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Qi Y, Yang H, Wang S, Zou L, Zhao F, Zhang Q, Hong Y, Luo Q, Zhou Q, Geng P, Chen H, Ji F, Cai J, Dai D. Identification and Functional Assessment of Eight CYP3A4 Allelic Variants *39-*46 Detected in the Chinese Han Population. Drug Metab Dispos 2024; 52:218-227. [PMID: 38195522 DOI: 10.1124/dmd.123.001542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 12/10/2023] [Accepted: 12/15/2023] [Indexed: 01/11/2024] Open
Abstract
Cytochrome P450 3A4 (CYP3A4), a key enzyme, is pivotal in metabolizing approximately half of the drugs used clinically. The genetic polymorphism of the CYP3A4 gene significantly influences individual variations in drug metabolism, potentially leading to severe adverse drug reactions (ADRs). In this study, we conducted a genetic analysis on CYP3A4 gene in 1163 Chinese Han individuals to identify the genetic variations that might affect their drug metabolism capabilities. For this purpose, a multiplex polymerase chain reaction (PCR) amplicon sequencing technique was developed, enabling us to perform the genotyping of CYP3A4 gene efficiently and economically on a large scale. As a result, a total of 14 CYP3A4 allelic variants were identified, comprising six previously reported alleles and eight new nonsynonymous variants that were nominated as new allelic variants *39-*46 by the PharmVar Association. Further, functional assessments of these novel CYP3A4 variants were undertaken by coexpressing them with cytochromes P450 oxidoreductase (CYPOR) in Saccharomyces cerevisiae microsomes. Immunoblot analysis indicated that with the exception of CYP3A4.40 and CYP3A4.45, the protein expression levels of most new variants were similar to that of the wild-type CYP3A4.1 in yeast cells. To evaluate their catalytic activities, midazolam was used as a probe drug. The results showed that variant CYP3A4.45 had almost no catalytic activity, whereas the other variants exhibited significantly reduced drug metabolism abilities. This suggests that the majority of the CYP3A4 variants identified in the Chinese population possess markedly altered capacities for drug metabolism. SIGNIFICANCE STATEMENT: In this study, we established a multiplex polymerase chain reaction (PCR) amplicon sequencing method and detected the maximum number of new CYP3A4 variants in a single ethnic population. Additionally, we performed the functional characterizations of these eight novel CYP3A4 allele variants in vitro. This study not only contributes to the understanding of CYP3A4 genetic polymorphism in the Chinese Han population but also holds substantial reference value for their potential clinical applications in personalized medicine.
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Affiliation(s)
- Yuying Qi
- Peking University Fifth School of Clinical Medicine, Beijing, China (Y.Q., H.Y., D.D.); The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology of National Health Commission, Beijing, China (H.Y., F.Z., J.C.); Laboratory of Clinical Pharmacy, The Sixth Affiliated Hospital of Wenzhou Medical University, The People's Hospital of Lishui, Lishui, China (S.W., Q.Z., P.G.); and Department of Cardiology (L.Z., Q.Z., H.C., F.J.) and Department of Gastroenterology (Y.H., Q.L.), Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, China
| | - Hang Yang
- Peking University Fifth School of Clinical Medicine, Beijing, China (Y.Q., H.Y., D.D.); The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology of National Health Commission, Beijing, China (H.Y., F.Z., J.C.); Laboratory of Clinical Pharmacy, The Sixth Affiliated Hospital of Wenzhou Medical University, The People's Hospital of Lishui, Lishui, China (S.W., Q.Z., P.G.); and Department of Cardiology (L.Z., Q.Z., H.C., F.J.) and Department of Gastroenterology (Y.H., Q.L.), Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, China
| | - Shuanghu Wang
- Peking University Fifth School of Clinical Medicine, Beijing, China (Y.Q., H.Y., D.D.); The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology of National Health Commission, Beijing, China (H.Y., F.Z., J.C.); Laboratory of Clinical Pharmacy, The Sixth Affiliated Hospital of Wenzhou Medical University, The People's Hospital of Lishui, Lishui, China (S.W., Q.Z., P.G.); and Department of Cardiology (L.Z., Q.Z., H.C., F.J.) and Department of Gastroenterology (Y.H., Q.L.), Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, China
| | - Lili Zou
- Peking University Fifth School of Clinical Medicine, Beijing, China (Y.Q., H.Y., D.D.); The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology of National Health Commission, Beijing, China (H.Y., F.Z., J.C.); Laboratory of Clinical Pharmacy, The Sixth Affiliated Hospital of Wenzhou Medical University, The People's Hospital of Lishui, Lishui, China (S.W., Q.Z., P.G.); and Department of Cardiology (L.Z., Q.Z., H.C., F.J.) and Department of Gastroenterology (Y.H., Q.L.), Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, China
| | - Fangling Zhao
- Peking University Fifth School of Clinical Medicine, Beijing, China (Y.Q., H.Y., D.D.); The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology of National Health Commission, Beijing, China (H.Y., F.Z., J.C.); Laboratory of Clinical Pharmacy, The Sixth Affiliated Hospital of Wenzhou Medical University, The People's Hospital of Lishui, Lishui, China (S.W., Q.Z., P.G.); and Department of Cardiology (L.Z., Q.Z., H.C., F.J.) and Department of Gastroenterology (Y.H., Q.L.), Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, China
| | - Qing Zhang
- Peking University Fifth School of Clinical Medicine, Beijing, China (Y.Q., H.Y., D.D.); The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology of National Health Commission, Beijing, China (H.Y., F.Z., J.C.); Laboratory of Clinical Pharmacy, The Sixth Affiliated Hospital of Wenzhou Medical University, The People's Hospital of Lishui, Lishui, China (S.W., Q.Z., P.G.); and Department of Cardiology (L.Z., Q.Z., H.C., F.J.) and Department of Gastroenterology (Y.H., Q.L.), Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, China
| | - Yun Hong
- Peking University Fifth School of Clinical Medicine, Beijing, China (Y.Q., H.Y., D.D.); The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology of National Health Commission, Beijing, China (H.Y., F.Z., J.C.); Laboratory of Clinical Pharmacy, The Sixth Affiliated Hospital of Wenzhou Medical University, The People's Hospital of Lishui, Lishui, China (S.W., Q.Z., P.G.); and Department of Cardiology (L.Z., Q.Z., H.C., F.J.) and Department of Gastroenterology (Y.H., Q.L.), Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, China
| | - Qingfeng Luo
- Peking University Fifth School of Clinical Medicine, Beijing, China (Y.Q., H.Y., D.D.); The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology of National Health Commission, Beijing, China (H.Y., F.Z., J.C.); Laboratory of Clinical Pharmacy, The Sixth Affiliated Hospital of Wenzhou Medical University, The People's Hospital of Lishui, Lishui, China (S.W., Q.Z., P.G.); and Department of Cardiology (L.Z., Q.Z., H.C., F.J.) and Department of Gastroenterology (Y.H., Q.L.), Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, China
| | - Quan Zhou
- Peking University Fifth School of Clinical Medicine, Beijing, China (Y.Q., H.Y., D.D.); The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology of National Health Commission, Beijing, China (H.Y., F.Z., J.C.); Laboratory of Clinical Pharmacy, The Sixth Affiliated Hospital of Wenzhou Medical University, The People's Hospital of Lishui, Lishui, China (S.W., Q.Z., P.G.); and Department of Cardiology (L.Z., Q.Z., H.C., F.J.) and Department of Gastroenterology (Y.H., Q.L.), Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, China
| | - Peiwu Geng
- Peking University Fifth School of Clinical Medicine, Beijing, China (Y.Q., H.Y., D.D.); The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology of National Health Commission, Beijing, China (H.Y., F.Z., J.C.); Laboratory of Clinical Pharmacy, The Sixth Affiliated Hospital of Wenzhou Medical University, The People's Hospital of Lishui, Lishui, China (S.W., Q.Z., P.G.); and Department of Cardiology (L.Z., Q.Z., H.C., F.J.) and Department of Gastroenterology (Y.H., Q.L.), Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, China
| | - Hao Chen
- Peking University Fifth School of Clinical Medicine, Beijing, China (Y.Q., H.Y., D.D.); The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology of National Health Commission, Beijing, China (H.Y., F.Z., J.C.); Laboratory of Clinical Pharmacy, The Sixth Affiliated Hospital of Wenzhou Medical University, The People's Hospital of Lishui, Lishui, China (S.W., Q.Z., P.G.); and Department of Cardiology (L.Z., Q.Z., H.C., F.J.) and Department of Gastroenterology (Y.H., Q.L.), Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, China
| | - Fusui Ji
- Peking University Fifth School of Clinical Medicine, Beijing, China (Y.Q., H.Y., D.D.); The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology of National Health Commission, Beijing, China (H.Y., F.Z., J.C.); Laboratory of Clinical Pharmacy, The Sixth Affiliated Hospital of Wenzhou Medical University, The People's Hospital of Lishui, Lishui, China (S.W., Q.Z., P.G.); and Department of Cardiology (L.Z., Q.Z., H.C., F.J.) and Department of Gastroenterology (Y.H., Q.L.), Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, China
| | - Jianping Cai
- Peking University Fifth School of Clinical Medicine, Beijing, China (Y.Q., H.Y., D.D.); The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology of National Health Commission, Beijing, China (H.Y., F.Z., J.C.); Laboratory of Clinical Pharmacy, The Sixth Affiliated Hospital of Wenzhou Medical University, The People's Hospital of Lishui, Lishui, China (S.W., Q.Z., P.G.); and Department of Cardiology (L.Z., Q.Z., H.C., F.J.) and Department of Gastroenterology (Y.H., Q.L.), Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, China
| | - Dapeng Dai
- Peking University Fifth School of Clinical Medicine, Beijing, China (Y.Q., H.Y., D.D.); The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology of National Health Commission, Beijing, China (H.Y., F.Z., J.C.); Laboratory of Clinical Pharmacy, The Sixth Affiliated Hospital of Wenzhou Medical University, The People's Hospital of Lishui, Lishui, China (S.W., Q.Z., P.G.); and Department of Cardiology (L.Z., Q.Z., H.C., F.J.) and Department of Gastroenterology (Y.H., Q.L.), Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, China
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Lebedev SS, Tavobilov MM, Karpov AA, Abramov KA, Bochkov PO, Shevchenko RV, Denisenko NP, Shabunin AV, Sychev DA. Cytochrome P450 3A4 activity and genetic variants as predictors of liver failure in patients with obstructive jaundice. Free Radic Biol Med 2023; 208:229-235. [PMID: 37573895 DOI: 10.1016/j.freeradbiomed.2023.08.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/12/2023] [Revised: 07/18/2023] [Accepted: 08/04/2023] [Indexed: 08/15/2023]
Abstract
Liver failure in patients with obstructive jaundice is a significant contributor to mortality within this patient cohort. The exact mechanism and triggers of this occurrence are yet to be fully understood. With this in mind, our study aimed to assess the correlation between the urinary 6 β-OHC/C ratio and various biochemical parameters of liver function. Furthermore, we conducted genotyping of CYP3A4*22 (rs35599367), CYP3A5*3 (rs776746) polymorphic markers to investigate the potential effects of their variants on the probability of liver failure in obstructive jaundice. Our study included 75 patients diagnosed with severe obstructive jaundice. All test subjects underwent functional liver tests, and control blood tests were administered on the seventh day following biliary decompression. Patients were categorized into two groups: group 1 - patients without liver failure (n = 60) and group 2 - patients with liver failure (n = 15). Laboratory indexes such as 6 β -OHC concentration and 6 β- OHC/cortisol ratio can serve as significant predictors of liver failure in patients with moderate and severe degree obstructive jaundice after biliary decompression. Based on the study of "wild" and polymorphic variants of CYP3A4*22 (CC and CT) and polymorphism of CYP3A5*3A6986G (GG, GA, AA), it was discovered that liver failure in the CYP3A4*22 variant may be associated with the CC genotype, and in the CYP3A5*3 variant - with the GA genotype. Hence, the determination of 6β- OHC concentration and 6β- OHC/C ratio, as well as the analysis of polymorphic and "wild" variants of CYP3A4*22 (CC and CT) and CYP3A5*3 polymorphism A6986G (GG, GA, AA), may play a crucial role in predicting liver failure in patients with obstructive jaundice.
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Affiliation(s)
- Sergey S Lebedev
- Russian Medical Academy of Continuing Professional Education, Ministry of Health of the Russian Federation, Moscow, st. Barrikadnaya, 2/1, Russia; Botkin Hospital, Russian Academy of Sciences, Moscow, st. 2nd Botkinsky proezd, 5, Russia
| | - Mikhail M Tavobilov
- Russian Medical Academy of Continuing Professional Education, Ministry of Health of the Russian Federation, Moscow, st. Barrikadnaya, 2/1, Russia; Botkin Hospital, Russian Academy of Sciences, Moscow, st. 2nd Botkinsky proezd, 5, Russia
| | - Alexey A Karpov
- Botkin Hospital, Russian Academy of Sciences, Moscow, st. 2nd Botkinsky proezd, 5, Russia
| | - Kirill A Abramov
- Botkin Hospital, Russian Academy of Sciences, Moscow, st. 2nd Botkinsky proezd, 5, Russia.
| | - Pavel O Bochkov
- Russian Medical Academy of Continuing Professional Education, Ministry of Health of the Russian Federation, Moscow, st. Barrikadnaya, 2/1, Russia
| | - Roman V Shevchenko
- Russian Medical Academy of Continuing Professional Education, Ministry of Health of the Russian Federation, Moscow, st. Barrikadnaya, 2/1, Russia
| | - Natalia P Denisenko
- Russian Medical Academy of Continuing Professional Education, Ministry of Health of the Russian Federation, Moscow, st. Barrikadnaya, 2/1, Russia
| | - Alexey V Shabunin
- Russian Medical Academy of Continuing Professional Education, Ministry of Health of the Russian Federation, Moscow, st. Barrikadnaya, 2/1, Russia; Botkin Hospital, Russian Academy of Sciences, Moscow, st. 2nd Botkinsky proezd, 5, Russia
| | - Dmitri A Sychev
- Russian Medical Academy of Continuing Professional Education, Ministry of Health of the Russian Federation, Moscow, st. Barrikadnaya, 2/1, Russia
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Liu S, Zheng Q, Bai F. Differences of Atomic-Level Interactions between Midazolam and Two CYP Isoforms 3A4 and 3A5. Molecules 2023; 28:6900. [PMID: 37836743 PMCID: PMC10574787 DOI: 10.3390/molecules28196900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2023] [Revised: 09/22/2023] [Accepted: 09/28/2023] [Indexed: 10/15/2023] Open
Abstract
CYP 3A4 and CYP 3A5 are two important members of the human cytochrome P450 family. Although their overall structures are similar, the local structures of the active site are different, which directly leads to obvious individual differences in drug metabolic efficacy and toxicity. In this work, midazolam (MDZ) was selected as the probe substrate, and its interaction with two proteins, CYP 3A4 and CYP 3A5, was studied by molecular dynamics simulation (MD) along with the calculation of the binding free energy. The results show that two protein-substrate complexes have some similarities in enzyme-substrate binding; that is, in both complexes, Ser119 forms a high occupancy hydrogen bond with MDZ, which plays a key role in the stability of the interaction between MDZ and the enzymes. However, the complex formed by CYP 3A4 and MDZ is more stable, which may be attributed to the sandwich structure formed by the fluorophenyl group of the substrate with Leu216 and Leu482. Our study interprets the binding differences between two isoform-substrate complexes and reveals a structure-function relationship from the atomic perspective, which is expected to provide a theoretical basis for accurately measuring the effectiveness and toxicity of drugs for individuals in the era of precision medicine.
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Affiliation(s)
- Shuhui Liu
- Institute of Theoretical Chemistry, College of Chemistry, Jilin University, Changchun 130023, China;
- School and Hospital of Stomatology, Jilin University, Changchun 130023, China
| | - Qingchuan Zheng
- Institute of Theoretical Chemistry, College of Chemistry, Jilin University, Changchun 130023, China;
| | - Fuquan Bai
- Institute of Theoretical Chemistry, College of Chemistry, Jilin University, Changchun 130023, China;
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Marwa KJ, Kapesa A, Kamugisha E, Swedberg G. The Influence of Cytochrome P450 Polymorphisms on Pharmacokinetic Profiles and Treatment Outcomes Among Malaria Patients in Sub-Saharan Africa: A Systematic Review. Pharmgenomics Pers Med 2023; 16:449-461. [PMID: 37223718 PMCID: PMC10202199 DOI: 10.2147/pgpm.s379945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Accepted: 04/24/2023] [Indexed: 05/25/2023] Open
Abstract
Background Sub-Saharan Africa (SSA) population is genetically diverse and heterogenous thus variability in drug response among individuals is predicted to be high. Cytochrome P450 (CYP450) polymorphisms is a major source of variability in drug response. This systematic review presents the influence of CYP450 single nucleotide polymorphisms (SNPs), particularly CYP3A4*1B, CYP2B6*6 and CYP3A5*3 on antimalarial drug plasma concentrations, efficacy and safety in SSA populations. Methods Searching for relevant studies was done through Google Scholar, Cochrane Central Register of controlled trials (CENTRAL), PubMed, Medline, LILACS, and EMBASE online data bases. The Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) guidelines were used. Two independent reviewers extracted data from the studies. Results Thirteen studies reporting the influence of CYP450 SNPs on plasma concentrations, efficacy and safety were included in the final data synthesis. CYP3A4*1B, CYP3A5*5, CYP2B6*6 and CYP2C8*2 did not affect antimalarial drug plasma concentration significantly. There was no difference in treatment outcomes between malaria patients with variant alleles and those with wild type alleles. Conclusion This review reports lack of influence of CYP3A4*1B, CYP3A5*3, CYP2C8*3 and CYP2B6*6 SNPs on PK profiles, efficacy and safety in SSA among P. falciparum malaria patients.
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Affiliation(s)
- Karol J Marwa
- Department of Pharmacology, Catholic University of Health and Allied Sciences, Mwanza, Tanzania
| | - Anthony Kapesa
- Department of Community Medicine, Catholic University of Health and Allied Sciences, Mwanza, Tanzania
| | - Erasmus Kamugisha
- Department of Biochemistry, Catholic University of Health and Allied Sciences, Mwanza, Tanzania
| | - Göte Swedberg
- Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden
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Wang C, Dai S, Zhao X, Zhang Y, Gong L, Fu K, Ma C, Peng C, Li Y. Celastrol as an emerging anticancer agent: Current status, challenges and therapeutic strategies. Biomed Pharmacother 2023; 163:114882. [PMID: 37196541 DOI: 10.1016/j.biopha.2023.114882] [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: 04/09/2023] [Revised: 05/10/2023] [Accepted: 05/12/2023] [Indexed: 05/19/2023] Open
Abstract
Celastrol is a pentacyclic triterpenoid extracted from the traditional Chinese medicine Tripterygium wilfordii Hook F., which has multiple pharmacological activities. In particular, modern pharmacological studies have demonstrated that celastrol exhibits significant broad-spectrum anticancer activities in the treatment of a variety of cancers, including lung cancer, liver cancer, colorectal cancer, hematological malignancies, gastric cancer, prostate cancer, renal carcinoma, breast cancer, bone tumor, brain tumor, cervical cancer, and ovarian cancer. Therefore, by searching the databases of PubMed, Web of Science, ScienceDirect and CNKI, this review comprehensively summarizes the molecular mechanisms of the anticancer effects of celastrol. According to the data, the anticancer effects of celastrol can be mediated by inhibiting tumor cell proliferation, migration and invasion, inducing cell apoptosis, suppressing autophagy, hindering angiogenesis and inhibiting tumor metastasis. More importantly, PI3K/Akt/mTOR, Bcl-2/Bax-caspase 9/3, EGFR, ROS/JNK, NF-κB, STAT3, JNK/Nrf2/HO-1, VEGF, AR/miR-101, HSF1-LKB1-AMPKα-YAP, Wnt/β-catenin and CIP2A/c-MYC signaling pathways are considered as important molecular targets for the anticancer effects of celastrol. Subsequently, studies of its toxicity and pharmacokinetic properties showed that celastrol has some adverse effects, low oral bioavailability and a narrow therapeutic window. In addition, the current challenges of celastrol and the corresponding therapeutic strategies are also discussed, thus providing a theoretical basis for the development and application of celastrol in the clinic.
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Affiliation(s)
- Cheng Wang
- State Key Laboratory of Southwestern Chinese Medicine Resources, Key Laboratory of Standardization for Chinese Herbal Medicine, Ministry of Education, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Shu Dai
- State Key Laboratory of Southwestern Chinese Medicine Resources, Key Laboratory of Standardization for Chinese Herbal Medicine, Ministry of Education, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Xingtao Zhao
- State Key Laboratory of Southwestern Chinese Medicine Resources, Key Laboratory of Standardization for Chinese Herbal Medicine, Ministry of Education, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Yafang Zhang
- State Key Laboratory of Southwestern Chinese Medicine Resources, Key Laboratory of Standardization for Chinese Herbal Medicine, Ministry of Education, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Lihong Gong
- State Key Laboratory of Southwestern Chinese Medicine Resources, Key Laboratory of Standardization for Chinese Herbal Medicine, Ministry of Education, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Ke Fu
- State Key Laboratory of Southwestern Chinese Medicine Resources, Key Laboratory of Standardization for Chinese Herbal Medicine, Ministry of Education, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Cheng Ma
- State Key Laboratory of Southwestern Chinese Medicine Resources, Key Laboratory of Standardization for Chinese Herbal Medicine, Ministry of Education, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Cheng Peng
- State Key Laboratory of Southwestern Chinese Medicine Resources, Key Laboratory of Standardization for Chinese Herbal Medicine, Ministry of Education, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China.
| | - Yunxia Li
- State Key Laboratory of Southwestern Chinese Medicine Resources, Key Laboratory of Standardization for Chinese Herbal Medicine, Ministry of Education, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China.
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Denison M, Ahrens JJ, Dunbar MN, Warmahaye H, Majeed A, Turro C, Kocarek TA, Sevrioukova IF, Kodanko JJ. Dynamic Ir(III) Photosensors for the Major Human Drug-Metabolizing Enzyme Cytochrome P450 3A4. Inorg Chem 2023; 62:3305-3320. [PMID: 36758158 PMCID: PMC10268476 DOI: 10.1021/acs.inorgchem.3c00059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
Abstract
Probing the activity of cytochrome P450 3A4 (CYP3A4) is critical for monitoring the metabolism of pharmaceuticals and identifying drug-drug interactions. A library of Ir(III) probes that detect occupancy of the CYP3A4 active site were synthesized and characterized. These probes show selectivity for CYP3A4 inhibition, low cellular toxicity, Kd values as low as 9 nM, and are highly emissive with lifetimes up to 3.8 μs in cell growth media under aerobic conditions. These long emission lifetimes allow for time-resolved gating to distinguish probe from background autofluorescence from growth media and live cells. X-ray crystallographic analysis revealed structure-activity relationships and the preference or indifference of CYP3A4 toward resolved stereoisomers. Ir(III)-based probes show emission quenching upon CYP3A4 binding, then emission increases following displacement with CYP3A4 inhibitors or substrates. Importantly, the lead probes inhibit the activity of CYP3A4 at concentrations as low as 300 nM in CYP3A4-overexpressing HepG2 cells that accurately mimic human hepatic drug metabolism. Thus, the Ir(III)-based agents show promise as novel chemical tools for monitoring CYP3A4 active site occupancy in a high-throughput manner to gain insight into drug metabolism and drug-drug interactions.
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Affiliation(s)
- Madeline Denison
- Department of Chemistry, Wayne State University, 5101 Cass Ave, Detroit, Michigan 48202, United States
| | - Justin J Ahrens
- Department of Chemistry, Wayne State University, 5101 Cass Ave, Detroit, Michigan 48202, United States
| | - Marilyn N Dunbar
- Department of Chemistry and Biochemistry, The Ohio State University, Columbus, Ohio 43210, United States
| | - Habon Warmahaye
- Department of Chemistry and Biochemistry, The Ohio State University, Columbus, Ohio 43210, United States
| | - Aliza Majeed
- Institute of Environmental Health Sciences, Wayne State University, 6135 Woodward Avenue, Integrative Biosciences Center, Room 2126, Detroit, Michigan 48202, United States
| | - Claudia Turro
- Department of Chemistry and Biochemistry, The Ohio State University, Columbus, Ohio 43210, United States
| | - Thomas A Kocarek
- Institute of Environmental Health Sciences, Wayne State University, 6135 Woodward Avenue, Integrative Biosciences Center, Room 2126, Detroit, Michigan 48202, United States
| | - Irina F Sevrioukova
- Department of Molecular Biology and Biochemistry, University of California, Irvine, California 92697, United States
| | - Jeremy J Kodanko
- Department of Chemistry, Wayne State University, 5101 Cass Ave, Detroit, Michigan 48202, United States
- Barbara Ann Karmanos Cancer Institute, Detroit, Michigan 48201, United States
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Metabolic Profiling and Investigation of the Modulatory Effect of Fagonia cretica L. Aerial Parts on Hepatic CYP3A4 and UGT2B7 Enzymes in Streptozotocin-Induced Diabetic Model. Antioxidants (Basel) 2023; 12:antiox12010119. [PMID: 36670981 PMCID: PMC9854966 DOI: 10.3390/antiox12010119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 12/18/2022] [Accepted: 12/27/2022] [Indexed: 01/06/2023] Open
Abstract
Drug-metabolizing enzymes are either boosted or suppressed by diabetes mellitus. This research was designed to explore Fagonia cretica L. aerial parts' impact on CYP3A4 and UGT2B7 activity and their mRNA expression in diabetic rats. Fagonia cretica (F. cretica) dried powder was sequentially extracted with n-hexane, chloroform, ethyl acetate, methanol, and water. The methanol extract and aqueous fraction presented the most significant potential to decrease the concentration of alpha-hydroxyl midazolam, with 176.0 ± 0.85 mg/Kg and 182.9 ± 0.99 mg/Kg, respectively, compared to the streptozotocin (STZ)-induced diabetic group, reflecting the inhibition in CYP3A4 activity. The fold change in mRNA expression of CYP3A4 was decreased significantly by the methanol extract, and the aqueous fraction of F. cretica estimated by 0.15 ± 0.002 and 0.16 ± 0.001, respectively, compared with the diabetic group. Morphine metabolism was significantly increased in rats treated with F. cretica methanol extract and its aqueous fraction, displaying 93.4 ± 0.96 mg/Kg and 96.4 ± 1.27 mg/Kg, respectively, compared with the metabolism of morphine in the diabetic group, which highlights the induction of UGT2B7 activity. The fold change in mRNA expression of UGT2B7 was significantly increased by the methanol extract and the aqueous fraction, estimated at 8.14 ± 0.26 and 7.17 ± 0.23 respectively, compared to the diabetic group. Phytochemical analysis was performed using high-performance liquid chromatography (HPLC), where the methanol extract showed more flavonoids and phenolic compounds compared to the aqueous fraction of F. cretica. The obtained results were further consolidated by molecular docking studies, where quercetin showed the best fitting within the active pocket of CYP3A4, followed by gallic acid, displaying free binding energies (∆G) of -30.83 and -23.12 kcal/mol, respectively. Thus, F. cretica could serve as a complementary medicine with standard anti-diabetic therapy that can modulate the activity of the drug-metabolizing enzymes.
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What Is Known about Midazolam? A Bibliometric Approach of the Literature. Healthcare (Basel) 2022; 11:healthcare11010096. [PMID: 36611556 PMCID: PMC9819597 DOI: 10.3390/healthcare11010096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Revised: 11/24/2022] [Accepted: 11/25/2022] [Indexed: 12/30/2022] Open
Abstract
Midazolam is a drug with actions towards the central nervous system producing sedative and anticonvulsants effects, used for sedation and seizures treatments. A better understanding about its effects in the different scenarios presented in the literature could be helpful to gather information regarding its clinical indications, pharmacological interactions, and adverse events. From this perspective, the aim of this study was to analyze the global research about midazolam mapping, specifically the knowledge of the 100 most-cited papers about this research field. For this, a search was executed on the Web of Science-Core Collection database using bibliometric methodological tools. The search strategy retrieved 34,799 articles. A total of 170 articles were evaluated, with 70 articles being excluded for not meeting the inclusion criteria. The 100 most-cited articles rendered 42,480 citations on WoS-CC, ranging from 253 to 1744. Non-systematic review was the most published study type, mainly from North America, during the period of 1992 to 2002. The most frequent keywords were midazolam and pharmacokinetics. Regarding the authors, Thummel and Kunze were the ones with the greatest number of papers included. Our findings showed the global research trends about midazolam, mainly related to its different effects and uses throughout the time.
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Rodrigues AD, Wood LS, Vourvahis M, Rowland A. Leveraging Human Plasma-Derived Small Extracellular Vesicles as Liquid Biopsy to Study the Induction of Cytochrome P450 3A4 by Modafinil. Clin Pharmacol Ther 2022; 111:425-434. [PMID: 34623637 DOI: 10.1002/cpt.2440] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Accepted: 10/03/2021] [Indexed: 01/01/2023]
Abstract
Preparations of plasma-derived small extracellular vesicles (sEVs) were deployed as liquid biopsy to study cytochrome P450 (CYP) 3A4 (CYP3A4) induction following modafinil 400 mg once daily × 14 days (young healthy volunteers, N = 10 subjects). Induction was confirmed using the 4β-hydroxycholesterol-to-cholesterol (4βHC/C) ratio, a plasma CYP3A4/5 biomarker, with a mean 2.1-fold increase (Day 15 vs. Day 1; 90% confidence interval (CI) = 1.8-2.3; P value = 0.0004). Proteomic analysis revealed the induction (mean Day 15 vs. Day 1 fold-increase (90% CI)) of both liver (1.3 (1.1-1.5), P value = 0.014) and nonliver (1.9 (1.6-2.2), P value = 0.04) sEV CYP3A4 protein expression. In CYP3A5 nonexpresser subjects, the baseline (pre-dose) 4βHC/C plasma ratio was more highly correlated with liver sEVs (r = 0.937, P value = 0.001) than nonliver sEVs (r = 0.619, P value = 0.101) CYP3A4 protein expression. When CYP3A5 expressers (CYP3A5*1/*3) were included, the correlation with liver sEVs (r = 0.761, P value = 0.011) and nonliver sEVs (r = 0.391, P value = 0.264) CYP3A4 protein was weaker. Although modafinil-induced changes in plasma 4βHC/C ratio did not correlate with sEVs CYP3A4 protein expression, the individual subject sEVs proteomic data were used successfully to predict victim drug (midazolam, triazolam, dextromethorphan, 17α-ethinylestradiol, and abemaciclib) area under the plasma concentration-time curve (AUC) ratios (AUCRs) following modafinil. Based on the AUCR values, modafinil was classified as a weak to moderate CYP3A4 inducer (vs. rifampicin). For the first time, it was possible to deploy plasma-derived sEVs to study CYP3A4 induction beyond rifampicin, a more potent CYP3A4 inducer.
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Affiliation(s)
- A David Rodrigues
- Absorption, Distribution, Metabolism, and Elimination Sciences, Medicine Design, Worldwide Research & Development, Pfizer Inc, Groton, Connecticut, USA
| | - Linda S Wood
- Pharmacogenomics, Precision Medicine, Worldwide Research & Development, Pfizer Inc, Groton, Connecticut, USA
| | - Manoli Vourvahis
- Clinical Pharmacology, Global Product Development, Pfizer Inc, New York, New York, USA
| | - Andrew Rowland
- College of Medicine and Public Health, Flinders University, Adelaide, South Australia, Australia
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10
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Nassar YM, Hohmann N, Michelet R, Gottwalt K, Meid AD, Burhenne J, Huisinga W, Haefeli WE, Mikus G, Kloft C. Quantification of the Time Course of CYP3A Inhibition, Activation, and Induction Using a Population Pharmacokinetic Model of Microdosed Midazolam Continuous Infusion. Clin Pharmacokinet 2022; 61:1595-1607. [PMID: 36195807 PMCID: PMC9652212 DOI: 10.1007/s40262-022-01175-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/21/2022] [Indexed: 01/31/2023]
Abstract
BACKGROUND Cytochrome P450 (CYP) 3A contributes to the metabolism of many approved drugs. CYP3A perpetrator drugs can profoundly alter the exposure of CYP3A substrates. However, effects of such drug-drug interactions are usually reported as maximum effects rather than studied as time-dependent processes. Identification of the time course of CYP3A modulation can provide insight into when significant changes to CYP3A activity occurs, help better design drug-drug interaction studies, and manage drug-drug interactions in clinical practice. OBJECTIVE We aimed to quantify the time course and extent of the in vivo modulation of different CYP3A perpetrator drugs on hepatic CYP3A activity and distinguish different modulatory mechanisms by their time of onset, using pharmacologically inactive intravenous microgram doses of the CYP3A-specific substrate midazolam, as a marker of CYP3A activity. METHODS Twenty-four healthy individuals received an intravenous midazolam bolus followed by a continuous infusion for 10 or 36 h. Individuals were randomized into four arms: within each arm, two individuals served as a placebo control and, 2 h after start of the midazolam infusion, four individuals received the CYP3A perpetrator drug: voriconazole (inhibitor, orally or intravenously), rifampicin (inducer, orally), or efavirenz (activator, orally). After midazolam bolus administration, blood samples were taken every hour (rifampicin arm) or every 15 min (remaining study arms) until the end of midazolam infusion. A total of 1858 concentrations were equally divided between midazolam and its metabolite, 1'-hydroxymidazolam. A nonlinear mixed-effects population pharmacokinetic model of both compounds was developed using NONMEM®. CYP3A activity modulation was quantified over time, as the relative change of midazolam clearance encountered by the perpetrator drug, compared to the corresponding clearance value in the placebo arm. RESULTS Time course of CYP3A modulation and magnitude of maximum effect were identified for each perpetrator drug. While efavirenz CYP3A activation was relatively fast and short, reaching a maximum after approximately 2-3 h, the induction effect of rifampicin could only be observed after 22 h, with a maximum after approximately 28-30 h followed by a steep drop to almost baseline within 1-2 h. In contrast, the inhibitory impact of both oral and intravenous voriconazole was prolonged with a steady inhibition of CYP3A activity followed by a gradual increase in the inhibitory effect until the end of sampling at 8 h. Relative maximum clearance changes were +59.1%, +46.7%, -70.6%, and -61.1% for efavirenz, rifampicin, oral voriconazole, and intravenous voriconazole, respectively. CONCLUSIONS We could distinguish between different mechanisms of CYP3A modulation by the time of onset. Identification of the time at which clearance significantly changes, per perpetrator drug, can guide the design of an optimal sampling schedule for future drug-drug interaction studies. The impact of a short-term combination of different perpetrator drugs on the paradigm CYP3A substrate midazolam was characterized and can define combination intervals in which no relevant interaction is to be expected. CLINICAL TRIAL REGISTRATION The trial was registered at the European Union Drug Regulating Authorities for Clinical Trials (EudraCT-No. 2013-004869-14).
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Affiliation(s)
- Yomna M. Nassar
- grid.14095.390000 0000 9116 4836Department of Clinical Pharmacy and Biochemistry, Institute of Pharmacy, Freie Universität Berlin, Kelchstr. 31, 12169 Berlin, Germany ,grid.14095.390000 0000 9116 4836Graduate Research Training Program PharMetrX, Freie Universität Berlin/University of Potsdam, Berlin/Potsdam, Germany
| | - Nicolas Hohmann
- grid.7700.00000 0001 2190 4373Department of Clinical Pharmacology and Pharmacoepidemiology, University of Heidelberg, Heidelberg, Germany
| | - Robin Michelet
- grid.14095.390000 0000 9116 4836Department of Clinical Pharmacy and Biochemistry, Institute of Pharmacy, Freie Universität Berlin, Kelchstr. 31, 12169 Berlin, Germany
| | - Katharina Gottwalt
- grid.7700.00000 0001 2190 4373Department of Clinical Pharmacology and Pharmacoepidemiology, University of Heidelberg, Heidelberg, Germany
| | - Andreas D. Meid
- grid.7700.00000 0001 2190 4373Department of Clinical Pharmacology and Pharmacoepidemiology, University of Heidelberg, Heidelberg, Germany
| | - Jürgen Burhenne
- grid.7700.00000 0001 2190 4373Department of Clinical Pharmacology and Pharmacoepidemiology, University of Heidelberg, Heidelberg, Germany
| | - Wilhelm Huisinga
- grid.11348.3f0000 0001 0942 1117Institute of Mathematics, University of Potsdam, Potsdam, Germany
| | - Walter E. Haefeli
- grid.7700.00000 0001 2190 4373Department of Clinical Pharmacology and Pharmacoepidemiology, University of Heidelberg, Heidelberg, Germany
| | - Gerd Mikus
- grid.14095.390000 0000 9116 4836Department of Clinical Pharmacy and Biochemistry, Institute of Pharmacy, Freie Universität Berlin, Kelchstr. 31, 12169 Berlin, Germany ,grid.7700.00000 0001 2190 4373Department of Clinical Pharmacology and Pharmacoepidemiology, University of Heidelberg, Heidelberg, Germany
| | - Charlotte Kloft
- grid.14095.390000 0000 9116 4836Department of Clinical Pharmacy and Biochemistry, Institute of Pharmacy, Freie Universität Berlin, Kelchstr. 31, 12169 Berlin, Germany
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11
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Saito K, Shinozuka T, Nakao A, Kunikata T, Nakai D, Nagai Y, Naito S. Discovery of 3-amino-4-{(3S)-3-[(2-ethoxyethoxy)methyl]piperidin-1-yl}thieno[2,3-b]pyridine-2-carboxamide (DS96432529): A potent and orally active bone anabolic agent. Bioorg Med Chem Lett 2021; 54:128440. [PMID: 34742889 DOI: 10.1016/j.bmcl.2021.128440] [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: 09/09/2021] [Revised: 10/09/2021] [Accepted: 10/29/2021] [Indexed: 10/19/2022]
Abstract
The continuing investigation of SAR of 3-aminothieno[2,3-b]pyridine-2-carboxamide derivatives has been described. In this study, C4-piperidine derivatives with polar functional groups were synthesized to develop orally available bone anabolic agents. The optimized compound 9o (DS96432529), which exhibited the best PK profile and high in vitro activity, showed the highest in vivo efficacy in this series. Moreover, significant synergistic effects were observed following co-administration of DS96432529 and alendronate or parathyroid hormone. The mechanism of action is most likely mediated through CDK8 inhibition.
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Affiliation(s)
- Keiji Saito
- R&D Division, Daiichi Sankyo Co., Ltd., 1-2-58 Hiromachi, Shinagawa-ku, Tokyo 140-8710, Japan.
| | - Tsuyoshi Shinozuka
- R&D Division, Daiichi Sankyo Co., Ltd., 1-2-58 Hiromachi, Shinagawa-ku, Tokyo 140-8710, Japan
| | - Akira Nakao
- R&D Division, Daiichi Sankyo Co., Ltd., 1-2-58 Hiromachi, Shinagawa-ku, Tokyo 140-8710, Japan
| | - Tomonori Kunikata
- R&D Division, Daiichi Sankyo Co., Ltd., 1-2-58 Hiromachi, Shinagawa-ku, Tokyo 140-8710, Japan
| | - Daisuke Nakai
- R&D Division, Daiichi Sankyo Co., Ltd., 1-2-58 Hiromachi, Shinagawa-ku, Tokyo 140-8710, Japan
| | - Yoko Nagai
- R&D Division, Daiichi Sankyo Co., Ltd., 1-2-58 Hiromachi, Shinagawa-ku, Tokyo 140-8710, Japan
| | - Satoru Naito
- R&D Division, Daiichi Sankyo Co., Ltd., 1-2-58 Hiromachi, Shinagawa-ku, Tokyo 140-8710, Japan
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12
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Miyauchi Y, Takechi S, Ishii Y. Functional Interaction between Cytochrome P450 and UDP-Glucuronosyltransferase on the Endoplasmic Reticulum Membrane: One of Post-translational Factors Which Possibly Contributes to Their Inter-Individual Differences. Biol Pharm Bull 2021; 44:1635-1644. [PMID: 34719641 DOI: 10.1248/bpb.b21-00286] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Cytochrome P450 (P450) and uridine 5'-diphosphate (UDP)-glucuronosyltransferase (UGT) catalyze oxidation and glucuronidation in drug metabolism, respectively. It is believed that P450 and UGT work separately because they perform distinct reactions and exhibit opposite membrane topologies on the endoplasmic reticulum (ER). However, given that some chemicals are sequentially metabolized by P450 and UGT, it is reasonable to consider that the enzymes may interact and work cooperatively. Previous research by our team detected protein-protein interactions between P450 and UGT by analyzing solubilized rat liver microsomes with P450-immobilized affinity column chromatography. Although P450 and UGT have been known to form homo- and hetero-oligomers, this is the first report indicating a P450-UGT association. Based on our previous study, we focused on the P450-UGT interaction and reported lines of evidence that the P450-UGT association is a functional protein-protein interaction that can alter the enzymatic capabilities, including enhancement or suppression of the activities of P450 and UGT, helping UGT to acquire novel regioselectivity, and inhibiting substrate binding to P450. Biochemical and molecular bioscientific approaches suggested that P450 and UGT interact with each other at their internal hydrophobic domains in the ER membrane. Furthermore, several in vivo studies have reported the presence of a functional P450-UGT association under physiological conditions. The P450-UGT interaction is expected to function as a novel post-translational factor for inter-individual differences in the drug-metabolizing enzymes.
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Affiliation(s)
- Yuu Miyauchi
- Laboratory of Hygienic Chemistry, Faculty of Pharmaceutical Sciences, Sojo University.,Division of Pharmaceutical Cell Biology, Graduate School of Pharmaceutical Sciences, Kyushu University
| | - Shinji Takechi
- Laboratory of Hygienic Chemistry, Faculty of Pharmaceutical Sciences, Sojo University
| | - Yuji Ishii
- Division of Pharmaceutical Cell Biology, Graduate School of Pharmaceutical Sciences, Kyushu University.,Laboratory of Molecular Life Sciences, Graduate School of Pharmaceutical Sciences, Kyushu University
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13
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Chen Y, Tang Y, Nie JZ, Zhang Y, Nie D. Megestrol acetate is a specific inducer of CYP3A4 mediated by human pregnane X receptor. Cancer Chemother Pharmacol 2021; 88:985-996. [PMID: 34524495 DOI: 10.1007/s00280-021-04352-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Accepted: 09/01/2021] [Indexed: 11/28/2022]
Abstract
PURPOSE Megestrol acetate is a synthetic progestogen used to treat some cancers and cancer-associated cachexia, but its potential interactions with other drugs are not well known. This study aims to determine the regulation of drug metabolizing enzymes by megestrol acetate. METHODS Primary human hepatocytes were treated and analyzed by PCR array to identify genes involved in drug metabolism that are impacted by megestrol acetate. P450 3A4 (CYP3A4) reporter gene assay and HPLC analyses of nifedipine metabolites were used to determine CYP3A4 gene expression and activities. Competitive ligand binding assay was used to determine the affinity of megestrol acetate toward human pregnane x receptor (hPXR). Electrophoretic mobility shift assay and mammalian two hybrid assay were used to determine the mechanism of megestrol to activate hPXR. RESULTS The levels and activities of CYP3A4 were significantly induced (> 4-folds) by megestrol acetate in human hepatocytes and HepG2 cells. Megestrol treatment induced CYP3A4 through the activation of hPXR, a ligand-activated transcription factor that plays a role in drug metabolism and transport. Other tested nuclear receptors showed no response. The mechanism studies showed that megestrol activated hPXR by binding to the ligand binding domain (LBD) of hPXR and increasing the recruitment of the cofactors such as steroid receptor cofactor (SRC-1). CONCLUSION The results suggest that megestrol acetate is a specific inducer of CYP3A4 mediated by hPXR and therefore has the potential to cause drug interactions, especially in the co-administration with drugs that are substrates of CYP3A4.
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Affiliation(s)
- Yakun Chen
- Department of Medical Microbiology, Immunology and Cell Biology, Southern Illinois University School of Medicine and Simmons Cancer Institute, Springfield, IL, 62794-9626, USA
| | - Yong Tang
- Department of Medical Microbiology, Immunology and Cell Biology, Southern Illinois University School of Medicine and Simmons Cancer Institute, Springfield, IL, 62794-9626, USA
| | - Jeffrey Z Nie
- Department of Medical Microbiology, Immunology and Cell Biology, Southern Illinois University School of Medicine and Simmons Cancer Institute, Springfield, IL, 62794-9626, USA
| | - Yuanqin Zhang
- Department of Medical Microbiology, Immunology and Cell Biology, Southern Illinois University School of Medicine and Simmons Cancer Institute, Springfield, IL, 62794-9626, USA
| | - Daotai Nie
- Department of Medical Microbiology, Immunology and Cell Biology, Southern Illinois University School of Medicine and Simmons Cancer Institute, Springfield, IL, 62794-9626, USA.
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14
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Abstract
There are many factors which are known to cause variability in human in vitro enzyme kinetic data. Factors such as the source of enzyme and how it was prepared, the genetics and background of the donor, how the in vitro studies are designed, and how the data are analyzed contribute to variability in the resulting kinetic parameters. It is important to consider not only the factors which cause variability within an experiment, such as selection of a probe substrate, but also those that cause variability when comparing kinetic data across studies and laboratories. For example, the artificial nature of the microsomal lipid membrane and microenvironment in some recombinantly expressed enzymes, relative to those found in native tissue microsomes, has been shown to influence enzyme activity and thus can be a source of variability when comparing across the two different systems. All of these factors, and several others, are discussed in detail in the chapter below. In addition, approaches which can be used to visualize the uncertainty arising from the use of enzyme kinetic data within the context of predicting human pharmacokinetics are discussed.
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15
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Metabolism of Diterpenoids Derived from the Bark of Cinnamomum cassia in Human Liver Microsomes. Pharmaceutics 2021; 13:pharmaceutics13081316. [PMID: 34452277 PMCID: PMC8400920 DOI: 10.3390/pharmaceutics13081316] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 08/17/2021] [Accepted: 08/20/2021] [Indexed: 11/30/2022] Open
Abstract
Cinnamomum cassia L. is used as a spice and flavoring agent as well as a traditional medicine worldwide. Diterpenoids, a class of compounds present in C. cassia, have various pharmacological effects, such as anti-inflammatory, antitumor, and antibacterial activities; however, there are insufficient studies on the metabolism of diterpenoids. In this study, the metabolism of seven diterpenoids, namely, anhydrocinnzeylanol, anhydrocinnzeylanine (AHC), cinncassiol A, cinncassiol B, cinnzeylanol, cinnzeylanone, and cinnzeylanine, obtained from the bark of C. cassia was studied in human liver microsomes (HLMs). All studied diterpenoids, except for AHC, exhibited strong metabolic stability; however, AHC was rapidly metabolized to 3% in HLMs in the presence of β-NADPH. Using a high-resolution quadrupole-orbitrap mass spectrometer, 20 metabolites were identified as dehydrogenated metabolites (M1–M3), dehydrogenated and oxidated metabolites (M4–M10), mono-oxidated metabolites (M11–M13), or dioxidated metabolites (M14–M20). In addition, CYP isoforms involved in AHC metabolism were determined by profiling metabolites produced after incubation in 11 recombinant cDNA-expressed CYP isoforms. Thus, the diterpenoid compound AHC was identified in a metabolic pathway involving CYP3A4 in HLMs.
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16
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Toupin N, Steinke SJ, Nadella S, Li A, Rohrabaugh TN, Samuels ER, Turro C, Sevrioukova IF, Kodanko JJ. Photosensitive Ru(II) Complexes as Inhibitors of the Major Human Drug Metabolizing Enzyme CYP3A4. J Am Chem Soc 2021; 143:9191-9205. [PMID: 34110801 DOI: 10.1021/jacs.1c04155] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
We report the synthesis and photochemical and biological characterization of the first selective and potent metal-based inhibitors of cytochrome P450 3A4 (CYP3A4), the major human drug metabolizing enzyme. Five Ru(II)-based derivatives were prepared from two analogs of the CYP3A4 inhibitor ritonavir, 4 and 6: [Ru(tpy)(L)(6)]Cl2 (tpy = 2,2':6',2″-terpyridine) with L = 6,6'-dimethyl-2,2'-bipyridine (Me2bpy; 8), dimethylbenzo[i]dipyrido[3,2-a:2',3'-c]phenazine (Me2dppn; 10) and 3,6-dimethyl-10,15-diphenylbenzo[i]dipyrido[3,2-a:2',3'-c]phenazine (Me2Ph2dppn; 11), [Ru(tpy)(Me2bpy)(4)]Cl2 (7) and [Ru(tpy)(Me2dppn)(4)]Cl2 (9). Photochemical release of 4 or 6 from 7-11 was demonstrated, and the spectrophotometric evaluation of 7 showed that it behaves similarly to free 4 (type II heme ligation) after irradiation with visible light but not in the dark. Unexpectedly, the intact Ru(II) complexes 7 and 8 were found to inhibit CYP3A4 potently and specifically through direct binding to the active site without heme ligation. Caged inhibitors 9-11 showed dual action properties by combining photoactivated dissociation of 4 or 6 with efficient 1O2 production. In prostate adenocarcinoma DU-145 cells, compound 9 had the best synergistic effect with vinblastine, the anticancer drug primarily metabolized by CYP3A4 in vivo. Thus, our study establishes a new paradigm in CYP inhibition using metalated complexes and suggests possible utilization of photoactive CYP3A4 inhibitory compounds in clinical applications, such as enhancement of therapeutic efficacy of anticancer drugs.
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Affiliation(s)
- Nicholas Toupin
- Department of Chemistry, Wayne State University, 5101 Cass Avenue, Detroit, Michigan 48202, United States
| | - Sean J Steinke
- Department of Chemistry and Biochemistry, The Ohio State University, Columbus, Ohio 43210, United States
| | - Sandeep Nadella
- Department of Chemistry, Wayne State University, 5101 Cass Avenue, Detroit, Michigan 48202, United States
| | - Ao Li
- Department of Chemistry, Wayne State University, 5101 Cass Avenue, Detroit, Michigan 48202, United States
| | - Thomas N Rohrabaugh
- Department of Chemistry and Biochemistry, The Ohio State University, Columbus, Ohio 43210, United States
| | | | - Claudia Turro
- Department of Chemistry and Biochemistry, The Ohio State University, Columbus, Ohio 43210, United States
| | | | - Jeremy J Kodanko
- Department of Chemistry, Wayne State University, 5101 Cass Avenue, Detroit, Michigan 48202, United States.,Barbara Ann Karmanos Cancer Institute, Detroit, Michigan 48201, United States
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17
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Chen J, Liu J, Huang Y, Li R, Ma C, Zhang B, Wu F, Yu W, Zuo X, Liang Y, Wang Q. Insights into oral bioavailability enhancement of therapeutic herbal constituents by cytochrome P450 3A inhibition. Drug Metab Rev 2021; 53:491-507. [PMID: 33905669 DOI: 10.1080/03602532.2021.1917598] [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
Herbal plants typically have complex compositions and diverse mechanisms. Among them, bioactive constituents with relatively high exposure in vivo are likely to exhibit therapeutic efficacy. On the other hand, their bioavailability may be influenced by the synergistic effects of different bioactive components. Cytochrome P450 3A (CYP3A) is one of the most abundant CYP enzymes, responsible for the metabolism of 50% of approved drugs. In recent years, many therapeutic herbal constituents have been identified as CYP3A substrates. It is more evident that CYP3A inhibition derived from the herbal formula plays a critical role in improving the oral bioavailability of therapeutic constituents. CYP3A inhibition may be the mechanism of the synergism of herbal formula. In this review, we explored the multiplicity of CYP3A, summarized herbal monomers with CYP3A inhibitory effects, and evaluated herb-mediated CYP3A inhibition, thereby providing new insights into the mechanisms of CYP3A inhibition-mediated oral herb bioavailability.
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Affiliation(s)
- Junmei Chen
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China.,Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Jinman Liu
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China.,Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yueyue Huang
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China.,Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Ruoyu Li
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China.,Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Cuiru Ma
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China.,Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Beiping Zhang
- Department of Gastroenterology, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Fanchang Wu
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China.,Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Wenqian Yu
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China.,Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Xue Zuo
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China.,Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yong Liang
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China.,Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Qi Wang
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China.,Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, China
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18
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Tsai TH, Chen YJ, Wang LY, Hsieh CH. Impact of Local Liver Irradiation Concurrent Versus Sequential with Lenvatinib on Pharmacokinetics and Biodistribution. Cancers (Basel) 2021; 13:cancers13071598. [PMID: 33808407 PMCID: PMC8037784 DOI: 10.3390/cancers13071598] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Revised: 03/19/2021] [Accepted: 03/25/2021] [Indexed: 12/15/2022] Open
Abstract
Simple Summary Lenvatinib is a systemic treatment for patients with advanced hepatocellular carcinoma (HCC). Stereotactic body radiation therapy (SBRT) is an advanced technique of hypofractionated external beam radiotherapy (EBRT) that can be applied in patients with HCC. The current study showed that the area under the concentration–time curve of lenvatinib concentration (AUClenvatinib) increased by 148.8% with radiotherapy (RT)2Gy×3f’x (EBRT for the whole liver), and 68.9% with RT9Gy×3f’× (SBRT targeting a 1.5 × 1.5 cm region in the center of the liver) in the sequential regimen compared to the concurrent regimen in rats. Additionally, the AUClenvatinib was decreased by 50% in the concurrent regimen of both RT techniques with lenvatinib compared to the control group. The biodistribution of lenvatinib in the organs at risk was markedly decreased in the concurrent regimens. The radiation–drug interactions were between lenvatinib and RT, and showed sequential preferably. Abstract Concurrent and sequential regimens involving radiotherapy (RT) and lenvatinib were designed with off-target or stereotactic body radiation therapy (SBRT) doses in a freely moving rat model to evaluate the effect of RT on the pharmacokinetics (PK) of lenvatinib. Liver RT concurrent with lenvatinib decreased the area under the concentration–time curve of lenvatinib concentration (AUClenvatinib) by 51.1% with three fractions of 2 Gy (RT2Gy×3f’x, p = 0.03), and 48.9% with RT9Gy×3f’x (p = 0.03). The AUClenvatinib increased by 148.8% (p = 0.008) with RT2Gy×3f’x, and 68.9% (p = 0.009) with RT9Gy×3f’x in the sequential regimen compared to the concurrent regimen. There were no differences in the AUClenvatinib between RT2Gy×3f’x and RT9Gy×3f’x in the concurrent or sequential regimen. Both the RT2Gy×3f’x and RT9Gy×3f’x concurrent regimens markedly decreased the biodistribution of lenvatinib in the heart, liver, lung, spleen, and kidneys, which ranged from 31% to 100% for RT2Gy×3f’x, and 11% to 100% for RT9Gy×3f’x, compared to the sham regimen. The PK and biodistribution of lenvatinib can be modulated by simultaneous off-target irradiation and SBRT doses. The timing of lenvatinib administration with respect to RT, impacted the PK and biodistribution of the drug. Additionally, off-target and SBRT doses had a similar ability to modulate the effect of systemic therapy.
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Affiliation(s)
- Tung-Hu Tsai
- Institute of Traditional Medicine, School of Medicine, National Yang Ming Chiao Tung University, Taipei 112, Taiwan; (T.-H.T.); (Y.-J.C.)
| | - Yu-Jen Chen
- Institute of Traditional Medicine, School of Medicine, National Yang Ming Chiao Tung University, Taipei 112, Taiwan; (T.-H.T.); (Y.-J.C.)
- Departments of Radiation Oncology, Mackay Memorial Hospital, Taipei 104, Taiwan
- Department of Medical Research, China Medical University Hospital, Taichung 404, Taiwan
- Department of Nursing, MacKay Junior College of Medicine, Nursing and Management, Taipei 112, Taiwan
| | - Li-Ying Wang
- School and Graduate Institute of Physical Therapy, College of Medicine, National Taiwan University, Taipei 100, Taiwan;
- Physical Therapy Center, National Taiwan University Hospital, Taipei 100, Taiwan
| | - Chen-Hsi Hsieh
- Institute of Traditional Medicine, School of Medicine, National Yang Ming Chiao Tung University, Taipei 112, Taiwan; (T.-H.T.); (Y.-J.C.)
- Faculty of Medicine, School of Medicine, National Yang Ming Chiao Tung University, Taipei 112, Taiwan
- Division of Radiation Oncology, Department of Radiology, Far Eastern Memorial Hospital, New Taipei City 220, Taiwan
- Correspondence: or or ; Tel.: +886-2-8966-7000 (ext. 1033); Fax: +886-2-8966-0906
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19
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Lidberg KA, Annalora AJ, Jozic M, Elson DJ, Wang L, Bammler TK, Ramm S, Monteiro MB, Himmelfarb J, Marcus CB, Iversen PL, Kelly EJ. Antisense oligonucleotide development for the selective modulation of CYP3A5 in renal disease. Sci Rep 2021; 11:4722. [PMID: 33633318 PMCID: PMC7907328 DOI: 10.1038/s41598-021-84194-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Accepted: 02/10/2021] [Indexed: 11/09/2022] Open
Abstract
CYP3A5 is the primary CYP3A subfamily enzyme expressed in the human kidney and its aberrant expression may contribute to a broad spectrum of renal disorders. Pharmacogenetic studies have reported inconsistent linkages between CYP3A5 expression and hypertension, however, most investigators have considered CYP3A5*1 as active and CYP3A5*3 as an inactive allele. Observations of gender specific differences in CYP3A5*3/*3 protein expression suggest additional complexity in gene regulation that may underpin an environmentally responsive role for CYP3A5 in renal function. Reconciliation of the molecular mechanism driving conditional restoration of functional CYP3A5*3 expression from alternatively spliced transcripts, and validation of a morpholino-based approach for selectively suppressing renal CYP3A5 expression, is the focus of this work. Morpholinos targeting a cryptic splice acceptor created by the CYP3A5*3 mutation in intron 3 rescued functional CYP3A5 expression in vitro, and salt-sensitive cellular mechanisms regulating splicing and conditional expression of CYP3A5*3 transcripts are reported. The potential for a G-quadruplex (G4) in intron 3 to mediate restored splicing to exon 4 in CYP3A5*3 transcripts was also investigated. Finally, a proximal tubule microphysiological system (PT-MPS) was used to evaluate the safety profile of morpholinos in proximal tubule epithelial cells, highlighting their potential as a therapeutic platform for the treatment of renal disease.
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Affiliation(s)
- Kevin A Lidberg
- Department of Pharmaceutics, University of Washington, Seattle, WA, USA
| | - Andrew J Annalora
- Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR, USA.
| | - Marija Jozic
- Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR, USA
| | - Daniel J Elson
- Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR, USA
| | - Lu Wang
- Department of Environmental and Occupational Health Sciences, University of Washington, Seattle, WA, USA
| | - Theo K Bammler
- Department of Environmental and Occupational Health Sciences, University of Washington, Seattle, WA, USA
| | - Susanne Ramm
- Victorian Centre for Functional Genomics, Peter MacCallum Cancer Centre, Melbourne, Australia
| | - Maria Beatriz Monteiro
- Depto Clinica Medica, Faculdade de Medicina FMUSP, Universidade de Sao Paulo, São Paulo, Brazil
| | | | - Craig B Marcus
- Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR, USA
| | - Patrick L Iversen
- Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR, USA
| | - Edward J Kelly
- Department of Pharmaceutics, University of Washington, Seattle, WA, USA.
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20
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Bechtold B, Clarke J. Multi-factorial pharmacokinetic interactions: unraveling complexities in precision drug therapy. Expert Opin Drug Metab Toxicol 2020; 17:397-412. [PMID: 33339463 DOI: 10.1080/17425255.2021.1867105] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Introduction: Precision drug therapy requires accounting for pertinent factors in pharmacokinetic (PK) inter-individual variability (i.e., pharmacogenetics, diseases, polypharmacy, and natural product use) that can cause sub-therapeutic or adverse effects. Although each of these individual factors can alter victim drug PK, multi-factorial interactions can cause additive, synergistic, or opposing effects. Determining the magnitude and direction of these complex multi-factorial effects requires understanding the rate-limiting redundant and/or sequential PK processes for each drug.Areas covered: Perturbations in drug-metabolizing enzymes and/or transporters are integral to single- and multi-factorial PK interactions. Examples of single factor PK interactions presented include gene-drug (pharmacogenetic), disease-drug, drug-drug, and natural product-drug interactions. Examples of multi-factorial PK interactions presented include drug-gene-drug, natural product-gene-drug, gene-gene-drug, disease-natural product-drug, and disease-gene-drug interactions. Clear interpretation of multi-factorial interactions can be complicated by study design, complexity in victim drug PK, and incomplete mechanistic understanding of victim drug PK.Expert opinion: Incorporation of complex multi-factorial PK interactions into precision drug therapy requires advances in clinical decision tools, intentional PK study designs, drug-metabolizing enzyme and transporter fractional contribution determinations, systems and computational approaches (e.g., physiologically-based pharmacokinetic modeling), and PK phenotyping of progressive diseases.
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Affiliation(s)
- Baron Bechtold
- Department of Pharmaceutical Sciences, Washington State University, Spokane, WA, USA
| | - John Clarke
- Department of Pharmaceutical Sciences, Washington State University, Spokane, WA, USA
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21
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Metallodendrimer‐sensitised Cytochrome P450 3A4 Electrochemical Biosensor for TB Drugs. ELECTROANAL 2020. [DOI: 10.1002/elan.202060384] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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22
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Gu Z, Duan M, Sun Y, Leng T, Xu T, Gu Y, Gu Z, Lin Z, Yang L, Ji M. Effects of Vitamin D3 on Intestinal Flora in a Mouse Model of Inflammatory Bowel Disease Treated with Rifaximin. Med Sci Monit 2020; 26:e925068. [PMID: 33177483 PMCID: PMC7670830 DOI: 10.12659/msm.925068] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Rifaximin is an antimicrobial agent used to treat inflammatory bowel disease (IBD). Vitamin D3 can control IBD due to its effects on inflammatory cytokines. The purpose of this study was to assess the effect of vitamin D3 on the intestinal flora of a dextran sulfate sodium (DSS)-induced mouse model treated with rifaximin. MATERIAL AND METHODS The mouse model of IBD was developed using DSS (4%) administered via the drinking water. Twenty-four male C57BL6 mice were divided into the control group with a normal diet (N=6), the DSS group with a normal diet (N=6), the DSS group with a normal diet treated with rifaximin (N=6), and the DSS group with a normal diet treated with rifaximin and vitamin D3 (N=6). After 14 days, the colonic tissue was studied histologically. Serum levels of tumor necrosis factor-alpha (TNF-alpha) and interleukin-1ß (IL-1ß) and enzyme-linked immunosorbent assay (ELISA) were used to measure the level of IL-6 and P65, and phospho-p65 was measured by western blot. 16S rRNA gene sequencing was used to analyze fecal samples. RESULTS In the DSS mouse model of IBD, rifaximin reduced the inflammation severity of the colon and reduced the expression of phospho-p65, p65, TNF-alpha, and IL-6. In the DSS+rifaximin+vitamin D3 group, the therapeutic influences of rifaximin, in terms of weight loss and colonic disease activity, were significantly reduced, and the gut microbiota of the mice were completely changed in composition and diversity. CONCLUSIONS In a mouse model of IBD, treatment with vitamin D3 significantly increased the metabolism of rifaximin and reduced its therapeutic effects.
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Affiliation(s)
- Zijun Gu
- School of Nursing, Nanjing Medical University, Nanjing, Jiangsu, China (mainland)
| | - Mingxiu Duan
- School of Public Health, Bengbu Medical College, Bengbu, Anhui, China (mainland)
| | - Yan Sun
- School of Nursing, Nanjing Medical University, Nanjing, Jiangsu, China (mainland)
| | - Tian Leng
- School of Nursing, Nanjing Medical University, Nanjing, Jiangsu, China (mainland)
| | - Ting Xu
- School of Nursing, Nanjing Medical University, Nanjing, Jiangsu, China (mainland)
| | - Yang Gu
- School of Nursing, Nanjing Medical University, Nanjing, Jiangsu, China (mainland)
| | - Zejuan Gu
- School of Nursing, Nanjing Medical University, Nanjing, Jiangsu, China (mainland).,The First Affiliated Hospital with Nanjing Medical University, Nanjing, Jiangsu, China (mainland)
| | - Zheng Lin
- School of Nursing, Nanjing Medical University, Nanjing, Jiangsu, China (mainland).,The First Affiliated Hospital with Nanjing Medical University, Nanjing, Jiangsu, China (mainland)
| | - Lu Yang
- School of Nursing, Nanjing Medical University, Nanjing, Jiangsu, China (mainland)
| | - Minghui Ji
- School of Nursing, Nanjing Medical University, Nanjing, Jiangsu, China (mainland)
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23
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Simulation of Physicochemical and Pharmacokinetic Properties of Vitamin D 3 and Its Natural Derivatives. Pharmaceuticals (Basel) 2020; 13:ph13080160. [PMID: 32717896 PMCID: PMC7463465 DOI: 10.3390/ph13080160] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 07/12/2020] [Accepted: 07/20/2020] [Indexed: 12/19/2022] Open
Abstract
Vitamin D3 is an endogenous fat-soluble secosteroid, either biosynthesized in human skin or absorbed from diet and health supplements. Multiple hydroxylation reactions in several tissues including liver and small intestine produce different forms of vitamin D3. Low serum vitamin D levels is a global problem which may origin from differential absorption following supplementation. The objective of the present study was to estimate the physicochemical properties, metabolism, transport and pharmacokinetic behavior of vitamin D3 derivatives following oral ingestion. GastroPlus software, which is an in silico mechanistically-constructed simulation tool, was used to simulate the physicochemical and pharmacokinetic behavior for twelve vitamin D3 derivatives. The Absorption, Distribution, Metabolism, Excretion and Toxicity (ADMET) Predictor and PKPlus modules were employed to derive the relevant parameters from the structural features of the compounds. The majority of the vitamin D3 derivatives are lipophilic (log P values >5) with poor water solubility which are reflected in the poor predicted bioavailability. The fraction absorbed values for the vitamin D3 derivatives were low except for calcitroic acid, 1,23S,25-trihydroxy-24-oxo-vitamin D3, and (23S,25R)-1,25-dihydroxyvitamin D3-26,23-lactone each being greater than 90% fraction absorbed. Cytochrome P450 3A4 (CYP3A4) is the primary hepatic enzyme along with P-glycoprotein involved in the disposition of the vitamin D derivatives. Lipophilicity and solubility appear to be strongly associated with the oral absorption of the vitamin D3 derivatives. Understanding the ADME properties of vitamin D3 derivatives with the knowledge of pharmacological potency could influence the identification of pharmacokinetically most acceptable vitamin D3 derivative for routine supplementation.
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24
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Doostmohammadi M, Rahimi HR. ADME and toxicity considerations for tramadol: from basic research to clinical implications. Expert Opin Drug Metab Toxicol 2020; 16:627-640. [PMID: 32476523 DOI: 10.1080/17425255.2020.1776700] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
INTRODUCTION Tramadol is widely being used in chronic pain management for improving patients' life quality and reducing trauma. Although it is listed in several medicinal guidelines, its use is controversial because of the conflicting results obtained in pharmacokinetic/pharmacodynamic studies. This multi-receptor drug acts as µ1 opioid receptor agonist, monoamine reuptake inhibitor, and inhibitor of ligand-gated ion channels and some special protein-coupled receptors. AREAS COVERED This review provides a comprehensive view on the pharmacokinetic, pharmacodynamic, and toxicity of tramadol with a deep look on its side effects, biochemical and pathological changes, and possible drug interactions. In addition, the main ways of tramadol poisoning management describe according to in vivo and clinical trial studies. EXPERT OPINION Given the broad spectrum of targets, increasing the cases of overdoses and toxicity, and probable drugs interaction, it is necessary to take another look at the pharmacology of tramadol. Regarding the adverse effects of tramadol on different tissues, especially the nervous system and liver tissue, more attentions to tramadol metabolites, their interaction with other drugs, and active agents seem critical. Seizure as the most cited effect of tramadol and its destructive effects on tissues would alleviate by co-administration with drugs with antioxidant properties.
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Affiliation(s)
- Mohsen Doostmohammadi
- Pharmaceutics Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences , Kerman, Iran
| | - Hamid-Reza Rahimi
- Pharmaceutics Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences , Kerman, Iran.,Department of Pharmacology and Toxicology, Faculty of Pharmacy, Kerman University of Medical Sciences , Kerman, Iran
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25
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ADMET profiling of geographically diverse phytochemical using chemoinformatic tools. Future Med Chem 2019; 12:69-87. [PMID: 31793338 DOI: 10.4155/fmc-2019-0206] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Aim: Phytocompounds are important due to their uniqueness, however, only few reach the development phase due to their poor pharmacokinetics. Therefore, preassessing the absorption, distribution, metabolism, excretion and toxicity (ADMET) properties is essential in drug discovery. Methodology: Biologically diverse databases (Phytochemica, SerpentinaDB, SANCDB and NuBBEDB) covering the region of India, Brazil and South Africa were considered to predict the ADMET using chemoinformatic tools (Qikprop, pkCSM and DataWarrior). Results: Screening through each of pharmacokinetic criteria resulted in identification of 24 compounds that adhere to all the ADMET properties. Furthermore, assessment revealed that five have potent anticancer biological activity against cancer cell lines. Conclusion: We have established an open-access database (ADMET-BIS) to enable identification of promising molecules that follow ADMET properties and can be considered for drug development.
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26
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Akbulut M, Urun Y. Onco-cardiology: Drug-drug interactions of antineoplastic and cardiovascular drugs. Crit Rev Oncol Hematol 2019; 145:102822. [PMID: 31911396 DOI: 10.1016/j.critrevonc.2019.102822] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2017] [Revised: 03/28/2019] [Accepted: 10/17/2019] [Indexed: 11/28/2022] Open
Abstract
Cardiovascular diseases (CVD) and cancer are still the leading causes of death. There are many common etiologic factors, especially smoking and obesity. Therefore, it is not uncommon for CVD and cancer to coexist. Drug-drug interactions (DDIs) inevitably occur in this group of patients, where polypharmacy is increasing due to older age and multiple comorbidities. However, multidisciplinary studies, especially close collaboration of medical oncologists and cardiologists, who deals with the diagnosis and treatment of these diseases, awareness and preventive approaches to DDIs may reduce serious morbidity and mortality. In this review, information about the common treatments used in cardiology and oncology and possible DDIs are discussed.
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Affiliation(s)
- Muge Akbulut
- Department of Cardiology, Yuksekova State Hospital, Yuksekova, Hakkari, 30300, Turkey.
| | - Yuksel Urun
- Ankara University School of Medicine; Department of Medical Oncology, Ankara, Turkey; Ankara University Cancer Research Institute, Ankara, Turkey.
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27
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Miyauchi Y, Tanaka Y, Nagata K, Yamazoe Y, Mackenzie PI, Yamada H, Ishii Y. UDP-Glucuronosyltransferase (UGT)-mediated attenuations of cytochrome P450 3A4 activity: UGT isoform-dependent mechanism of suppression. Br J Pharmacol 2019; 177:1077-1089. [PMID: 31660580 DOI: 10.1111/bph.14900] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2018] [Revised: 09/19/2019] [Accepted: 09/28/2019] [Indexed: 01/19/2023] Open
Abstract
BACKGROUND AND PURPOSE Cytochrome P450 (CYP, P450) 3A4 is involved in the metabolism of 50% of drugs and its catalytic activity in vivo is not explained only by hepatic expression levels. We previously demonstrated that UDP-glucuronosyltransferase (UGT) 2B7 suppressed CYP3A4 activity through an interaction. In the present study, we target UGT1A9 as another candidate modulator of CYP3A4. EXPERIMENTAL APPROACH We prepared co-expressed enzymes using the baculovirus-insect cell expression system and compared CYP3A4 activity in the presence and absence of UGT1A9. Wistar rats were treated with dexamethasone and liver microsomes were used to elucidate the role of CYP3A-UGT1A interactions. KEY RESULTS UGT1A9 and UGT2B7 interacted with and suppressed CYP3A4. Kinetic analyses showed that both of the UGTs significantly reduced Vmax of CYP3A4 activity. In addition, C-terminal truncated mutants of UGT1A9 and UGT2B7 still retained the suppressive capacity. Dexamethasone treatment induced hepatic CYP3As and UGT1As at different magnitudes. Turnover of CYP3A was enhanced about twofold by this treatment. CONCLUSION AND IMPLICATIONS The changes of kinetic parameters suggested that UGT1A9 suppressed CYP3A4 activity with almost the same mechanism as UGT2B7. The luminal domain of UGTs contains the suppressive interaction site(s), whereas the C-terminal domain may contribute to modulating suppression in a UGT isoform-specific manner. CYP3A-UGT1A interaction seemed to be disturbed by dexamethasone treatment and the suppression was partially cancelled. CYP3A4-UGT interactions would help to better understand the causes of inter/intra-individual differences in CYP3A4 activity.
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Affiliation(s)
- Yuu Miyauchi
- Laboratory of Molecular Life Sciences, Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan.,Division of Pharmaceutical Cell Biology, Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
| | - Yoshitaka Tanaka
- Division of Pharmaceutical Cell Biology, Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
| | - Kiyoshi Nagata
- Department of Environmental and Health Science, School of Pharmaceutical Sciences, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Yasushi Yamazoe
- Food Safety Commission, Cabinet Office, Government of Japan, Tokyo, Japan
| | - Peter I Mackenzie
- Department of Clinical Pharmacology, Flinders Medical Centre and Flinders University, Adelaide, SA, Australia
| | - Hideyuki Yamada
- Laboratory of Molecular Life Sciences, Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
| | - Yuji Ishii
- Laboratory of Molecular Life Sciences, Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
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28
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Structural and clinical impact of anti-allergy agents: An overview. Bioorg Chem 2019; 94:103351. [PMID: 31668464 DOI: 10.1016/j.bioorg.2019.103351] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Revised: 10/04/2019] [Accepted: 10/08/2019] [Indexed: 02/06/2023]
Abstract
Allergic disorders are markedly rising in industrialized countries. The identification of compounds that trigger the immunoglobulin E (IgE)-dependent allergic reaction remain the means to improve the quality of life by limiting patient's exposure to critical allergens. Information concerning the treatment and onset of allergic disorders including atopic dermatitis, allergic rhinitis, and bronchial asthma has been provided by the research over the past decade. Recent studies also indicated that allergic inflammation is associated closely with their exacerbation and progression and indeed is the basic pathophysiology of allergic diseases. As a result of immunological and molecular biological studies our understanding of the mechanism of allergic inflammation with regard to therapeutic agents has improved. While much effort has been paid to developing a new anti-allergic agent, the allergic disease has yet to be completely conquered. The more extensive research will allow the development of new therapeutics to combat allergic diseases. Currently, with respect to mechanism of action anti-allergy drugs are classified into five types including histamine H1 antagonists, leukotriene antagonists, Th2 cytokine inhibitors, thromboxane A2 inhibitors and mediator-release inhibitors. The use of two or more anti-allergy agents together is not acknowledged at present, but this will be the subject of research in the future because with different mechanisms of action anti-allergy agents used at the same time will theoretically increase their effects. This review article focuses on anti-allergy agents highlighting their applications, clinical trials and recent advancement on drugs.
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29
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Zhou Y, Chung PY, Ma JYW, Lam AKY, Law S, Chan KW, Chan ASC, Li X, Lam KH, Chui CH, Tang JCO. Development of a Novel Quinoline Derivative as a P-Glycoprotein Inhibitor to Reverse Multidrug Resistance in Cancer Cells. BIOLOGY 2019; 8:biology8040075. [PMID: 31581572 PMCID: PMC6955663 DOI: 10.3390/biology8040075] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Revised: 09/26/2019] [Accepted: 09/27/2019] [Indexed: 12/12/2022]
Abstract
Multidrug resistance (MDR) is one of conventional cancer chemotherapy’s limitations. Our group previously synthesized a series of quinoline-based compounds in an attempt to identify novel anticancer agents. With a molecular docking analysis, the novel compound 160a was predicted to target p-glycoprotein, an MDR candidate. The purpose of this study is to evaluate 160a’s MDR reversal effect and investigate the underlying mechanism at the molecular level. To investigate 160a’s inhibitory effect, we used a series of parental cancer cell lines (A549, LCC6, KYSE150, and MCF-7), the corresponding doxorubicin-resistant cell lines, an MTS cytotoxicity assay, an intracellular doxorubicin accumulation test, and multidrug resistance assays. The Compusyn program confirmed, with a combination index (CI) value greater than 1, that 160a combined with doxorubicin exerts a synergistic effect. Intracellular doxorubicin accumulation and transported calcein acetoxymethyl (AM) (a substrate for p-glycoprotein) were both increased when cancer cells with MDR were treated with compound 160a. We also showed that compound 160a’s MDR reversal effect can persist for at least 1 h. Taken together, these results suggest that the quinoline compound 160a possesses high potential to reverse MDR by inhibiting p-glycoprotein-mediated drug efflux in cancer cells with MDR.
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Affiliation(s)
- Yuanyuan Zhou
- State Key Laboratory of Chemical Biology and Drug Discovery, Lo Ka Chung Centre for Natural Anticancer Drug Development, Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong 999077, China; (Y.Z.)
| | - Po-yee Chung
- State Key Laboratory of Chemical Biology and Drug Discovery, Lo Ka Chung Centre for Natural Anticancer Drug Development, Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong 999077, China; (Y.Z.)
| | - Jessica Yuen-wuen Ma
- School of Optometry, The Hong Kong Polytechnic University, Hong Kong 999077, China;
| | - Alfred King-yin Lam
- Griffith Medical School, Griffith University, Gold Coast, QLD 4222, Australia;
| | - Simon Law
- Department of Surgery, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong 999077, China;
| | - Kwok-wah Chan
- Department of Pathology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong 999077, China;
| | - Albert Sun-chi Chan
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China; (A.S.-c.C.); (X.L.)
| | - Xingshu Li
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China; (A.S.-c.C.); (X.L.)
| | - Kim-hung Lam
- State Key Laboratory of Chemical Biology and Drug Discovery, Lo Ka Chung Centre for Natural Anticancer Drug Development, Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong 999077, China; (Y.Z.)
- Correspondence: (K.-h.L.); (C.-h.C.); (J.C.-o.T.); Tel.: +852-3400-8705 (K.-h.L.); +852-3400-8748 (C.-h.C.); +852-3400-8727 (J.C.-o.T.); Fax: +852-3013-8935 (K.-h.L.); +852-3013-8935 (C.-h.C.); +852-3013-8935 (J.C.-o.T.)
| | - Chung-hin Chui
- State Key Laboratory of Chemical Biology and Drug Discovery, Lo Ka Chung Centre for Natural Anticancer Drug Development, Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong 999077, China; (Y.Z.)
- Correspondence: (K.-h.L.); (C.-h.C.); (J.C.-o.T.); Tel.: +852-3400-8705 (K.-h.L.); +852-3400-8748 (C.-h.C.); +852-3400-8727 (J.C.-o.T.); Fax: +852-3013-8935 (K.-h.L.); +852-3013-8935 (C.-h.C.); +852-3013-8935 (J.C.-o.T.)
| | - Johnny Cheuk-on Tang
- State Key Laboratory of Chemical Biology and Drug Discovery, Lo Ka Chung Centre for Natural Anticancer Drug Development, Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong 999077, China; (Y.Z.)
- Correspondence: (K.-h.L.); (C.-h.C.); (J.C.-o.T.); Tel.: +852-3400-8705 (K.-h.L.); +852-3400-8748 (C.-h.C.); +852-3400-8727 (J.C.-o.T.); Fax: +852-3013-8935 (K.-h.L.); +852-3013-8935 (C.-h.C.); +852-3013-8935 (J.C.-o.T.)
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Paudel S, Shrestha A, Cho P, Shrestha R, Kim Y, Lee T, Kim JH, Jeong TC, Lee ES, Lee S. Assessing Drug Interaction and Pharmacokinetics of Loxoprofen in Mice Treated with CYP3A Modulators. Pharmaceutics 2019; 11:pharmaceutics11090479. [PMID: 31527544 PMCID: PMC6781309 DOI: 10.3390/pharmaceutics11090479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 09/11/2019] [Accepted: 09/12/2019] [Indexed: 11/16/2022] Open
Abstract
Loxoprofen (LOX) is a non-selective cyclooxygenase inhibitor that is widely used for the treatment of pain and inflammation caused by chronic and transitory conditions. Its alcoholic metabolites are formed by carbonyl reductase (CR) and they consist of trans-LOX, which is active, and cis-LOX, which is inactive. In addition, LOX can also be converted into an inactive hydroxylated metabolite (OH-LOXs) by cytochrome P450 (CYP). In a previous study, we reported that CYP3A4 is primarily responsible for the formation of OH-LOX in human liver microsomes. Although metabolism by CYP3A4 does not produce active metabolites, it can affect the conversion of LOX into trans-/cis-LOX, since CYP3A4 activity modulates the substrate LOX concentration. Although the pharmacokinetics (PK) and metabolism of LOX have been well defined, its CYP-related interactions have not been fully characterized. Therefore, we investigated the metabolism of LOX after pretreatment with dexamethasone (DEX) and ketoconazole (KTC), which induce and inhibit the activities of CYP3A, respectively. We monitored their effects on the PK parameters of LOX, cis-LOX, and trans-LOX in mice, and demonstrated that their PK parameters significantly changed in the presence of DEX or KTC pretreatment. Specifically, DEX significantly decreased the concentration of the LOX active metabolite formed by CR, which corresponded to an increased concentration of OH-LOX formed by CYP3A4. The opposite result occurred with KTC (a CYP3A inhibitor) pretreatment. Thus, we conclude that concomitant use of LOX with CYP3A modulators may lead to drug–drug interactions and result in minor to severe toxicity even though there is no direct change in the metabolic pathway that forms the LOX active metabolite.
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Affiliation(s)
- Sanjita Paudel
- BK21 Plus KNU Multi-Omics based Creative Drug Research Team, College of Pharmacy, Research Institute of Pharmaceutical Sciences, Kyungpook National University, Daegu 41566, Korea.
| | | | - Piljoung Cho
- BK21 Plus KNU Multi-Omics based Creative Drug Research Team, College of Pharmacy, Research Institute of Pharmaceutical Sciences, Kyungpook National University, Daegu 41566, Korea.
| | - Riya Shrestha
- BK21 Plus KNU Multi-Omics based Creative Drug Research Team, College of Pharmacy, Research Institute of Pharmaceutical Sciences, Kyungpook National University, Daegu 41566, Korea.
| | - Younah Kim
- BK21 Plus KNU Multi-Omics based Creative Drug Research Team, College of Pharmacy, Research Institute of Pharmaceutical Sciences, Kyungpook National University, Daegu 41566, Korea.
| | - Taeho Lee
- BK21 Plus KNU Multi-Omics based Creative Drug Research Team, College of Pharmacy, Research Institute of Pharmaceutical Sciences, Kyungpook National University, Daegu 41566, Korea.
| | - Ju-Hyun Kim
- College of Pharmacy, Yeungnam University, Gyeongsan 38541, Korea.
| | - Tae Cheon Jeong
- College of Pharmacy, Yeungnam University, Gyeongsan 38541, Korea.
| | - Eung-Seok Lee
- College of Pharmacy, Yeungnam University, Gyeongsan 38541, Korea.
| | - Sangkyu Lee
- BK21 Plus KNU Multi-Omics based Creative Drug Research Team, College of Pharmacy, Research Institute of Pharmaceutical Sciences, Kyungpook National University, Daegu 41566, Korea.
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31
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Chuo SW, Liou SH, Wang LP, Britt RD, Poulos TL, Sevrioukova IF, Goodin DB. Conformational Response of N-Terminally Truncated Cytochrome P450 3A4 to Ligand Binding in Solution. Biochemistry 2019; 58:3903-3910. [PMID: 31456404 DOI: 10.1021/acs.biochem.9b00620] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Human cytochrome P450 3A4 (CYP3A4) is a membrane-associated monooxygenase that is responsible for metabolizing >50% of the pharmaceuticals in the current market, so studying its chemical mechanism and structural changes upon ligand binding will help provide deeper insights into drug metabolism and further drug development. The best-characterized cytochrome P450 is a bacterial form, P450cam, which undergoes significant conformational changes upon binding substrate and its redox partner, putidaredoxin. In contrast, most crystal structures of CYP3A4 with or without ligands have shown few changes, although allosteric effects and multiple-substrate binding in solution are well-documented. In this study, we use double electron-electron resonance (DEER) to measure distances between spatially separated spin-labels on CYP3A4 and molecular dynamics to interpret the DEER data. These methods were applied to a soluble N-terminally truncated CYP3A4 form, and the results show that there are few changes in the average structure upon binding ketoconazole, ritonavir, or midazolam. However, binding of midazolam, but not ketoconazole or ritonavir, resulted in a significant change in the motion and/or disorder in the F/G helix region near the substrate binding pocket. These results suggest that soluble CYP3A4 behaves in a unique way in response to inhibitor and substrate binding.
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Affiliation(s)
- Shih-Wei Chuo
- Department of Chemistry , University of California, Davis , One Shields Avenue , Davis , California 95616 , United States
| | - Shu-Hao Liou
- Department of Chemistry , University of California, Davis , One Shields Avenue , Davis , California 95616 , United States.,Department of Anatomy and Structural Biology , Albert Einstein College of Medicine , Bronx , New York 10461 , United States
| | - Lee-Ping Wang
- Department of Chemistry , University of California, Davis , One Shields Avenue , Davis , California 95616 , United States
| | - R David Britt
- Department of Chemistry , University of California, Davis , One Shields Avenue , Davis , California 95616 , United States
| | - Thomas L Poulos
- Department of Molecular Biology and Biochemistry , University of California , Irvine , California 92697-3900 , United States.,Department of Chemistry , University of California , Irvine , California 92697-3900 , United States.,Department of Pharmaceutical Sciences , University of California , Irvine , California 92697-3900 , United States
| | - Irina F Sevrioukova
- Department of Molecular Biology and Biochemistry , University of California , Irvine , California 92697-3900 , United States
| | - David B Goodin
- Department of Chemistry , University of California, Davis , One Shields Avenue , Davis , California 95616 , United States
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32
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Li H, Lampe JN. Neonatal cytochrome P450 CYP3A7: A comprehensive review of its role in development, disease, and xenobiotic metabolism. Arch Biochem Biophys 2019; 673:108078. [PMID: 31445893 DOI: 10.1016/j.abb.2019.108078] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Revised: 08/17/2019] [Accepted: 08/18/2019] [Indexed: 12/14/2022]
Abstract
The human cytochrome P450 CYP3A7, once thought to be an enzyme exclusive to fetal livers, has more recently been identified in neonates and developing infants as old as 24 months post-gestational age. CYP3A7 has been demonstrated to metabolize two endogenous compounds that are known to be important in the growth and development of the fetus and neonate, namely dehydroepiandrosterone sulfate (DHEA-S) and all-trans retinoic acid (atRA). In addition, it is also known to metabolize a variety of drugs and xenobiotics, albeit generally to a lesser extent relative to CYP3A4/5. CYP3A7 is an important component in the development and protection of the fetal liver and additionally plays a role in certain disease states, such as cancer and adrenal hyperplasia. Ultimately, a full understanding of the expression, regulation, and metabolic properties of CYP3A7 is needed to provide neonates with appropriate individualized pharmacotherapy. This article summarizes the current state of knowledge of CYP3A7, including its discovery, distribution, alleles, RNA splicing, expression and regulation, metabolic properties, substrates, and inhibitors.
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Affiliation(s)
- Haixing Li
- Sino-German Joint Research Institute Nanchang University, 235 East Nanjing Road, Nanchang, 330047, Jiangxi, PR China
| | - Jed N Lampe
- University of Colorado, Skaggs School of Pharmacy and Pharmaceutical Sciences, Department of Pharmaceutical Sciences, Mail Stop C238, 12850 E. Montview Blvd., Aurora, CO, 80045, USA.
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Trousil S, Lee P, Edwards RJ, Maslen L, Lozan-Kuehne JP, Ramaswami R, Aboagye EO, Clarke S, Liddle C, Sharma R. Altered cytochrome 2E1 and 3A P450-dependent drug metabolism in advanced ovarian cancer correlates to tumour-associated inflammation. Br J Pharmacol 2019; 176:3712-3722. [PMID: 31236938 DOI: 10.1111/bph.14776] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Revised: 05/10/2019] [Accepted: 05/16/2019] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND AND PURPOSE Previous work has focussed on changes in drug metabolism caused by altered activity of CYP3A in the presence of inflammation and, in particular, inflammation associated with malignancy. However, drug metabolism involves a number of other P450s, and therefore, we assessed the effect of cancer-related inflammation on multiple CYP enzymes using a validated drug cocktail. EXPERIMENTAL APPROACH Patients with advanced stage ovarian cancer and healthy volunteers were recruited. Participants received caffeine, chlorzoxazone, dextromethorphan, and omeprazole as in vivo probes for CYP1A2, CYP2E1, CYP2D6, CYP3A, and CYP2C19. Blood was collected for serum C-reactive protein and cytokine analysis. KEY RESULTS CYP2E1 activity was markedly up-regulated in cancer (6-hydroxychlorzoxazone/chlorzoxazone ratio of 1.30 vs. 2.75), while CYP3A phenotypic activity was repressed in cancer (omeprazole sulfone/omeprazole ratio of 0.23 vs. 0.49). Increased activity of CYP2E1 was associated with raised serum levels of IL-6, IL-8, and TNF-α. Repression of CYP3A correlated with raised levels of serum C-reactive protein, IL-6, IL-8, and TNF-α. CONCLUSIONS AND IMPLICATIONS CYP enzyme activity is differentially affected by the presence of tumour-associated inflammation, affecting particularly CYP2E1- and CYP3A-mediated drug metabolism, and may have profound implications for drug development and prescribing in oncological settings.
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Affiliation(s)
- Sebastian Trousil
- Department of Surgery and Cancer, Imperial College London, London, UK
| | - Patrizia Lee
- Department of Surgery and Cancer, Imperial College London, London, UK
| | - Robert J Edwards
- Division of Experimental Medicine, Imperial College London, London, UK
| | - Lynn Maslen
- Department of Surgery and Cancer, Imperial College London, London, UK
| | | | - Ramya Ramaswami
- Department of Surgery and Cancer, Imperial College London, London, UK
| | - Eric O Aboagye
- Department of Surgery and Cancer, Imperial College London, London, UK
| | - Stephen Clarke
- Department of Medical Oncology, Royal North Shore Hospital, St Leonards, NSW, Australia
| | - Christopher Liddle
- Storr Liver Unit, Westmead Millennium Institute, University of Sydney, Westmead, Westmead, NSW, Australia
| | - Rohini Sharma
- Department of Surgery and Cancer, Imperial College London, London, UK
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Lin QM, Li YH, Lu XR, Wang R, Pang NH, Xu RA, Cai JP, Hu GX. Characterization of Genetic Variation in CYP3A4 on the Metabolism of Cabozantinib in Vitro. Chem Res Toxicol 2019; 32:1583-1590. [PMID: 31293154 DOI: 10.1021/acs.chemrestox.9b00100] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Cabozantinib is a multityrosine kinase inhibitor and has a wide range of applications in the clinic, whose metabolism is predominately dependent on CYP3A4. This study was performed to characterize the enzymatic properties of 29 CYP3A4 alleles toward cabozantinib and the functional changes of five selected alleles (the wild-type, CYP3A4.2.8.14 and .15) toward cabozantinib in the presence of ketoconazole. Cabozantinib, 1-100 μM, with/without the presence of ketoconazole and CYP3A4 enzymes in the incubation system went through 30 min incubation at 37 °C, and the concentrations of cabozantinib N-oxide were quantified by UPLC-MS/MS to calculate the corresponding kinetic parameters of each variant. Collectively, without the presence of ketoconazole, most variants displayed defective enzymatic activities in different degrees, and only CYP3A4.14 and .15 showed significantly augmented enzymatic activities. With the presence of ketoconazole, five tested CYP3A4 alleles, even CYP3A4.14 and .15, exhibited obvious reductions in intrinsic clearance. Besides, we compared cabozantinib with regorafenib in relative clearance to confirm that CYP3A4 has the property of substrate specificity. As the first study of CYP3A4 genetic polymorphisms toward cabozantinib, our observations can provide prediction of an individual's capability in response to cabozantinib and guidance for medication and treatment of cabozantinib.
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Affiliation(s)
- Qian-Meng Lin
- School of Pharmaceutical Sciences , Wenzhou Medical University , 325035 Wenzhou , PR China
| | - Ying-Hui Li
- School of Pharmaceutical Sciences , Wenzhou Medical University , 325035 Wenzhou , PR China
| | - Xiang-Ran Lu
- School of Pharmaceutical Sciences , Wenzhou Medical University , 325035 Wenzhou , PR China
| | - Ru Wang
- School of Pharmaceutical Sciences , Wenzhou Medical University , 325035 Wenzhou , PR China
| | - Ni-Hong Pang
- School of Pharmaceutical Sciences , Wenzhou Medical University , 325035 Wenzhou , PR China
| | - Ren-Ai Xu
- The First Affiliated Hospital of Wenzhou Medical University , 325035 Wenzhou , PR China
| | - Jian-Ping Cai
- The Ministry of Health (MOH) Key Laboratory of Geriatrics, Beijing Hospital , National Center of Gerontology , 100000 Beijing , PR China
| | - Guo-Xin Hu
- School of Pharmaceutical Sciences , Wenzhou Medical University , 325035 Wenzhou , PR China
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do Carmo Santos N, da Paixão VG, da Rocha Pita SS. New Trypanosoma cruzi Trypanothione Reductase Inhibitors Identification using the Virtual Screening in Database of Nucleus Bioassay, Biosynthesis and Ecophysiology (NuBBE). ACTA ACUST UNITED AC 2019. [DOI: 10.2174/2211352516666180928130031] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Background:
American trypanosomiasis, also known as Chagas disease, is caused by
the protozoan Trypanosoma cruzi (T. cruzi) and affects approximately 10 to 12 million, primarily
in Latin America. Since its discovery in 1909, there is no effective treatment for its chronic phase,
with benzonidazole being the only anti-trypanosoma drug used in Brazil, despite the absence of
conclusive evidence to prove its efficacy and safety. Thus, it is necessary to develop new drugs that
are more effective and selective against Trypanosoma cruzi.
Methods:
The T. cruzi enzyme Trypanothione Reductase (TcTR) is a validated target for the discovery
of new antiprotozoal compounds and we employed the Virtual Screening technique on the
database of Nucleus of Bioassays, Biosynthesis and Ecophysiology (NuBBE), aiming to search for
new chemical moieties against T. cruzi. From these we selected the 10 best ligand energies interactions
and verified their interaction profile with the main TcTR sites through the AuPosSOM server
(https://www.biomedicale.univ-paris5.fr/aupossom).
Results and Conclusion:
Finally, we analyzed some pharmacokinetics and toxicological information
through the servers Aggregator Advisor (http://advisor.bkslab.org), Pred-hERG 4.0
(http://labmol.com.br/predherg) and pkCSM (http://biosig.unimelb.edu.au/pkcsm/prediction) which
we expect will be useful in in vitro preclinical trials.</P>
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Affiliation(s)
- Nelcí do Carmo Santos
- Bioinformatics and Molecular Modeling Laboratory (LaBiMM), Pharmacy College, Federal University of Bahia, Salvador-BA, Brazil
| | - Vinícius G. da Paixão
- Bioinformatics and Molecular Modeling Laboratory (LaBiMM), Pharmacy College, Federal University of Bahia, Salvador-BA, Brazil
| | - Samuel S. da Rocha Pita
- Bioinformatics and Molecular Modeling Laboratory (LaBiMM), Pharmacy College, Federal University of Bahia, Salvador-BA, Brazil
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Saito K, Shinozuka T, Nakao A, Kiho T, Kunikata T, Shiiki T, Nagai Y, Naito S. Synthesis and structure-activity relationship of 4-alkoxy-thieno[2,3-b]pyridine derivatives as potent alkaline phosphatase enhancers for osteoporosis treatment. Bioorg Med Chem Lett 2019; 29:1769-1773. [DOI: 10.1016/j.bmcl.2019.05.014] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Revised: 05/04/2019] [Accepted: 05/07/2019] [Indexed: 12/30/2022]
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Zhang W, Xie HQ, Li Y, Jin T, Li J, Xu L, Zhou Z, Zhang S, Ma D, Hahn ME, Zhao B. Transcriptomic analysis of Anabas testudineus and its defensive mechanisms in response to persistent organic pollutants exposure. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 669:621-630. [PMID: 30893621 PMCID: PMC6581032 DOI: 10.1016/j.scitotenv.2019.02.440] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2019] [Revised: 02/26/2019] [Accepted: 02/27/2019] [Indexed: 06/02/2023]
Abstract
The freshwater climbing perch (Anabas testudineus) can tolerate water environments contaminated with persistent organic pollutants (POPs). The mechanisms underlying this tolerance are unknown. We used de novo transcriptomic analysis to investigate the defensive mechanisms of A. testudineus against POPs based on its genetic features and biological responses to 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) exposure. Our results revealed a specific expansion of cytochrome P450 (CYP) 3A subfamily, which may be involved in the elimination of certain POPs. In xenobiotic responses, the aryl-hydrocarbon receptor (AhR) pathway represents a critical signaling mechanism, and we characterized four AhR and two AhR nuclear translocator homologs and one AhR repressor (AhRR) gene in A. testudineus. TCDD-induced AhRR and CYP1A mRNA upregulation suggests that negative-feedback regulation of AhR signaling through AhRR helps avoid excessive xenobiotic responses. Furthermore, liver and gill transcriptomic profiles were markedly altered after TCDD exposure, with some of the altered genes being related to common defensive responses reported in other species. Based on the newly identified TCDD-altered genes, several A. testudineus-specific responses are proposed, such as enhanced fatty acid β-oxidation. The genetic features of CYP3A subfamily and AhR pathway and the TCDD-induced defensive biological processes elucidated here enhance our understanding of A. testudineus defensive responses against POPs.
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Affiliation(s)
- Wanglong Zhang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center of Eco-Environment Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Heidi Qunhui Xie
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center of Eco-Environment Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yunping Li
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center of Eco-Environment Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Tao Jin
- China National Genebank-Shenzhen, BGI-Shenzhen, Shenzhen 518083, China; BGI-Qingdao, Qingdao 266510, China
| | - Jiao Li
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center of Eco-Environment Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Li Xu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center of Eco-Environment Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhiguang Zhou
- State Environmental Protection Key Laboratory of Dioxin Pollution Control, National Research Center for Environmental Analysis and Measurement, Beijing 100029, China
| | - Songyan Zhang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center of Eco-Environment Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Dan Ma
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center of Eco-Environment Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Mark E Hahn
- Woods Hole Oceanographic Institution (WHOI), Woods Hole, MA 02543, USA; Boston University Superfund Research Program, Boston University, Boston, MA 02118, USA
| | - Bin Zhao
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center of Eco-Environment Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China.
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Jin C, Wu Z, Wang L, Kanai Y, He X. CYP450s-Activity Relations of Celastrol to Interact with Triptolide Reveal the Reasons of Hepatotoxicity of Tripterygium wilfordii. Molecules 2019; 24:molecules24112162. [PMID: 31181731 PMCID: PMC6600472 DOI: 10.3390/molecules24112162] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Revised: 05/20/2019] [Accepted: 05/25/2019] [Indexed: 01/28/2023] Open
Abstract
Celastrol and triptolide, as the two main bio-activity ingredients in Tripterygium wilfordii, have wide anticancer pharmacological potency, as well as anti-inflammatory and immunosuppression effects. However, they have potential hepatotoxicity and underlying mechanisms of them-induced toxicity mediated by hepatic CYP450s have not been well delineated. In the present study, we accessed the toxic effects and possible mechanism of celastrol and triptolide on primary rat hepatocytes. Models of subdued/enhanced activity of CYP450 enzymes in primary rat hepatocytes were also constructed to evaluate the relationship between the two ingredients and CYP450s. LC-MS/MS was used to establish a detection method of the amount of triptolide in rat hepatocytes. As the results, cell viability, biochemical index, and mitochondrial membrane potential indicated that celastrol and triptolide had toxic potencies on hepatocytes. Moreover, the toxic effects were enhanced when the compounds combined with 1-aminobenzotriazole (enzyme inhibitor) while they were mitigated when combined with phenobarbital (an enzyme inducer). Meanwhile, celastrol could affect the amount of triptolide in the cell. We therefore put forward that increase of triptolide in the cell might be one of the main causes of hepatotoxicity caused by Tripterygium wilfordii.
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Affiliation(s)
- Chunhuan Jin
- School of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Panyu District, Guangzhou 510006, Guangdong, China.
- Department of Bio-system Pharmacology, Graduate School of Medicine, Osaka University, Suita, Osaka 565-0871, Japan.
| | - Zijun Wu
- School of Chinese Materia Medica, Tianjin University of Traditional Chinese Medicine, Jinghai District, Tianjin 301617, China.
| | - Lili Wang
- School of Chinese Materia Medica, Tianjin University of Traditional Chinese Medicine, Jinghai District, Tianjin 301617, China.
| | - Yoshikatsu Kanai
- Department of Bio-system Pharmacology, Graduate School of Medicine, Osaka University, Suita, Osaka 565-0871, Japan.
| | - Xin He
- School of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Panyu District, Guangzhou 510006, Guangdong, China.
- School of Chinese Materia Medica, Tianjin University of Traditional Chinese Medicine, Jinghai District, Tianjin 301617, China.
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Naidoo P, Chetty M. Progress in the Consideration of Possible Sex Differences in Drug Interaction Studies. Curr Drug Metab 2019; 20:114-123. [DOI: 10.2174/1389200220666181128160813] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2018] [Revised: 10/24/2018] [Accepted: 10/30/2018] [Indexed: 12/29/2022]
Abstract
Background:
Anecdotal evidence suggests that there may be sex differences in Drug-drug Interactions
(DDI) involving specific drugs. Regulators have provided general guidance for the inclusion of females in clinical
studies. Some clinical studies have reported sex differences in the Pharmacokinetics (PK) of CYP3A4 substrates,
suggesting that DDI involving CYP3A4 substrates could potentially show sex differences.
Objective:
The aim of this review was to investigate whether recent prospective DDI studies have included both
sexes and whether there was evidence for the presence or absence of sex differences with the DDIs.
Methods:
The relevant details from 156 drug interaction studies within 124 papers were extracted and evaluated.
Results:
Only eight studies (five papers) compared the outcome of the DDI between males and females. The majority
of the studies had only male volunteers. Five studies had females only while 60 had males only, with 7.7% of the
studies having an equal proportion of both sexes. Surprisingly, four studies did not specify the sex of the subjects.
:
Based on the limited number of studies comparing males and females, no specific trends or conclusions were evident.
Sex differences in the interaction were reported between ketoconazole and midazolam as well as clarithromycin and
midazolam. However, no sex difference was observed with the interaction between clarithromycin and triazolam or
erythromycin and triazolam. No sex-related PK differences were observed with the interaction between ketoconazole
and domperidone, although sex-related differences in QT prolongation were observed.
Conclusion:
This review has shown that only limited progress had been made with the inclusion of both sexes in
DDI studies.
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Affiliation(s)
- Panjasaram Naidoo
- Discipline of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu Natal, KwaZulu Natal, South Africa
| | - Manoranjenni Chetty
- Discipline of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu Natal, KwaZulu Natal, South Africa
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40
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Dahshan HE, Helal MA, Mostafa SM, Elgawish MS. Development and validation of an HPLC-UV method for simultaneous determination of sildenafil and tramadol in biological fluids: Application to drug-drug interaction study. J Pharm Biomed Anal 2019; 168:201-208. [PMID: 30825803 DOI: 10.1016/j.jpba.2019.02.025] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Revised: 02/15/2019] [Accepted: 02/18/2019] [Indexed: 10/27/2022]
Abstract
The introduction of sildenafil (SDF) to treat erectile dysfunction has solved a widespread condition with negative on the quality of life. Recently, the co-administration of tramadol (TMD) with SDF to manage premature ejaculation has illegally increased and thus drug-drug interaction studies of these drugs became of great importance. Although certain biological functions have been altered upon co-administration of the two drugs, methods for their determination in vivo to understand their interactions have yet to be published. Herein, therefore, an HPLC method with photometric detection was developed for the determination of a binary mixture of TMD and SDF in rabbit plasma after oral administration. In this study, a reversed-phase chromatography was performed at room temperature on a C18 column with a mobile phase composed of 10 mM Na2HPO4 solution (pH 7.5): acetonitrile (45:55, v/v) at a flow rate of 0.8 mL min-1 using caffeine (CAF) as an internal standard. The detector was set at 220 nm. The total analysis time was 6 min. Calibration graphs were linear in the concentration ranges of 0.1-10 and 0.05-10 μg mL-1 with a detection limit of 0.05 and 0.02 μg mL-1 for TMD and SDF, respectively. The method was validated in terms of accuracy, precision, limit of detection and quantitation, recovery, and stability as per US FDA bioanalytical guidelines. In addition, the metabolites N-desmethylsildenafil (UK-103,320) and O-desmethyltramadol were quantified in rabbit plasma after 2 h of oral administration using LC-MS/MS. The simultaneous administration of TMD with SDF has affected peak plasma concentration (Cmax), Tmax, area under the concentration-time curve (AUC), and the elimination rate constant (Kel) of SDF. The present study is the first to give valuable insights into the drug-drug interaction and the pharmacokinetic implications associated with the co-administration of SDF and TMD.
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Affiliation(s)
- Hosam Eldin Dahshan
- Medicinal Chemistry Department, Faculty of Pharmacy, Suez Canal University, Ismailia, 41522, Egypt
| | - Mohamed A Helal
- Medicinal Chemistry Department, Faculty of Pharmacy, Suez Canal University, Ismailia, 41522, Egypt; Biomedical Sciences Program, University of Science and Technology, Zewail City of Science and Technology, Giza, 12587, Egypt
| | - Samia M Mostafa
- Medicinal Chemistry Department, Faculty of Pharmacy, Suez Canal University, Ismailia, 41522, Egypt
| | - Mohamed Saleh Elgawish
- Medicinal Chemistry Department, Faculty of Pharmacy, Suez Canal University, Ismailia, 41522, Egypt.
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41
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Basic principles of drug delivery systems - the case of paclitaxel. Adv Colloid Interface Sci 2019; 263:95-130. [PMID: 30530177 DOI: 10.1016/j.cis.2018.11.004] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Revised: 11/15/2018] [Accepted: 11/15/2018] [Indexed: 01/15/2023]
Abstract
Cancer is the second cause of death worldwide, exceeded only by cardiovascular diseases. The prevalent treatment currently used against metastatic cancer is chemotherapy. Among the most studied drugs that inhibit neoplastic cells from acquiring unlimited replicative ability (a hallmark of cancer) are the taxanes. They operate via a unique molecular mechanism affecting mitosis. In this review, we show this mechanism for one of them, paclitaxel, and for other (non-taxanes) anti-mitotic drugs. However, the use of paclitaxel is seriously limited (its bioavailability is <10%) due to several long-standing challenges: its poor water solubility (0.3 μg/mL), its being a substrate for the efflux multidrug transporter P-gp, and, in the case of oral delivery, its first-pass metabolism by certain enzymes. Adequate delivery methods are therefore required to enhance the anti-tumor activity of paclitaxel. Thus, we have also reviewed drug delivery strategies in light of the various physical, chemical, and enzymatic obstacles facing the (especially oral) delivery of drugs in general and paclitaxel in particular. Among the powerful and versatile platforms that have been developed and achieved unprecedented opportunities as drug carriers, microemulsions might have great potential for this aim. This is due to properties such as thermodynamic stability (leading to long shelf-life), increased drug solubilization, and ease of preparation and administration. In this review, we define microemulsions and nanoemulsions, analyze their pertinent properties, and review the results of several drug delivery carriers based on these systems.
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Schäfer AM, Bock T, Meyer zu Schwabedissen HE. Establishment and Validation of Competitive Counterflow as a Method To Detect Substrates of the Organic Anion Transporting Polypeptide 2B1. Mol Pharm 2018; 15:5501-5513. [DOI: 10.1021/acs.molpharmaceut.8b00631] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Anima M. Schäfer
- Biopharmacy, Department Pharmaceutical Sciences, University of Basel, 4056 Basel, Switzerland
| | - Thomas Bock
- Proteomics Core Facility, Biozentrum, University of Basel, 4056 Basel, Switzerland
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Li Y, Ning J, Wang Y, Wang C, Sun C, Huo X, Yu Z, Feng L, Zhang B, Tian X, Ma X. Drug interaction study of flavonoids toward CYP3A4 and their quantitative structure activity relationship (QSAR) analysis for predicting potential effects. Toxicol Lett 2018; 294:27-36. [DOI: 10.1016/j.toxlet.2018.05.008] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Revised: 04/13/2018] [Accepted: 05/08/2018] [Indexed: 12/27/2022]
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44
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Enright EF, Griffin BT, Gahan CG, Joyce SA. Microbiome-mediated bile acid modification: Role in intestinal drug absorption and metabolism. Pharmacol Res 2018; 133:170-186. [DOI: 10.1016/j.phrs.2018.04.009] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/05/2018] [Revised: 04/07/2018] [Accepted: 04/12/2018] [Indexed: 01/03/2023]
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45
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Stable cellular models of nuclear receptor PXR for high-throughput evaluation of small molecules. Toxicol In Vitro 2018; 52:222-234. [PMID: 29933105 DOI: 10.1016/j.tiv.2018.06.017] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2018] [Revised: 05/28/2018] [Accepted: 06/18/2018] [Indexed: 12/11/2022]
Abstract
Pregnane & Xenobiotic Receptor (PXR) is one of the 48 members of the ligand-modulated transcription factors belonging to nuclear receptor superfamily. Though PXR is now well-established as a 'xenosensor', regulating the central detoxification and drug metabolizing machinery, it has also emerged as a key player in several metabolic disorders. This makes PXR attractive to both, researchers and pharmaceutical industry since clinical success of small drug molecules can be pre-evaluated on PXR platform. At the early stages of drug discovery, cell-based assays are used for high-throughput screening of small molecules. The future success or failure of a drug can be predicted by this approach saving expensive resources and time. In view of this, we have developed human liver cell line-based, dual-level screening and validation protocol on PXR platform having application to assess small molecules. We have generated two different stably transfected cell lines, (i) a stable promoter-reporter cell line (HepXREM) expressing PXR and a commonly used CYP3A4 promoter-reporter i.e. XREM-luciferase; and (ii) two stable cell lines integrated with proximal PXR-promoter-reporter (Hepx-1096/+43 and Hepx-497/+43). Employing HepXREM, Hepx-1096/+43 and Hepx-497/+43 stable cell lines > 25 anti-cancer herbal drug ingredients were screened for examining their modulatory effects on a) PXR transcriptional activity and, b) PXR-promoter activity. In conclusion, the present report provides a convenient and economical, dual-level screening system to facilitate the identification of superior therapeutic small molecules.
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Zhong CC, Chen F, Yang JL, Jia WW, Li L, Cheng C, Du FF, Zhang SP, Xie CY, Zhang NT, Olaleye OE, Wang FQ, Xu F, Lou LG, Chen DY, Niu W, Li C. Pharmacokinetics and disposition of anlotinib, an oral tyrosine kinase inhibitor, in experimental animal species. Acta Pharmacol Sin 2018; 39:1048-1063. [PMID: 29620050 DOI: 10.1038/aps.2017.199] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2017] [Accepted: 12/19/2017] [Indexed: 12/21/2022] Open
Abstract
Anlotinib is a new oral tyrosine kinase inhibitor; this study was designed to characterize its pharmacokinetics and disposition. Anlotinib was evaluated in rats, tumor-bearing mice, and dogs and also assessed in vitro to characterize its pharmacokinetics and disposition and drug interaction potential. Samples were analyzed by liquid chromatography/mass spectrometry. Anlotinib, having good membrane permeability, was rapidly absorbed with oral bioavailability of 28%-58% in rats and 41%-77% in dogs. Terminal half-life of anlotinib in dogs (22.8±11.0 h) was longer than that in rats (5.1±1.6 h). This difference appeared to be mainly associated with an interspecies difference in total plasma clearance (rats, 5.35±1.31 L·h-1·kg-1; dogs, 0.40±0.06 L·h-1/kg-1). Cytochrome P450-mediated metabolism was probably the major elimination pathway. Human CYP3A had the greatest metabolic capability with other human P450s playing minor roles. Anlotinib exhibited large apparent volumes of distribution in rats (27.6±3.1 L/kg) and dogs (6.6±2.5 L/kg) and was highly bound in rat (97%), dog (96%), and human plasma (93%). In human plasma, anlotinib was predominantly bound to albumin and lipoproteins, rather than to α1-acid glycoprotein or γ-globulins. Concentrations of anlotinib in various tissue homogenates of rat and in those of tumor-bearing mouse were significantly higher than the associated plasma concentrations. Anlotinib exhibited limited in vitro potency to inhibit many human P450s, UDP-glucuronosyltransferases, and transporters, except for CYP3A4 and CYP2C9 (in vitro half maximum inhibitory concentrations, <1 μmol/L). Based on early reported human pharmacokinetics, drug interaction indices were 0.16 for CYP3A4 and 0.02 for CYP2C9, suggesting that anlotinib had a low propensity to precipitate drug interactions on these enzymes. Anlotinib exhibits many pharmacokinetic characteristics similar to other tyrosine kinase inhibitors, except for terminal half-life, interactions with drug metabolizing enzymes and transporters, and plasma protein binding.
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Ye LH, Zhao XQ, Kong LT, Wang LS, Tao X, Wu H, He M, Chang Q. Inhibitory effects of Danhong Injection and its major constituents on human cytochrome P450 enzymes in vitro. Biomed Chromatogr 2018; 32:e4250. [PMID: 29578591 DOI: 10.1002/bmc.4250] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2017] [Revised: 03/03/2018] [Accepted: 03/19/2018] [Indexed: 12/13/2022]
Abstract
Danhong Injection (DHI) as a Chinese patent medicine is mainly used to treat ischemic encephalopathy and coronary heart disease in combination with other chemotherapy. However, the information on DHI's potential drug interactions is limited. The goal of this work was to examine the potential P450-mediated metabolism drug interaction arising from DHI and its active components. The results showed that DHI inhibited CYP2C19, CYP2D6, CYP3A4, CYP2E1 and CYP2C9 with IC50 values of 1.26, 1.42, 1.63, 1.10 and 1.67% (v/v), respectively. Danshensu and rosmarinic acid inhibited CYP2E1 and CYP2C9 with IC50 values of 36.63 and 75.76 μm, and 34.42 and 76.89 μm, respectively. Salvianolic acid A and B inhibited CYP2D6, CYP2E1 and CYP2C9 with IC50 values of 33.79, 21.64 and 31.94 μm, and 45.47, 13.52 and 24.15 μm, respectively. The study provides some useful information for safe and effective use of DHI in clinical practice.
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Affiliation(s)
- Lin-Hu Ye
- Department of Pharmacy, The First People's Hospital of Bijie, Bijie, China.,Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xin-Qian Zhao
- Department of Pharmacy, The First People's Hospital of Bijie, Bijie, China
| | - Ling-Ti Kong
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.,Department of Pharmacy, The First Affiliated Hospital of Bengbu Medical College, Bengbu, China
| | - Li-Sha Wang
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xue Tao
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Hui Wu
- Department of Pharmacy, The First People's Hospital of Bijie, Bijie, China
| | - Mei He
- Department of Pharmacy, The First People's Hospital of Bijie, Bijie, China
| | - Qi Chang
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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Kitaoka S, Hatogai J, Iimura R, Yamamoto Y, Oba K, Nakai M, Kusunoki Y, Ochiai W, Sugiyama K. Relationship between low midazolam metabolism by cytochrome P450 3A in mice and the high incidence of birth defects. J Toxicol Sci 2018; 43:65-74. [PMID: 29415953 DOI: 10.2131/jts.43.65] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
The use of midazolam in early stages of pregnancy has resulted in a high incidence of birth defects; however, the underlying reason is unknown. We investigated expression changes of the CYP3A molecular species and focused on its midazolam metabolizing activity from the foetal period to adulthood. CYP3A16 was the only CYP3A species found to be expressed in the liver during the foetal period. However, CYP3A11 is upregulated in adult mice, but has been found to be downregulated during the foetal period and to gradually increase after birth. When CYP3A16 expression was induced in a microsomal fraction of cells used to study midazolam metabolism by CYP3A16, its activity was suppressed. These results showed that the capacity to metabolize midazolam in the liver during the foetal period is very low, which could hence result in a high incidence of birth defects associated with the use of midazolam during early stages of pregnancy.
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Affiliation(s)
| | - Jo Hatogai
- Department of Clinical Pharmacokinetics, Hoshi University
| | - Ryuki Iimura
- Department of Clinical Pharmacokinetics, Hoshi University
| | - Yuka Yamamoto
- Department of Clinical Pharmacokinetics, Hoshi University
| | - Konomi Oba
- Department of Clinical Pharmacokinetics, Hoshi University
| | - Mami Nakai
- Department of Clinical Pharmacokinetics, Hoshi University
| | | | - Wataru Ochiai
- Department of Clinical Pharmacokinetics, Hoshi University
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Inhibition of CYP3A by Antimalarial Piperaquine and Its Metabolites in Human Liver Microsomes With IVIV Extrapolation. J Pharm Sci 2018; 107:1461-1467. [DOI: 10.1016/j.xphs.2018.01.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2017] [Revised: 12/20/2017] [Accepted: 01/08/2018] [Indexed: 11/20/2022]
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50
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Nitta SI, Hashimoto M, Kazuki Y, Takehara S, Suzuki H, Oshimura M, Akita H, Chiba K, Kobayashi K. Evaluation of 4β-Hydroxycholesterol and 25-Hydroxycholesterol as Endogenous Biomarkers of CYP3A4: Study with CYP3A-Humanized Mice. AAPS JOURNAL 2018; 20:61. [DOI: 10.1208/s12248-018-0186-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2017] [Accepted: 01/04/2018] [Indexed: 01/29/2023]
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