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Chłopecka M, Kiraga Ł, Crowley K, Jank M, Latek U, Mendel M, Karlik W. Diclofenac and dexamethasone modulate the effect of cannabidiol on the rat colon motility ex vivo. J Vet Res 2023; 67:289-295. [PMID: 38143819 PMCID: PMC10740305 DOI: 10.2478/jvetres-2023-0029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 05/12/2023] [Indexed: 12/26/2023] Open
Abstract
Introduction Due to the growing interest in the use of cannabinoids in supportive therapies, they are increasingly used together with anti-inflammatory drugs. Cannabinoids inhibit gastrointestinal motility, while steroidal and nonsteroidal anti-inflammatory drugs influence motility in other ways. The aim of the research was to study the interactions between cannabidiol (CBD) and these two classes of anti-inflammatory drugs in the context of gastrointestinal motility. Dexamethasone (DEX) was selected as a steroidal drug and diclofenac (DCF) as a nonsteroidal counterpart. Material and Methods The experiments were performed on isolated rat colon strips in isometric conditions. The contractile response to acetylcholine (ACh) (1 μM) was measured with no substance applied as a control value and was measured after application of CBD (80 μM), DEX (100 μM), DCF (100 μM), or a combination of these substances. Results Cannabidiol strongly inhibited intestinal motility mediated by ACh application, DCF inhibited it non-significantly, while DEX intensified it. When CBD was co-administered with DEX, the combination inhibited intestinal motility non-significantly relative to the ACh-only control. Co-administration of CBD with DCF inhibited motility more than when these substances were administered separately. Conclusion Inhibition of the intestinal response to ACh is likely due to the synergistic effect of CBD and endogenous cannabinoids. Dexamethasone lessened the inhibitory effect of CBD, likely because of diminished availability of the arachidonic acid necessary for endogenous cannabinoid synthesis. However, diclofenac may increase endogenous cannabinoid synthesis, because of the greater availability of arachidonic acid caused by DCF blocking the cyclooxygenation pathway.
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Affiliation(s)
- Magdalena Chłopecka
- Division of Pharmacology and Toxicology, Department of Preclinical Sciences, Institute of Veterinary Medicine, Warsaw University of Life Sciences-SGGW, 02-786Warsaw, Poland
| | - Łukasz Kiraga
- Division of Pharmacology and Toxicology, Department of Preclinical Sciences, Institute of Veterinary Medicine, Warsaw University of Life Sciences-SGGW, 02-786Warsaw, Poland
| | - Kijan Crowley
- Division of Pharmacology and Toxicology, Department of Preclinical Sciences, Institute of Veterinary Medicine, Warsaw University of Life Sciences-SGGW, 02-786Warsaw, Poland
| | - Michał Jank
- Division of Pharmacology and Toxicology, Department of Preclinical Sciences, Institute of Veterinary Medicine, Warsaw University of Life Sciences-SGGW, 02-786Warsaw, Poland
| | - Urszula Latek
- Division of Pharmacology and Toxicology, Department of Preclinical Sciences, Institute of Veterinary Medicine, Warsaw University of Life Sciences-SGGW, 02-786Warsaw, Poland
| | - Marta Mendel
- Division of Pharmacology and Toxicology, Department of Preclinical Sciences, Institute of Veterinary Medicine, Warsaw University of Life Sciences-SGGW, 02-786Warsaw, Poland
| | - Wojciech Karlik
- Division of Pharmacology and Toxicology, Department of Preclinical Sciences, Institute of Veterinary Medicine, Warsaw University of Life Sciences-SGGW, 02-786Warsaw, Poland
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Mabry K, Hill T, Tolbert MK. Prevalence of gastrointestinal lesions in dogs chronically treated with nonsteroidal anti-inflammatory drugs. J Vet Intern Med 2021; 35:853-859. [PMID: 33534961 PMCID: PMC7995375 DOI: 10.1111/jvim.16057] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Revised: 01/21/2021] [Accepted: 01/22/2021] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND Nonsteroidal anti-inflammatory drugs (NSAIDs) are the most common pharmaceutical associated with gastroduodenal ulceration and perforation. The prevalence of gastrointestinal (GI) injury associated with chronic use of NSAIDs in dogs is unknown. OBJECTIVE/HYPOTHESIS To determine the prevalence of GI mucosal erosions in dogs receiving chronic treatment with NSAIDs. We hypothesized that dogs receiving NSAIDs would have more GI mucosal erosions and longer GI transit time than a control population. ANIMALS Fourteen client-owned medium- and large-breed dogs receiving an NSAID for at least 30 days and 11 client-owned control dogs undergoing video capsule endoscopy (VCE) for evaluation of chronic GI disease. METHODS Dogs were prospectively recruited after determining no clinically relevant comorbidities were present and VCE was performed. The GI transit time and the presence of mucosal lesions were recorded. RESULTS Twelve dogs receiving NSAIDs and 11 retrospectively evaluated control dogs were included. The NSAIDs administered included carprofen (9 dogs), meloxicam (2 dogs), and firocoxib (1 dog) for a median of 6 months. Ten (83.3%; 95% confidence interval; 51.6%-97.9%) NSAID-treated dogs had GI erosions. Erosions were seen with all 3 NSAIDs in at least 1 dog. Three of 11 control dogs had gastric erosions. Dogs receiving NSAIDs had more erosions detected (P = .004). CONCLUSIONS AND CLINICAL RELEVANCE Subclinical GI erosions are more common in dogs receiving chronic treatment with NSAIDs than in control dogs with chronic GI disease, suggesting that NSAIDs be used with caution, particularly in dogs with comorbidities predisposing them to GI ulceration.
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Affiliation(s)
- Kasey Mabry
- Department of Small Animal Medicine and Surgery, College of Veterinary Medicine, The University of Georgia, Athens, Georgia, USA
| | - Tracy Hill
- Department of Veterinary Clinical Services, College of Veterinary Medicine, University of Minnesota, St. Paul, Minnesota, USA
| | - Mary Katherine Tolbert
- Department of Small Animal Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Texas A & M University, College Station, Texas, USA
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da Silva JCG, Dallegrave E, Rodrigues GZP, Bigolin C, Neumann TMSDO, Schuster AC, Kayser JM, Staudt LBM, Moraes MF, Farias DG, Schiling G, Raasch JR, Perassolo MS, da Silva LB, Gehlen G, Betti AH. Repeated dose of meloxicam induces genotoxicity and histopathological changes in cardiac tissue of mice. Drug Chem Toxicol 2020; 45:822-833. [PMID: 32552192 DOI: 10.1080/01480545.2020.1778018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Meloxicam is the non-steroidal anti-inflammatory drug most used in small animals; however, studies on genotoxicity, oxidative stress, and histopathologic alterations in cardiac tissue are limited, especially at therapeutical doses used in these animals. This study evaluated the toxic effects caused by the treatment involving repeated low at higher doses of meloxicam in mice, by genotoxicity, oxidative stress, and histopathological parameters. Mice (CF1, male) received, by gavage, meloxicam at the therapeutic dose indicated for small animals (0.1 mg/kg) and at higher doses (0.5 and 1 mg/kg) for 28 days. Later, they were euthanized for blood and organ analysis. Oxidative stress was analyzed by the plasma ferric reduction capacity (FRAP) and catalase, and genotoxicity, by the comet assay and the micronucleus test. Heart, liver, lung, and kidney tissues were analyzed by the histology, and stomach and duodenum were analyzed with a magnifying glass. The relative weight of organs did not present significant alterations. However, congestion of duodenum vessels was observed at the three tested doses and caused hyperemia of stomach mucosa at 1 mg/kg. In the heart histology there was a reduction in the number of cardiomyocytes, accompanied by an increase in cell diameter (possible cell hypertrophy) dose-dependent. The highest tested dose of meloxicam also increased the DNA damage index, without alterations in the micronucleus test. Meloxicam did not affect the catalase activity but increased the FRAP (1 mg/kg). Meloxicam at the dose prescribed for small animals could potentially cause cardiac histopathologic alterations and genotoxic effects.
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Affiliation(s)
| | - Eliane Dallegrave
- Toxicology Department, Federal University of Health Sciences of Porto Alegre, Porto Alegre, Rio Grande do Sul, Brazil
| | | | - Cassiana Bigolin
- Bioanalysis Department, Institute of Health Sciences, Feevale University, Novo Hamburgo, Rio Grande do Sul, Brazil
| | | | - Andriéli Carolina Schuster
- Bioanalysis Department, Institute of Health Sciences, Feevale University, Novo Hamburgo, Rio Grande do Sul, Brazil
| | - Juliana Machado Kayser
- Bioanalysis Department, Institute of Health Sciences, Feevale University, Novo Hamburgo, Rio Grande do Sul, Brazil
| | | | - Melina Floriano Moraes
- Bioanalysis Department, Institute of Health Sciences, Feevale University, Novo Hamburgo, Rio Grande do Sul, Brazil
| | - Débora Graziela Farias
- Bioanalysis Department, Institute of Health Sciences, Feevale University, Novo Hamburgo, Rio Grande do Sul, Brazil
| | - Gabriela Schiling
- Bioanalysis Department, Institute of Health Sciences, Feevale University, Novo Hamburgo, Rio Grande do Sul, Brazil
| | - Juliana Raquel Raasch
- Bioanalysis Department, Institute of Health Sciences, Feevale University, Novo Hamburgo, Rio Grande do Sul, Brazil
| | - Magda Susana Perassolo
- Bioanalysis Department, Institute of Health Sciences, Feevale University, Novo Hamburgo, Rio Grande do Sul, Brazil
| | - Luciano Basso da Silva
- Bioanalysis Department, Institute of Health Sciences, Feevale University, Novo Hamburgo, Rio Grande do Sul, Brazil
| | - Günther Gehlen
- Bioanalysis Department, Institute of Health Sciences, Feevale University, Novo Hamburgo, Rio Grande do Sul, Brazil
| | - Andresa Heemann Betti
- Bioanalysis Department, Institute of Health Sciences, Feevale University, Novo Hamburgo, Rio Grande do Sul, Brazil
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Zhang L, Gong JT, Zhang HQ, Song QH, Xu GH, Cai L, Tang XD, Zhang HF, Liu FE, Jia ZS, Zhang HW. Melatonin Attenuates Noise Stress-induced Gastrointestinal Motility Disorder and Gastric Stress Ulcer: Role of Gastrointestinal Hormones and Oxidative Stress in Rats. J Neurogastroenterol Motil 2015; 21:189-99. [PMID: 25537679 PMCID: PMC4398253 DOI: 10.5056/jnm14119] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2014] [Revised: 11/05/2014] [Accepted: 11/05/2014] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND/AIMS There are increasing evidences for gastrointestinal motility disorder (GIMD) and gastric stress ulcer induced by noise stress. The present study was to investigate the reversed effect of melatonin on GIMD and gastric stress ulcer induced by noise stress and potential mechanism. METHODS Noise stress was induced on rats, and melatonin (15 mg/kg) was administered to rats by intraperitoneal injection. Differences were assessed in gastric residual rate (GRR), small intestine propulsion rate (SPR), Guth injury score, cortisol, gastrointestinal hormones (calcitonin-gene-related peptide and motilin) and oxidative stress markers (superoxide dismutase and malondialde hyde) in blood plasma as well as gastric mucosa homogenate with or without melatonin. The pathological examination of gastric mucosa was also performed. RESULTS The GRR and SPR were improved by noise stress compared with control (P < 0.05). The pathological examination and Guth injury score revealed gastric stress ulcer. Moreover, the levels of cortisol, motilin and malondialdehyde in blood plasma and ma-londialdehyde in gastric mucosa homogenate were increased by noise stress (P < 0.05). CGRP and superoxide dismutase activ-ity in both of blood plasma and gastric mucosa homogenate were significantly decreased (P< 0.05). Furthermore, melatonin reversed changes in GRR, SPR, pathological examination, Guth injury score, cortisol, motilin, CGRP, superoxide dismutase activity and malondialdehyde (P < 0.05). CONCLUSIONS Melatonin is effective in reversing the GIMD and gastric stress ulcer induced by noise stress. The underlying mechanism may be involved in oxidative stress and gastrointestinal hormones.
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Affiliation(s)
- Lei Zhang
- Experiment Teaching Center of Basic Medicine, The Fourth Military Medical University, Xi'an, Shan Xi province, China.,Department of General Surgery, No.406 hospital, Da Lian, Liao Ning Province, China.,State Key Laboratory of Cancer Biology, Xijing Hospital of Digestive Diseases, The Fourth Military Medical University, Xi'an, Shan Xi Province, China
| | - Ji T Gong
- Department of Otorhinolaryngology, Baoji Hospital of Chinese Medicine, Shan Xi Province, China
| | - Hu Q Zhang
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, Shan Xi Province, China
| | - Quan H Song
- Department of General Surgery, No.406 hospital, Da Lian, Liao Ning Province, China
| | - Guang H Xu
- State Key Laboratory of Cancer Biology, Xijing Hospital of Digestive Diseases, The Fourth Military Medical University, Xi'an, Shan Xi Province, China
| | - Lei Cai
- State Key Laboratory of Cancer Biology, Xijing Hospital of Digestive Diseases, The Fourth Military Medical University, Xi'an, Shan Xi Province, China
| | - Xiao D Tang
- Department of General Surgery, No.406 hospital, Da Lian, Liao Ning Province, China
| | - Hai F Zhang
- Experiment Teaching Center of Basic Medicine, The Fourth Military Medical University, Xi'an, Shan Xi province, China
| | - Fang-E Liu
- Experiment Teaching Center of Basic Medicine, The Fourth Military Medical University, Xi'an, Shan Xi province, China
| | - Zhan S Jia
- Department of Infectious Diseases, Tangdu Hospital, the Fourth Military Medical University, Xi'an, China
| | - Hong W Zhang
- State Key Laboratory of Cancer Biology, Xijing Hospital of Digestive Diseases, The Fourth Military Medical University, Xi'an, Shan Xi Province, China
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Eleawa S, Bin-Jaliah I, Alkhateeb M, Bayoumy N, Alessa R, Sakr H. The impact of dehydroepiandrosterone on indomethacin-induced gastric lesions in rats. ACTA ACUST UNITED AC 2014; 101:77-87. [DOI: 10.1556/aphysiol.101.2014.1.9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Johnston SA, McLaughlin RM, Budsberg SC. Nonsurgical Management of Osteoarthritis in Dogs. Vet Clin North Am Small Anim Pract 2008; 38:1449-70, viii. [DOI: 10.1016/j.cvsm.2008.08.001] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Morsy MA, Fouad AA. Mechanisms of gastroprotective effect of eugenol in indomethacin-induced ulcer in rats. Phytother Res 2008; 22:1361-6. [DOI: 10.1002/ptr.2502] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Punke JP, Speas AL, Reynolds LR, Budsberg SC. Effects of firocoxib, meloxicam, and tepoxalin on prostanoid and leukotriene production by duodenal mucosa and other tissues of osteoarthritic dogs. Am J Vet Res 2008; 69:1203-9. [DOI: 10.2460/ajvr.69.9.1203] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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