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Zhou N, Zhu Y, Hu M, Zheng R, Sun M, Bian Y, Chen X, Li T. Evaluation potential effects of Picroside II on cytochrome P450 enzymes in vitro and in vivo. JOURNAL OF ETHNOPHARMACOLOGY 2023; 314:116582. [PMID: 37192720 DOI: 10.1016/j.jep.2023.116582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 04/26/2023] [Accepted: 05/01/2023] [Indexed: 05/18/2023]
Abstract
ETHNOPHARMACOLOGY RELEVANCE Picrorhiza scrophulariiflora Pennell, a well-known Chinese herb, has been traditionally utilized as an antioxidant and anti-inflammatory agent. One of its main bioactive components is Picroside II, a glycoside derivative. However, there is limited information on the effects of Picroside II on the activity of cytochrome P450 (CYP) enzymes nor on potential herb-drug interactions are rarely studied. AIM OF THE STUDY The purpose of the study was to investigate the effects of Picroside II on the activity of cytochrome P450 enzymes in vitro and in vivo and its potential herb-drug interactions. MATERIALS AND METHODS Specific probe substrates were employed to assess the effect of Picroside II on the activity of P450 enzymes. The inhibitory effects of Picroside II on CYP enzymes were assayed both in human (i.e., 1A, 2C9, 2C19, 2D6, 2E1, and 3A) and rat (i.e., 1A, 2C6/11, 2D1, 2E1, and 3A) liver microsomes in vitro. The inductive effects were investigated in rats following oral gavage of 2.5 mg/kg and 10 mg/kg Picroside II. A specific Ultra Performance Liquid Chromatography-Tandem Mass Spectrometry (UPLC-MS/MS) method was developed to determine the formation of specific metabolites. RESULTS Enzyme inhibition results showed that Picroside II (0.5-200 μM) had no evident inhibitory effects on rat and human liver microsomes in vitro. Interestingly, the administration of multiple doses of 10 mg/kg Picroside II inhibited the activity of CYP2C6/11 by reducing the rate of formation of 4-hydroxydiclofenac and 4-hydroxymephenytoin, while Picroside II at 2.5 mg/kg increased the activity of CYP3A by promoting the formation of 1-hydroxymidazolam and 6-hydroxychlorzoxazone in rats. In addition, there were negligible effects on CYP1A, CYP2D1, and CYP2E1 in rats. CONCLUSIONS The results indicated that Picroside II modulated the activities of CYP enzymes and was involved in CYP2C and CYP3A medicated herb-drug interactions. Therefore, careful monitoring is necessary when Picroside II is used in combination with related conventional drugs.
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Affiliation(s)
- Nan Zhou
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, 221004, China; School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, 210009, Jiangsu, China
| | - Yujie Zhu
- School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, China
| | - Miaorong Hu
- School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, China
| | - Rongyao Zheng
- School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, China
| | - Mengqi Sun
- School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, 210009, Jiangsu, China
| | - Yueying Bian
- School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, 210009, Jiangsu, China
| | - Xijing Chen
- School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, 210009, Jiangsu, China.
| | - Tingting Li
- School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, China; State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, 210009, Jiangsu, China.
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Wang Z, Zhou K, Liang Z, Zhang H, Song Y, Yang X, Xiang D, Xie Q. In Vitro Investigation on the Effect of Dendrobine on the Activity of Cytochrome P450 Enzymes. PLANTA MEDICA 2023; 89:72-78. [PMID: 35523232 DOI: 10.1055/a-1806-2935] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Dendrobine is the major active ingredient of Dendrobium nobile, Dendrobium chrysotoxum, and Dendrobium fimbriatum, all of which are used in traditional Chinese medicine owing to their antitumor and anti-inflammation activities. Hence, investigation on the interaction of dendrobine with cytochrome P450 enzymes could provide a reference for the clinical application of Dendrobium. The effects of dendrobine on cytochrome P450 enzymes activities were investigated in the presence of 0, 2.5, 5, 10, 25, 50, and 100 µM dendrobine in pooled human liver microsomes. The specific inhibitors were employed as the positive control and the blank groups were set as the negative control. The Lineweaver-Burk plots were plotted to characterize the specific inhibition model and obtain the kinetic parameters. The study reveals that dendrobine significantly inhibited the activity of CYP3A4, 2C19, and 2D6 with IC50 values of 12.72, 10.84, and 15.47 µM, respectively. Moreover, the inhibition of CYP3A4 was found to be noncompetitive (Ki = 6.41 µM) and time dependent (KI = 2.541 µM-1, Kinact = 0.0452 min-1), while the inhibition of CYP2C19 and 2D6 was found to be competitive with the Ki values of 5.22 and 7.78 µM, respectively, and showed no time-dependent trends. The in vitro inhibitory effect of dendrobine implies the potential drug-drug interaction between dendrobine and CYP3A4-, 2C9-, and 2D6-metabolized drugs. Nonetheless, these findings need further in vivo validation.
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Affiliation(s)
- Zhiheng Wang
- Department of Acupuncture, Xingtai People's Hospital, Hebei Medical University Affiliated Hospital, Xingtai, Hebei, China
| | - Kuilong Zhou
- Internal Medicine of TCM, Xingtai People's Hospital, Hebei Medical University Affiliated Hospital, Xingtai, Hebei, China
| | - Zhijie Liang
- Department of Acupuncture, Xingtai People's Hospital, Hebei Medical University Affiliated Hospital, Xingtai, Hebei, China
| | - Huiting Zhang
- Department of Acupuncture, Xingtai People's Hospital, Hebei Medical University Affiliated Hospital, Xingtai, Hebei, China
| | - Yangjie Song
- Department of Acupuncture, Xingtai People's Hospital, Hebei Medical University Affiliated Hospital, Xingtai, Hebei, China
| | - Xiaomin Yang
- Department of Acupuncture, Xingtai People's Hospital, Hebei Medical University Affiliated Hospital, Xingtai, Hebei, China
| | - Dongguo Xiang
- Department of Acupuncture, Xingtai People's Hospital, Hebei Medical University Affiliated Hospital, Xingtai, Hebei, China
| | - Qingfan Xie
- Department of Rehabilitation Medicine, Xingtai People's Hospital, Hebei Medical University Affiliated Hospital, Xingtai, Hebei, China
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Song H, Wei C, Yang W, Niu Z, Gong M, Hu H, Wang H. Alpinetin suppresses CYP3A4, 2C9, and 2E1 activity in vitro. PHARMACEUTICAL BIOLOGY 2022; 60:1032-1037. [PMID: 35634649 PMCID: PMC9154758 DOI: 10.1080/13880209.2022.2071450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 03/28/2022] [Accepted: 04/22/2022] [Indexed: 06/15/2023]
Abstract
CONTEXT Alpinetin, the major active constitutes of Alpinia katsumata Hayata (Zingiberaceae), has been demonstrated to possess the activity of anti-breast cancer. Cytochrome P450 enzymes (CYP450s) plays vital roles in the biotransformation of various drugs. OBJECTIVE To assess the effect of alpinetin on the activity of CYP450s and estimate the inhibition characteristics. MATERIALS AND METHODS The activity of CYP450s was evaluated in pooled human liver microsomes with corresponding substrates and marker reactions. The effect of alpinetin was compared with blank control (negative control) and corresponding inhibitors (positive control). The dose-dependent and time-dependent experiments were conducted in the presence of 0, 2.5, 5, 10, 25, 50, and 100 μM alpinetin and incubated for 0, 5, 10, 15, and 30 min. RESULTS Alpinetin suppressed CYP3A4, 2C9, and 2E1 activity. All the inhibitions were significantly influenced by alpinetin contration with the IC50 values of 8.23 μM (CYP3A4), 12.64 μM (CYP2C9), and 10.97 μM (CYP2E1), respectively. The inhibition of CYP3A4 was fitted with the non-competitive model with a Ki value of 4.09 μM and was time-dependent with KI and Kinact values of 4.67 min and 0.041 μM-1, respectively. While CYP2C9 and 2E1 were inhibited by alpinetin competitively with Ki values of 6.42 (CYP2C9) and 5.40 μM (CYP2E1), respectively, in a time-independent manner. DISCUSSION AND CONCLUSION The in vitro inhibitory effect of alpineticn on CYP3A, 2C9, and 2E1 implied the potential interaction of alpinetin or its origin herbs with the drugs metabolised by those CYP450s, which needs further in vivo validation.
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Affiliation(s)
- Hongming Song
- Breast Disease Center, The Affiliated Hospital of Qingdao University, Qingdao, People’s Republic of China
| | - Chuankui Wei
- Department of General Surgery, The Second Affiliated Hospital of Shandong First Medical University, Taian, People’s Republic of China
| | - Wu Yang
- Department of International Medicine, The Affiliated Hospital of Qingdao University, Qingdao, People’s Republic of China
| | - Zhaohe Niu
- Breast Disease Center, The Affiliated Hospital of Qingdao University, Qingdao, People’s Republic of China
| | - Mingkai Gong
- Breast Disease Center, The Affiliated Hospital of Qingdao University, Qingdao, People’s Republic of China
| | - Haiyan Hu
- Breast Disease Center, The Affiliated Hospital of Qingdao University, Qingdao, People’s Republic of China
| | - Haibo Wang
- Breast Disease Center, The Affiliated Hospital of Qingdao University, Qingdao, People’s Republic of China
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Nontakham J, Siripong P, Sato H, Chewchinda S, Arunrungvichian K, Yahuafai J, Goli AS, Sato VH. Inhibitory effects of Triphala on CYP isoforms in vitro and its pharmacokinetic interactions with phenacetin and midazolam in rats. Heliyon 2022; 8:e09764. [PMID: 35785236 PMCID: PMC9243172 DOI: 10.1016/j.heliyon.2022.e09764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 04/12/2022] [Accepted: 06/16/2022] [Indexed: 11/09/2022] Open
Abstract
Context Direct evidence of Triphala-drug interactions has not been provided to date. Objective This study was aimed to determine the effects of Triphala on cytochrome P450 (CYP) isoforms and P-glycoprotein (P-gp) in vitro, and to investigate pharmacokinetic interactions of Triphala with CYP-probes in rats. Materials and methods Effects of Triphala on the activities of CYP isoforms and P-gp were examined using human liver microsomes (HLMs) and Caco-2 cells, respectively. Pharmacokinetic interactions between Triphala and CYP-probes (i.e., phenacetin and midazolam) were further examined in rats. Results Triphala extract inhibited the activities of CYP isoforms in the order of CYP1A2>3A4>2C9>2D6 with the IC50 values of 23.6 ± 9.2, 28.1 ± 9.8, 30.41 ± 16.7 and 93.9 ± 27.5 μg/mL, respectively in HLMs. It exhibited a non-competitive inhibition of CYP1A2 and 2C9 with the Ki values of 23.6 and 30.4 μg/mL, respectively, while its inhibition on CYP3A4 was competitive manner with the Ki values of 64.9 μg/mL. The inhibitory effects of Triphala on CYP1A2 and 3A4 were not time-dependent. Moreover, Triphala did not affect the P-gp activity in Caco-2 cells. Triphala, after its oral co-administration at 500 mg/kg, increased the bioavailabilities of phenacetin and midazolam by about 61.2% and 40.7%, respectively, in rats. Discussion and conclusions Increases observed in the bioavailabilities of phenacetin and midazolam after oral co-administration of Triphala in rats provided a direct line of evidence to show Triphala-drug interactions via inhibition of CYP1A and CYP3A activities, respectively. These results, together with the lack of time-dependency of CYP 1A2 and 3A4 inhibition in vitro, suggested that the inhibitory effect of Triphala is primarily reversible.
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Zhao H, Xue S, Meng Q, Zhou C. In vitro study on the effect of leonurine hydrochloride on the enzyme activity of cytochrome P450 enzymes in human liver microsomes. Xenobiotica 2021; 51:977-982. [PMID: 34176447 DOI: 10.1080/00498254.2021.1947544] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Leonurine hydrochloride (LH) is derived from an ingredient of Leonurus japonicus Houtt which is widely used for diseases in women.The influence of LH on the activity of cytochrome P450 (CYPs) enzymes was investigated in this study.The effect of LH on CYPs enzyme activities were studied using the enzyme-selective substrates phenacetin (1A2), coumarin (2A6), diclofenac (2C9), S-mephenytoin (2C19), paclitaxel (2C8), dextromethorphan (2D6), chlorzoxazone (2E1) and testosterone (3A4). The IC50 value was calculated to express the strength of inhibition. The inhibition of CYPs was fitted with competitive or non-competitive inhibition models and corresponding parameters were also obtained.LH exerted inhibitory effects on the activity of CYP1A2, 2D6, and 3A4 with the IC50 values of 18.05, 15.13, and 20.09 μM, respectively. The obtained results showed that LH inhibited the activity of CYP1A2 and CYP2D6 via competitive manners (Ki = 8.667 μM and Ki = 7.805 μM, respectively), while LH attenuated the CYP3A4 activity via a non-competitive manner (Ki = 9.507 μM). Moreover, LH showed time-dependent inhibition on CYP3A4 with the KI/Kinact value of 4.31/0.044 min-1·μM-1.The inhibition of CYP1A2, CYP2D6, and CYP3A4 by LH, demonstrated in vitro, indicated the potential herb-drug interaction. Therefore, pharmacokinetic interactions involving LH and CYP1A2 or CYP2D6 or CYP1A2 substrates are likely to occur.
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Affiliation(s)
- Hui Zhao
- Department of Nephrology, Yidu Central Hospital of Weifang, Weifang, Shandong, China
| | - Senyao Xue
- Department of Urology, Yidu Central Hospital of Weifang, Weifang, Shandong, China
| | - Qingzhen Meng
- Department of Intravenous Drug Allocation, Weifang Maternal and Child Health Hospital, Weifang, China
| | - Cui Zhou
- Department of Intravenous Drug Allocation, Weifang Maternal and Child Health Hospital, Weifang, China
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The Influence of Long-Term Treatment with Asenapine on Liver Cytochrome P450 Expression and Activity in the Rat. The Involvement of Different Mechanisms. Pharmaceuticals (Basel) 2021; 14:ph14070629. [PMID: 34209648 PMCID: PMC8308745 DOI: 10.3390/ph14070629] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Accepted: 06/25/2021] [Indexed: 12/12/2022] Open
Abstract
Therapy of schizophrenia requires long-term treatment with a relevant antipsychotic drug to achieve a therapeutic effect. The aim of the present study was to investigate the influence of prolonged treatment with the atypical neuroleptic asenapine on the expression and activity of rat cytochrome P450 (CYP) in the liver. The experiment was carried out on male Wistar rats. Asenapine (0.3 mg/kg s.c.) was administered for two weeks. The levels of CYP mRNA protein and activity were determined in the liver and hormone concentrations were measured in the pituitary gland and blood serum. Asenapine significantly decreased the activity of CYP1A (caffeine 8-hydroxylation and 3-N-demethylation), CYP2B, CYP2C11 and CYP3A (testosterone hydroxylation at positions 16β; 2α and 16α; 2β and 6β, respectively). The neuroleptic did not affect the activity of CYP2A (testosterone 7α-hydroxylation), CYP2C6 (warfarin 7-hydroxylation) and CYP2E1 (chlorzoxazone 6-hydroxylation). The mRNA and protein levels of CYP1A2, CYP2B1, CYP2C11 and CYP3A1 were decreased, while those of CYP2B2 and CYP3A2 were not changed. Simultaneously, pituitary level of growth hormone-releasing hormone and serum concentrations of growth hormone and corticosterone were reduced, while that of triiodothyronine was enhanced. In conclusion, chronic treatment with asenapine down-regulates liver cytochrome P450 enzymes, which involves neuroendocrine mechanisms. Thus, chronic asenapine treatment may slow the metabolism of CYP1A, CYP2B, CYP2C11 and CYP3A substrates (steroids and drugs). Since asenapine is metabolized by CYP1A and CYP3A, the neuroleptic may inhibit its own metabolism, therefore, the plasma concentration of asenapine in patients after prolonged treatment may be higher than expected based on a single dose.
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Xu S, Zhang F, Chen D, Su K, Zhang L, Jiang R. In vitro inhibitory effects of ganoderic acid A on human liver cytochrome P450 enzymes. PHARMACEUTICAL BIOLOGY 2020; 58:308-313. [PMID: 32285742 PMCID: PMC7178866 DOI: 10.1080/13880209.2020.1747500] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
Context: Ganoderic acid A (GAA) is usually used to prevent cancers or other diseases, which make it likely to be used with other drugs metabolized by cytochromes P450.Objective: This study investigates the effect of GAA on eight major cytochrome P450 isoforms in human liver microsomes.Material and method: The effects of GAA (100 μM) on eight human liver CYP isoforms (i.e., 1A2, 3A4, 2A6, 2E1, 2D6, 2C9, 2C19, and 2C8) were investigated in vitro using human liver microsomes (HLMs) with specific substrates for the CYPs, and the enzyme kinetic parameters were calculated.Results: The results showed that GAA inhibited the activity of CYP3A4, 2D6, and 2E1, but did not affect other isoforms. The inhibition of CYP3A4, 2D6, and 2E1 was concentration-dependent with IC50 values of 15.05, 21.83, and 28.35 μM, respectively. Additionally, GAA was not only a non-competitive inhibitor of CYP3A4, but also a competitive inhibitor of CYP2D6 and 2E1, with Ki values of 7.16, 10.07, and 13.45 μM. Meanwhile, the inhibition of CYP3A4 was time-dependent, with the KI/Kinact value of 7.91/0.048 μM/min.Discussion and conclusion: The in vitro study indicated that GAA has the potential to result in drug-drug interactions with other drugs metabolized by CYP3A4, 2D6, and 2E1. Further clinical studies are needed for the identification of this interaction.
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Affiliation(s)
- Shangchen Xu
- Department of Neurosurgery, Shandong Provincial Hospital, Jinan, Shandong, China
| | - Fengqing Zhang
- Department of Tumor Intervention, Municipal Official Hospital of WeiFang, Weifang, Shandong, China
| | - Dali Chen
- Department of Laboratory, Yidu Central Hospital of Weifang, Weifang, Shandong, China
| | - Keren Su
- Department of Pharmacy, Shanxian Central Hospital (Affiliated Huxi Hospital of Jining Medical University), Heze, Shandong, China
| | - Li Zhang
- Department of Pharmacy, Shanxian Central Hospital (Affiliated Huxi Hospital of Jining Medical University), Heze, Shandong, China
| | - Rui Jiang
- Department of Minimally Invasive Tumor, Shandong Provincial Hospital, Jinan, Shandong, China
- CONTACT Rui Jiang Department of Minimally Invasive Tumor, Shandong Provincial Hospital, No. 324, Jingweuweiqi Road, Jinan, Shandong250000, China
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