| | - Sachiko Kitamoto
- Environmental Health Science Laboratory, Sumitomo Chemical Co., Ltd., 1-98, 3-Chome, Kasugade-Naka, Konohana-Ku, Osaka 554-8558, Japan
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Fukunaga S, Ogata K, Eguchi A, Matsunaga K, Sakurai K, Abe J, Cohen SM, Asano H. Evaluation of the mode of action and human relevance of liver tumors in male mice treated with epyrifenacil. Regul Toxicol Pharmacol 2022; 136:105268. [DOI: 10.1016/j.yrtph.2022.105268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 09/15/2022] [Accepted: 10/01/2022] [Indexed: 11/13/2022]
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Hirasawa K, Abe J, Nagahori H, Kitamoto S. Prediction of the human pharmacokinetics of epyrifenacil and its major metabolite, S-3100-CA, by a physiologically based pharmacokinetic modeling using chimeric mice with humanized liver. Toxicol Appl Pharmacol 2022; 439:115912. [PMID: 35143805 DOI: 10.1016/j.taap.2022.115912] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 01/31/2022] [Accepted: 02/03/2022] [Indexed: 11/18/2022]
Abstract
Human internal dosimetry of pesticides is essential in the risk assessment when toxicity has been confirmed in laboratory animals. While human toxicokinetics data of pesticides are hardly obtained intendedly, the use of physiologically based pharmacokinetic (PBPK) modeling has become important for predicting human internal dosimetry. Especially, when the compound exhibits complicated pharmacokinetics via active uptake, metabolism, and biliary excretion in liver, it is difficult to obtain these hepatic parameters only by the in vitro experiments. Epyrifenacil, a new herbicide, is rapidly metabolized to S-3100-CA (CA) in mammals and causes hepatotoxicity in mice. CA is eliminated from the systemic circulation by biliary excretion and metabolism in liver. Although uptake of CA by transporters is observed in mouse primary hepatocytes, significantly less of it is observed in human primary hepatocytes. In order to evaluate human internal dosimetry of CA, a precise PBPK model was developed. To obtain human hepatic parameters, i.e., hepatic elimination intrinsic clearance via biliary excretion and metabolism, we used chimeric mice with humanized liver as a model to reproduce the complicated pharmacokinetics of CA in humans. After we developed a mouse PBPK model, by replacing mouse parameters with those of humans, we calculated CA concentration in human liver. Comparing the predicted CA exposure in human liver with the measured values in mice, we demonstrated a clear interspecies difference of approximately 4 times lower Cmax and AUC in humans. This result suggested that the risk of hepatotoxicity is less in humans than in mice.
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Affiliation(s)
- Kota Hirasawa
- Environmental Health Science Laboratory, Sumitomo Chemical Co., Ltd., 1-98, 3-Chome, Kasugade-Naka, Konohana-Ku, Osaka 554-8558, Japan.
| | - Jun Abe
- Environmental Health Science Laboratory, Sumitomo Chemical Co., Ltd., 1-98, 3-Chome, Kasugade-Naka, Konohana-Ku, Osaka 554-8558, Japan
| | - Hirohisa Nagahori
- Environmental Health Science Laboratory, Sumitomo Chemical Co., Ltd., 1-98, 3-Chome, Kasugade-Naka, Konohana-Ku, Osaka 554-8558, Japan
| | - Sachiko Kitamoto
- Environmental Health Science Laboratory, Sumitomo Chemical Co., Ltd., 1-98, 3-Chome, Kasugade-Naka, Konohana-Ku, Osaka 554-8558, Japan
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TAN D, CUI J, QIN L, CHEN L, WANG Y, ZHANG Q, HE Y. The role of OATP1A1 in cholestasis and drug-induced toxicity: a systematic review. Food Sci Technol 2022. [DOI: 10.1590/fst.70722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
| | - Jinguo CUI
- Baodi Clinical College of Tianjin Medical University, China
| | - Lin QIN
- Zunyi Medical University, China
| | - Li CHEN
- Zunyi Medical University, China
| | - Yuhe WANG
- Affiliated Hospital of Zunyi Medical University, China
| | | | - Yuqi HE
- Zunyi Medical University, China
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Matsunaga K, Fukunaga S, Abe J, Takeuchi H, Kitamoto S, Tomigahara Y. Comparative hepatotoxicity of a herbicide, epyrifenacil, in humans and rodents by comparing the dynamics and kinetics of its causal metabolite. J Pestic Sci 2021; 46:333-341. [PMID: 34908893 PMCID: PMC8640676 DOI: 10.1584/jpestics.d21-026] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 08/09/2021] [Indexed: 06/13/2023]
Abstract
A new herbicide, epyrifenacil (S-3100), inhibits protoporphyrinogen oxidase (PPO) in plants. Repeated administration of epyrifenacil in laboratory animals led to some toxicological changes related to PPO inhibition, e.g., hepatotoxicity caused by porphyrin accumulation and anemia caused by the inhibition of heme biosynthesis. In vitro studies revealed that an ester-cleaved metabolite, S-3100-CA, is predominant in mammals, exhibits PPO-inhibitory activity, and thus is the cause of epyrifenacil-induced toxicity. To assess the human risk, the effects of species differences on the dynamics (PPO inhibition) and kinetics (liver uptake) of epyrifenacil were evaluated separately. The results of in vitro assays revealed an approximately tenfold weaker inhibition of PPO by S-3100-CA in humans than in rodents and six- to thirteen-fold less hepatic uptake of S-3100-CA in humans than in mice. Finally, it was suggested that humans are less sensitive to the toxicity of epyrifenacil than are rodents, although further mechanistic research is highly anticipated.
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Affiliation(s)
- Kohei Matsunaga
- Environmental Health Science Laboratory, Sumitomo Chemical Co., Ltd., 3-1–98 Kasugade-Naka, Konohana-ku, Osaka 554–8558, Japan
| | - Satoki Fukunaga
- Environmental Health Science Laboratory, Sumitomo Chemical Co., Ltd., 3-1–98 Kasugade-Naka, Konohana-ku, Osaka 554–8558, Japan
| | - Jun Abe
- Environmental Health Science Laboratory, Sumitomo Chemical Co., Ltd., 3-1–98 Kasugade-Naka, Konohana-ku, Osaka 554–8558, Japan
| | - Hayato Takeuchi
- Environmental Health Science Laboratory, Sumitomo Chemical Co., Ltd., 3-1–98 Kasugade-Naka, Konohana-ku, Osaka 554–8558, Japan
| | - Sachiko Kitamoto
- Environmental Health Science Laboratory, Sumitomo Chemical Co., Ltd., 3-1–98 Kasugade-Naka, Konohana-ku, Osaka 554–8558, Japan
| | - Yoshitaka Tomigahara
- Environmental Health Science Laboratory, Sumitomo Chemical Co., Ltd., 3-1–98 Kasugade-Naka, Konohana-ku, Osaka 554–8558, Japan
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Sakurai K, Abe J, Hirasawa K, Takeuchi H, Kitamoto S. Absorption, Distribution, Metabolism, and Excretion of a New Herbicide, Epyrifenacil, in Rats. J Agric Food Chem 2021; 69:13190-13199. [PMID: 34723485 DOI: 10.1021/acs.jafc.1c04167] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
The metabolic fate of a newly developed herbicide, epyrifenacil, (ethyl[(3-{2-chloro-4-fluoro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-3,6-dihydropyrimidin-1(2H)-yl]phenoxy}pyridin-2-yl)oxy]acetate, S-3100), in rats was determined using 14C-labeled epyrifenacil. When it was administered orally to rats at 1 mg/kg, around 73-74% of the dose was absorbed, metabolized, and mainly excreted into feces within 48 h. The elimination of radioactivity in plasma and tissues was rapid, suggesting that exposure of epyrifenacil and metabolites is small. Metabolite analysis revealed that epyrifenacil was rapidly ester-cleaved to M1 and then mainly excreted into bile or further metabolized. No parent was detected in plasma, tissues, and urine. Remarkably, M1 was mainly distributed in the liver (at a concentration of 70-112 times higher than in plasma at a low dose). Furthermore, a significant sex-related difference was observed in urinary excretion of M1. Considering the above observations with those in the literature, the organic anion-transporting polypeptide (OATP) likely plays a role on the active transport of M1 in the liver and kidney.
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Affiliation(s)
- Kengo Sakurai
- Environmental Health Science Laboratory, Sumitomo Chemical Company, Limited, 1-98, Kasugade-naka 3-chome, Konohana-ku, Osaka 554-8558, Japan
| | - Jun Abe
- Environmental Health Science Laboratory, Sumitomo Chemical Company, Limited, 1-98, Kasugade-naka 3-chome, Konohana-ku, Osaka 554-8558, Japan
| | - Kota Hirasawa
- Environmental Health Science Laboratory, Sumitomo Chemical Company, Limited, 1-98, Kasugade-naka 3-chome, Konohana-ku, Osaka 554-8558, Japan
| | - Hayato Takeuchi
- Environmental Health Science Laboratory, Sumitomo Chemical Company, Limited, 1-98, Kasugade-naka 3-chome, Konohana-ku, Osaka 554-8558, Japan
| | - Sachiko Kitamoto
- Environmental Health Science Laboratory, Sumitomo Chemical Company, Limited, 1-98, Kasugade-naka 3-chome, Konohana-ku, Osaka 554-8558, Japan
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