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Siengdee P, Pradit W, Chomdej S, Nganvongpanit K. Determination of two fluoroquinolones and their combinations with hyaluronan effect in in vitro canine cartilage explants. PeerJ 2019; 7:e6553. [PMID: 30881764 PMCID: PMC6419719 DOI: 10.7717/peerj.6553] [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: 10/17/2018] [Accepted: 02/02/2019] [Indexed: 11/29/2022] Open
Abstract
Background Previous studies reported the effect of enrofloxacin (Enro) and marbofloxacin (Mar) on cell death and alteration of the key genes involved in catabolic and anabolic processes and demonstrated the beneficial effects of hyaluronan (HA) combined with fluoroquinolones (FQs) on primary canine chondrocytes. This study further determines the effects of these treatments on canine cartilage explants in both normal and interleukin-1 beta (IL-1β)-stimulated conditions. Methods We examined sulfate glycosaminoglycan (s-GAG) release, uronic acid (UA) content, and safranin-O staining, as well as the expression patterns of inflammatory, extracellular matrix (ECM) component and enzymes. Results Enro treatment alone effectively stimulated proteoglycan anabolism by increasing UA content and glycosaminoglycans (GAGs) in normal and pre-IL-1β-stimulated explant, whereas Mar showed opposite results. The combination of HA and FQs increased s-GAG release and UA content in normal explants in addition to effective down-regulated expression of MMP3. HA reduced the adverse effects of Mar by enhancing UA and GAG contents in both normal and pre-IL-1β-explants. Moreover, HA effectively induced HAS1and ACANup-regulation and reduced MMP9, TNF, PTGS2,and NFKB1 expression for a long term. Discussion Our results suggest the direct effects of Enro and Mar may selectively stimulate the conditioned explants to express MMP-codinggenes and promote gene expression involved in matrix production, pro-inflammatory cytokines, and cell degradation in different directions. HA successfully reduced the adverse effects of FQs by enhancing s-GAG and UA contents and down-regulated expression of MMPs.
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Affiliation(s)
- Puntita Siengdee
- Animal Bone and Joint Research Laboratory, Department of Veterinary Biosciences and Public Health, Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai, Thailand.,Excellence Center in Veterinary Bioscience, Chiang Mai University, Chiang Mai, Thailand
| | - Waranee Pradit
- Science and Technology Research Institute, Chiang Mai University, Chiang Mai, Thailand
| | - Siriwadee Chomdej
- Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai, Thailand
| | - Korakot Nganvongpanit
- Animal Bone and Joint Research Laboratory, Department of Veterinary Biosciences and Public Health, Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai, Thailand.,Excellence Center in Veterinary Bioscience, Chiang Mai University, Chiang Mai, Thailand
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González Borroto JI, Awori MS, Chouinard L, Smith SY, Tarragó C, Blazquez T, Gargallo-Viola D, Zsolt I. Studies on articular and general toxicity of orally administered ozenoxacin in juvenile rats and dogs. Future Microbiol 2018; 13:31-40. [PMID: 29745239 DOI: 10.2217/fmb-2017-0291] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
AIM Ozenoxacin is a nonfluorinated quinolone antibacterial approved for topical treatment of impetigo. Because quinolones have known chondrotoxic effects in juvenile animals, the potential toxicity of ozenoxacin was assessed in preclinical studies. MATERIALS & METHODS Ozenoxacin or ofloxacin (300 mg/kg/day for 5 days, for each compound) was orally administered to juvenile rats, and oral ozenoxacin (10-100 mg/kg/day for 14 days) was administered to juvenile dogs. RESULTS In juvenile rats, ozenoxacin showed no chondrotoxicity, whereas ofloxacin produced typical quinolone-induced lesions in articular cartilage in three of ten rats. Oral ozenoxacin administration to juvenile dogs showed no chondrotoxicity or toxicologically relevant findings in selected target organs. CONCLUSION Ozenoxacin was generally well-tolerated in juvenile rats and dogs, with no evidence of quinolone-induced arthropathy.
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Affiliation(s)
| | | | - Luc Chouinard
- Charles River Laboratories Montreal ULC., Senneville, Canada
| | - Susan Y Smith
- Charles River Laboratories Montreal ULC., Senneville, Canada
| | | | - Teresa Blazquez
- Medical Department, Ferrer Internacional SA, Barcelona, Spain
| | | | - Ilonka Zsolt
- Medical Department, Ferrer Internacional SA, Barcelona, Spain
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Shi Q, Huang J, Sun Y, Deng R, Teng M, Li Q, Yang Y, Hu X, Zhang Z, Zhang G. A SERS-based multiple immuno-nanoprobe for ultrasensitive detection of neomycin and quinolone antibiotics via a lateral flow assay. Mikrochim Acta 2018; 185:84. [DOI: 10.1007/s00604-017-2556-x] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2017] [Accepted: 11/09/2017] [Indexed: 01/30/2023]
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Yabe K, Satoh H, Ishii Y, Jindo T, Sugawara T, Furuhama K, Goryo M, Okada K. Early Pathophysiologic Feature of Arthropathy in Juvenile Dogs Induced by Ofloxacin, a Quinolone Antimicrobial Agent. Vet Pathol 2016; 41:673-81. [PMID: 15557076 DOI: 10.1354/vp.41-6-673] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Arthropathy in dogs induced by ofloxacin, a quinolone antimicrobial agent, was pathophysiologically investigated. In the in vivo studies, ofloxacin was administered orally once or twice at 20 mg/kg/day to male juvenile (3-month-old, n = 3) or adult (36-month-old, n = 2) dogs, and the humeral and femoral heads were examined pathologically. Unlike adult dogs, fluid-filled vesicles were macroscopically observed on the articular surfaces of one juvenile dog 24 hours after a single treatment with ofloxacin. These lesions were seen in all juvenile dogs by twice dosing. Microscopically, fissures or cavity formations in the middle zone of the articular cartilage were noted only in juvenile dogs. Furthermore, the cartilage matrix from the abnormal area to the articular surface showed a decreased safranin-O staining intensity, suggesting proteoglycan depletion. Ultrastructurally, chondrocytes in the middle zone of juvenile dogs displayed dilatation of the cisternae in the rough endoplasmic reticulum as an initial hallmark. In the in vitro studies, chondrocytes isolated from the articular cartilage of naive juvenile dogs were exposed to ofloxacin at 6.3–100 μg/ml for 24 hours. Although no changes were noted in the deoxyribonucleic acid synthesis, protein synthesis, or proteoglycan release at concentrations of up to 100 μg/ml, the proteoglycan synthesis was evidently decreased in a dose-dependent manner from 12.5 μg/ml. The results obtained suggest that the inhibitory action of ofloxacin on proteoglycan syntheses in the chondrocytes may largely contribute to the early morphologic features in the articular cartilage of the juvenile dog.
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Affiliation(s)
- K Yabe
- Drug Safety Research Laboratory, Daiichi Pharmaceutical Co. Ltd., 16-13, Kita-Kasai 1-Chome, Edogawaku, Tokyo 134-8630, Japan.
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Khadra A, Pinelli E, Lacroix MZ, Bousquet-Melou A, Hamdi H, Merlina G, Guiresse M, Hafidi M. Assessment of the genotoxicity of quinolone and fluoroquinolones contaminated soil with the Vicia faba micronucleus test. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2012; 76:187-192. [PMID: 22047769 DOI: 10.1016/j.ecoenv.2011.10.012] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2011] [Revised: 10/07/2011] [Accepted: 10/08/2011] [Indexed: 05/31/2023]
Abstract
The genotoxicity of quinolone and fluroquinolones was assessed using the micronucleus (MN) test on Vicia faba roots by direct contact exposure to a solid matrix. Plants were exposed to quinolones (nalidixic acid) and fluoroquinolones (ciprofloxacin and enrofloxacin) alone or mixed with artificially contaminated soils. Four different concentrations of each of these antibiotics were tested (0.01, 0.1, 1 and 10 mg/Kg) for nalidixic acid and (0.005, 0.05, 0.5 and 5 mg/Kg) for ciprofloxacin and enrofloxacin. These antibiotics were also used in mixture. Exposure of Vicia faba plants to each antibiotic at the highest two concentrations showed significant MN induction. The lowest two concentrations had no significant genotoxic effect. The mixture of the three compounds induced a significant MN induction whatever the mixture tested, from 0.02 to 20 mg/Kg. The results indicated that a similar genotoxic effect was obtained with the mixture at 0.2 mg/Kg in comparison with each molecule alone at 5-10 mg/Kg. Data revealed a clear synergism of these molecules on Vicia faba genotoxicity.
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Affiliation(s)
- A Khadra
- Laboratoire d'Ecologie et Environnement-Unité Associée au CNRST, URAC 32, Unité Associée au CNERS, Département de Biologie, Faculté des Sciences Semlalia, Université Cadi Ayyad, BP 2390, Marrakech, Maroc
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Lemus JA, Blanco G, Arroyo B, Martínez F, Grande J. Fatal embryo chondral damage associated with fluoroquinolones in eggs of threatened avian scavengers. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2009; 157:2421-2427. [PMID: 19321243 DOI: 10.1016/j.envpol.2009.03.013] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2008] [Revised: 02/06/2009] [Accepted: 03/10/2009] [Indexed: 05/27/2023]
Abstract
Stabled livestock reared in housed conditions are often subjected to intensive treatments with veterinary drug, which residues may be present in livestock meat ingested by scavengers, but nothing is known about their presence in eggs of wild birds and their potential detrimental effects on breeding success. We searched for residues of veterinary drugs and other toxicants in infertile and embryonated unhatched eggs of griffon vultures (Gyps fulvus) and red kites (Milvus milvus), two threatened avian scavengers. Quinolones (ciprofloxacin and enrofloxacin) were found in most unhatched eggs of both scavenger species clearly associated with severe alterations in the development of embryo cartilage and bones that could preclude embryo movements and subsequently normal development, pre-hatch position and successful hatching. The detrimental effects on developing eggs of veterinary drugs from livestock operations may help to explain reduced breeding success of avian scavengers.
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Affiliation(s)
- J A Lemus
- Departamento de Ecología Evolutiva, Museo Nacional de Ciencias Naturales (CSIC), J. Gutiérrez Abascal 2, 28006 Madrid, Spain
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Affiliation(s)
- Michiyuki Kato
- Medicinal Safety Research Laboratories, DAIICHI SANKYO CO., LTD
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Egerbacher M, Edinger J, Tschulenk W. Effects of enrofloxacin and ciprofloxacin hydrochloride on canine and equine chondrocytes in culture. Am J Vet Res 2001; 62:704-8. [PMID: 11341389 DOI: 10.2460/ajvr.2001.62.704] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To study chondrotoxic effects of enrofloxacin (ENR) and ciprofloxacin hydrochloride (CFX) on canine and equine articular chondrocytes in culture and to compare the effects with that of cultivation in Mg2+-free medium. SAMPLE POPULATION Chondrocytes from articular cartilage of 4- and 6 -month old dogs and 2- to 4- year-old horses. PROCEDURE Chondrocytes were cultivated with 10, 40, 80, and 160 microg of CFX/ml, 10, 50, 100, and 150 microg of ENR/ml, or in Mg2+-free medium. A live-to-dead test was performed to test cytotoxic effects. Morphologic changes were evaluated by electron microscopy. An attachment assay was used to test the ability of chondrocytes to adhere to collagen type-II coated-chamber slides in the presence of CFX and with Mg2+-free medium. RESULTS Chondrocytes cultivated in quinolone-supplemented medium or Mg2+-free medium had a decreased ability to adhere to culture dishes. Cell shape and the actin and vimentin cytoskeleton changed in a concentration-dependent manner. These effects were not species-specific and developed with both quinolones. On day 1 of culture, adhesion of chondrocytes to collagen type II was reduced to 70 and 45% of control values in the CFX treatment and Mg2+-free treatment groups, respectively. On day 5 of culture, adhesion of chondrocytes was reduced to 45 and 40% of control values in the CFX treatment and Mg2+-free treatment groups, respectively. CONCLUSION AND CLINICAL RELEVANCE In vitro, chondrotoxic effects of quinolones appear to be the result of irregular integrin signaling and subsequent cellular changes. Drug concentrations leading to morphologic changes in vitro may be achieved in articular cartilage in vivo.
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Affiliation(s)
- M Egerbacher
- Institute of Histology & Embryology, University of Veterinary Medicine, Vienna, Austria
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Egerbacher M, Wolfesberger B, Gabler C. In vitro evidence for effects of magnesium supplementation on quinolone-treated horse and dog chondrocytes. Vet Pathol 2001; 38:143-8. [PMID: 11280370 DOI: 10.1354/vp.38-2-143] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Quinolones and magnesium deficiency cause similar lesions in joint cartilage of young animals. Chondrocytes cultivated in the presence of quinolones and in Mg-free medium show severe alterations in cytoskeleton and decreased ability to adhere to the culture dish. We investigated whether Mg2+ supplementation can prevent quinolone-mediated effects on chondrocytes in vitro. Chondrocytes cultivated in Dulbecco's modified Eagle's medium/HAM's F-12 medium were treated with ciprofloxacin (80 and 160 microg/ml) and enrofloxacin (100 and 150 microg/ml). Mg2+ was added at a concentration of 0.0612 mg/ml (MgCl) and 0.0488 mg/ml (MgSO4) or a triple dose. In addition, cells were cultivated in Mg-free medium and accordingly treated with Mg2+ supplementation. After 5 days in culture, the number of adherent cells per milliliter was determined. The number of chondrocytes in quinolone-treated groups decreased to 12-36% that of the control group within the culture period. With Mg2+ supplementation, the number of attached cells increased to 40-70% that of control cells. The threefold dose of Mg2+ led to better results than did the single dose. Cell proliferation tested by immunohistochemical staining with Ki67 (clone MIB5) decreased from 70% in control groups to 55%, 48%, and 30% in enrofloxacin-treated groups in a concentration dependent manner (50, 100, and 150 microg/ml). Addition of Mg2+ did not increase the rate of cell proliferation. These results suggest that a great part of quinolone-induced damage is due to magnesium complex formation, as Mg2+ supplementation is able to reduce the effects in vitro. However, quinolone effects on cell proliferation seem to be an independent process that is not influenced by magnesium supplementation.
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Affiliation(s)
- M Egerbacher
- Institute of Histology and Embryology, University of Veterinary Medicine, Vienna, Austria
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Davenport CL, Boston RC, Richardson DW. Effects of enrofloxacin and magnesium deficiency on matrix metabolism in equine articular cartilage. Am J Vet Res 2001; 62:160-6. [PMID: 11212020 DOI: 10.2460/ajvr.2001.62.160] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To investigate the effects of enrofloxacin and magnesium deficiency on explants of equine articular cartilage. SAMPLE POPULATION Articular cartilage explants and cultured chondrocytes obtained from adult and neonatal horses. PROCEDURE Full-thickness explants and cultured chondrocytes were incubated in complete or magnesium-deficient media containing enrofloxacin at concentrations of 0, 1, 5, 25, 100, and 500 microg/ml. Incorporation and release of sulfate 35S over 24 hours were used to assess glycosaminoglycan (GAG) synthesis and degradation. An assay that measured binding of dimethylmethylene blue dye was used to compare total GAG content between groups. Northern blots of RNA from cultured chondrocytes were probed with equine cDNA of aggrecan, type-II collagen, biglycan, decorin, link protein, matrix metalloproteinases 1, 3, and 13, and tissue inhibitor of metalloproteinase 1. RESULTS A dose-dependent suppression of 35S incorporation was observed. In cartilage of neonates, 35S incorporation was substantially decreased at enrofloxacin concentrations of 25 mg/ml. In cartilage of adult horses, 35S incorporation was decreased only at enrofloxacin concentrations of > or =100 microg/ml. Magnesium deficiency caused suppression of 35S incorporation. Enrofloxacin or magnesium deficiency did not affect GAG degradation or endogenous GAG content. Specific effects of enrofloxacin on steady-state mRNA for the various genes were not observed. CONCLUSION AND CLINICAL RELEVANCE Enrofloxacin may have a detrimental effect on cartilage metabolism in horses, especially in neonates.
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Affiliation(s)
- C L Davenport
- Department of Clinical Studies, New Bolton Center, School of Veterinary Medicine, University of Pennsylvania, Kennett Square 19348, USA
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Bertone AL, Tremaine WH, Macoris DG, Simmons EJ, Ewert KM, Herr LG, Weisbrode SE. Effect of long-term administration of an injectable enrofloxacin solution on physical and musculoskeletal variables in adult horses. J Am Vet Med Assoc 2000; 217:1514-21. [PMID: 11128543 DOI: 10.2460/javma.2000.217.1514] [Citation(s) in RCA: 42] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To evaluate clinical safety of administration of injectable enrofloxacin. DESIGN Randomized controlled clinical trial. ANIMALS 24 adult horses. PROCEDURES Healthy horses were randomly allocated into 4 equal groups that received placebo injections (control) or IV administration of enrofloxacin (5 mg/kg [2.3 mg/lb], 15 mg/kg [6.8 mg/lb], or 25 mg/kg [11.4 mg/lb] of body weight, q 24 h) for 21 days. Joint angles, cross-sectional area of superficial and deep digital flexor and calcaneal tendons, carpal or tarsal osteophytes or lucency, and midcarpal and tarsocrural articular cartilage lesions were measured. Physical and lameness examinations were performed daily. Measurements were repeated after day 21, and articular cartilage and bone biopsy specimens were examined. RESULTS Enrofloxacin did not induce changes in most variables during administration or for 7 days after administration. One horse (dosage, 15 mg/kg) developed lameness and cellulitis around the tarsal plantar ligament during the last week of administration. One horse (dosage, 15 mg/kg) developed mild superficial digital flexor tendinitis, and 1 horse (dosage, 25 mg/kg) developed tarsal sheath effusion without lameness 3 days after the last administration. High doses of enrofloxacin (15 and 25 mg/kg) administered by bolus injection intermittently induced transient neurologic signs that completely resolved within 10 minutes without long-term effects. Slower injection and dilution of the dose ameliorated the neurologic signs. Adverse reactions were not detected with a 5 mg/kg dose administered IV as a bolus. CONCLUSIONS AND CLINICAL RELEVANCE Enrofloxacin administered IV once daily at the rate of 5 mg/kg for 3 weeks is safe in adult horses.
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Affiliation(s)
- A L Bertone
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, The Ohio State University, Columbus 43210, USA
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Simonin MA, Gegout-Pottie P, Minn A, Gillet P, Netter P, Terlain B. Pefloxacin-induced achilles tendon toxicity in rodents: biochemical changes in proteoglycan synthesis and oxidative damage to collagen. Antimicrob Agents Chemother 2000; 44:867-72. [PMID: 10722483 PMCID: PMC89784 DOI: 10.1128/aac.44.4.867-872.2000] [Citation(s) in RCA: 59] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Despite a relatively low incidence of serious side effects, fluoroquinolones and the fluoroquinolone pefloxacin have been reported to occasionally promote tendinopathy that might result in the complication of spontaneous rupture of tendons. In the present study, we investigated in rodents the intrinsic deleterious effect of pefloxacin (400 mg/kg of body weight) on Achilles tendon proteoglycans and collagen. Proteoglycan synthesis was determined by measurement of in vivo and ex vivo radiosulfate incorporation in mice. Collagen oxidative modifications were measured by carbonyl derivative detection by Western blotting. An experimental model of tendinous ischemia (2 h) and reperfusion (3 days) was achieved in rats. Biphasic changes in proteoglycan synthesis were observed after a single administration of pefloxacin, consisting of an early inhibition followed by a repair-like phase. The depletion phase was accompanied by a marked decrease in the endogenous serum sulfate level and a concomitant increase in the level of sulfate excretion in urine. Studies of ex vivo proteoglycan synthesis confirmed the in vivo results that were obtained. The decrease in proteoglycan anabolism seemed to be a direct effect of pefloxacin on tissue metabolism rather than a consequence of the low concentration of sulfate. Pefloxacin treatment for several days induced oxidative damage of type I collagen, with the alterations being identical to those observed in the experimental tendinous ischemia and reperfusion model. Oxidative damage was prevented by coadministration of N-acetylcysteine (150 mg/kg) to the mice. These results provide the first experimental evidence of a pefloxacin-induced oxidative stress in the Achilles tendon that altered proteoglycan anabolism and oxidized collagen.
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Affiliation(s)
- M A Simonin
- Department of Pharmacology, UMR 7561, CNRS-Université Henri Poincaré-Nancy I "Physiopathologie et Pharmacologie Articulaires," Faculté de Médecine, Vandoeuvre-lès-Nancy, France
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Simonin MA, Gegout-Pottie P, Minn A, Gillet P, Netter P, Terlain B. Proteoglycan and collagen biochemical variations during fluoroquinolone-induced chondrotoxicity in mice. Antimicrob Agents Chemother 1999; 43:2915-21. [PMID: 10582882 PMCID: PMC89587 DOI: 10.1128/aac.43.12.2915] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Although fluoroquinolone antibacterials have a broad therapeutic use, with a relatively low incidence of severe side effects, they have been reported to induce lesions in the cartilage of growing animals by a mechanism that remains unclear. This study was undertaken to determine the potentially deleterious effect of a high dose of pefloxacin (400 mg/kg of body weight) on two main constituents of cartilage in mice, i.e., proteoglycans and collagen. Variations in levels of proteoglycan anabolism measured by in vivo [(35)S]sulfate incorporation into cartilage and oxidative modifications of collagen assessed by detection of carbonyl derivatives were monitored after administration of pefloxacin. Treatment of mice with 1 day of pefloxacin treatment significantly decreased the rate of biosynthesis of proteoglycan for the first 24 h. However, no difference was observed after 48 h. The decrease in proteoglycan synthesis was accompanied by a marked drop in serum sulfate concentration and a concomitant increase in urinary sulfate excretion. The decrease in proteoglycan synthesis, also observed ex vivo, may suggest a direct effect of pefloxacin on this process, rather than it being a consequence of a low concentration of sulfate. On the other hand, treatment with pefloxacin for 10 days induced oxidative damage to collagen. In conclusion, this study demonstrates, for the first time, that pefloxacin administration to mice leads to modifications in the metabolism and integrity of extracellular proteins, such as collagen and proteoglycans, which may account for the side effects observed. These results offer new insights to explain quinolone-induced disorders in growing articular cartilage.
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Affiliation(s)
- M A Simonin
- Department of Pharmacology, UMR 7561 CNRS-Université Henri Poincaré-Nancy I "Physiopathologie et Pharmacologie Articulaires," Faculté de Médecine, Vandoeuvre-lès-Nancy, France
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Egerbacher M, Wolfesberger B, Walter I, Seirberl G. Integrins mediate the effects of quinolones and magnesium deficiency on cultured rat chondrocytes. Eur J Cell Biol 1999; 78:391-7. [PMID: 10430020 DOI: 10.1016/s0171-9335(99)80081-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
Abstract
Chondrocyte-matrix interaction is mediated by a series of adhesion molecules. Both alpha and beta integrin subunits are involved and govern crucial functions of cell adhesion and signal transduction. These molecules modulate proliferation and differentiation, thus establishing cartilage integrity. We studied the influence of magnesium deficiency and quinolone antibiotics (which form chelate complexes with divalent cations) on chondrocytes in vitro in order to assess the role of Mg2+ ions in integrin function and to establish cellular changes mediated via integrin signal transduction. Mg2(+)-free medium and quinolone supplementation was found to decrease chondrocyte attachment to collagen type II-coated coverslips. Adhesion and growth of chondrocytes were reduced in the respective medium. Organisation of cytoskeletal fibers (vimentin) was changed and formation of stress fibers (f-actin) was disturbed. Additionally, rates of cell proliferation declined. These results indicate that quinolone-magnesium complex formation is important for chondrotoxicity of these substances. Cell-matrix detachment and morphological alterations described in vitro may explain the lesions observed in articular cartilage after quinolone administration in vivo. The attachment assay described could serve as a simple test to establish the susceptibility of chondrocytes of different species to different quinolones in use or new ones to be introduced.
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Affiliation(s)
- M Egerbacher
- Institute of Histology and Embryology, University of Veterinary Medicine, Vienna/Austria.
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Menschik M, Neumüller J, Steiner CW, Erlacher L, Köller M, Ullrich R, Graninger W, Graninger WB. Effects of ciprofloxacin and ofloxacin on adult human cartilage in vitro. Antimicrob Agents Chemother 1997; 41:2562-5. [PMID: 9371369 PMCID: PMC164164 DOI: 10.1128/aac.41.11.2562] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Chondrocyte toxicity and necrosis were seen with electron microscopy after incubation of human adult cartilage biopsy specimens in ciprofloxacin or ofloxacin. In vitro exposure of chondrocytes to fluoroquinolones did not affect apoptosis as determined by flow cytometry. While the immediate clinical significance of this finding remains unclear, the possibility of long-term cartilage damage after fluoroquinolone treatment cannot be excluded.
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Affiliation(s)
- M Menschik
- Department of Internal Medicine III, University of Vienna, Vienna-Oberlaa, Austria
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Kempka G, Ahr H, Rüther W, Schlüter G. Effects of fluoroquinolones and glucocorticoids on cultivated tendon cells in vitro. Toxicol In Vitro 1996; 10:743-54. [DOI: 10.1016/s0887-2333(96)00050-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/11/1996] [Indexed: 11/30/2022]
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Kato M, Takada S, Ogawara S, Takayama S. Effect of levofloxacin on glycosaminoglycan and DNA synthesis of cultured rabbit chondrocytes at concentrations inducing cartilage lesions in vivo. Antimicrob Agents Chemother 1995; 39:1979-83. [PMID: 8540702 PMCID: PMC162867 DOI: 10.1128/aac.39.9.1979] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
We investigated the toxic effect of levofloxacin (LVFX), a quinolone antibacterial agent, on cartilage by examining aspects of its in vivo toxicokinetics and effect on the function of cultured chondrocytes of the femoral articular cartilage from juvenile New Zealand White rabbits. Repeated administration of LVFX (100 mg/kg) orally for 7 days induced focal necrosis and superficial erosion in the articular cartilage of the femoral condyle, but 30 mg/kg did not. Concentrations of LVFX in the cartilage were highest at the first sampling point (30 min) after a single administration, being 4.93 and 12.2 micrograms/g in the 30- and 100-mg/kg groups, respectively. The arthropathic concentration of LVFX in the cartilage was then shown to be 12.2 micrograms/g or more. For an in vitro study, chondrocytes were separated from the articular cartilage of the rabbit femoral condyle and cultured for 7 days until confluence. 35SO4 uptake by cultured chondrocyte sheets was most susceptible to LVFX, decreasing at drug concentrations of 5 micrograms/ml or more in 24- and 48-h cultures but not in a 72-h culture. Furthermore, 3H-thymidine uptake was decreased at concentrations of 10 micrograms/ml or more in a 48-h culture but not in 24- and 72-h cultures. Rhodamine 123 accumulation was susceptible to inhibition in cultured chondrocytes at an LVFX concentration of 10 micrograms/ml or more. These results suggest that LVFX inhibits glycosaminoglycan synthesis initially and DNA synthesis and mitochondrial function secondarily at actual arthropathic concentrations in cultured rabbit chondrocytes but that these changes are reversible and not enough to kill the cells.
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Affiliation(s)
- M Kato
- Drug Safety Research Center, Daiichi Pharmaceutical Co., Ltd., Tokyo, Japan
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Kato M, Takada S, Kashida Y, Nomura M. Histological examination on Achilles tendon lesions induced by quinolone antibacterial agents in juvenile rats. Toxicol Pathol 1995; 23:385-92. [PMID: 7659960 DOI: 10.1177/019262339502300315] [Citation(s) in RCA: 55] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
We examined the effects of the quinolone antibacterial agents pefloxacin (PFLX) and ofloxacin (OFLX) on the Achilles tendon of Sprague-Dawley rats. A single oral administration of PFLX 300 and 900 mg/kg or OFLX 900 mg/kg induced edema with mononuclear cell infiltration mainly in the inner sheath of the inner Achilles tendon just proximal to the tuber calcanei in rats killed on the next day. Cell infiltration was also seen in the adjacent synovial membrane and joint space. With progression of severity, the lesions extended to the surface tendon tissue, wherein irregularly arranged collagen bundles were detached from each other and nuclei of fibroblasts were pyknotic and fragmented. After 2-wk repeated administration, these lesions were replaced by fibrotic foci with regenerated tendon fibroblasts, and the incidence and severity were reduced in the OFLX but not PFLX groups. Coadministration of cyclosporin A with OFLX 300 mg/kg induced these lesions despite the fact that neither induced lesions alone. The tendon lesions were induced in juvenile rats (4 wk of age) but not in young adults (12 wk). The articular cartilage of juvenile rats showed focal degeneration and/or cavitation in the tarsal joints after a single and 2-wk administration of PFLX or OFLX. Hydrocortisone slightly increased the incidence of OFLX-induced lesions in both the tendon and cartilage after a 2-wk administration. The occurrence of the tendon lesions is different from that of the Achilles tendon disorders reported in older humans, but they are thought to be a useful model for them.
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Affiliation(s)
- M Kato
- Drug Safety Research Center, Daiichi Pharmaceutical Co., Ltd., Tokyo, Japan
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Pradhan KM, Arora NK, Jena A, Susheela AK, Bhan MK. Safety of ciprofloxacin therapy in children: magnetic resonance images, body fluid levels of fluoride and linear growth. Acta Paediatr 1995; 84:555-60. [PMID: 7633153 DOI: 10.1111/j.1651-2227.1995.tb13694.x] [Citation(s) in RCA: 39] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
We evaluated the safety of ciprofloxacin administered in a dose of 15-25 mg/kg for 9-16 days, in a case series of 58 children who were between 8 months and 13 years of age. No arthropathy was observed during therapy and follow-up. Blinded evaluation of 22 pairs of nuclear magnetic resonance scans obtained before and between day 10 and 15 of therapy did not reveal any cartilage damage. After the first dose of ciprofloxacin (10 mg/kg), serum fluoride levels increased at 12 h in 15 of 19 (79%) patients; 24-h urinary fluoride excretion was higher on day 7 compared with basal values in 16 of 18 (88.9%) patients. Height z scores of 53 patients at a mean of 22.5 months of follow-up were not significantly different from basal scores (p = 0.12). In conclusion, ciprofloxacin may be recommended for use in children for short duration when effective alternative antibacterials are unavailable. However, there is a need for further studies to evaluate the tissue accumulation of fluoride and its potential to cause toxic effects.
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Affiliation(s)
- K M Pradhan
- Department of Paediatrics, All India Institute of Medical Sciences, New Delhi
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Takayama S, Hirohashi M, Kato M, Shimada H. Toxicity of quinolone antimicrobial agents. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH 1995; 45:1-45. [PMID: 7752287 DOI: 10.1080/15287399509531978] [Citation(s) in RCA: 67] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
An approach to minimization of toxicity of a new compound is to elucidate the mechanisms of toxicity of analogous compounds and to clarify their structure-toxicity relationships. A problem with this approach, however, is that such elucidation remains difficult. For quinolones, some improvements in this mechanistic approach have been achieved in the central nervous system (CNS), particularly with regard to their interaction with non-steroidal anti-inflammatory drugs (NSAIDs), and in genotoxicity and phototoxicity studies, particularly in comparison with other toxicities, such as to the cardiovascular, gastrointestinal, bone, reproductive, and developmental systems. This review concentrates on a description of the known effects of quinolones on various organ systems in experimental animals and humans. Given the logarithmic increase in the synthesis of new quinolones, it is questionable whether these drugs share similar safety and efficacy. Nevertheless, this mechanistic approach to the investigation and minimization of toxicity has produced satisfactory results to date and deserves to be continued.
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Affiliation(s)
- S Takayama
- Developmental Research Laboratories, Daiichi Pharmaceutical Co., Ltd., Tokyo, Japan
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Hayem G, Petit PX, Levacher M, Gaudin C, Kahn MF, Pocidalo JJ. Cytofluorometric analysis of chondrotoxicity of fluoroquinolone antimicrobial agents. Antimicrob Agents Chemother 1994; 38:243-7. [PMID: 8192451 PMCID: PMC284434 DOI: 10.1128/aac.38.2.243] [Citation(s) in RCA: 52] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
To better understand quinolone-related arthropathy, we conceived an experimental ex vivo model using cell cultures of articular chondrocytes issued from pretreated New Zealand White rabbits (NZW). Juvenile (4- to 5-week-old) NZW were orally dosed with ofloxacin or pefloxacin (300 mg/kg of body weight for 1 day) or with pefloxacin (300 mg/kg for 7 days). Adult (5-month-old) NZW were treated with pefloxacin (300 mg/kg for 1 day). Chondrocytes were enzymatically recovered from cartilage and were analyzed by cytofluorometry using 2',7'-dichlorofluorescein diacetate (DCFH-DA) and dihydrorhodamine 123 (DHR), reflecting cellular respiratory-burst activity, and rhodamine 123 (Rh123) and 10-N-nonyl-acridine orange (NAO), specific for the mitochondrial activity and mass, respectively. A significant increase in the respiratory burst was detected by DCFH-DA and DHR in all treated groups of young animals, compared with untreated control groups. No significant increase of respiratory burst was noted in older treated rabbits. The 7-day treatment resulted in a decrease in mitochondrial uptake of Rh123 and an increase in NAO uptake. Fluoroquinolone arthrotoxicity seems to involve in its early phase the respiratory burst of immature articular chondrocytes.
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Affiliation(s)
- G Hayem
- Unité 13, Institut National de la Santé et de la Recherche Médicale, Hôpital Claude Bernard, Paris, France
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