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Wen X, Li F. Fluorescent Determination of Esterase in Living Cells by A Low-Dosage, Ultra-Sensitive Probe Based on Aggregation Induced Emission (AIE). ANAL LETT 2022. [DOI: 10.1080/00032719.2022.2151613] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Xiaoye Wen
- Department of Chemistry, Shanxi Normal University, Taiyuan, Shanxi, China
| | - Fang Li
- Department of Chemistry, Shanxi Normal University, Taiyuan, Shanxi, China
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Yin Y, Kong X, Li M, Wang J, Dai X, Zhang Y, Lin W. Development of an esterase fluorescent probe based on naphthalimide-benzothiazole conjugation and its applications for qualitative detection of esterase in orlistat-treated biosamples. Anal Chim Acta 2022; 1190:339248. [PMID: 34857133 DOI: 10.1016/j.aca.2021.339248] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 10/31/2021] [Accepted: 11/01/2021] [Indexed: 11/17/2022]
Abstract
Esterase is a large hydrolysis family, and widely distributed in many kinds of cells. It is responsible for multiple physiological and pathological functions including metabolism, gene expression. While abnormality of esterase is associated with many pathological activities in obesity, Wolman's disease, and cancer. Thereby, it is essential to design an effective tool for esterase in situ detection in biological systems. Herein, a novel fluorescent probe Y-1 for monitoring esterase in living cells was rationally designed. Probe Y-1 was synthesized by the conjugation between an acetylation of 4-hydroxy naphthalimide and benzothiazole group. Benzothiazole moiety is a typical Excited-state intramolecular proton transfer (ESIPT) controller. Acetate group was selected as the responsive site and ESIPT initiator. As the acetate group could block the ESIPT effect, the probe emits no fluorescence under the excitation of 455 nm. When binding with esterase, Y-1 shows distinct fluorescence with the peak at 560 nm with short time when ESIPT is on. Y-1 displays high sensitivity (LOD is 0.216 × 10-3 U/mL), fast response (within 5 min), high selectivity and photostability towards esterase. Furthermore, the %RSD (relative standard deviation) of within-day and day-to-day precision was no more than 13.0% and the accuracy ranged from -6.5 to -12.3%. Kinetics performance of Y-1 indicates that esterase has high affinity and hydrolysis to Y-1. For biological applications, our probe is a time-dependent visualizing esterase in living HepG2 and CoLo205 cells within 15 min. After the treatment of orlistat (1 and 5 μM) for inhibiting the activity of esterase, the bright fluorescence has also been detected using our probe. Furthermore, it has been successful in monitoring the esterase in zebrafish, the data were consistent with cellular phenomena. Therefore, all these findings indicate that the robust probe Y-1 is a useful qualitative tool for detecting esterase in biological systems.
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Affiliation(s)
- Yaguang Yin
- Institute of Fluorescent Probes for Biological Imaging, School of Chemistry and Chemical Engineering, University of Jinan, Jinan, Shandong, 250022, PR China
| | - Xiuqi Kong
- Institute of Fluorescent Probes for Biological Imaging, School of Chemistry and Chemical Engineering, University of Jinan, Jinan, Shandong, 250022, PR China
| | - Min Li
- Institute of Fluorescent Probes for Biological Imaging, School of Chemistry and Chemical Engineering, University of Jinan, Jinan, Shandong, 250022, PR China
| | - Jingchao Wang
- Institute of Fluorescent Probes for Biological Imaging, School of Chemistry and Chemical Engineering, University of Jinan, Jinan, Shandong, 250022, PR China
| | - Xiaoyu Dai
- Institute of Fluorescent Probes for Biological Imaging, School of Chemistry and Chemical Engineering, University of Jinan, Jinan, Shandong, 250022, PR China
| | - Yunyan Zhang
- Institute of Fluorescent Probes for Biological Imaging, School of Chemistry and Chemical Engineering, University of Jinan, Jinan, Shandong, 250022, PR China
| | - Weiying Lin
- Institute of Fluorescent Probes for Biological Imaging, School of Chemistry and Chemical Engineering, University of Jinan, Jinan, Shandong, 250022, PR China; Guangxi Key Laboratory of Electrochemical Energy Materials, Institute of Optical Materials and Chemical Biology, School of Chemistry and Chemical Engineering, Guangxi University, Nanning, Guangxi, 530004, PR China.
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3
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Abstract
Gut barrier failure is often present in severe acute pancreatitis (SAP), and it increases the gut permeability, leads to translocation of bacteria or endotoxin, causes severe infection and multiple organ dysfunction syndrome, and worsens the course of the disease. The injury of gut barrier may result from the interactions among microcirculation disturbance, ischemia-reperfusion injury, excessive release of inflammatory mediators, apoptosis, flora imbalance and so on. The research on the mechanism of gut barrier failure caused by SAP is of important significance for the treatment of SAP.
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Steinbach C, Grabic R, Fedorova G, Koba O, Golovko O, Grabicova K, Kroupova HK. Bioconcentration, metabolism and half-life time of the human therapeutic drug diltiazem in rainbow trout Oncorhynchus mykiss. CHEMOSPHERE 2016; 144:154-159. [PMID: 26356646 DOI: 10.1016/j.chemosphere.2015.08.038] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2015] [Accepted: 08/10/2015] [Indexed: 06/05/2023]
Abstract
Diltiazem is a human therapeutic drug and a member of the group of calcium channel blockers having widespread use in the treatment of angina pectoris and hypertension. The objective of the present study was to assess the bioconcentration, metabolism, and half-life time of diltiazem in rainbow trout Oncorhynchus mykiss. Juvenile trout were exposed for 21 and 42 days to three nominal concentrations of diltiazem: 0.03 µg L(-1) (environmentally relevant concentration), 3 µg L(-1), and 30 µg L(-1) (sub-lethal concentrations). The bioconcentration factor (BCF) of diltiazem was relatively low (0.5-194) in analysed tissues, following the order kidney > liver > muscle > blood plasma. The half-life of diltiazem in liver, kidney, and muscle was 1.5 h, 6.2 h, and 49 h, respectively. The rate of metabolism for diltiazem in liver, kidney, muscle, and blood plasma was estimated to be 85 ± 9%, 64 ± 14%, 46 ± 6%, and 41 ± 8%, respectively. Eight diltiazem metabolites were detected. The presence of desmethyl diltiazem (M1), desacetyl diltiazem (M2), and desacetyl desmethyl diltiazem (M3) suggests that rainbow trout metabolize diltiazem mainly via desmethylation and desacetylation, similar to mammals. In addition, diltiazem undergoes hydroxylation in fish. At environmentally relevant concentrations, diltiazem and its metabolites were identified in liver and kidney, indicating the potential for uptake and metabolism in non-target organisms in the aquatic environment.
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Affiliation(s)
- Christoph Steinbach
- Research Institute of Fish Culture and Hydrobiology, South Bohemian Research Centre of Aquaculture and Biodiversity of Hydrocenoses, Faculty of Fisheries and Protection of Waters, University of South Bohemia in Ceske Budejovice, Zatisi 728/II, 389 25, Vodnany, Czech Republic.
| | - Roman Grabic
- Research Institute of Fish Culture and Hydrobiology, South Bohemian Research Centre of Aquaculture and Biodiversity of Hydrocenoses, Faculty of Fisheries and Protection of Waters, University of South Bohemia in Ceske Budejovice, Zatisi 728/II, 389 25, Vodnany, Czech Republic
| | - Ganna Fedorova
- Research Institute of Fish Culture and Hydrobiology, South Bohemian Research Centre of Aquaculture and Biodiversity of Hydrocenoses, Faculty of Fisheries and Protection of Waters, University of South Bohemia in Ceske Budejovice, Zatisi 728/II, 389 25, Vodnany, Czech Republic
| | - Olga Koba
- Research Institute of Fish Culture and Hydrobiology, South Bohemian Research Centre of Aquaculture and Biodiversity of Hydrocenoses, Faculty of Fisheries and Protection of Waters, University of South Bohemia in Ceske Budejovice, Zatisi 728/II, 389 25, Vodnany, Czech Republic
| | - Oksana Golovko
- Research Institute of Fish Culture and Hydrobiology, South Bohemian Research Centre of Aquaculture and Biodiversity of Hydrocenoses, Faculty of Fisheries and Protection of Waters, University of South Bohemia in Ceske Budejovice, Zatisi 728/II, 389 25, Vodnany, Czech Republic
| | - Katerina Grabicova
- Research Institute of Fish Culture and Hydrobiology, South Bohemian Research Centre of Aquaculture and Biodiversity of Hydrocenoses, Faculty of Fisheries and Protection of Waters, University of South Bohemia in Ceske Budejovice, Zatisi 728/II, 389 25, Vodnany, Czech Republic
| | - Hana Kocour Kroupova
- Research Institute of Fish Culture and Hydrobiology, South Bohemian Research Centre of Aquaculture and Biodiversity of Hydrocenoses, Faculty of Fisheries and Protection of Waters, University of South Bohemia in Ceske Budejovice, Zatisi 728/II, 389 25, Vodnany, Czech Republic
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5
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Ye N, Tang M, Ye H, Wang C, Wang C, Yang Q, Wan L, Chen L. 13C stable isotope labeling followed by ultra-high performance liquid chromatography/quadrupole time-of-flight tandem mass spectrometry (UHPLC/Q-TOF MS) was applied to identify the metabolites of honokiol in rat small intestines. ANALYTICAL METHODS 2015. [DOI: 10.1039/c4ay02403f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Honokiol, as a pharmacological active small-molecule, has received significant attention for its strong pharmacological effects without remarkable toxicity.
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Affiliation(s)
- Na Ye
- School of Pharmacy
- Chengdu University of TCM
- The Ministry of Education Key Laboratory of Standardization of Chinese Herbal Medicine
- State Key Laboratory Breeding Base of Systematic Research
- Development and Utilization of Chinese Medicine Resources
| | - Minghai Tang
- State Key Laboratory of Biotherapy
- West China Hospital
- West China Medical School
- Sichuan University
- Chengdu 610041
| | - Haoyu Ye
- State Key Laboratory of Biotherapy
- West China Hospital
- West China Medical School
- Sichuan University
- Chengdu 610041
| | - Chunyan Wang
- School of Pharmacy
- Chengdu University of TCM
- The Ministry of Education Key Laboratory of Standardization of Chinese Herbal Medicine
- State Key Laboratory Breeding Base of Systematic Research
- Development and Utilization of Chinese Medicine Resources
| | - Chunyu Wang
- State Key Laboratory of Biotherapy
- West China Hospital
- West China Medical School
- Sichuan University
- Chengdu 610041
| | - Qiunan Yang
- School of Pharmacy
- Chengdu University of TCM
- The Ministry of Education Key Laboratory of Standardization of Chinese Herbal Medicine
- State Key Laboratory Breeding Base of Systematic Research
- Development and Utilization of Chinese Medicine Resources
| | - Li Wan
- School of Pharmacy
- Chengdu University of TCM
- The Ministry of Education Key Laboratory of Standardization of Chinese Herbal Medicine
- State Key Laboratory Breeding Base of Systematic Research
- Development and Utilization of Chinese Medicine Resources
| | - Lijuan Chen
- State Key Laboratory of Biotherapy
- West China Hospital
- West China Medical School
- Sichuan University
- Chengdu 610041
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Sarti F, Barthelmes J, Iqbal J, Hintzen F, Bernkop-Schnürch A. Intestinal enzymatic metabolism of drugs. J Pharm Pharmacol 2011; 63:392-9. [DOI: 10.1111/j.2042-7158.2010.01224.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Abstract
Objectives
The intestinal stability of perorally administered drugs has so far been determined using simulated intestinal fluid containing porcine pancreatin (SIF/P), as human gastrointestinal fluids are in most cases not available. In this study the metabolism of six low molecular mass drugs in SIF/P was compared with that in freshly collected porcine intestinal juice and on excised porcine intestinal mucosa.
Methods
The drugs used were oseltamivir, atazanavir, diloxanide, diltiazem, cephalothin and cefoxitin. Metabolism studies were carried out by incubating each drug in the in-vitro models and by analysing the percentage of unmodified remaining drug at fixed time points.
Key findings
Three drugs showed higher degradation on porcine mucosa compared with that in SIF/P and for five compounds a significantly higher metabolism in collected porcine intestinal juice versus SIF/P was observed. Metabolism of diloxanide furoate in collected intestinal juice, for example, was 40-fold higher compared with SIF/P. Moreover, the involvement of different metabolic pathways in porcine mucosa and intestinal juice was observed for cephalothin, being metabolized to desacetylcephalothin and thienyl-acetylglycine, whereas these metabolites were not found in SIF/P. In addition, diltiazem solution (0.25% m/v) was found to be significantly degraded in intestinal juice whereas its metabolism in SIF/P was negligible.
Conclusions
These findings demonstrated that the use of SIF/P for evaluation of presystemic drug metabolism could be highly misleading. Incubation of drugs in freshly collected porcine intestinal juice will likely lead to the improvement of the mimicry of body conditions to evaluate presystemic drug metabolism.
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Affiliation(s)
- Federica Sarti
- Department of Pharmaceutical Technology, Institute of Pharmacy, University of Innsbruck, Innrain, Josef Möller Haus, Innsbruck, Austria
| | - Jan Barthelmes
- Department of Pharmaceutical Technology, Institute of Pharmacy, University of Innsbruck, Innrain, Josef Möller Haus, Innsbruck, Austria
| | - Javed Iqbal
- Department of Pharmaceutical Technology, Institute of Pharmacy, University of Innsbruck, Innrain, Josef Möller Haus, Innsbruck, Austria
| | - Fabian Hintzen
- Department of Pharmaceutical Technology, Institute of Pharmacy, University of Innsbruck, Innrain, Josef Möller Haus, Innsbruck, Austria
| | - Andreas Bernkop-Schnürch
- Department of Pharmaceutical Technology, Institute of Pharmacy, University of Innsbruck, Innrain, Josef Möller Haus, Innsbruck, Austria
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Li P, Zhu CL, Zhang XX, Gan L, Yu HZ, Gan Y. Reversible inhibitory effects of saturated and unsaturated alkyl esters on the carboxylesterases activity in rat intestine. Lipids 2010; 45:603-12. [PMID: 20532832 DOI: 10.1007/s11745-010-3434-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2010] [Accepted: 05/19/2010] [Indexed: 10/19/2022]
Abstract
This study was conducted to investigate the relationship between the carbon chain length/double bonds of alkyl esters and their inhibitory potency/mechanism on carboxylesterases (CESs). CESs activity was evaluated by inhibition of adefovir dipivoxil (ADV) metabolism in rat intestinal homogenates. Furthermore, the inhibitory effect of BNPP and ethyl (E)-hex-2-enoate (C8:1) on drug absorption was evaluated in situ intestinal perfusion model. The results showed that the rank order of the inhibitory potency on CESs was C10:0 > C8:0 > C6:0 > C4:0 > C12:0, C8:1 > C8:0, C6:1 > C6:0, while the esters (C14:0, C13:1, C16:0, C18:0, C17:1, C20:0) were found to have no inhibitory effect at investigated concentrations. However, the unsaturated esters (C20:1, C20:2, C20:3) displayed the inhibitory effect on CESs. Moreover, the double reciprocal plots indicated that alky esters inhibited the CESs in competitive and mixed competitive ways which were reversible. In addition, the result of most effective CESs inhibitor C8:1 from in situ experiment showed that C8:1 can inhibit the CESs-mediated intestinal metabolism and improve the drug absorption. And the inhibition had no time-dependent effect, compared with that of BNPP groups. The study suggested that alkyl esters can be served as effective and reversible CESs inhibitors, besides that their inhibitory potency/mechanism can be affected by their carbon chain length/double bonds.
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Affiliation(s)
- Ping Li
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai, 201203, China
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Ogura J, Maruyama H, Kobayashi M, Itagaki S, Iseki K. Pharmacokinetics of Oral and Intravenous Administration of Digoxin after Intestinal Ischemia-Reperfusion. Biol Pharm Bull 2010; 33:922-5. [DOI: 10.1248/bpb.33.922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Jiro Ogura
- Laboratory of Clinical Pharmaceutics & Therapeutics, Division of Pharmasciences, Faculty of Pharmaceutical Sciences, Hokkaido University
| | - Hajime Maruyama
- Laboratory of Clinical Pharmaceutics & Therapeutics, Division of Pharmasciences, Faculty of Pharmaceutical Sciences, Hokkaido University
| | - Masaki Kobayashi
- Laboratory of Clinical Pharmaceutics & Therapeutics, Division of Pharmasciences, Faculty of Pharmaceutical Sciences, Hokkaido University
| | - Shirou Itagaki
- Laboratory of Clinical Pharmaceutics & Therapeutics, Division of Pharmasciences, Faculty of Pharmaceutical Sciences, Hokkaido University
| | - Ken Iseki
- Laboratory of Clinical Pharmaceutics & Therapeutics, Division of Pharmasciences, Faculty of Pharmaceutical Sciences, Hokkaido University
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9
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Ogura J, Kobayashi M, Itagaki S, Hirano T, Iseki K. Alteration of Mrp2 and P-gp expression, including expression in remote organs, after intestinal ischemia-reperfusion. Life Sci 2008; 82:1242-8. [PMID: 18538350 DOI: 10.1016/j.lfs.2008.04.019] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2007] [Revised: 04/07/2008] [Accepted: 04/07/2008] [Indexed: 02/03/2023]
Abstract
The present study was carried out in order to identify the changes in expression of multidrug resistance-associated protein (Mrp) 2 and P-glycoprotein (P-gp) in the intestine and remote organs after intestinal ischemia-reperfusion (I/R). Mrp2 expression in the jejunum and liver was decreased at 6 h after I/R. This decrease in Mrp2 expression was associated with an increase in the serum level of IL-6. These results suggest that the decreased Mrp2 expression after intestinal I/R was regulated by IL-6. The expression level of mdr1a in the ileum, which encodes P-gp, was decreased at 6 and 24 h after I/R, and the expression level of mdr1b, also encodes P-gp, was not altered at any time. P-gp protein expression in the ileum was decreased at 6 h after I/R. In the liver, mdr1a expression was decreased at 6 h after I/R, but mdr1b expression was increased at 6 h after I/R. P-gp protein was not altered at any time. In the kidney, mdr1a expression was decreased at 24 h after I/R, but mdr1b expression was not altered at any time. P-gp protein expression in the kidney was decreased at 24 h after I/R, as was mdr1a expression. These results suggest that P-gp expression after intestinal I/R differs in each organ. This is the first report to provide evidence that expression levels of transporters in remote organs are altered intestinal after I/R.
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Affiliation(s)
- Jiro Ogura
- Laboratory of Clinical Pharmaceutics and Therapeutics, Division of Pharmasciences, Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-12-jo, Nishi-6-chome, Kita-ku, Sapporo 060-0812, Japan
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Tomita M, Takizawa Y, Kishimoto H, Hayashi M. Assessment of ileal epithelial P-glycoprotein dysfunction induced by ischemia/reperfusion using in vivo animal model. Drug Metab Pharmacokinet 2008; 23:356-63. [PMID: 18974613 DOI: 10.2133/dmpk.23.356] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
We presented the ischemia/reperfusion (I/R) model which can evaluate changes in P-glycoprotein (P-gp) function induced by lipid peroxidation using surgical-sutures connected with the spring balance. The superior mesenteric artery and vein was occluded by hanging itself using surgical-sutures connected with the spring balance for 60 min (ischemia), followed by reperfusion by cutting of sutures. To determine the hanging force of blood vessel during ischemia, treatment at the hanging force of 50g load, 100g load and 150g load for 60 min was carried out and survival rate was evaluated. Although our 150g load group had some effect on survival, the survival was 100% in the case of 50g and 100g load groups. Thiobarbituric acid-reactive substance (TBA-RS) as an indicator of lipid peroxidation and P-gp expression level after I/R was increased and decreased in a load-dependent manner during ischemia, respectively. Also, the decrease in the level of mdr1a mRNA and function of P-gp by I/R depended on load during ischemia. The changes in TBA-RS, P-gp expression level and P-gp function observed in this study corresponded with our in vitro I/R model reported previously. In conclusion, it was shown that this in vivo I/R model can evaluate the function of P-gp through lipid peroxidation.
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Affiliation(s)
- Mikio Tomita
- Department of Drug Absorption and Pharmacokinetics, School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, Tokyo, Japan.
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Molina AJ, Merino G, Prieto JG, Real R, Mendoza G, Alvarez AI. Absorption and metabolism of albendazole after intestinal ischemia/reperfusion. Eur J Pharm Sci 2007; 31:16-24. [PMID: 17350811 DOI: 10.1016/j.ejps.2007.01.008] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2006] [Revised: 01/26/2007] [Accepted: 01/27/2007] [Indexed: 12/14/2022]
Abstract
Pathophysiological processes involving inflammatory response may affect absorption and biotransformation of some drugs, modifying their pharmacokinetic behaviour. Ischemia/reperfusion (I/R) injury has been used as a model for inflammatory processes. The aim of this work was to study the effect of intestinal I/R injury on the absorption and metabolism processes of one orally administered drug, albendazole that is anthelmintic drug, it undergoes intestinal bioconversion into albendazole sulfoxide by two enzymatic systems, cytochromes P450 (CYP450) and flavin-containing monooxygenase (FMO). Male Wistar rats were used to study the influence of I/R in the intestinal absorption and metabolism of albendazole, after 60 min of mesenteric occlusion and 30 min of reperfusion. The intestinal studies were performed in microsomal, and everted ring incubations. During in situ studies, the I/R group had faster disappearance of albendazole from the lumen. In addition, albendazole only appeared in blood samples of the I/R group, while albendazole sulfoxide appeared in both samples and was higher in the control group. These findings are supported by significant reductions of albendazole sulfoxide formation in intestinal everted ring assays and in microsomal incubations after the I/R process. Both metabolizing systems, CYP4503A and FMO, were affected by I/R. Our data indicate that I/R injury, considered as an inflammatory model, reduces absorption and metabolism processes of albendazole.
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Affiliation(s)
- Antonio J Molina
- Department of Physiology, Faculty of Veterinary Medicine, University of Leon, Campus de Vegazana, 24071 Leon, Spain
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