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Lee MS, Lee J, Pang M, Kim J, Cha H, Cheon B, Choi MK, Song IS, Lee HS. In Vitro Metabolism and Transport Characteristics of Zastaprazan. Pharmaceutics 2024; 16:799. [PMID: 38931920 PMCID: PMC11207335 DOI: 10.3390/pharmaceutics16060799] [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: 05/27/2024] [Revised: 06/10/2024] [Accepted: 06/11/2024] [Indexed: 06/28/2024] Open
Abstract
Zastaprazan (JP-1366), a novel potassium-competitive acid blocker, is a new drug for the treatment of erosive esophagitis. JP-1366 is highly metabolized in human, mouse, and dog hepatocytes but moderately metabolized in rat and monkey hepatocytes when estimated from the metabolic stability of this compound in hepatocyte suspension and when 18 phase I metabolites and 5 phase II metabolites [i.e., N-dearylation (M6), hydroxylation (M1, M19, M21), dihydroxylation (M7, M8, M14, M22), trihydroxylation (M13, M18), hydroxylation and reduction (M20), dihydroxylation and reduction (M9, M16), hydrolysis (M23), hydroxylation and glucuronidation (M11, M15), hydroxylation and sulfation (M17), dihydroxylation and sulfation (M10, M12), N-dearylation and hydroxylation (M3, M4), N-dearylation and dihydroxylation (M5), and N-dearylation and trihydroxylation (M2)] were identified from JP-1366 incubation with the hepatocytes from humans, mice, rats, dogs, and monkeys. Based on the cytochrome P450 (CYP) screening test and immune-inhibition analysis with CYP antibodies, CYP3A4 and CYP3A5 played major roles in the metabolism of JP-1366 to M1, M3, M4, M6, M8, M9, M13, M14, M16, M18, M19, M21, and M22. CYP1A2, 2C8, 2C9, 2C19, and 2D6 played minor roles in the metabolism of JP-1366. UDP-glucuronosyltransferase (UGT) 2B7 and UGT2B17 were responsible for the glucuronidation of M1 to M15. However, JP-1366 and active metabolite M1 were not substrates for drug transporters such as organic cation transporter (OCT) 1/2, organic anion transporter (OAT) 1/3, organic anion transporting polypeptide (OATP)1B1/1B3, multidrug and toxic compound extrusion (MATE)1/2K, P-glycoprotein (P-gp), and breast cancer-resistant protein (BCRP). Only M1 showed substrate specificity for P-gp. The findings indicated that drug-metabolizing enzymes, particularly CYP3A4/3A5, may have a significant role in determining the pharmacokinetics of zastaprazan while drug transporters may only have a small impact on the absorption, distribution, and excretion of this compound.
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Affiliation(s)
- Min Seo Lee
- College of Pharmacy and BK21 Four-Sponsored Advanced Program for SmartPharma Leaders, The Catholic University of Korea, Bucheon 14662, Republic of Korea;
| | - Jihoon Lee
- BK21 FOUR Community-Based Intelligent Novel Drug Discovery Education Unit, Vessel-Organ Interaction Research Center (VOICE), Research Institute of Pharmaceutical Sciences, College of Pharmacy, Kyungpook National University, Daegu 41566, Republic of Korea;
| | - Minyoung Pang
- College of Pharmacy, Dankook University, Cheonan 30019, Republic of Korea; (M.P.); (M.-K.C.)
| | - John Kim
- Onconic Therapeutics Inc., Seoul 06236, Republic of Korea; (J.K.); (H.C.); (B.C.)
| | - Hyunju Cha
- Onconic Therapeutics Inc., Seoul 06236, Republic of Korea; (J.K.); (H.C.); (B.C.)
| | - Banyoon Cheon
- Onconic Therapeutics Inc., Seoul 06236, Republic of Korea; (J.K.); (H.C.); (B.C.)
| | - Min-Koo Choi
- College of Pharmacy, Dankook University, Cheonan 30019, Republic of Korea; (M.P.); (M.-K.C.)
| | - Im-Sook Song
- BK21 FOUR Community-Based Intelligent Novel Drug Discovery Education Unit, Vessel-Organ Interaction Research Center (VOICE), Research Institute of Pharmaceutical Sciences, College of Pharmacy, Kyungpook National University, Daegu 41566, Republic of Korea;
| | - Hye Suk Lee
- College of Pharmacy and BK21 Four-Sponsored Advanced Program for SmartPharma Leaders, The Catholic University of Korea, Bucheon 14662, Republic of Korea;
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Li T, Jiang L, Zheng S, Qiu C, Zhao N, Lin X, Ren H, Huang J, Wang H, Qiu L. Organic anion transporting polypeptide 3a1 is a novel influx pump for Perfluorooctane sulfonate in Sertoli cells and contributes to its reproductive toxicity. CHEMOSPHERE 2023; 345:140428. [PMID: 37858765 DOI: 10.1016/j.chemosphere.2023.140428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 09/10/2023] [Accepted: 10/10/2023] [Indexed: 10/21/2023]
Abstract
Persistent organic pollutant perfluorooctane sulfonate (PFOS) is strongly associated with male reproductive disorders, but the related mechanisms are still not fully understood. In this study, we used in vivo and in vitro models to explore the role of organic anion transporting polypeptide 3a1 (Oatp3a1) on PFOS-induced male reproductive injury. Thirty male C57BL/6 (B6) mice were orally given PFOS (0-10 mg/kg/bw) for 28 days. Body weight, organ index, sperm count, histology, and blood-testis barrier (BTB) integrity were evaluated. Primary Sertoli cells were used to describe the related molecular mechanisms of male reproductive injury caused by PFOS. Our results showed that PFOS induced a decrease in sperm count, morphological damage to testicular Sertoli cells, and disruption of BTB. In the in vitro model, exposure to PFOS significantly increased Oatp3a1 mRNA and protein levels and decreased miR-23a-3p expression in Sertoli cells, accompanied by reduced trans-epithelial electrical resistance (TEER) value. By performing the 14C-PFOS uptake experiment, we showed that 14C-PFOS uptake in HEK293-Oatp3a1 cells was apparently higher than in HEK293-MOCK cells. Meanwhile, treating Sertoli cells with Oatp3a1 siRNA significantly decreased Oatp3a1 expression and rescued PFOS-induced decreases in TEER value. As such, the present study highlights that Oatp3a1 may play an important role in the toxic effect of PFOS on Sertoli cells, advancing our understanding of molecular mechanisms for PFOS-induced male reproductive disorders.
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Affiliation(s)
- Ting Li
- School of Public Health, Nantong University, 9 Seyuan Rd., Nantong, 226019, PR China
| | - Lianlian Jiang
- School of Public Health, Nantong University, 9 Seyuan Rd., Nantong, 226019, PR China
| | - Shaokai Zheng
- School of Public Health, Nantong University, 9 Seyuan Rd., Nantong, 226019, PR China
| | - Chong Qiu
- Medical School, Nantong University, 19 Qixiu Rd., Nantong, 226001, PR China
| | - Nannan Zhao
- School of Public Health, Nantong University, 9 Seyuan Rd., Nantong, 226019, PR China
| | - Xiaojun Lin
- School of Public Health, Nantong University, 9 Seyuan Rd., Nantong, 226019, PR China
| | - Hang Ren
- School of Public Health, Nantong University, 9 Seyuan Rd., Nantong, 226019, PR China
| | - Jiyan Huang
- School of Public Health, Nantong University, 9 Seyuan Rd., Nantong, 226019, PR China
| | - Hongxia Wang
- School of Public Health, Nantong University, 9 Seyuan Rd., Nantong, 226019, PR China
| | - Lianglin Qiu
- School of Public Health, Nantong University, 9 Seyuan Rd., Nantong, 226019, PR China.
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Gui C, Li Y, Peng T. Development of predictive QSAR models for the substrates/inhibitors of OATP1B1 by deep neural networks. Toxicol Lett 2023; 376:20-25. [PMID: 36649904 DOI: 10.1016/j.toxlet.2023.01.006] [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: 09/21/2022] [Revised: 01/10/2023] [Accepted: 01/12/2023] [Indexed: 01/15/2023]
Abstract
The organic anion transporting polypeptide 1B1 (OATP1B1) is an important hepatic uptake transporter. Inhibition of its normal function could lead to drug-drug interactions. In silico prediction is an effective means to identify potential OATP1B1 inhibitors and quantitative structure-activity relationship (QSAR) modeling is extensively used. As the structures of OATP1B1 substrates/inhibitors are quite diverse, machine learning based methods should be a good option for their QSAR analysis. In the present study, deep neural networks (DNNs) were employed to develop QSAR models for the substrates/inhibitors of OATP1B1 with different molecular fingerprints. Our results showed that QSAR models based on 4-hidden layer DNNs and ECFP4/FCFP4 fingerprints had the best generalization performance. The correlation coefficients (R2) of test set for ECFP4 and FCFP4 models were 0.641 and 0.653, respectively. Model application domain (AD) was calculated with Euclidean distance-based method, and AD could improve the performance of ECFP4 model but has little effect on FCFP4 model. Finally, the prediction of additional 8 compounds that not included in the data set further demonstrated that our QSAR models had a good predictive ability (averaged prediction accuracy >92%). The developed QSAR models could be used to screen large data sets and discover novel inhibitors for OATP1B1.
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Affiliation(s)
- Chunshan Gui
- College of Pharmaceutical Sciences, Soochow University, 199 Renai Road, Suzhou Industrial Park, Suzhou 215123, China.
| | - Ying Li
- College of Pharmaceutical Sciences, Soochow University, 199 Renai Road, Suzhou Industrial Park, Suzhou 215123, China
| | - Taotao Peng
- College of Pharmaceutical Sciences, Soochow University, 199 Renai Road, Suzhou Industrial Park, Suzhou 215123, China
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Wang Z, Li Y, Villanueva CE, Peng T, Han W, Bo Z, Zhang H, Hagenbuch B, Gui C. The Importance of Val386 in Transmembrane Domain 8 for the Activation of OATP1B3 by Epigallocatechin Gallate. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:6552-6560. [PMID: 35603894 PMCID: PMC9438777 DOI: 10.1021/acs.jafc.2c02692] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Estrone-3-sulfate (E3S) uptake mediated by organic anion transporting polypeptide 1B3 (OATP1B3) can be activated by epigallocatechin gallate (EGCG). In this study, by using chimeric transporters and site-directed mutagenesis, we found that Val386 in transmembrane domain 8 (TM8) is essential for OATP1B3's activation by EGCG. Kinetic studies showed that the loss of activation of 1B3-TM8 and 1B3-V386F in the presence of EGCG is due to their decreased substrate binding affinity and reduced maximal transport rate. The overall transport efficiencies of OATP1B3, 1B3-TM8, and 1B3-V386F in the absence and presence of EGCG are 8.6 ± 0.7 vs 15.9 ± 1.4 (p < 0.05), 11.2 ± 2.1 vs 2.7 ± 0.3 (p < 0.05), and 10.2 ± 1.0 vs 2.5 ± 0.3 (p < 0.05), respectively. While 1B3-V386F cannot be activated by EGCG, its transport activity for EGCG is also diminished. OATP1B3's activation by EGCG is substrate-dependent as EGCG inhibits OATP1B3-mediated pravastatin uptake. Furthermore, the activation of OATP1B3-mediated E3S uptake by quercetin 3-O-α-l-arabinopyranosyl(1 → 2)-α-l-rhamnopyranoside is not affected by TM8 and V386F. Taken together, the activation of OATP1B3 by small molecules is substrate- and modulator-dependent, and V386 in TM8 plays a critical role in the activation of OATP1B3-mediated E3S uptake by EGCG.
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Affiliation(s)
- Zhongmin Wang
- College of Pharmaceutical Sciences, Soochow University, 199 Renai Road, Suzhou Industrial Park, Suzhou, Jiangsu 215123, People’s Republic of China
| | - Ying Li
- College of Pharmaceutical Sciences, Soochow University, 199 Renai Road, Suzhou Industrial Park, Suzhou, Jiangsu 215123, People’s Republic of China
| | - Cecilia E. Villanueva
- Department of Pharmacology, Toxicology and Therapeutics, the University of Kansas Medical Center, 3901 Rainbow Boulevard, Kansas City, Kansas 66160, United States
| | - Taotao Peng
- College of Pharmaceutical Sciences, Soochow University, 199 Renai Road, Suzhou Industrial Park, Suzhou, Jiangsu 215123, People’s Republic of China
| | - Wanjun Han
- College of Pharmaceutical Sciences, Soochow University, 199 Renai Road, Suzhou Industrial Park, Suzhou, Jiangsu 215123, People’s Republic of China
| | - Zheyue Bo
- College of Pharmaceutical Sciences, Soochow University, 199 Renai Road, Suzhou Industrial Park, Suzhou, Jiangsu 215123, People’s Republic of China
| | - Hongjian Zhang
- College of Pharmaceutical Sciences, Soochow University, 199 Renai Road, Suzhou Industrial Park, Suzhou, Jiangsu 215123, People’s Republic of China
| | - Bruno Hagenbuch
- Department of Pharmacology, Toxicology and Therapeutics, the University of Kansas Medical Center, 3901 Rainbow Boulevard, Kansas City, Kansas 66160, United States
| | - Chunshan Gui
- College of Pharmaceutical Sciences, Soochow University, 199 Renai Road, Suzhou Industrial Park, Suzhou, Jiangsu 215123, People’s Republic of China
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