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Diaz MG, Ferrari GV, Andrada MF, Vega-Hissi E, Montaña MP, Martinez JCG. An experimental and theoretical study of ROS scavenging by organosulfur compounds from garlic: In silico analysis of metabolic pathways and interactions on CYP2E1. J Sulphur Chem 2022. [DOI: 10.1080/17415993.2022.2079378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
| | - Gabriela Veronica Ferrari
- INQUISAL, CONICET, FQByF, UNSL, San Luis, Argentina
- Facultad de Química, Bioquímica y Farmacia (FQByF), Universidad Nacional de San Luis (UNSL), San Luis, Argentina
| | - Matías Fernando Andrada
- Facultad de Química, Bioquímica y Farmacia (FQByF), Universidad Nacional de San Luis (UNSL), San Luis, Argentina
| | - Esteban Vega-Hissi
- IMIBIO, CONICET, FQByF, UNSL, San Luis, Argentina
- Facultad de Química, Bioquímica y Farmacia (FQByF), Universidad Nacional de San Luis (UNSL), San Luis, Argentina
| | - Maria Paulina Montaña
- INQUISAL, CONICET, FQByF, UNSL, San Luis, Argentina
- Facultad de Química, Bioquímica y Farmacia (FQByF), Universidad Nacional de San Luis (UNSL), San Luis, Argentina
| | - Juan Ceferino Garro Martinez
- IMIBIO, CONICET, FQByF, UNSL, San Luis, Argentina
- Facultad de Química, Bioquímica y Farmacia (FQByF), Universidad Nacional de San Luis (UNSL), San Luis, Argentina
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2
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Karimani A. Evaluating Cytochrome P-2E1 Induction in Diabetic Rats and Rabbits. JOURNAL OF MEDICAL SCIENCES 2022. [DOI: 10.3923/jms.2022.158.164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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SAYED N, MURATA I, ABDALLA O, KILANY O, DESSOUKI A, SASAKI K. Effects of dapagliflozin in combination with insulin on cytochrome P450 activities in a diabetes type 1 rat model. J Vet Med Sci 2021; 83:1597-1603. [PMID: 34483187 PMCID: PMC8569876 DOI: 10.1292/jvms.21-0249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Accepted: 08/21/2021] [Indexed: 11/22/2022] Open
Abstract
Previous studies reported that diabetes alters the activities of hepatic cytochrome P450 (CYP) enzymes, which, in turn, affects the disposition of some drugs. We herein examined and compared the effects of the combination of dapagliflozin with a low insulin dose, a full dose of insulin alone, and dapagliflozin alone for 3 and 8 weeks on CYP activities in a diabetes type 1 rat model. We induced type 1 diabetes in rats using a single intraperitoneal injection of 60 mg/kg streptozotocin (STZ). Daily treatment with the full dose of insulin alone, dapagliflozin alone, or dapagliflozin in combination with a low dose of insulin was then initiated. STZ-induced rats developed marked hyperglycemia and altered CYP2E activities. Dapagliflozin in combination with a low dose of insulin stabilized hyperglycemia and CYP1A, 2D, 2E and 3A activities. However, dapagliflozin alone did not improve blood glucose levels or CYP activities. These results suggest that the effects of dapagliflozin in combination with a low dose of insulin are similar to those of a full dose of insulin, and stabilize CYP activities in type 1 diabetes.
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Affiliation(s)
- Noha SAYED
- Laboratory of Veterinary Pharmacology, Cooperative
Department of Veterinary Medicine, Tokyo University of Agriculture and Technology, Fuchu,
Tokyo 183-8509, Japan
- Clinical Pathology Department, Faculty of Veterinary
Medicine, Suez Canal University, Ismailia 41522, Egypt
| | - Ikue MURATA
- Laboratory of Veterinary Pharmacology, Cooperative
Department of Veterinary Medicine, Tokyo University of Agriculture and Technology, Fuchu,
Tokyo 183-8509, Japan
| | - Osama ABDALLA
- Clinical Pathology Department, Faculty of Veterinary
Medicine, Suez Canal University, Ismailia 41522, Egypt
| | - Omnia KILANY
- Clinical Pathology Department, Faculty of Veterinary
Medicine, Suez Canal University, Ismailia 41522, Egypt
| | - Amina DESSOUKI
- Pathology Department, Faculty of Veterinary Medicine, Suez
Canal University, Ismailia 41522, Egypt
| | - Kazuaki SASAKI
- Laboratory of Veterinary Pharmacology, Cooperative
Department of Veterinary Medicine, Tokyo University of Agriculture and Technology, Fuchu,
Tokyo 183-8509, Japan
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Mashayekhi-Sardoo H, Mohammadpour AH, Mehri S, Kamali H, Sahebkar A, Imenshahidi M. Diabetes mellitus aggravates ranolazine-induced ECG changes in rats. J Interv Card Electrophysiol 2021; 63:379-388. [PMID: 34155553 DOI: 10.1007/s10840-021-01016-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Accepted: 05/30/2021] [Indexed: 10/21/2022]
Abstract
PURPOSE Diabetes mellitus (DM) is known to affect the pharmacokinetics of drugs. In this study, we evaluated the effect of DM on the liver content of CYP 3A2 enzyme. We also explored the ECG changes after administration of ranolazine in non-DM and DM rats. METHODS First phase: 24 male Wistar rats were separated into 4 groups. The control group (n = 6) received normal saline and the DM groups (n = 18) were treated with a single dose (55 mg/kg) of streptozocin (STZ; i.p. injection), then were held for 10, 20, and 30 days, respectively. After study duration for each group, the liver CYP 3A2 protein content was determined using western blotting. Second phase: 48 male Wistar rats were classified into two groups of non-DM and DM; and each group was divided into 4 subgroups (n: 6). Experimental groups received oral doses of 20, 40, and 80 mg/kg ranolazine. DM and non-DM control groups received normal saline. Treatment lasted for 28 days, and then the ECG was recorded. RESULTS Experimental DM induced by STZ caused a significant decrement in liver CYP3A2 protein content of rats on days 10 and 20 (P < 0.01), and 30 (P < 0.05) compared to the control animals. Significant increases in QT and corrected QT (QTc) intervals (P < 0.01), and bradycardia (P < 0.01) without any significant effect on PR and QRS intervals were observed in DM in comparison with non-DM groups after ranolazine treatment. CONCLUSIONS In summary, DM induction in animals resulted in CYP 3A2 inhibition and the prolongation of QT and QTc interval as well as bradycardia after ranolazine treatment.
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Affiliation(s)
- Habibeh Mashayekhi-Sardoo
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Amir Hooshang Mohammadpour
- Department of Clinical Pharmacy, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.,Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Soghra Mehri
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hossein Kamali
- Targeted Drug Delivery Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Pharmaceutics, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Amirhossein Sahebkar
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.,School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohsen Imenshahidi
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran. .,Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.
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5
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Darakjian L, Deodhar M, Turgeon J, Michaud V. Chronic Inflammatory Status Observed in Patients with Type 2 Diabetes Induces Modulation of Cytochrome P450 Expression and Activity. Int J Mol Sci 2021; 22:ijms22094967. [PMID: 34067027 PMCID: PMC8124164 DOI: 10.3390/ijms22094967] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 04/30/2021] [Accepted: 05/05/2021] [Indexed: 02/07/2023] Open
Abstract
Diabetes mellitus is a metabolic disease that causes a hyperglycemic status which leads, over time, to serious damage to the heart, blood vessels, eyes, kidneys and nerves. The most frequent form of diabetes is type 2 diabetes mellitus (T2DM) which is often part of a metabolic syndrome (hyperglycaemia, hypertension, hypercholesterolemia, abdominal obesity) that usually requires the use of several medications from different drug classes to bring each of these conditions under control. T2DM is associated with an increase in inflammatory markers such as interleukin-6 (IL-6) and the tumor necrosis factor alpha (TNF-α). Higher levels of IL-6 and TNF-α are associated with a downregulation of several drug metabolizing enzymes, especially the cytochrome P450 (P450) isoforms CYP3As and CYP2C19. A decrease in these P450 isoenzymes may lead to unexpected rise in plasma levels of substrates of these enzymes. It could also give rise to a mismatch between the genotypes determined for these enzymes, the predicted phenotypes based on these genotypes and the phenotypes observed clinically. This phenomenon is described as phenoconversion. Phenoconversion typically results from either a disease (such as T2DM) or concomitant administration of medications inducing or inhibiting (including competitive or non-competitive inhibition) a P450 isoenzyme used by other substrates for their elimination. Phenoconversion could have a significant impact on drug effects and genotypic-focused clinical outcomes. As the aging population is exposed to polypharmacy along with inflammatory comorbidities, consideration of phenoconversion related to drug metabolizing enzymes is of importance when applying pharmacogenomic results and establishing personalized and more precise drug regimens.
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Affiliation(s)
- Lucy Darakjian
- Tabula Rasa HealthCare, Precision Pharmacotherapy Research and Development Institute, Orlando, FL 32827, USA; (L.D.); (M.D.); (J.T.)
| | - Malavika Deodhar
- Tabula Rasa HealthCare, Precision Pharmacotherapy Research and Development Institute, Orlando, FL 32827, USA; (L.D.); (M.D.); (J.T.)
| | - Jacques Turgeon
- Tabula Rasa HealthCare, Precision Pharmacotherapy Research and Development Institute, Orlando, FL 32827, USA; (L.D.); (M.D.); (J.T.)
- Faculty of Pharmacy, Université de Montréal, Montreal, QC H3C 3J7, Canada
| | - Veronique Michaud
- Tabula Rasa HealthCare, Precision Pharmacotherapy Research and Development Institute, Orlando, FL 32827, USA; (L.D.); (M.D.); (J.T.)
- Faculty of Pharmacy, Université de Montréal, Montreal, QC H3C 3J7, Canada
- Correspondence: ; Tel.: +1-407-454-9964
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6
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Yao H, Gu J, Shan Y, Wang Y, Chen X, Sun D, Guo Y. Type 2 diabetes mellitus decreases systemic exposure of clopidogrel active metabolite through upregulation of P-glycoprotein in rats. Biochem Pharmacol 2020; 180:114142. [PMID: 32653591 DOI: 10.1016/j.bcp.2020.114142] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 07/05/2020] [Accepted: 07/07/2020] [Indexed: 12/15/2022]
Abstract
Patients with diabetic mellitus tend to have a poor response to clopidogrel (Clop) due to reduced generation of active metabolite (Clop-AM). However, the underlying mechanism is not elucidated. A type 2 diabetic mellitus (T2DM) rat model was established by combining high-fat diet feeding and low-dose streptozotocin (STZ) injection. The reduced Clop-AM exposure was observed in T2DM rats after oral administration of Clop. However, in vitro liver microsomes incubated with Clop exhibited increased Clop-AM levels in T2DM rats due to a significant decrease in carboxylesterase (CES)1 expression and activity and a significant increase in the expression or activity of CYP1A2 and CYP3A. Interestingly, different from oral administration, the significantly increased Cmax of Clop-AM was observed in T2DM rats after intravenous injection, with no difference in AUC0-t and t1/2 values between the two strains. Meanwhile, in situ single -pass intestinal perfusion study showed lower absorption rate constant (Ka) and effective apparent permeability values (Peff) of Clop in T2DM rats than in control rats. It is explained by the increased expression or function of P-glycoprotein (P-gp) and pregnane X receptor (PXR) in duodenum and jejunum of T2DM rats. Moreover, the decreased Clop-AM level in T2DM rats was eliminated by the pretreatment of cyclosporin A, a P-gp inhibitor. It suggests that intestinal absorption, not hepatic metabolism is responsible for the reduced Clop-AM exposure in T2DM rats. P-gp might be the key factor causing the reduction of Clop absorption, consequently making less Clop available for Clop-AM formation.
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Affiliation(s)
- Hongwei Yao
- School of Life Sciences, Jilin University, Changchun, China
| | - Jingkai Gu
- Research Center for Drug Metabolism, School of Life Science, Jilin University, Changchun, China
| | - Yuqin Shan
- Research Center for Drug Metabolism, School of Life Science, Jilin University, Changchun, China
| | - Yani Wang
- School of Life Sciences, Jilin University, Changchun, China
| | - Xue Chen
- School of Life Sciences, Jilin University, Changchun, China
| | - Dong Sun
- Research Center for Drug Metabolism, School of Life Science, Jilin University, Changchun, China; Key Laboratory of Molecular Pharmacology and Drug Evaluation, Ministry of Education, Yantai University, Yantai, China
| | - Yingjie Guo
- School of Life Sciences, Jilin University, Changchun, China.
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7
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Gwak EH, Yoo HY, Kim SH. Effects of Diabetes Mellitus on the Disposition of Tofacitinib, a Janus Kinase Inhibitor, in Rats. Biomol Ther (Seoul) 2020; 28:361-369. [PMID: 32209733 PMCID: PMC7327145 DOI: 10.4062/biomolther.2020.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 02/14/2020] [Accepted: 02/21/2020] [Indexed: 12/21/2022] Open
Abstract
Tofacitinib, a Janus kinase inhibitor, was developed for the treatment of rheumatoid arthritis. Recently, it has been associated with an increased change in arthritis development in patients with diabetes. Herein, we evaluated the pharmacokinetics of tofacitinib after intravenous (10 mg/kg) and oral (20 mg/kg) administration to rats with streptozotocin-induced diabetes mellitus and control rats. Following intravenous administration of tofacitinib to rats with streptozotocin-induced diabetes mellitus, area under the plasma concentration-time curve from time zero to infinity of tofacitinib was significantly smaller (33.6%) than that of control rats. This might be due to the faster hepatic intrinsic clearance (112%) caused by an increase in the hepatic cytochrome P450 (CYP) 3A1(23) and the faster hepatic blood flow rate in rats with streptozotocin-induced diabetes mellitus than in control rats. Following oral administration, area under the plasma concentration-time curve from time zero to infinity of tofacitinib was also significantly smaller (55.5%) in rats with streptozotocin-induced diabetes mellitus than that in control rats. This might be due to decreased absorption caused by the higher expression of P-glycoprotein and the faster intestinal metabolism caused by the higher expression of intestinal CYP3A1(23), which resulted in the decreased bioavailability of tofacitinib (33.0%) in rats with streptozotocin-induced diabetes mellitus. In summary, our findings indicate that diabetes mellitus affects the absorption and metabolism of tofacitinib, causing faster metabolism and decreased intestinal absorption in rats with streptozotocin-induced diabetes mellitus.
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Affiliation(s)
- Eun Hye Gwak
- College of Pharmacy and Research Institute of Pharmaceutical Science and Technology, Ajou University, Suwon 16499, Republic of Korea
| | - Hee Young Yoo
- College of Pharmacy and Research Institute of Pharmaceutical Science and Technology, Ajou University, Suwon 16499, Republic of Korea
| | - So Hee Kim
- College of Pharmacy and Research Institute of Pharmaceutical Science and Technology, Ajou University, Suwon 16499, Republic of Korea
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Yang Y, Liu X. Imbalance of Drug Transporter-CYP450s Interplay by Diabetes and Its Clinical Significance. Pharmaceutics 2020; 12:E348. [PMID: 32290519 PMCID: PMC7238081 DOI: 10.3390/pharmaceutics12040348] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 03/28/2020] [Accepted: 04/02/2020] [Indexed: 02/07/2023] Open
Abstract
The pharmacokinetics of a drug is dependent upon the coordinate work of influx transporters, enzymes and efflux transporters (i.e., transporter-enzyme interplay). The transporter-enzyme interplay may occur in liver, kidney and intestine. The influx transporters involving drug transport are organic anion transporting polypeptides (OATPs), peptide transporters (PepTs), organic anion transporters (OATs), monocarboxylate transporters (MCTs) and organic cation transporters (OCTs). The efflux transporters are P-glycoprotein (P-gp), multidrug/toxin extrusions (MATEs), multidrug resistance-associated proteins (MRPs) and breast cancer resistance protein (BCRP). The enzymes related to drug metabolism are mainly cytochrome P450 enzymes (CYP450s) and UDP-glucuronosyltransferases (UGTs). Accumulating evidence has demonstrated that diabetes alters the expression and functions of CYP450s and transporters in a different manner, disordering the transporter-enzyme interplay, in turn affecting the pharmacokinetics of some drugs. We aimed to focus on (1) the imbalance of transporter-CYP450 interplay in the liver, intestine and kidney due to altered expressions of influx transporters (OATPs, OCTs, OATs, PepTs and MCT6), efflux transporters (P-gp, BCRP and MRP2) and CYP450s (CYP3As, CYP1A2, CYP2E1 and CYP2Cs) under diabetic status; (2) the net contributions of these alterations in the expression and functions of transporters and CYP450s to drug disposition, therapeutic efficacy and drug toxicity; (3) application of a physiologically-based pharmacokinetic model in transporter-enzyme interplay.
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Affiliation(s)
| | - Xiaodong Liu
- Center of Drug Metabolism and Pharmacokinetics, China Pharmaceutical University, Nanjing 210009, China;
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9
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The oxidation and hypoglycaemic effect of sorafenib in streptozotocin-induced diabetic rats. Pharmacol Rep 2020; 72:254-259. [PMID: 32016844 PMCID: PMC8187206 DOI: 10.1007/s43440-019-00021-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Revised: 07/11/2019] [Accepted: 08/25/2019] [Indexed: 12/18/2022]
Abstract
Background Diabetes reduces the activity of CYP3A4 and may increase the exposure for the drugs metabolized by the isoenzyme. Sorafenib is a multi-targeted tyrosine kinase inhibitor (TKI), used for the treatment of advanced renal cell carcinoma, hepatocellular carcinoma and radioactive iodine resistant thyroid carcinoma. The TKI undergoes CYP3A4-dependent oxidative transformation, which may be influenced by hyperglycaemia. The aim of the study was to compare the oxidation for sorafenib between healthy and streptozotocin-induced diabetic rats. Additionally, the effect of sorafenib on glucose levels was investigated. Methods The rats were assigned to the groups: streptozotocin-induced diabetic (DG, n = 8) or healthy (HG, n = 8). The rats received sorafenib orally as a single dose of 100 mg/kg. The plasma concentrations of sorafenib and its metabolite N-oxide were measured with the validated high-performance liquid chromatography with ultraviolet detection. Results The difference between groups in Cmax and AUC0−t values for sorafenib were significant (p = 0.0004, p = 0.0104), and similarly for the metabolite (p = 0.0008, p = 0.0011). Greater exposure for the parent drug and analysed metabolite was achieved in diabetic group. However, the Cmax, AUC0−t, and AUC0−∞ ratios between the metabolite and sorafenib were similar in both groups. The significant reduction of glycaemia was observed only in the diabetic animals. Conclusion The findings of the study provide evidence that diabetes significantly influence on the exposition for sorafenib and its metabolite, but similar ratios N-oxide/sorafenib for AUC and Cmax in healthy and diabetic animals suggest that oxidation of the TKI is rather unchanged. Additionally, sorafenib-associated hypoglycaemia was confirmed in diabetic animals.
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Dietary-Induced Obesity, Hepatic Cytochrome P450, and Lidocaine Metabolism: Comparative Effects of High-Fat Diets in Mice and Rats and Reversibility of Effects With Normalization of Diet. J Pharm Sci 2019; 109:1199-1210. [PMID: 31733268 DOI: 10.1016/j.xphs.2019.11.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Revised: 11/02/2019] [Accepted: 11/07/2019] [Indexed: 12/22/2022]
Abstract
The effects of a high-fat diet on mRNA and protein of cytochrome P450 (CYP) enzymes in rats and mice and its impact on lidocaine deethylation to its main active metabolite, monoethylglycinexylidide (MEGX), in rats were investigated. The effect of a change in diet from high-fat to standard diet was also evaluated. Plasma biochemistry, mRNA, protein expression for selected CYP, and the activity of lidocaine deethylation were determined. The high-fat diet curtailed the activity and the expression of the majority of CYPs (CYP1A2, CYP3A1, CYP2C11, CYP2C12, and CYP2D1), mRNA levels (Cyp1a2 and Cyp3a2), and MEGX maximal formation rate (Vmax). Mice showed complementary results in their protein expressions of cyp3a and 1a2. Switching the diet back to standard chow in rats for 4 weeks reverted the expression levels of mRNA and protein back to normal levels as well as the maximum formation rates of MEGX. Female and male rodents showed similar patterns in CYP expression and lidocaine metabolism in response to the diets, although MEGX formation was faster in male rats. In conclusion, diet-induced obesity caused general decreases in CYP isoforms not only in rats but also in mice. The effects were shown to be reversible in rats by normalizing the diet.
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Li Y, Meng Q, Yang M, Liu D, Hou X, Tang L, Wang X, Lyu Y, Chen X, Liu K, Yu AM, Zuo Z, Bi H. Current trends in drug metabolism and pharmacokinetics. Acta Pharm Sin B 2019; 9:1113-1144. [PMID: 31867160 PMCID: PMC6900561 DOI: 10.1016/j.apsb.2019.10.001] [Citation(s) in RCA: 114] [Impact Index Per Article: 22.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2019] [Revised: 08/23/2019] [Accepted: 09/09/2019] [Indexed: 12/15/2022] Open
Abstract
Pharmacokinetics (PK) is the study of the absorption, distribution, metabolism, and excretion (ADME) processes of a drug. Understanding PK properties is essential for drug development and precision medication. In this review we provided an overview of recent research on PK with focus on the following aspects: (1) an update on drug-metabolizing enzymes and transporters in the determination of PK, as well as advances in xenobiotic receptors and noncoding RNAs (ncRNAs) in the modulation of PK, providing new understanding of the transcriptional and posttranscriptional regulatory mechanisms that result in inter-individual variations in pharmacotherapy; (2) current status and trends in assessing drug-drug interactions, especially interactions between drugs and herbs, between drugs and therapeutic biologics, and microbiota-mediated interactions; (3) advances in understanding the effects of diseases on PK, particularly changes in metabolizing enzymes and transporters with disease progression; (4) trends in mathematical modeling including physiologically-based PK modeling and novel animal models such as CRISPR/Cas9-based animal models for DMPK studies; (5) emerging non-classical xenobiotic metabolic pathways and the involvement of novel metabolic enzymes, especially non-P450s. Existing challenges and perspectives on future directions are discussed, and may stimulate the development of new research models, technologies, and strategies towards the development of better drugs and improved clinical practice.
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Affiliation(s)
- Yuhua Li
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510275, China
- The First Affiliated Hospital of Nanchang University, Nanchang 330006, China
| | - Qiang Meng
- College of Pharmacy, Dalian Medical University, Dalian 116044, China
| | - Mengbi Yang
- School of Pharmacy, the Chinese University of Hong Kong, Hong Kong, China
| | - Dongyang Liu
- Drug Clinical Trial Center, Peking University Third Hospital, Beijing 100191, China
| | - Xiangyu Hou
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Lan Tang
- School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Xin Wang
- School of Life Sciences, East China Normal University, Shanghai 200241, China
| | - Yuanfeng Lyu
- School of Pharmacy, the Chinese University of Hong Kong, Hong Kong, China
| | - Xiaoyan Chen
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Kexin Liu
- College of Pharmacy, Dalian Medical University, Dalian 116044, China
| | - Ai-Ming Yu
- UC Davis School of Medicine, Sacramento, CA 95817, USA
| | - Zhong Zuo
- School of Pharmacy, the Chinese University of Hong Kong, Hong Kong, China
| | - Huichang Bi
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510275, China
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Karimani A, Hosseinzadeh H, Mehri S, Jafarian AH, Kamali SA, Hooshang Mohammadpour A, Karimi G. Histopathological and biochemical alterations in non-diabetic and diabetic rats following acrylamide treatment. TOXIN REV 2019. [DOI: 10.1080/15569543.2019.1566263] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Asieh Karimani
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hossein Hosseinzadeh
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
- Pharmaceutical Research Center, Institute of Pharmaceutical Technology, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Soghra Mehri
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Amir Hossein Jafarian
- Cancer Molecular Pathology Research Center, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Amir Hooshang Mohammadpour
- Pharmaceutical Research Center, Institute of Pharmaceutical Technology, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Clinical Pharmacy, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Gholamreza Karimi
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
- Pharmaceutical Research Center, Institute of Pharmaceutical Technology, Mashhad University of Medical Sciences, Mashhad, Iran
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13
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Chen F, Li DY, Zhang B, Sun JY, Sun F, Ji X, Qiu JC, Parker RB, Laizure SC, Xu J. Alterations of drug-metabolizing enzymes and transporters under diabetic conditions: what is the potential clinical significance? Drug Metab Rev 2018; 50:369-397. [PMID: 30221555 DOI: 10.1080/03602532.2018.1497645] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Feng Chen
- Department of Pharmacy, Children's Hospital of Nanjing Medical University, Nanjing, China
- Department of Clinical Pharmacy and Translational Science, College of Pharmacy, University of Tennessee Health Science Center, Memphis, TN, USA
| | - De-Yi Li
- School of Life Sciences and Biopharmaceutics, Shenyang Pharmaceutical University, Shenyang, China
| | - Bo Zhang
- Department of Physiology, College of Medicine, University of Tennessee Health Science Center, Memphis, TN, USA
| | - Jie-Yu Sun
- Department of Pharmacy, Children's Hospital of Nanjing Medical University, Nanjing, China
| | - Fang Sun
- Department of Pharmacy, Children's Hospital of Nanjing Medical University, Nanjing, China
| | - Xing Ji
- Department of Pharmacy, Children's Hospital of Nanjing Medical University, Nanjing, China
| | - Jin-Chun Qiu
- Department of Pharmacy, Children's Hospital of Nanjing Medical University, Nanjing, China
| | - Robert B. Parker
- Department of Clinical Pharmacy and Translational Science, College of Pharmacy, University of Tennessee Health Science Center, Memphis, TN, USA
| | - S. Casey Laizure
- Department of Clinical Pharmacy and Translational Science, College of Pharmacy, University of Tennessee Health Science Center, Memphis, TN, USA
| | - Jing Xu
- Department of Pharmacy, Children's Hospital of Nanjing Medical University, Nanjing, China
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14
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The Influence of Diabetes Mellitus on Glucuronidation and Sulphation of Paracetamol in Patients with Febrile Neutropenia. Eur J Drug Metab Pharmacokinet 2018; 44:289-294. [PMID: 30187443 PMCID: PMC6418056 DOI: 10.1007/s13318-018-0508-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
BACKGROUND AND OBJECTIVES Numerous studies have confirmed the influence of diabetes mellitus on the pharmacokinetics of drugs. Paracetamol (APAP) is an antipyretic that is commonly used in febrile neutropenia (FN) therapy. APAP is chiefly metabolised by glucuronidation and sulphation. This study assessed the influence of diabetes on the pharmacokinetics of paracetamol and its metabolites: glucuronide (APAP-glu) and sulfate (APAP-sulfate) in FN patients. METHODS Patients with FN received single intravenous dose 1000 mg of APAP. The FN patients were allocated to one of two groups: diabetics (DG, n = 7) or non-diabetics (NDG, n = 11). The plasma concentrations of paracetamol and its metabolites were measured with the validated high-performance liquid chromatography (HPLC) with ultraviolet (UV) detection. RESULTS Pharmacokinetic parameters (mean [SD]) of APAP in the DG and NDG groups were as follows: Cmax (maximum comcentration) = 21.50 [11.23] vs. 23.42 [9.79] mg/L, AUC0-t (area under the concentration-time curve) = 44.23 [17.93] vs. 41.43 [14.57] mg·h/L, t1/2kel (elimination half-life) = 2.28 [0.80] vs. 2.11 [0.80] h. In both groups the exposure to APAP was comparable. The study did not reveal differences between the two groups in the pharmacokinetics of APAP-glu and APAP-sulfate. The Cmax and AUC0-t ratio between the metabolites and APAP were similar. CONCLUSIONS No differences in the pharmacokinetics of APAP, APAP-glu and APAP-sulfate in patients with FN indicates that diabetes does not influence glucuronidation and sulfatation of paracetamol.
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15
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Tian YS, Du ZY, Xiao Y, Yu B, Qi J. Screening and identification of potential hypoglycemic components in Zeng Ye Tang by high-performance liquid chromatography coupled with tandem quadrupole time-of-flight mass spectrometry. J Sep Sci 2017; 40:4709-4717. [PMID: 29098768 DOI: 10.1002/jssc.201700507] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2017] [Revised: 09/25/2017] [Accepted: 10/12/2017] [Indexed: 12/14/2022]
Abstract
Zeng Ye Tang, a famous prescription consisting of Xuanshen, Maidong, and Shengdi (5:4:4), has been used in China for a long time to treat diabetes caused by excessive heat with yin deficiency. Although many studies have investigated the pharmacological effects of Zeng Ye Tang, the compounds responsible for its hypoglycemic effect have not been identified. In this study, 50 compounds in Zeng Ye Tang were identified by high-performance liquid chromatography coupled with tandem quadrupole time-of-flight mass spectrometry. From these 50 compounds, nine cell-interacted compounds were identified by biospecific cell extraction using 3T3-L1 adipocytes. Moreover, nine potential active compounds that could be released into the blood were also acquired through serum pharmacochemical analysis in normal and diabetic rats after administration with Zeng Ye Tang. According to the established quantitative analytical method of nine constituents by high-performance liquid chromatography, six shared prototype constituents (catalpol/harpagide/p-coumaric acid/harpagoside/angoroside C/cinnamic acid (75.56:19.74:1.00:15.11:20.36:7.65), were screened and verified to exert remarkable hypoglycemic activity on type 2 diabetic mice. In conclusion, the six shared constituents may be responsible for the hypoglycemic activity of Zeng Ye Tang.
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Affiliation(s)
- Yu Shan Tian
- Jiangsu Key Laboratory of TCM Evaluation and Translational Research, China Pharmaceutical University, Nanjing, PR China
| | - Zhong Ying Du
- Jiangsu Key Laboratory of TCM Evaluation and Translational Research, China Pharmaceutical University, Nanjing, PR China
| | - Ying Xiao
- Department of Analytical Chemistry, China Pharmaceutical University, Nanjing, PR China
| | - BoYang Yu
- Jiangsu Key Laboratory of TCM Evaluation and Translational Research, China Pharmaceutical University, Nanjing, PR China.,State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, PR China
| | - Jin Qi
- Jiangsu Key Laboratory of TCM Evaluation and Translational Research, China Pharmaceutical University, Nanjing, PR China.,State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, PR China
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16
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Cobbina E, Akhlaghi F. Non-alcoholic fatty liver disease (NAFLD) - pathogenesis, classification, and effect on drug metabolizing enzymes and transporters. Drug Metab Rev 2017; 49:197-211. [PMID: 28303724 DOI: 10.1080/03602532.2017.1293683] [Citation(s) in RCA: 368] [Impact Index Per Article: 52.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Non-alcoholic fatty liver disease (NAFLD) is a spectrum of liver disorders. It is defined by the presence of steatosis in more than 5% of hepatocytes with little or no alcohol consumption. Insulin resistance, the metabolic syndrome or type 2 diabetes and genetic variants of PNPLA3 or TM6SF2 seem to play a role in the pathogenesis of NAFLD. The pathological progression of NAFLD follows tentatively a "three-hit" process namely steatosis, lipotoxicity and inflammation. The presence of steatosis, oxidative stress and inflammatory mediators like TNF-α and IL-6 has been implicated in the alterations of nuclear factors such as CAR, PXR, PPAR-α in NAFLD. These factors may result in altered expression and activity of drug metabolizing enzymes (DMEs) or transporters. Existing evidence suggests that the effect of NAFLD on CYP3A4, CYP2E1 and MRP3 is more consistent across rodent and human studies. CYP3A4 activity is down-regulated in NASH whereas the activity of CYP2E1 and the efflux transporter MRP3 is up-regulated. However, it is not clear how the majority of CYPs, UGTs, SULTs and transporters are influenced by NAFLD either in vivo or in vitro. The alterations associated with NAFLD could be a potential source of drug variability in patients and could have serious implications for the safety and efficacy of xenobiotics. In this review, we summarize the effects of NAFLD on the regulation, expression and activity of major DMEs and transporters. We also discuss the potential mechanisms underlying these alterations.
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Affiliation(s)
- Enoch Cobbina
- a Clinical Pharmacokinetics Research Laboratory, Department of Biomedical and Pharmaceutical Sciences , University of Rhode Island , Kingston , RI , USA
| | - Fatemeh Akhlaghi
- a Clinical Pharmacokinetics Research Laboratory, Department of Biomedical and Pharmaceutical Sciences , University of Rhode Island , Kingston , RI , USA
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17
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Rao PSS, Midde NM, Miller DD, Chauhan S, Kumar A, Kumar S. Diallyl Sulfide: Potential Use in Novel Therapeutic Interventions in Alcohol, Drugs, and Disease Mediated Cellular Toxicity by Targeting Cytochrome P450 2E1. Curr Drug Metab 2016; 16:486-503. [PMID: 26264202 DOI: 10.2174/1389200216666150812123554] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2015] [Accepted: 08/05/2015] [Indexed: 12/16/2022]
Abstract
Diallyl sulfide (DAS) and other organosulfur compounds are chief constituents of garlic. These compounds have many health benefits, as they are very efficient in detoxifying natural agents. Therefore, these compounds may be useful for prevention/treatment of cancers. However, DAS has shown appreciable allergic reactions and toxicity, as they can also affect normal cells. Thus their use as in the prevention and treatment of cancer is limited. DAS is a selective inhibitor of cytochrome P450 2E1 (CYP2E1), which is known to metabolize many xenobiotics including alcohol and analgesic drugs in the liver. CYP2E1-mediated alcohol/drug metabolism produce reactive oxygen species and reactive metabolites, which damage DNA, protein, and lipid membranes, subsequently causing liver damage. Several groups have shown that DAS is not only capable of inhibiting alcohol- and drug-mediated cellular toxicities, but also HIV protein- and diabetes-mediated toxicities by selectively inhibiting CYP2E1 in various cell types. However, due to known DAS toxicities, its use as a treatment modality for alcohol/drug- and HIV/diabetes-mediated toxicity have only limited clinical relevance. Therefore, effort is being made to generate DAS analogs, which are potent and selective inhibitor of CYP2E1 and poor substrate of CYP2E1. This review summarizes current advances in the field of DAS, its anticancer properties, role as a CYP2E1 inhibitor, preventing agent of cellular toxicities from alcohol, analgesic drugs, xenobiotics, as well as, from diseases like HIV and diabetes. Finally, this review also provides insights toward developing novel DAS analogues for chemical intervention of many disease conditions by targeting CYP2E1 enzyme.
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Affiliation(s)
| | | | | | | | | | - Santosh Kumar
- College of Pharmacy, University of Tennessee Health Science Center, 881 Madison Ave, Rm 456, Memphis, TN 38163, USA.
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18
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Zhai T, Wang J, Sun L, Chen Y. The effect of streptozotocin and alloxan on the mRNA expression of rat hepatic transporters in vivo. AAPS PharmSciTech 2015; 16:767-70. [PMID: 25549789 DOI: 10.1208/s12249-014-0262-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2014] [Accepted: 12/08/2014] [Indexed: 02/02/2023] Open
Abstract
The effect of streptozotocin (STZ) and alloxan (ALX) on the hepatic messenger RNA (mRNA) expression of four transporters (Mrp2, Mdr1, Oct1, and Oatp1) was studied in the present work. After the healthy male Wistar rats were individually treated by a single intraperitoneal injection of ALX monohydrate (150 mg/kg) or STZ (50 mg/kg), the hepatic mRNA expression levels of Mrp2, Mdr1, Oct1, and Oatp1 were detected by real-time quantitative PCR. The results indicated that the mRNA expression levels of the Mrp2, Mdr1, Oct1, and Oatp1 in ALX-induced diabetic rats, as well as the hepatic mRNA expression of Mdr1 and Oatp1 in STZ-induced diabetic rats, were significantly decreased as compared with the control. The inhibition of ALX and STZ on hepatic transporter expression suggested that alterations of drug transporters under diabetic condition can be responsible for reduced drug clearance.
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19
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Glucose dominates the regulation of carboxylesterases induced by lipopolysaccharide or interleukin-6 in primary mouse hepatocytes. Life Sci 2014; 112:41-8. [DOI: 10.1016/j.lfs.2014.07.019] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2014] [Revised: 06/30/2014] [Accepted: 07/11/2014] [Indexed: 12/16/2022]
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20
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Strategies for preclinical pharmacokinetic investigation in streptozotocin-induced diabetes mellitus (DMIS) and alloxan-induced diabetes mellitus (DMIA) rat models: case studies and perspectives. Eur J Drug Metab Pharmacokinet 2014; 40:1-12. [DOI: 10.1007/s13318-014-0186-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2013] [Accepted: 02/21/2014] [Indexed: 11/30/2022]
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21
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Hu N, Hu M, Duan R, Liu C, Guo H, Zhang M, Yu Y, Wang X, Liu L, Liu X. Increased Levels of Fatty Acids Contributed to Induction of Hepatic CYP3A4 Activity Induced by Diabetes — In Vitro Evidence From HepG2 Cell and Fa2N-4 Cell Lines. J Pharmacol Sci 2014; 124:433-44. [DOI: 10.1254/jphs.13212fp] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
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22
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Lee JH, Lee A, Oh JH, Lee YJ. Comparative pharmacokinetic study of paclitaxel and docetaxel in streptozotocin-induced diabetic rats. Biopharm Drug Dispos 2012; 33:474-86. [PMID: 22936118 DOI: 10.1002/bdd.1814] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2012] [Revised: 08/20/2012] [Accepted: 08/22/2012] [Indexed: 11/08/2022]
Abstract
The pharmacokinetics of paclitaxel and docetaxel were compared in diabetic rats induced by streptozotocin (DMIS rats) and the impact of altered expression of cytochrome P450 3A (Cyp3A) and P-glycoprotein (P-gp) in the diabetic state. The pharmacokinetics of paclitaxel and docetaxel were determined after intravenous (5 mg/kg) and oral (30 and 40 mg/kg, respectively) administration to both groups and the mRNA expression levels of Cyp3A isozymes and Mdr1a and Mdr1b in the liver and small intestine were determined in control and DMIS rats. After intravenous administration, the AUC and clearance of paclitaxel and docetaxel were not significantly different in DMIS vs control rats. After oral administration, the AUC and C(max) of paclitaxel in DMIS rats were significantly greater than those in the control rats, whereas those of docetaxel was not changed significantly. The mRNA expression levels of hepatic Cyp3A1, Cyp3A9 and Mdr1b were significantly increased in DMIS compared with the control rats. In the intestine, Cyp3A62 expression decreased in the DMIS rats compared with the controls. Thus the pharmacokinetic changes of taxanes observed in the DMIS rats were attributed to changes in P-gp and Cyp3A, predominant factors that control the absorption of paclitaxel and docetaxel, respectively. It seemed that there were different susceptibilities to intestinal P-gp and Cyp3A between the two taxanes.
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Affiliation(s)
- Joo Hyun Lee
- Division of Biopharmaceutics, College of Pharmacy, Kyung Hee University, Seoul, Korea
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23
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Pharmacokinetic analysis of multi PEG–theophylline conjugates. Comput Biol Chem 2012; 40:7-14. [DOI: 10.1016/j.compbiolchem.2012.07.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2011] [Revised: 07/05/2012] [Accepted: 07/10/2012] [Indexed: 11/23/2022]
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24
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Agnieszka B, Agnieszka K, Jan O, Joanna G, Tomasz G, Anna W, Edmund G. Pharmacokinetics and ocular disposition of paracetamol and paracetamol glucuronide in rabbits with diabetes mellitus induced by alloxan. Pharmacol Rep 2012; 64:421-7. [DOI: 10.1016/s1734-1140(12)70783-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2011] [Revised: 12/05/2011] [Indexed: 01/21/2023]
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25
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Oh SJ, Choi JM, Yun KU, Oh JM, Kwak HC, Oh JG, Lee KS, Kim BH, Heo TH, Kim SK. Hepatic expression of cytochrome P450 in type 2 diabetic Goto-Kakizaki rats. Chem Biol Interact 2012; 195:173-9. [PMID: 22244987 DOI: 10.1016/j.cbi.2011.12.010] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2011] [Revised: 12/28/2011] [Accepted: 12/28/2011] [Indexed: 10/14/2022]
Abstract
Although hepatic expression of cytochrome P450 (CYP) changes markedly in diabetes, the role of ketone bodies in the regulation of CYP in diabetes is controversial. The present study was performed to determine the expression and activity of CYP in non-obese type II diabetic Goto-Kakizaki (GK) rats with normal levels of ketone bodies. In the present study, basal serum glucose levels increased 1.95-fold in GK rats, but acetoacetate and β-hydroxybutyrate levels were not significantly different. Hepatic expression of CYP reductase and CYP3A2 was up-regulated in the GK rats, and consequently, activities of CYP reductase and midazolam 4-hydroxylase, mainly catalyzed by CYP3A2, increased. In contrast, hepatic expression of CYP1A2 and CYP3A1 was down-regulated and the activities of 7-ethoxyresorufin-O-deethylase and 7-methoxyresorufin-O-demethylase, mainly catalyzed by CYP1A, also decreased in GK rats. Hepatic levels of microsomal protein and total CYP and hepatic expression of cytochrome b(5), CYP1B1, CYP2B1 and CYP2C11 were not significantly different between the GK rats and normal Wistar rats. Moreover, the expression and activity of CYP2E1, reported to be up-regulated in diabetes with hyperketonemia, were not significantly different between GK rats and control rats, suggesting that elevation of ketone bodies plays a critical role in the up-regulation of hepatic CYP2E1 in diabetic rats. Our results showed that the expression of hepatic CYP is regulated in an isoform-specific manner. The present results also show that the GK rat is a useful animal model for the pathophysiological study of non-obese type II diabetes with normal ketone body levels.
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Affiliation(s)
- Soo Jin Oh
- College of Pharmacy, Chungnam National University, Daejeon 305-764, Republic of Korea
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26
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Kotani A, Hashimoto M, Kotani T, Kusu F. Prepeak of trolox caused by theophylline and its application to the determination of theophylline in rat plasma. J Electroanal Chem (Lausanne) 2011. [DOI: 10.1016/j.jelechem.2011.01.005] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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27
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Chen GM, Hu N, Liu L, Xie SS, Wang P, Li J, Xie L, Wang GJ, Liu XD. Pharmacokinetics of verapamil in diabetic rats induced by combination of high-fat diet and streptozotocin injection. Xenobiotica 2011; 41:494-500. [PMID: 21506683 DOI: 10.3109/00498254.2011.558933] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
The aim of this study was to investigate effects of type 2 diabetes on the pharmacokinetics of verapamil after intravenous administration. Diabetes mellitus (DM) rats were induced by combination of high-fat diet (HFD) and streptozotocin. Plasma concentrations of verapamil in DM rats, rats fed with HFD, and control (CON) rats were measured after intravenous administration of 1 mg/kg verapamil and corresponding pharmacokinetic parameters were estimated. Area under the plasma concentration in DM rats was significantly smaller than that in CON rats. In vitro microsomal study showed that intrinsic clearance of verapamil in DM rats was significantly higher than those in CON rats. Compared to CON rats, higher intrinsic clearance was also observed in HFD rats. Western blot results demonstrated higher levels of CYP3A2 in DM and HFD rats, which was in line to activity of CYP3A. All the results gave a conclusion that diabetes may enhance metabolism of verapamil in rat, and the enhancement may partly result from induction of CYP3A.
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Affiliation(s)
- G M Chen
- Key Laboratory of Drug Metabolism and Pharmacokinetics, China Pharmaceutical University, Nanjing, China
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28
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Abstract
Caffeine, theophylline, theobromine, and paraxanthine administered to animals and humans distribute in all body fluids and cross all biological membranes. They do not accumulate in organs or tissues and are extensively metabolized by the liver, with less than 2% of caffeine administered excreted unchanged in human urine. Dose-independent and dose-dependent pharmacokinetics of caffeine and other dimethylxanthines may be observed and explained by saturation of metabolic pathways and impaired elimination due to the immaturity of hepatic enzyme and liver diseases. While gender and menstrual cycle have little effect on their elimination, decreased clearance is seen in women using oral contraceptives and during pregnancy. Obesity, physical exercise, diseases, and particularly smoking and the interactions of drugs affect their elimination owing to either stimulation or inhibition of CYP1A2. Their metabolic pathways exhibit important quantitative and qualitative differences in animal species and man. Chronic ingestion or restriction of caffeine intake in man has a small effect on their disposition, but dietary constituents, including broccoli and herbal tea, as well as alcohol were shown to modify their plasma pharmacokinetics. Using molar ratios of metabolites in plasma and/or urine, phenotyping of various enzyme activities, such as cytochrome monooxygenases, N-acetylation, 8-hydroxylation, and xanthine oxidase, has become a valuable tool to identify polymorphisms and to understand individual variations and potential associations with health risks in epidemiological surveys.
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Affiliation(s)
- Maurice J Arnaud
- Nutrition and Biochemistry, Bourg-Dessous 2A, La Tour-de-Peilz, Switzerland.
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29
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Hu N, Xie S, Liu L, Wang X, Pan X, Chen G, Zhang L, Liu H, Liu X, Liu X, Xie L, Wang G. Opposite effect of diabetes mellitus induced by streptozotocin on oral and intravenous pharmacokinetics of verapamil in rats. Drug Metab Dispos 2010; 39:419-25. [PMID: 21135265 DOI: 10.1124/dmd.110.035642] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
The aim of this study was to report the effect of diabetes mellitus on the pharmacokinetics of verapamil in a route-dependent manner. Diabetes in rats was induced by streptozotocin. Plasma concentrations of verapamil and its metabolite, norverapamil, were measured after oral (10 mg/kg) or intravenous (1 mg/kg) administration. The concentrations of verapamil in portal plasma after oral administration were also determined. Norverapamil formation was used for assessing CYP3A activity in hepatic and intestinal microsomes of diabetic rats. The protein levels of CYP3A1 and CYP3A2 in liver and intestine were measured by Western blot. It was found that diabetes significantly increased the plasma concentration of verapamil and norverapamil after oral administration, which resulted in a 74% increase in the area under the concentration-time curve (AUC) of verapamil, but the ratio of AUC((norverapamil))/AUC((verapamil)) was significantly decreased by 38%. In contrast, diabetes significantly decreased the AUC of verapamil by 22% after intravenous administration. Diabetes also resulted in increased AUC of verapamil in portal vein by 3.8-fold compared with that in control rats. The absolute bioavailability of verapamil was higher than that of control rats. An in vitro study showed that increased CYP3A activity in the hepatic microsome and decreased CYP3A activity in the intestinal microsome were accompanied by an increase and decrease in the protein expression of CYP3A1/2 in liver and intestine of diabetic rats, respectively. In conclusion, diabetes mellitus revealed a tissue-specific effect on CYP3A activity and expression (induced in liver and inhibited in intestine), resulting in opposite pharmacokinetic behaviors of verapamil after oral and intravenous administration to diabetic rats.
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Affiliation(s)
- Nan Hu
- Key Laboratory of Drug Metabolism and Pharmacokinetics, China Pharmaceutical University, Nanjing 210009, China
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30
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Ahn CY, Bae SK, Bae SH, Kang HE, Kim SH, Lee MG, Shin WG. Pharmacokinetics of sildenafil and its metabolite, N-desmethylsildenafil, in rats with liver cirrhosis and diabetes mellitus, alone and in combination. Xenobiotica 2010; 41:164-74. [PMID: 21070144 DOI: 10.3109/00498254.2010.532885] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Pharmacokinetics of sildenafil and its metabolite, N-desmethylsildenafil, in humans and rats with liver cirrhosis (LC) and diabetes mellitus (DM), alone and in combination (LCD) did not seem to be reported. Sildenafil was administered intravenously (10 mg/kg) and orally (20 mg/kg) to control, LC, DM, and LCD rats. Expression of intestinal CYP isozymes in those rats was also measured. In LC, DM, and LCD rats, the areas under the curve (AUCs) of intravenous sildenafil were significantly greater (by 195%, 54.2%, and 127%, respectively) than controls. In LC and LCD rats, AUCs of oral sildenafil were significantly greater (3010% and 2030%, respectively) than controls. In LC, DM, and LCD rats, significantly greater AUCs of intravenous sildenafil were due to the slower hepatic extraction of sildenafil (because of decrease in the protein expression of hepatic CYP2C11 and 3A subfamily in LC and LCD rats, and CYP2C11 in DM rats). In LC and LCD rats, greater magnitude of increase in AUCs of oral sildenafil than those after the intravenous administration could be mainly due to the decrease in the intestinal extraction of sildenafil (because of decrease in the protein expression of intestinal CYP2C11 in LC and LCD rats).
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Affiliation(s)
- C Y Ahn
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, South Korea
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31
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Gawronska-Szklarz B, Musial HD, Loniewski I, Paprota B, Drozdzik M. Lidocaine metabolism in isolated perfused liver from streptozotocin-induced diabetic rats. J Pharm Pharmacol 2010; 58:1073-7. [PMID: 16872554 DOI: 10.1211/jpp.58.8.0008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Abstract
Abstract
Insulin deficiency can trigger not only an altered glucose metabolic state but may also affect drug metabolism. The formation rate of the major lidocaine metabolite monoethylglycinxylidide (MEGX) has been shown to reflect the activity of CYP3A2 and CYP1A2. In the present study the effects of streptozotocin-induced diabetes on lidocaine elimination and MEGX formation in a model of isolated, non-recirculated, perfused rat liver with constant flow was evaluated. The parameters describing hepatic lidocaine elimination studied 10 days after streptozotocin administration, i.e. hepatic extraction coefficient (EH), hepatic clearance (ClH) and elimination rate (VL), were significantly decreased in diabetic livers in comparison with the controls. The EH in the controls varied between 0.88±0.07 and 0.93±0.06, whereas in diabetic livers it was markedly reduced to between 0.27±0.15 and 0.39±0.23. The ClH dropped to 8.04±4.12-11.66±2.99mLmin 1 in diabetic rats in comparison to 26.29±2.07–27.94±0.92 mL min−1 in the control animals. The VL was estimated to be 128.08±18.60–136.44±17.59 μg mL−1 in the controls and from 40.87±28.31 μg mL−1 to 56.83±22.16 μg mL−1 in diabetic perfused livers. The major lidocaine metabolite, i.e. MEGX, concentrations were significantly decreased in diabetic rats compared to the controls. The observed changes indicate an impairment of N-deethylation metabolic pathway in streptozotocin-induced diabetic rats, i.e. a possible decrease in the enzymatic activity of CYP3A2 and CYP1A2.
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Affiliation(s)
- Barbara Gawronska-Szklarz
- Department of Pharmacokinetics and Therapeutic Drug Monitoring, Pomeranian Medical University, Powstańców Wlkp. 72, PL 70-111 Szczecin, Poland
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32
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Chung HJ, Choi YH, Kim SH, Lee MG. Effects of enzyme inducers and inhibitors on the pharmacokinetics of intravenous ipriflavone in rats. J Pharm Pharmacol 2010; 58:449-57. [PMID: 16597362 DOI: 10.1211/jpp.58.4.0004] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Abstract
Abstract
In order to find out what types of the hepatic microsomal cytochrome P450 (CYP) isozymes are involved in the metabolism of ipriflavone, ipriflavone at a dose of 20 mg kg−1 (or 15 mg kg−1) was infused in male Sprague—Dawley rats. In rats pretreated with SKF 525-A (a non-specific CYP isozyme inhibitor in rats), the total body clearance (CL) of ipriflavone was significantly slower (29.9% decrease) than that in control rats. This indicates that ipriflavone is metabolized via CYP isozymes in rats, hence various enzyme inducers and inhibitors were used in in-vitro or in-vivo studies in rats. In rats pretreated with 3-methylcholanthrene and phenobarbital (main inducers of CYP1A1/2 and 2B1/2 in rats, respectively), the CL values were significantly higher (153 and 67.2% increases, respectively). In rats pretreated with sulfaphenazole (a main inhibitor of CYP2C11 in rats), the CL was significantly slower (22.5% decrease) than that in control rats. On addition of furafylline (a main inhibitor of CYP1A2 in rats), the in-vitro intrinsic clearance for the disappearance of ipriflavone was significantly slower (50.8% decrease) than that without furafylline. However, the CL values were not significantly different in rats pretreated with orphenadrine and isoniazid (a main inducer of CYP2E1 in rats), and quinine and troleandomycin (main inhibitors of CYP2D1 and 3A23/2 in rats, respectively) compared to controls. These data suggest that ipriflavone could be metabolized mainly via CYP1A1/2, 2B1/2 and 2C11 in rats.
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Affiliation(s)
- Hye J Chung
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, San 56-1, Shinlim-Dong, Kwanak-Gu, Seoul 151-742, South Korea
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Lee U, Choi YH, Kim SH, Lee BK. Pharmacokinetics of itraconazole in diabetic rats. Antimicrob Agents Chemother 2010; 54:931-3. [PMID: 19995926 PMCID: PMC2812152 DOI: 10.1128/aac.01145-09] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2009] [Revised: 09/07/2009] [Accepted: 11/27/2009] [Indexed: 11/20/2022] Open
Abstract
After intravenous or oral administration of 10 mg/kg itraconazole to rats with streptozotocin-induced diabetes mellitus and to control rats, the total area under the plasma concentration-time curve from time 0 to 24 h (AUC0-24) for itraconazole and that for its metabolite, 7-hydroxyitraconazole, were similar between the two groups of rats. This may be explained by the comparable hepatic and intestinal intrinsic clearance rates for the disappearance of itraconazole and the formation of 7-hydroxyitraconazole in both groups of rats.
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Affiliation(s)
- Unji Lee
- College of Pharmacy, Ewha Womans University, 11-1, Daehyun-Dong, Seodaemun-Gu, Seoul 120-750, South Korea, College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, San 56-1, Shinlim-Dong, Kwanak-Gu, Seoul 151-742, South Korea, Department of Pharmacology, College of Dentistry and Research Institute of Oral Science, Kangnung-Wonju National University, 120, Gangneung Daehangno, Gangneung, Kyunggi-Do 210-702, South Korea
| | - Young H. Choi
- College of Pharmacy, Ewha Womans University, 11-1, Daehyun-Dong, Seodaemun-Gu, Seoul 120-750, South Korea, College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, San 56-1, Shinlim-Dong, Kwanak-Gu, Seoul 151-742, South Korea, Department of Pharmacology, College of Dentistry and Research Institute of Oral Science, Kangnung-Wonju National University, 120, Gangneung Daehangno, Gangneung, Kyunggi-Do 210-702, South Korea
| | - So H. Kim
- College of Pharmacy, Ewha Womans University, 11-1, Daehyun-Dong, Seodaemun-Gu, Seoul 120-750, South Korea, College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, San 56-1, Shinlim-Dong, Kwanak-Gu, Seoul 151-742, South Korea, Department of Pharmacology, College of Dentistry and Research Institute of Oral Science, Kangnung-Wonju National University, 120, Gangneung Daehangno, Gangneung, Kyunggi-Do 210-702, South Korea
| | - Byung K. Lee
- College of Pharmacy, Ewha Womans University, 11-1, Daehyun-Dong, Seodaemun-Gu, Seoul 120-750, South Korea, College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, San 56-1, Shinlim-Dong, Kwanak-Gu, Seoul 151-742, South Korea, Department of Pharmacology, College of Dentistry and Research Institute of Oral Science, Kangnung-Wonju National University, 120, Gangneung Daehangno, Gangneung, Kyunggi-Do 210-702, South Korea
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Bae SH, Bae SK, Lee MG. Effect of hepatic CYP inhibitors on the metabolism of sildenafil and formation of its metabolite, N-desmethylsildenafil, in rats in vitro and in vivo. J Pharm Pharmacol 2010. [DOI: 10.1211/jpp.61.12.0008] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Abstract
Abstract
Objectives
It has been reported that hepatic cytochrome P450 (CYP)2C9 and CYP3A4 are responsible for the metabolism of sildenafil and formation of its metabolite, N-desmethylsildenafil, in humans. However, in-vivo studies in rats have not been reported.
Methods
Sildenafil (20 mg/kg) was administered intravenously to rats pretreated with sulfaphenazole, cimetidine, quinine hydrochloride or troleandomycin, inhibitors of CYP2C6, CYP2C11, CYP2D subfamily and CYP3A1/2, respectively. In-vitro studies using rat liver microsomes were also performed.
Key findings
The area under the plasma-concentration time curve (AUC) was increased and clearance of sildenafil decreased in rats pretreated with cimetidine or troleandomycin. The AUC ratio for N-desmethylsildenafil (0–4 h): sildenafil (0–∞) was significantly decreased only in rats pretreated with cimetidine. Similar results were obtained in the in-vitro study using rat liver microsomes.
Conclusions
Sildenafil is metabolised via hepatic CYP2C11 and 3A1/2, and N-desmethylsildenafil is mainly formed via hepatic CYP2C11 in rats. Thus, rats could be a good model for pharmacokinetic studies of sildenafil and N-desmethylsildenafil in humans.
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Affiliation(s)
- Soo H Bae
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, South Korea
| | - Soo K Bae
- Department of Clinical Pharmacology, Busan Paik Hospital, Inje University, Busan, South Korea
| | - Myung G Lee
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, South Korea
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Yang KH, Choi YH, Lee U, Lee JH, Lee MG. Effects of cytochrome P450 inducers and inhibitors on the pharmacokinetics of intravenous furosemide in rats: involvement of CYP2C11, 2E1, 3A1 and 3A2 in furosemide metabolism. J Pharm Pharmacol 2010. [DOI: 10.1211/jpp.61.01.0007] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Abstract
Abstract
Objectives
It has been reported that the non-renal clearance of furosemide was significantly faster in rats pretreated with phenobarbital but was not altered in rats pretreated with 3-methylcholanthrene. However, no studies on other cytochrome P450 (CYP) isozymes have yet been reported in rats.
Method
Furosemide 20 mg/kg was administered intravenously to rats pretreated with various CYP inducers –3-methylcholanthrene, orphenadrine citrate and isoniazid, inducers of CYP1A1/2, 2B1/2 and 2E1, respectively, in rats – and inhibitors – SKF-525A (a nonspecific inhibitor of CYP isozymes), sulfaphenazole, cimetidine, quinine hydrochloride and troleandomycin, inhibitors of CYP2C6, 2C11, 2D and 3A1/2, respectively, in rats.
Key findings
The non-renal clearance of furosemide was significantly faster (55.9% increase) in rats pretreated with isoniazid, but slower in those pretreated with cimetidine or troleandomycin (38.5% and 22.7% decreases, respectively), than controls. After incubation of furosemide with baculovirus-infected insect cells expressing CYP2C11, 2E1, 3A1 or 3A2, furosemide was metabolized via CYP2C11, 2E1, 3A1 and 3A2.
Conclusions
These findings could help explain possible pharmacokinetic changes of furosemide in various rat disease models (where CYP2C11, 2E1, 3A1 and/or CYP3A2 are altered) and drug–drug interactions between furosemide and other drugs (mainly metabolized via CYP2C11, 2E1, 3A1 and/or 3A2).
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Affiliation(s)
- Kyung H Yang
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, South Korea
| | - Young H Choi
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, South Korea
| | - Unji Lee
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, South Korea
| | - Joo H Lee
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, South Korea
| | - Myung G Lee
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, South Korea
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Lee JH, Yang SH, Oh JM, Lee MG. Pharmacokinetics of drugs in rats with diabetes mellitus induced by alloxan or streptozocin: comparison with those in patients with type I diabetes mellitus. J Pharm Pharmacol 2010; 62:1-23. [DOI: 10.1211/jpp.62.01.0001] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Abstract
Objectives
In rats with diabetes mellitus induced by alloxan (DMIA) or streptozocin (DMIS), changes in the cytochrome P450 (CYP) isozymes in the liver, lung, kidney, intestine, brain, and testis have been reported based on Western blot analysis, Northern blot analysis, and various enzyme activities. Changes in phase II enzyme activities have been reported also. Hence, in this review, changes in the pharmacokinetics of drugs that were mainly conjugated and metabolized via CYPs or phase II isozymes in rats with DMIA or DMIS, as reported in various literature, have been explained. The changes in the pharmacokinetics of drugs that were mainly conjugated and mainly metabolized in the kidney, and that were excreted mainly via the kidney or bile in DMIA or DMIS rats were reviewed also. For drugs mainly metabolized via hepatic CYP isozymes, the changes in the total area under the plasma concentration–time curve from time zero to time infinity (AUC) of metabolites, AUCmetabolite/AUCparent drug ratios, or the time-averaged nonrenal and total body clearances (CLNR and CL, respectively) of parent drugs as reported in the literature have been compared.
Key findings
After intravenous administration of drugs that were mainly metabolized via hepatic CYP isozymes, their hepatic clearances were found to be dependent on the in-vitro hepatic intrinsic clearance (CLint) for the disappearance of the parent drug (or in the formation of the metabolite), the free fractions of the drugs in the plasma, or the hepatic blood flow rate depending on their hepatic extraction ratios. The changes in the pharmacokinetics of drugs that were mainly conjugated and mainly metabolized via the kidney in DMIA or DMIS rats were dependent on the drugs. However, the biliary or renal CL values of drugs that were mainly excreted via the kidney or bile in DMIA or DMIS rats were faster.
Summary
Pharmacokinetic studies of drugs in patients with type I diabetes mellitus were scarce. Moreover, similar and different results for drug pharmacokinetics were obtained between diabetic rats and patients with type I diabetes mellitus. Thus, present experimental rat data should be extrapolated carefully in humans.
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Affiliation(s)
- Joo H Lee
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, South Korea
- Gastroenterology and Metabolism Products Division, Pharmaceutical Safety Bureau, Korea Food & Drug Administration, Seoul, South Korea
| | - Si H Yang
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, South Korea
| | - Jung M Oh
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, South Korea
| | - Myung G Lee
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, South Korea
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Lee JH, Kang HE, Lee MG. Pharmacokinetic interaction between telithromycin and metformin in diabetes mellitus rats. Xenobiotica 2009; 40:217-24. [DOI: 10.3109/00498250903470248] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Pharmacokinetics of ipriflavone and its two metabolites, M1 and M5, after the intravenous and oral administration of ipriflavone to rat model of diabetes mellitus induced by streptozotocin. Eur J Pharm Sci 2009; 38:465-71. [DOI: 10.1016/j.ejps.2009.09.008] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2009] [Revised: 08/25/2009] [Accepted: 09/06/2009] [Indexed: 11/20/2022]
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Krämer S, Testa B. The Biochemistry of Drug Metabolism - An Introduction. Chem Biodivers 2009; 6:1477-660, table of contents. [DOI: 10.1002/cbdv.200900233] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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Ahn CY, Bae SK, Bae SH, Kim T, Jung YS, Kim YC, Lee MG, Shin WG. Pharmacokinetics of oltipraz in diabetic rats with liver cirrhosis. Br J Pharmacol 2009; 156:1019-28. [PMID: 19226288 DOI: 10.1111/j.1476-5381.2008.00105.x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND AND PURPOSE The incidence of diabetes mellitus is increased in patients with liver cirrhosis. Oltipraz is currently in trials to treat patients with liver fibrosis and cirrhosis induced by chronic hepatitis types B and C and is primarily metabolized via hepatic cytochrome P450 isozymes CYP1A1/2, 2B1/2, 2C11, 2D1 and 3A1/2 in rats. We have studied the influence of diabetes mellitus on pharmacokinetics of oltipraz and on expression of hepatic, CYP1A, 2B1/2, 2C11, 2D and 3A in rats with experimental liver cirrhosis. EXPERIMENTAL APPROACH Oltipraz was given intravenously (10 mg x kg(-1)) or orally (30 mg x kg(-1)) to rats with liver cirrhosis induced by N-dimethylnitrosamine (LC rats) or with diabetes, induced by streptozotocin (DM rats) or to rats with both liver cirrhosis and diabetes (LCD rats) and to control rats, and pharmacokinetic variables measured. Protein expression of hepatic CYP1A, 2B1/2, 2C11, 2D and 3A was measured using Western blot analysis. KEY RESULTS After i.v. or p.o. administration of oltipraz to LC and DM rats, the AUC was significantly greater and smaller, respectively, than that in control rats. In LCD rats, the AUC was that of LC and DM rats (partially restored towards control rats). Compared with control rats, the protein expression of hepatic CYP1A increased, that of CYP2C11 and 3A decreased, but that of CYP2B1/2 and 2D was not altered in LCD rats. CONCLUSIONS AND IMPLICATIONS In rats with diabetes and liver cirrhosis, the AUC of oltipraz was partially restored towards that of control rats.
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Affiliation(s)
- C Y Ahn
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, South Korea
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Brooks SC, Brooks JS, Lee WH, Lee MG, Kim SG. Therapeutic potential of dithiolethiones for hepatic diseases. Pharmacol Ther 2009; 124:31-43. [PMID: 19563826 DOI: 10.1016/j.pharmthera.2009.06.006] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/09/2009] [Indexed: 01/09/2023]
Abstract
Comprehensive studies support the notion that oltipraz [4-methyl-5-(2-pyrazynyl)-1,2-dithiole-3-thione] and its congeners exert cancer chemopreventive effects by the prevention, inhibition or reversal of carcinogenic processes. Recently, it was found that dithiolethione compounds had the activities to prevent or treat fibrosis, insulin resistance, and mitochondrial protective effects in the liver by a mechanism involving AMP-activated protein kinase (AMPK) and/or 70-kDa ribosomal protein S6 kinase 1 (S6K1). Moreover, chemical regulation of the AMPK-S6K1 pathway was found to affect Liver X receptor (LXR) activity and lipogenesis, leading to the identification of AMPK and S6K1 as targets for treating hepatic steatosis. These biological activities of dithiolethiones may offer a novel approach to pharmaceutical intervention. This review focuses on the interaction between oltipraz and the AMPK-mTOR-S6K1 pathway, which regulates genes that confer hepatocyte protection from intoxication, disrupted energy metabolism, and inflammation. In terms of therapeutic potential, the findings reviewed here demonstrate a new therapeutic potential for dithiolethiones, which function in a unique manner, and offer the possibility of new treatments for hepatic diseases.
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Affiliation(s)
- Samuel Carroll Brooks
- Innovative Drug Research Center for Metabolic and Inflammatory Disease, College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul 151-742, South, Korea
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Choi YH, Lee DC, Lee I, Lee MG. Changes in metformin pharmacokinetics after intravenous and oral administration to rats with short‐term and long‐term diabetes induced by streptozotocin. J Pharm Sci 2008; 97:5363-75. [DOI: 10.1002/jps.21349] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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Time-dependent effects of Klebsiella pneumoniae endotoxin on the telithromycin pharmacokinetics in rats; restoration of the parameters in 96-hour KPLPS rats to the control levels. Pulm Pharmacol Ther 2008; 21:860-5. [PMID: 18976719 DOI: 10.1016/j.pupt.2008.09.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2008] [Revised: 09/10/2008] [Accepted: 09/17/2008] [Indexed: 11/22/2022]
Abstract
OBJECTIVES It has been reported that telithromycin is primarily metabolized via hepatic CYP3A4 and 3A1/2 in humans and rats, respectively, and that the protein expression of hepatic CYP3A subfamily significantly decreased (59.1% decrease) in 24-h KPLPS rats (lipopolysaccharide derived from Klebsiella pneumoniae; the protein expression was measured 24h after KPLPS administration) compared with that in control rats, but restored to that in control rats in 96-h KPLPS rats. METHODS The pharmacokinetic parameters of telithromycin were compared after intravenous and oral administration at a dose of 50mg/kg to control, 24-h KPLPS, and 96-h KPLPS rats. RESULTS After both intravenous and oral administration of telithromycin to 24-h KPLPS rats, the AUC of telithromycin became significantly greater (68.2% and 88.7% increase for intravenous and oral administration, respectively) and this could have been due to the significantly slower CL(NR) (45.7% decrease). Because telithromycin is a low hepatic extraction ratio drug, the slower CL(NR) could have been due to the decreased protein expression of the hepatic CYP3A subfamily compared with that in control rats, and was supported by the significantly slower in vitro CL(int) in hepatic microsomes (13.1% decrease). However, in 96-h KPLPS rats, the pharmacokinetic parameters of telithromycin restored fully to those in control rats due to restoration of the protein expression of the hepatic CYP3A subfamily to that in control rats. The protein expression of the intestinal CYP3A subfamily was comparable among three groups of rats. CONCLUSIONS These findings indicate the existence of the time-dependent effects of KPLPS on the pharmacokinetics of telithromycin in rats.
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Lee JH, Lee MG. Telithromycin Pharmacokinetics in Rat Model of Diabetes Mellitus Induced by Alloxan or Streptozotocin. Pharm Res 2008; 25:1915-24. [DOI: 10.1007/s11095-008-9610-7] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2007] [Accepted: 04/24/2008] [Indexed: 01/21/2023]
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Kim YC, Kang HE, Lee MG. Pharmacokinetics of phenytoin and its metabolite, 4'-HPPH, after intravenous and oral administration of phenytoin to diabetic rats induced by alloxan or streptozotocin. Biopharm Drug Dispos 2008; 29:51-61. [PMID: 18022993 DOI: 10.1002/bdd.591] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
It has been reported that diabetic patients have an increased risk of developing epileptic convulsions compared with the non-diabetic population, and phenytoin has widely been used for neuralgia in diabetic neuropathy. It has also been reported that in both diabetic rats induced by alloxan (DMIA rats) and by streptozotocin (DMIS rats), the protein expression and mRNA level of 2C11 decreased, but in DMIS rats, the protein expression of CYP2C6 increased. Thus, the pharmacokinetics of phenytoin and 4'-HPPH were investigated after intravenous or oral administration of phenytoin at a dose of 25 mg/kg to DMIA and DMIS rats. After intravenous or oral administration of phenytoin, the AUC (or AUC(0-12 h)) values of both phenytoin and 4'-HPPH were comparable (not significantly different) between each diabetic and the respective control rats. Although the exact reason is not clear, this could have been due to opposite protein expression (and/or mRNA levels) of CYP2C6 and 2C11 in diabetic rats.
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Affiliation(s)
- Yu C Kim
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, Republic of Korea
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Ahn CY, Bae SK, Jung YS, Lee I, Kim YC, Lee MG, Shin WG. Pharmacokinetic Parameters of Chlorzoxazone and Its Main Metabolite, 6-Hydroxychlorzoxazone, after Intravenous and Oral Administration of Chlorzoxazone to Liver Cirrhotic Rats with Diabetes Mellitus. Drug Metab Dispos 2008; 36:1233-41. [DOI: 10.1124/dmd.107.017442] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
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Cheng Q, Aleksunes LM, Manautou JE, Cherrington NJ, Scheffer GL, Yamasaki H, Slitt AL. Drug-metabolizing enzyme and transporter expression in a mouse model of diabetes and obesity. Mol Pharm 2008; 5:77-91. [PMID: 18189363 DOI: 10.1021/mp700114j] [Citation(s) in RCA: 92] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Obesity and type II diabetes pose a serious human health risk. Obese or diabetic patients usually take prescription drugs that require hepatic and renal metabolism and transport, and these patients sometimes display different pharmacokinetics of these drugs. Therefore, mRNA and protein expression of drug-metabolizing enzymes (DMEs) and transporters was measured in livers and kidneys of adult wild-type and ob/ob mice, which model obesity and diabetes. mRNA expression of numerous DMEs increased by at least 2-fold in livers of male ob/ob mice, including Cyp4a14, Cyp2b10, NAD(P)H:quinone oxidoreductase 1 (Nqo1), and sulfotransferase 2a1/2. In general, expression of uptake transporters was decreased in livers of ob/ob mice, namely organic anion-transporting polypeptides (Oatps) and sodium/taurocholate cotransporting polypeptide (Ntcp). In particular, Oatp1a1 mRNA and protein expression in livers of ob/ob mice was diminished to <5% and <15% of that in wild-types, respectively. Generally, the mRNA and protein expression of efflux transporters multidrug resistance-associated proteins (Mrps) was increased in livers of ob/ob mice, particularly with Mrp4 expression being elevated by at least 6-fold and Mrp2 expression at least 3-fold in livers of ob/ob mice. In kidney, Nqo1, Mrp3, 4, Oatp1a1, and organic anion transporter 2 (Oat2) showed significant alterations with mRNA expression levels in ob/ob mice, being increased for Nqo1 and Mrp4 and decreased for Mrp3, Oatp1a1, and Oat2. In summary, the expression of a number of DMEs and transporters was significantly altered in livers and kidneys of ob/ob mice. Since expression of some DMEs and transporters is regulated similarly between mouse and human, the data from this study suggest that transporter expression in liver and kidney may be changed in patients presenting with obesity and/or type II diabetes.
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Affiliation(s)
- Qiuqiong Cheng
- Department of Biomedical and Pharmaceutical Sciences, University of Rhode Island, Kingston, Rhode Island 02881, USA
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Effects of Escherichia coli lipopolysaccharide on telithromycin pharmacokinetics in rats: inhibition of metabolism via CYP3A. Antimicrob Agents Chemother 2007; 52:1046-51. [PMID: 18160519 DOI: 10.1128/aac.01210-07] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
It has been reported that telithromycin is metabolized primarily via hepatic microsomal cytochrome P450 (CYP) 3A1/2 in rats and that the expression of hepatic and intestinal CYP3A decreases in rats pretreated with Escherichia coli lipopolysaccharide (ECLPS rats; an animal model of inflammation). Thus, it is possible that the area under the plasma concentration-time curve from 0 h to infinity (AUC 0-infinity) of intravenous and oral telithromycin is greater for ECLPS rats than for the controls. To assess this, the pharmacokinetic parameters of telithromycin were compared after intravenous and oral administration (50 mg/kg). After intravenous administration of telithromycin, the AUC 0-infinity was significantly greater (by 83.4%) in ECLPS rats due to a significantly lower nonrenal clearance (by 44.5%) than in the controls. This may have been due to a significantly decreased hepatic metabolism of telithromycin in ECLPS rats. After oral administration of telithromycin, the AUC 0-infinity in ECLPS rats was also significantly greater (by 140%) than in the controls and the increase was considerably greater than the 83.4% increase after intravenous administration. This could have been due to a decrease in intestinal metabolism in addition to a decreased hepatic metabolism of telithromycin in ECLPS rats.
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Choi YH, Lee I, Lee MG. Effects of bacterial lipopolysaccharide on the pharmacokinetics of metformin in rats. Int J Pharm 2007; 337:194-201. [PMID: 17275228 DOI: 10.1016/j.ijpharm.2007.01.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2006] [Revised: 12/02/2006] [Accepted: 01/01/2007] [Indexed: 10/23/2022]
Abstract
It was reported that the hepatic microsomal cytochrome P450 (CYP) 2C11, 2D1, and 3A1 (not via the CYP1A2, 2B1/2, and 2E1) were involved in the metabolism of metformin in rats. It was also reported that the expressions of CYP2C11 and 3A2 decreased in rats pretreated with Klebsiella pneumoniae lipopolysaccharide (KPLPS). Therefore, the pharmacokinetic parameters of metformin could be changed in rats pretreated with KPLPS. Hence, the pharmacokinetic parameters of metformin were compared after both intravenous and oral administration of the drug at a dose of 100mg/kg to control rats and rats pretreated with KPLPS. After intravenous administration of metformin to rats pretreated with KPLPS, the total area under the plasma concentration-time curve from time 0 to infinity (AUC) of the drug was significantly greater (40.5% increase) than the controls due to significantly smaller CL value (27.7% decrease) than the controls. The significantly smaller CL value could be due to significantly smaller both the CL(R) and CL(NR) values (34.0% and 18.1% decrease, respectively) than the controls. The significantly smaller CL(NR) value could be due to decrease in the expressions of CYP2C11 and 3A2 in rats pretreated with KPLPS. After oral administration of metformin, the AUC of the drug was not significantly different between two groups of rats, and this may be at least partly due to decrease in absorption from the gastrointestinal tract compared with the controls.
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Affiliation(s)
- Young H Choi
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, San 56-1, Shinlim-Dong, Kwanak-Gu, Seoul 151-742, South Korea
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Lee MD, Ayanoglu E, Gong L. Drug-induced changes in P450 enzyme expression at the gene expression level: a new dimension to the analysis of drug-drug interactions. Xenobiotica 2007; 36:1013-80. [PMID: 17118918 DOI: 10.1080/00498250600861785] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Drug-drug interactions (DDIs) caused by direct chemical inhibition of key drug-metabolizing cytochrome P450 enzymes by a co-administered drug have been well documented and well understood. However, many other well-documented DDIs cannot be so readily explained. Recent investigations into drug and other xenobiotic-mediated expression changes of P450 genes have broadened our understanding of drug metabolism and DDI. In order to gain additional information on DDI, we have integrated existing information on drugs that are substrates, inhibitors, or inducers of important drug-metabolizing P450s with new data on drug-mediated expression changes of the same set of cytochrome P450s from a large-scale microarray gene expression database of drug-treated rat tissues. Existing information on substrates and inhibitors has been updated and reorganized into drug-cytochrome P450 matrices in order to facilitate comparative analysis of new information on inducers and suppressors. When examined at the gene expression level, a total of 119 currently marketed drugs from 265 examined were found to be cytochrome P450 inducers, and 83 were found to be suppressors. The value of this new information is illustrated with a more detailed examination of the DDI between PPARalpha agonists and HMG-CoA reductase inhibitors. This paper proposes that the well-documented, but poorly understood, increase in incidence of rhabdomyolysis when a PPARalpha agonist is co-administered with a HMG-CoA reductase inhibitor is at least in part the result of PPARalpha-induced general suppression of drug metabolism enzymes in liver. The authors believe this type of information will provide insights to other poorly understood DDI questions and stimulate further laboratory and clinical investigations on xenobiotic-mediated induction and suppression of drug metabolism.
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Affiliation(s)
- M D Lee
- Iconix Biosciences, Mountain View, CA 94043, USA.
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