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Wang C, Chen M, Hu Q, Bai H, Wang C, Ma Q. Non-lethal microsampling and rapid identification of multi-residue veterinary drugs in aquacultured fish by direct analysis in real time coupled with quadrupole-Orbitrap high-resolution mass spectrometry. Microchem J 2021. [DOI: 10.1016/j.microc.2020.105673] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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2
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Development and validation of a simple LC-MS/MS method for simultaneous determination of moxifloxacin, levofloxacin, prothionamide, pyrazinamide and ethambutol in human plasma. J Chromatogr B Analyt Technol Biomed Life Sci 2020; 1158:122397. [PMID: 33091676 DOI: 10.1016/j.jchromb.2020.122397] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Revised: 09/12/2020] [Accepted: 10/01/2020] [Indexed: 02/08/2023]
Abstract
Treatment of multidrug-resistant tuberculosis (MDR-TB) is challenging due to high treatment failure rate and adverse drug events. This study aimed to develop and validate a simple LC-MS/MS method for simultaneous measurement of five TB drugs in human plasma and to facilitate therapeutic drug monitoring (TDM) in MDR-TB treatment to increase efficacy and reduce toxicity. Moxifloxacin, levofloxacin, prothionamide, pyrazinamide and ethambutol were prepared in blank plasma from healthy volunteers and extracted using protein precipitation reagent containing trichloroacetic acid. Separation was achieved on an Atlantis T3 column with gradient of 0.1% formic acid in water and acetonitrile. Drug concentrations were determined by dynamic multiple reaction monitoring in positive ion mode on a LC-MS/MS system. The method was validated according to the United States' Food and Drug Administration (FDA) guideline for bioanalytical method validation. The calibration curves for moxifloxacin, levofloxacin, prothionamide, pyrazinamide and ethambutol were linear, with the correlation coefficient values above 0.993, over a range of 0.1-5, 0.4-40, 0.2-10, 2-100 and 0.2-10 mg/L, respectively. Validation showed the method to be accurate and precise with bias from 6.5% to 18.3% for lower limit of quantification and -5.8% to 14.6% for LOW, medium (MED) and HIGH drug levels, and with coefficient of variations within 11.4% for all levels. Regarding dilution integrity, the bias was within 7.2% and the coefficient of variation was within 14.9%. Matrix effect (95.7%-112.5%) and recovery (91.4%-109.7%) for all drugs could be well compensated by their isotope-labelled internal standards. A benchtop stability test showed that the degradation of prothionamide was over 15% after placement at room temperature for 72 h. Clinical samples (n = 224) from a cohort study were analyzed and all concentrations were within the analytical range. The signal of prothionamide was suppressed in samples with hemolysis which was solved by sample dilution. As the method is robust and sample preparation is simple, it can easily be implemented to facilitate TDM in programmatic MDR-TB treatment.
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Smith JS, Krull AC, Schleining JA, Derscheid RJ, Kreuder AJ. Clinical presentations and antimicrobial susceptibilities of
Corynebacterium cystitidis
associated with renal disease in four beef cattle. Vet Med (Auckl) 2020; 34:2169-2174. [PMID: 32830373 PMCID: PMC7517842 DOI: 10.1111/jvim.15844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 06/14/2020] [Accepted: 06/26/2020] [Indexed: 11/29/2022]
Abstract
Background Renal disease caused by Corynebacterium cystitidis in beef cattle may be misclassified as Corynebacterium renale, and limited information about C. cystitidis infections in beef cattle currently is available. Objective To describe clinical presentation, diagnosis, minimum inhibitory concentrations (MICs), and outcome of renal disease caused by C. cystitidis in beef cattle. Methods Retrospective case series. Animals Four client‐owned beef cattle. Results All affected cattle had anorexia as a primary complaint. Of the 3 that had ante‐mortem diagnostic tests performed, all had pyelonephritis based on azotemia in combination with urinalysis and ultrasonographic findings. Cultures yielded C. cystitidis which was identified by biochemical testing, 16S RNA sequencing, and mass spectrometry. All affected cattle deteriorated despite aggressive treatment, indicating that C. cystitidis infections in beef cattle may carry a poor prognosis. Bacterial isolates collected from the 4 cattle showed similarities in MICs for ampicillin, florfenicol, gentamicin, neomycin, sulfadimethoxine, trimethoprim sulfonamide, and tylosin. Conclusions and clinical importance Corynebacterium cystitidis should be considered in the differential diagnosis of cattle with renal disease. Definitive diagnosis of C. cystitidis as compared to C. renale may be challenging.
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Affiliation(s)
- Joe S. Smith
- Food Animal and Camelid Hospital, Veterinary Diagnostic and Production Animal Medicine, Iowa State University Ames Iowa USA
- Biomedical Sciences, Iowa State University Ames Iowa USA
| | - Adam C. Krull
- Veterinary Diagnostic Laboratory, Veterinary Diagnostic and Production Animal Medicine Iowa State University Ames Iowa USA
| | - Jennifer A. Schleining
- Food Animal and Camelid Hospital, Veterinary Diagnostic and Production Animal Medicine, Iowa State University Ames Iowa USA
- Large Animal Clinical Sciences, Texas A&M University College Station Texas USA
| | - Rachel J. Derscheid
- Veterinary Diagnostic Laboratory, Veterinary Diagnostic and Production Animal Medicine Iowa State University Ames Iowa USA
| | - Amanda J. Kreuder
- Food Animal and Camelid Hospital, Veterinary Diagnostic and Production Animal Medicine, Iowa State University Ames Iowa USA
- Veterinary Microbiology and Preventive Medicine, Iowa State University Ames Iowa USA
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4
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Zhu X, Huang L, Xu Y, Xie S, Pan Y, Chen D, Liu Z, Yuan Z. Physiologically based pharmacokinetic model for quinocetone in pigs and extrapolation to mequindox. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2016; 34:192-210. [PMID: 28001497 DOI: 10.1080/19440049.2016.1258121] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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5
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Chiesa OA, Heller DN, Karanian JW, Pritchard WF, Smith S, Kijak PJ, Ward JL, von Bredow J, Myers MJ. Inhalation anesthesia induced by isoflurane alters penicillin disposition in swine tissues. J Vet Pharmacol Ther 2016; 40:356-362. [PMID: 27654900 DOI: 10.1111/jvp.12361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2015] [Accepted: 08/05/2016] [Indexed: 11/30/2022]
Abstract
Twelve healthy swine were dosed with penicillin G intramuscularly. Fluids and tissues samples were collected at the end of two periods of general anesthesia, performed 24 h apart. Tissue samples were collected by minimally invasive laparoscopy under general anesthesia at 8 and 28 h postdose. Four nonanesthetized, penicillin-treated pigs were euthanized at 8 h postdose, and a second set of four similarly treated control pigs were sacrificed 28 h postdose. Liver penicillin tissue concentrations from animals that underwent anesthesia and laparoscopic tissue collection had tissue concentrations that were higher than nonanesthetized pigs at both time points. Urine, plasma, kidney, skeletal, and cardiac muscle showed no differences between the two groups. Laparoscopic tissue collection under general anesthesia in swine induces physiological changes that cause alterations in tissue pharmacokinetics not seen in conscious animals.
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Affiliation(s)
- O A Chiesa
- Division of Applied Veterinary Research, Office of Research/Center for Veterinary Medicine, FDA, Laurel, MD, USA
| | - D N Heller
- Division of Residue Chemistry, Office of Research/Center for Veterinary Medicine, FDA, Laurel, MD, USA
| | - J W Karanian
- Laboratory of Cardiovascular and Interventional Therapeutics, Division of Applied Mechanics, Office of Science and Engineering Laboratories, Center for Devices and Radiological Health, FDA, Laurel, MD, USA
| | - W F Pritchard
- Laboratory of Cardiovascular and Interventional Therapeutics, Division of Applied Mechanics, Office of Science and Engineering Laboratories, Center for Devices and Radiological Health, FDA, Laurel, MD, USA
| | - S Smith
- Division of Residue Chemistry, Office of Research/Center for Veterinary Medicine, FDA, Laurel, MD, USA
| | - P J Kijak
- Division of Residue Chemistry, Office of Research/Center for Veterinary Medicine, FDA, Laurel, MD, USA
| | - J L Ward
- Division of Applied Veterinary Research, Office of Research/Center for Veterinary Medicine, FDA, Laurel, MD, USA
| | - J von Bredow
- Division of Residue Chemistry, Office of Research/Center for Veterinary Medicine, FDA, Laurel, MD, USA
| | - M J Myers
- Division of Applied Veterinary Research, Office of Research/Center for Veterinary Medicine, FDA, Laurel, MD, USA
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6
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Huang L, Shi J, Pan Y, Wang L, Chen D, Xie S, Liu Z, Yuan Z. Elimination and Concentration Correlations between Edible Tissues and Biological Fluids and Hair of Ractopamine in Pigs and Goats Fed with Ractopamine-Medicated Feed. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2016; 64:2012-2020. [PMID: 26883087 DOI: 10.1021/acs.jafc.6b00456] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Ractopamine (RAC), a β-adrenergic leanness-enhancing agent, endangers the food safety of animal products because of overdosing and illegal use in food animals. Excretion and residue depletion of RAC in pigs and goats were investigated to determine a representative biological fluid or surface tissue for preslaughter monitoring. After a single oral gavage of RAC, 64-67% of the dose was excreted from the urine of pigs and goats within 12-24 h. RAC persisted the longest in the hair of pigs and goats but depleted rapidly in the plasma, muscle, and fat. Urine and hair were excellent for predicting RAC residues in edible tissues of pigs, whereas plasma and urine were satisfactory body fluids for the prediction of RAC concentrations in edible tissues of goats. These data provided a simple and economical preslaughter living monitoring method for the illegal use and violative residue of RAC in food animals.
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Affiliation(s)
- Lingli Huang
- MOA Laboratory of Risk Assessment for Quality and Safety of Livestock and Poultry Products, ‡National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, and §Hubei Collaborative Innovation Center for Animal Nutrition and Feed Safety, Huazhong Agricultural University , Wuhan, Hubei 430070, China
| | - Jingfei Shi
- MOA Laboratory of Risk Assessment for Quality and Safety of Livestock and Poultry Products, ‡National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, and §Hubei Collaborative Innovation Center for Animal Nutrition and Feed Safety, Huazhong Agricultural University , Wuhan, Hubei 430070, China
| | - Yuanhu Pan
- MOA Laboratory of Risk Assessment for Quality and Safety of Livestock and Poultry Products, ‡National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, and §Hubei Collaborative Innovation Center for Animal Nutrition and Feed Safety, Huazhong Agricultural University , Wuhan, Hubei 430070, China
| | - Liye Wang
- MOA Laboratory of Risk Assessment for Quality and Safety of Livestock and Poultry Products, ‡National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, and §Hubei Collaborative Innovation Center for Animal Nutrition and Feed Safety, Huazhong Agricultural University , Wuhan, Hubei 430070, China
| | - Dongmei Chen
- MOA Laboratory of Risk Assessment for Quality and Safety of Livestock and Poultry Products, ‡National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, and §Hubei Collaborative Innovation Center for Animal Nutrition and Feed Safety, Huazhong Agricultural University , Wuhan, Hubei 430070, China
| | - Shuyu Xie
- MOA Laboratory of Risk Assessment for Quality and Safety of Livestock and Poultry Products, ‡National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, and §Hubei Collaborative Innovation Center for Animal Nutrition and Feed Safety, Huazhong Agricultural University , Wuhan, Hubei 430070, China
| | - Zhenli Liu
- MOA Laboratory of Risk Assessment for Quality and Safety of Livestock and Poultry Products, ‡National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, and §Hubei Collaborative Innovation Center for Animal Nutrition and Feed Safety, Huazhong Agricultural University , Wuhan, Hubei 430070, China
| | - Zonghui Yuan
- MOA Laboratory of Risk Assessment for Quality and Safety of Livestock and Poultry Products, ‡National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, and §Hubei Collaborative Innovation Center for Animal Nutrition and Feed Safety, Huazhong Agricultural University , Wuhan, Hubei 430070, China
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7
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Huang L, Lin Z, Zhou X, Zhu M, Gehring R, Riviere JE, Yuan Z. Estimation of residue depletion of cyadox and its marker residue in edible tissues of pigs using physiologically based pharmacokinetic modelling. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2015; 32:2002-17. [PMID: 26414219 DOI: 10.1080/19440049.2015.1100330] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Physiologically based pharmacokinetic (PBPK) models are powerful tools to predict tissue distribution and depletion of veterinary drugs in food animals. However, most models only simulate the pharmacokinetics of the parent drug without considering their metabolites. In this study, a PBPK model was developed to simultaneously describe the depletion in pigs of the food animal antimicrobial agent cyadox (CYA), and its marker residue 1,4-bisdesoxycyadox (BDCYA). The CYA and BDCYA sub-models included blood, liver, kidney, gastrointestinal tract, muscle, fat and other organ compartments. Extent of plasma-protein binding, renal clearance and tissue-plasma partition coefficients of BDCYA were measured experimentally. The model was calibrated with the reported pharmacokinetic and residue depletion data from pigs dosed by oral gavage with CYA for five consecutive days, and then extrapolated to exposure in feed for two months. The model was validated with 14 consecutive day feed administration data. This PBPK model accurately simulated CYA and BDCYA in four edible tissues at 24-120 h after both oral exposure and 2-month feed administration. There was only slight overestimation of CYA in muscle and BDCYA in kidney at earlier time points (6-12 h) when dosed in feed. Monte Carlo analysis revealed excellent agreement between the estimated concentration distributions and observed data. The present model could be used for tissue residue monitoring of CYA and BDCYA in food animals, and provides a foundation for developing PBPK models to predict residue depletion of both parent drugs and their metabolites in food animals.
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Affiliation(s)
- Lingli Huang
- a MOA Laboratory of Risk Assessment for Quality and Safety of Livestock and Poultry Products, Huazhong Agricultural University , Wuhan , 430070 , China.,b Institute of Computational Comparative Medicine (ICCM), College of Veterinary Medicine , Kansas State University , Manhattan , KS 66506 , USA.,c Hubei Collaborative Innovation Center for Animal Nutrition and Feed Safety , Huazhong Agricultural University , Wuhan , 430070 , China
| | - Zhoumeng Lin
- d National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University , Wuhan , 430070 , China
| | - Xuan Zhou
- d National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University , Wuhan , 430070 , China
| | - Meiling Zhu
- d National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University , Wuhan , 430070 , China
| | - Ronette Gehring
- b Institute of Computational Comparative Medicine (ICCM), College of Veterinary Medicine , Kansas State University , Manhattan , KS 66506 , USA
| | - Jim E Riviere
- b Institute of Computational Comparative Medicine (ICCM), College of Veterinary Medicine , Kansas State University , Manhattan , KS 66506 , USA
| | - Zonghui Yuan
- a MOA Laboratory of Risk Assessment for Quality and Safety of Livestock and Poultry Products, Huazhong Agricultural University , Wuhan , 430070 , China.,c Hubei Collaborative Innovation Center for Animal Nutrition and Feed Safety , Huazhong Agricultural University , Wuhan , 430070 , China.,d National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University , Wuhan , 430070 , China
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8
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Yang F, Huang XH, Li GH, Ni HJ, Zhao YD, Ding HZ, Zeng ZL. Estimating tulathromycin withdrawal time in pigs using a physiologically based pharmacokinetics model. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2013; 30:1255-63. [PMID: 23767965 DOI: 10.1080/19440049.2013.797113] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
A physiologically based pharmacokinetics model was developed to predict tulathromycin concentrations in edible swine tissues. Physiological parameters included volumes of and plasma flows through different tissues which were obtained from the literatures. The tissue/plasma partition coefficient was calculated according to the area method, and the model was validated through a comparison of predicted and observed concentrations. Withdrawal times in different tissues were predicted. The physiologically based pharmacokinetics model presented here provided accurate predictions of the observed concentrations in all tissues. The results showed that the injection site had the longest withdrawal time (21 days), followed by skin together with fat (19 days) and then kidney (10 days), lung (6 days), liver (4 days) and muscle (1 day). A withdrawal time of 21 days was finally predicted for tulathromycin in swine after a single intramuscular injection at 2.5 mg/kg body weight.
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Affiliation(s)
- F Yang
- College of Animal Science and Technology, Henan University of Science and Technology, Luoyang, PR China
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9
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Yang B, Huang LL, Fang K, Wang YL, Peng DP, Liu ZL, Yuang ZH. A physiologically based pharmacokinetic model for the prediction of the depletion of methyl-3-quinoxaline-2-carboxylic acid, the marker residue of olaquindox, in the edible tissues of pigs. J Vet Pharmacol Ther 2013; 37:66-82. [PMID: 23631588 DOI: 10.1111/jvp.12053] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2012] [Accepted: 03/17/2013] [Indexed: 11/29/2022]
Abstract
To estimate the consumer exposure to olaquindox (OLA) residues in porcine edible tissues, a physiologically based pharmacokinetic (PBPK) model for methyl-3-quinoxaline-2-carboxylic acid (MQCA), the marker residue of OLA, was developed in pigs based on the assumptions of the flow-limited distribution, hepatic metabolism, and renal excretion. The model included separate compartments corresponding to blood, muscle, liver, kidney, adipose, and an extra compartment representing the remaining carcass. Physiological parameters were determined from literatures. Plasma protein binding, partition coefficients, and renal clearance for MQCA were determined in in vitro and in vivo studies. The metabolic conversion of OLA to MQCA was assumed as a simple, one-step process, and an apparent first-order rate constant (k) was employed to describe this metabolic process. The PBPK model was optimized and validated with plasma and tissue data from literatures and our study. Sensitivity analysis and Monte Carlo simulation were also implemented to estimate the influence of model parameters on the goodness of fit. When compared with the observed data, the PBPK model underestimated the MQCA level in all compartments at the early time points, whereas gave excellent predictions of MQCA concentration in porcine edible tissues at later time points. The correlation coefficients between the predicted and observed values were over 0.88. The consistency between the model predictions and the real residues of OLA in pigs proved the good applicability of our model in food safety risk assessment.
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Affiliation(s)
- B Yang
- National Reference Laboratory of Veterinary Drug Residues/MOA Key Laboratory of Food Safety Evaluation, Huazhong Agricultural University, Wuhan, China
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10
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CHIESA OA, LI H, KIJAK PJ, LI JX, LANCASTER V, SMITH ML, HELLER DN, THOMAS MH, Von BREDOW J. Tissue/fluid correlation study for the depletion of sulfadimethoxine in bovine kidney, liver, plasma, urine, and oral fluid. J Vet Pharmacol Ther 2011; 35:249-58. [DOI: 10.1111/j.1365-2885.2011.01327.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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11
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Reyes-Herrera I, Schneider M, Blore P, Donoghue D. The relationship between blood and muscle samples to monitor for residues of the antibiotic enrofloxacin in chickens. Poult Sci 2011; 90:481-5. [DOI: 10.3382/ps.2010-01057] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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12
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Liu Y, Huang L, Wang Y, Yang B, Ishan A, Fang K, Peng D, Liu Z, Dai M, Yuan Z. Tissue depletion and concentration correlations between edible tissues and biological fluids of 3-amino-2-oxazolidinone in pigs fed with a furazolidone-medicated feed. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2010; 58:6774-6779. [PMID: 20443624 DOI: 10.1021/jf904577f] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
Furazolidone has been prohibited for use in food animal production worldwide for its carcinogenicity and mutagenicity, but it is still illegally used in some farms because of its effectiveness and cheap price. Because of the food safety and economical concerns, it is necessary to find an efficient and low-cost way to monitor the misuse of furazolidone in food-producing animals. For this regard, the tissue depletion and tissue-biological fluid concentration correlations of 3-amino-2-oxazolidinone (AOZ), which is the marker residue of furazolidone, were studied in pigs. Pigs were dosed with 400 mg/kg of furazolidone in feed for 7 days and were sacrificed at the withdrawal time of 0.5, 7, 21, 35, 56, and 63 days. Muscle, liver, kidney, urine, and plasma were collected to detect the AOZ by a simplified indirect competitive enzyme-linked immunosorbent assay (ic-ELISA). Results showed that AOZ was widely distributed in pigs and eliminated slowly after the digestion of furazolidone. The half-lives of AOZ in the plasma, urine, liver, kidney, and muscle were 13.7, 14.7, 13.6, 13.6, and 15.0 days, respectively. Good correlations of the AOZ concentration were found between plasma and muscle, plasma and liver, urine and liver, and urine and kidney in the depletion period of 7-63 or 21-63 days, with correlation coefficients of more than 0.97 and p values less than 0.05. These correlations can provide a basis for a simple and economical way using plasma/urine to monitor the illegal use of furazolidone in pigs without slaughter.
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Affiliation(s)
- Yu Liu
- National Reference Laboratory of Veterinary Drug Residues HZAU)and MOA Key Laboratory of Food Safety Evaluation, Huazhong Agricultural University, Wuhan, Hubei 430070, People's Republic of China
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13
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Cheng C, Liu S, Xiao D, Hansel S. The Application of Trichloroacetic Acid as an Ion Pairing Reagent in LC–MS–MS Method Development for Highly Polar Aminoglycoside Compounds. Chromatographia 2010. [DOI: 10.1365/s10337-010-1614-x] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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14
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15
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Cattaneo A, Wilson R, Doohan D, LeJeune J. Bovine veterinarians’ knowledge, beliefs, and practices regarding antibiotic resistance on Ohio dairy farms. J Dairy Sci 2009; 92:3494-502. [DOI: 10.3168/jds.2008-1575] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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16
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Bovee TFH, Pikkemaat MG. Bioactivity-based screening of antibiotics and hormones. J Chromatogr A 2009; 1216:8035-50. [PMID: 19342055 DOI: 10.1016/j.chroma.2009.03.045] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2009] [Revised: 02/26/2009] [Accepted: 03/17/2009] [Indexed: 01/03/2023]
Abstract
Bioactivity-based screening methods are relatively cheap, quick and easy to use tools. Especially with respect to antimicrobial residues and compounds with hormonal activity, they form a very cost-effective alternative to physical chemical methods in large-scale surveillance and monitoring programs, where their main purpose is to identify samples that require additional chemical confirmation. A major advantage is their intrinsic capability to detect unknown compounds and new hazards. This review shows an overview of the available methods and their potential and limitations for regulatory control.
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Affiliation(s)
- T F H Bovee
- RIKILT - Institute of Food Safety, Wageningen UR, 6700 AE Wageningen, The Netherlands.
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17
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Li H, Smith ML, Chiesa OA, Kijak PJ. Determination of sulfadimethoxine and 4N-acetylsulfadimethoxine in bovine plasma, urine, oral fluid, and kidney and liver biopsy samples obtained surgically from standing animals by LC/MS/MS. J Chromatogr B Analyt Technol Biomed Life Sci 2009; 877:237-46. [DOI: 10.1016/j.jchromb.2008.12.015] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2008] [Revised: 11/20/2008] [Accepted: 12/06/2008] [Indexed: 10/21/2022]
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Chiesa OA, von Bredow J, Smith M, Thomas M. One-port video assisted laparoscopic kidney biopsy in standing steers. Res Vet Sci 2008; 87:133-4. [PMID: 19081120 DOI: 10.1016/j.rvsc.2008.10.016] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2007] [Revised: 10/26/2008] [Accepted: 10/29/2008] [Indexed: 10/21/2022]
Abstract
The purpose of this study was to simplify the two-port laparoscopic renal biopsy technique used in support of pharmacokinetic studies through the application of a one-port system. Twelve Holstein steers were fasted for 24 h and sedated with acepromazine and xylaxine in preparation for laparoscopic surgery in standing stocks. Lidocaine 2% was injected to provide local anesthesia for introduction of the trocar-cannula assembly. The operating endoscope was inserted and the abdomen was insufflated with CO(2). A biopsy forceps was introduced into the channel of the operating endoscope to obtain a 100mg kidney cortex sample. Eighteen laparoscopic procedures provided 18 kidney samples suitable for pharmacokinetic studies. No complications were encountered. The one-port laparoscopic kidney biopsy is feasible and safe, and advanced skill required for triangulation is not necessary for its performance.
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Affiliation(s)
- Oscar Alberto Chiesa
- Center for Veterinary Medicine, Office of Research, Division of Residue Chemistry, Food and Drug Administration, 8401 Muirkirk Road, Laurel, MD 20708, USA
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Pikkemaat MG, Rapallini MLBA, Dijk SOV, Elferink JWA. Comparison of three microbial screening methods for antibiotics using routine monitoring samples. Anal Chim Acta 2008; 637:298-304. [PMID: 19286043 DOI: 10.1016/j.aca.2008.08.023] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2008] [Revised: 08/19/2008] [Accepted: 08/20/2008] [Indexed: 11/15/2022]
Abstract
Monitoring large numbers of slaughter animals for the presence of antimicrobial residues is preferably carried out using microbiological screening methods, because of their high cost-effectiveness. An evaluation of the Nouws antibiotic test (NAT) was performed on routine monitoring samples and the performance of the method was compared with two other microbial screening methods: Screening test for antibiotic residues (STAR) and Premi Test. Analysis of 591 samples yielded four MRL violations. Three of them concerned tetracyclines that were only detected with the NAT and the STAR method. The fourth, 172 microgkg(-1) Sulfadiazine, was detected by all three methods. Additionally, 156 microgkg(-1) Tulathromycin was found in porcine meat, while for this residue no MRL in muscle has been established.
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Affiliation(s)
- Mariël G Pikkemaat
- RIKILT, Institute of Food Safety, Wageningen University and Research Centre, P.O. Box 230, 6700 AE Wageningen, The Netherlands
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