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Xiang Q, Wan Y, Pu X, Lu M, Xu L, Yan R, Li X, Song X. Protective efficacy of Eimeria maxima EmLPL and EmTregIM-1 against homologous challenge in chickens. Poult Sci 2024; 103:103865. [PMID: 38810564 PMCID: PMC11166879 DOI: 10.1016/j.psj.2024.103865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2024] [Revised: 05/07/2024] [Accepted: 05/13/2024] [Indexed: 05/31/2024] Open
Abstract
Chicken coccidiosis has inflicted significant economic losses upon the poultry industry. The primary strategies for preventing and controlling chicken coccidiosis include anticoccidial drugs and vaccination. However, these approaches face limitations, such as drug residues and resistance associated with anticoccidial drugs, and safety concerns related to live vaccines. Consequently, the urgent development of innovative vaccines, such as subunit vaccines, is imperative. In previous study, we screened 2 candidate antigens: Eimeria maxima lysophospholipase (EmLPL) and E. maxima regulatory T cell inducing molecule 1 (EmTregIM-1). To investigate the immune protective effect of the 2 candidate antigens against Eimeria maxima (E. maxima) infection, we constructed recombinant plasmids, namely pET-28a-EmLPL and pET-28a-EmTregIM-1, proceeded to induce the expression of recombinant proteins of EmLPL (rEmLPL) and EmTregIM-1 (rEmTregIM-1). The immunogenic properties of these proteins were confirmed through western blot analysis. Targeting EmLPL and EmTregIM-1, we developed subunit vaccines and encapsulated them in PLGA nanoparticles, resulting in nano-vaccines: PLGA-rEmLPL and PLGA-rEmTregIM-1. The efficacy of these vaccines was assessed through animal protection experiments. The results demonstrated that rEmLPL and rEmTregIM-1 were successfully recognized by anti-E. maxima chicken sera and His-conjugated mouse monoclonal antibodies. Immunization with both subunit and nano-vaccines containing EmLPL and EmTregIM-1 markedly mitigated weight loss and reduced oocyst shedding in chickens infected with E. maxima. Furthermore, the anticoccidial indexes (ACI) for both rEmLPL and PLGA-rEmLPL exceeded 160, whereas those for rEmTregIM-1 and PLGA-rEmTregIM-1 were above 120 but did not reach 160, indicating superior protective efficacy of the rEmLPL and PLGA-rEmLPL formulations. By contrast, the protection afforded by rEmTregIM-1 and PLGA-rEmTregIM-1 was comparatively lower. Thus, EmLPL is identified as a promising candidate antigen for vaccine development against E. maxima infection.
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Affiliation(s)
- Quanjia Xiang
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Yun Wan
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Xianglin Pu
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Mingmin Lu
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Lixin Xu
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Ruofeng Yan
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Xiangrui Li
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Xiaokai Song
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, PR China.
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Bello A, Mochel JP, Jajor P, Bobrek K, Świtała M, Poźniak B. Population Pharmacokinetics and Absolute Oral Bioavailability of Lasalocid after Single Intravenous and Intracrop Administration in Laying Hens. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:13348-13359. [PMID: 38829852 DOI: 10.1021/acs.jafc.4c01164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2024]
Abstract
Lasalocid sodium is a polyether carboxylic ionophore agent authorized by the EU for use as a coccidiostat in broilers, turkeys, and pullets up to 16 weeks of age, except for laying hens. However, laying hens are the most common nontarget species exposed to lasalocid sodium, mainly due to cross-contamination from feed mills. This exposure may result in potential drug residue deposition in eggs, which could potentially expose consumers to the drug. The breeds commonly used for commercial egg production in Poland are Isa Brown and Green-legged Partridge hens, which have been found to significantly differ in egg-laying performance. This variability may also affect the pharmacokinetics of lasalocid. Data on lasalocid plasma pharmacokinetics in laying hens are lacking. In this study, we aimed to determine typical population pharmacokinetic parameters, absolute oral bioavailability, and how breed may influence the pharmacokinetics of lasalocid. Twenty-layer hens of the two breeds were used in this study. Lasalocid was administered orally at a single dose of either 1 mg or 5 mg/kg body weight or intravenously at a dose of 1 mg/kg body weight, in a crossover design with a three-week washout period between study periods. Blood samples were collected for 72 h, and lasalocid concentrations were measured using high-performance liquid chromatography with fluorescence detection. A population pharmacokinetic analysis was conducted using nonlinear mixed effects modeling. Standard numerical and graphical criteria were used to select the best model, and a stepwise covariate modeling approach was used to determine any influencing factors. The best model was a three-compartment mammillary model with first-order absorption, transit compartments, and linear elimination. The estimated absolute oral bioavailability was low (36%). It was found that breed significantly influenced not only absorption but also the elimination of lasalocid. This study revealed that lasalocid absorption and elimination varied between the two breeds. This variability in pharmacokinetics may result in breed-related differences in drug residue accumulation in eggs, and ultimately, the risk associated with consumer exposure to drug residues may also vary.
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Affiliation(s)
- A Bello
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Wroclaw University of Environmental and Life Sciences, 50-375 Wroclaw, Poland
| | - J P Mochel
- Department of Pathology, Precision One Health, College of Veterinary Medicine, University of Georgia, Athens, Georgia 30602, United States
| | - P Jajor
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Wroclaw University of Environmental and Life Sciences, 50-375 Wroclaw, Poland
| | - K Bobrek
- Department of Epizootiology and Clinic of Bird and Exotic Animals, Wroclaw University of Environmental and Life Sciences, Wrocław 50-375, Poland
| | - M Świtała
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Wroclaw University of Environmental and Life Sciences, 50-375 Wroclaw, Poland
| | - B Poźniak
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Wroclaw University of Environmental and Life Sciences, 50-375 Wroclaw, Poland
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Sun L, Li C, Zhao N, Wang B, Li H, Wang H, Zhang X, Zhao X. Host protein EPCAM interacting with EtMIC8-EGF is essential for attachment and invasion of Eimeria tenella in chickens. Microb Pathog 2024; 188:106549. [PMID: 38281605 DOI: 10.1016/j.micpath.2024.106549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 01/12/2024] [Accepted: 01/15/2024] [Indexed: 01/30/2024]
Abstract
The five epidermal growth factor-like domains (EGF) of Eimeria tenella microneme protein 8 (EtMIC8) (EtMIC8-EGF) plays a vital role in host cell attachment and invasion. These processes require interactions between parasite proteins and receptors on the surface of host cells. In this study, five chicken membrane proteins potentially interacting with EtMIC8-EGF were identified using the GST pull-down assay and mass spectrometry analysis, and only chicken (Gallus gallus) epithelial cell adhesion molecule (EPCAM) could bind to EtMIC8-EGF. EPCAM-specific antibody and recombinant EPCAM protein (rEPCAM) inhibited the EtMIC8-EGF binding to host cells in a concentration-dependent manner. Furthermore, the rEPCAM protein showed a binding activity to sporozoites in vitro, and a significant reduction of E. tenella invasion in DF-1 cells was further observed after pre-incubation of sporozoites with rEPCAM. The specific anti-EPCAM antibody further significantly decreased weight loss, lesion score and oocyst output during E. tenella infection, displaying partial inhibition of E. tenella infection. These results indicate that chicken EPCAM is an important EtMIC8-interacting host protein involved in E. tenella-host cell adhesion and invasion. The findings will contribute to a better understanding of the role of adhesion-associated microneme proteins in E. tenella.
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Affiliation(s)
- Lingyu Sun
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Tai'an City, Shandong Province, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, Tai'an City, Shandong Province, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, 61 Daizong Street, Tai'an City, 271018, Shandong Province, China
| | - Chao Li
- College of Veterinary Medicine, Hebei Agricultural University, Baoding City, 071000, Hebei Province, China
| | - Ningning Zhao
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Tai'an City, Shandong Province, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, Tai'an City, Shandong Province, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, 61 Daizong Street, Tai'an City, 271018, Shandong Province, China
| | - Bingxiang Wang
- Shandong Vocational Animal Science and Veterinary College, Weifang City, Shandong Province, China
| | - Hongmei Li
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Tai'an City, Shandong Province, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, Tai'an City, Shandong Province, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, 61 Daizong Street, Tai'an City, 271018, Shandong Province, China
| | - Hairong Wang
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Tai'an City, Shandong Province, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, Tai'an City, Shandong Province, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, 61 Daizong Street, Tai'an City, 271018, Shandong Province, China
| | - Xiao Zhang
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Tai'an City, Shandong Province, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, Tai'an City, Shandong Province, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, 61 Daizong Street, Tai'an City, 271018, Shandong Province, China.
| | - Xiaomin Zhao
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Tai'an City, Shandong Province, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, Tai'an City, Shandong Province, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, 61 Daizong Street, Tai'an City, 271018, Shandong Province, China.
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An Y, Pan X, Cai Z, Xu M, Jiang D, Xu X. Simultaneous Analysis of Nicarbazin, Diclazuril, Toltrazuril, and Its Two Metabolites in Chicken Muscle and Eggs by In-Syringe Dispersive Solid-Phase Filter Clean-Up Followed by Liquid Chromatography-Tandem Mass Spectrometry. Foods 2024; 13:754. [PMID: 38472866 DOI: 10.3390/foods13050754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 02/22/2024] [Accepted: 02/26/2024] [Indexed: 03/14/2024] Open
Abstract
Nicarbazin (NICA) and triazine anticoccidial drugs (diclazuril (DIZ) and toltrazuril (TOZ)) are the primary strategy for preventing and treating coccidiosis. To prevent the development of drug resistance and mitigate the potential chronic toxicity to humans resulting from prolonged exposure, a liquid chromatography-tandem mass spectrometry method with high reliability and sensitivity was developed to determine NICA, DIZ, TOZ, and its two metabolites in chicken muscle and eggs. Upon establishing the extraction conditions involving 10 mL of acetonitrile and 10 min of sonication, in-syringe dispersive solid-phase extraction with silica was performed in combination with n-hexane clean-up. The selection of isotope peaks of precursor ions and low-mass range scanning allowed the two transitions for the quantification of all compounds. The limits of detection for DIZ and NICA were both 0.1 μg/kg, and for TOZ and metabolites, they were 0.3 μg/kg; the limits of quantitation were 0.3 and 1 μg/kg, respectively. The linear range was 0.25-50 ng/mL with a correlation coefficient r > 0.999. The average recoveries at three spiking levels in muscle and eggs were 90.1-105.2% and 94.0-103.7% with the relative standard deviations of 3.0-8.1% and 3.1-14.4%, respectively. The precision, accuracy, and stability were evaluated by three quality control samples.
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Affiliation(s)
- Yuxin An
- Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou 310051, China
| | - Xiaodong Pan
- Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou 310051, China
| | - Zengxuan Cai
- Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou 310051, China
| | - Meijia Xu
- Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou 310051, China
| | - Dingguo Jiang
- NHC Key Laboratory of Food Safety Risk Assessment, China National Center for Food Safety Risk Assessment, Beijing 100026, China
| | - Xiaomin Xu
- Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou 310051, China
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Piva MM, Echenique JVZ, Pereira PR, Vielmo A, Rosa RB, Perosa FF, Bandinelli MB, Gomes CWC, von Hohendorff R, Panziera W, Pavarini SP, Sonne L. Monensin poisoning outbreak in free-ranging and captive birds. Vet Res Commun 2024; 48:607-613. [PMID: 37815657 DOI: 10.1007/s11259-023-10232-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Accepted: 10/05/2023] [Indexed: 10/11/2023]
Abstract
Monensin poisoning is uncommon and has been rarely reported in birds. This work aimed to described clinical-pathological aspects of an outbreak of monensin poisoning in captive and free-ranging birds. Thirty-seven of 600 captive birds fed a diet containing 893.19 mg/kg of monensin died within 10 days (mortality 6.17%). There was no ionophore antibiotics on the feed label supplied to captive birds, which established an error in feed production. Necropsies were performed on twelve animals: Muscovy duck (Cairina moschata) (2/12), greater rhea (Rhea americana) (2/12), black-necked swan (Cygnus melancoryphus) (2/12), garganey (Anas querquedula) (1/12), ostrich (Struthio camelus) (1/12), and common pigeon (Columbus livia) (4/12). These four common pigeons were free-ranging birds and died after eating the same contaminated feed. Birds were mainly found dead, however in animals which clinical signs were observed (Columba livia, Rhea americana, Cairina moschata, Anas querquedula, and Struthio camelus), they included incoordination, inability to stand, and intense prostration, that ranged from 24 to 72 h until death. Grossly, five birds had focally extensive pale firm areas in the myocardium and two had in the skeletal muscles, one being concomitant lesions. Histologically, muscle necrosis and degeneration were observed in striated musculature (skeletal and/or heart) in all birds analyzed. Monensin poisoning outbreaks can affect free-ranging birds that are fed on external feeders, as well as captive birds, due to an error in the feed formulation.
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Affiliation(s)
- Manoela Marchezan Piva
- Setor de Patologia Veterinária, Universidade Federal do Rio Grande do Sul (SPV - UFRGS), Av. Bento Gonçalves, 9090, Porto Alegre, RS, 91540-000, Brasil.
| | - Joanna Vargas Zillig Echenique
- Setor de Patologia Veterinária, Universidade Federal do Rio Grande do Sul (SPV - UFRGS), Av. Bento Gonçalves, 9090, Porto Alegre, RS, 91540-000, Brasil
| | - Paula Reis Pereira
- Setor de Patologia Veterinária, Universidade Federal do Rio Grande do Sul (SPV - UFRGS), Av. Bento Gonçalves, 9090, Porto Alegre, RS, 91540-000, Brasil
| | - Andréia Vielmo
- Setor de Patologia Veterinária, Universidade Federal do Rio Grande do Sul (SPV - UFRGS), Av. Bento Gonçalves, 9090, Porto Alegre, RS, 91540-000, Brasil
| | - Rafael Biondo Rosa
- Setor de Patologia Veterinária, Universidade Federal do Rio Grande do Sul (SPV - UFRGS), Av. Bento Gonçalves, 9090, Porto Alegre, RS, 91540-000, Brasil
| | - Fernanda Felicetti Perosa
- Setor de Patologia Veterinária, Universidade Federal do Rio Grande do Sul (SPV - UFRGS), Av. Bento Gonçalves, 9090, Porto Alegre, RS, 91540-000, Brasil
| | - Marcele Bettim Bandinelli
- Setor de Patologia Veterinária, Universidade Federal do Rio Grande do Sul (SPV - UFRGS), Av. Bento Gonçalves, 9090, Porto Alegre, RS, 91540-000, Brasil
| | | | - Raquel von Hohendorff
- Parque Zoológico da Secretaria do Meio Ambiente e Infraestrutura do RS, Sapucaia do Sul, RS, Brasil
| | - Welden Panziera
- Setor de Patologia Veterinária, Universidade Federal do Rio Grande do Sul (SPV - UFRGS), Av. Bento Gonçalves, 9090, Porto Alegre, RS, 91540-000, Brasil
| | - Saulo Petinatti Pavarini
- Setor de Patologia Veterinária, Universidade Federal do Rio Grande do Sul (SPV - UFRGS), Av. Bento Gonçalves, 9090, Porto Alegre, RS, 91540-000, Brasil
| | - Luciana Sonne
- Setor de Patologia Veterinária, Universidade Federal do Rio Grande do Sul (SPV - UFRGS), Av. Bento Gonçalves, 9090, Porto Alegre, RS, 91540-000, Brasil
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Ancillotti C, Bonciani L, Passerini D, Scanavini G, Riccio R. LC-MS/MS analysis of coccidiostats in meat supply chain safety. JOURNAL OF MASS SPECTROMETRY : JMS 2024; 59:e4993. [PMID: 38108538 DOI: 10.1002/jms.4993] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 09/12/2023] [Accepted: 11/16/2023] [Indexed: 12/19/2023]
Abstract
The presence of coccidiostats in meat products represents an important topic because of the animal administration of these substances, authorized as feed additives for targeted species, in order to prevent and inhibit coccidiosis. Coccidiostats include both ionophores and synthetic molecules characterized by different chemical-physical properties such as polarity. Meat is a matrix characterized by many interfering compound groups, such as proteins, phospholipids, and fats. High-performance liquid chromatography (HPLC) coupled to mass spectrometry (MS) analysis allows the required selectivity and sensitivity for discriminating analytes and matrix interferences. For these reasons, an LC-MS/MS method for the analysis of coccidiostats in meat products was developed without SPE purification steps. The correct analyte quantification is allowed by matrix-matched calibration. The method validation was performed by the replicated analysis of spiked meat samples at two different concentration levels (limit of quantification-LOQ-and a 10 times LOQ) in order to evaluate method recovery and repeatability, plus spiked samples at higher concentrations up to 10,000 μg/kg. Moreover, the metrological approach was used for the calculation of method uncertainty. The application of the developed method to real samples evidenced the presence of some non-ionophores coccidiostats in the meat and liver of chicken and rabbit species. Although, the determined concentration was below the established MRLs, the monitoring of coccidiostats in the meat supply chain is confirmed as a good strategy in order to safeguard consumer health.
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Affiliation(s)
- Claudia Ancillotti
- Biochemie Lab S.r.l., Via di Limite 27G, Campi Bisenzio (FI), 50013, Italy
| | - Lisa Bonciani
- Biochemie Lab S.r.l., Via di Limite 27G, Campi Bisenzio (FI), 50013, Italy
| | - Davide Passerini
- Biochemie Lab S.r.l., Via di Limite 27G, Campi Bisenzio (FI), 50013, Italy
| | - Giulia Scanavini
- Biochemie Lab S.r.l., Via di Limite 27G, Campi Bisenzio (FI), 50013, Italy
| | - Roberto Riccio
- Biochemie Lab S.r.l., Via di Limite 27G, Campi Bisenzio (FI), 50013, Italy
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Ahmad R, Yu YH, Hua KF, Chen WJ, Zaborski D, Dybus A, Hsiao FSH, Cheng YH. Management and control of coccidiosis in poultry - A review. Anim Biosci 2024; 37:1-15. [PMID: 37641827 PMCID: PMC10766461 DOI: 10.5713/ab.23.0189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 07/13/2023] [Accepted: 08/12/2023] [Indexed: 08/31/2023] Open
Abstract
Poultry coccidiosis is an intestinal infection caused by an intracellular parasitic protozoan of the genus Eimeria. Coccidia-induced gastrointestinal inflammation results in large economic losses, hence finding methods to decrease its prevalence is critical for industry participants and academic researchers. It has been demonstrated that coccidiosis can be effectively controlled and managed by employing anticoccidial chemical compounds. However, as a result of their extensive use, anticoccidial drug resistance in Eimeria species has raised concerns. Phytochemical/herbal medicines (Artemisia annua, Bidens pilosa, and garlic) seem to be a promising strategy for preventing coccidiosis, in accordance with the "anticoccidial chemical-free" standards. The impact of herbal supplements on poultry coccidiosis is based on the reduction of oocyst output by preventing the proliferation and growth of Eimeria species in chicken gastrointestinal tissues and lowering intestinal permeability via increased epithelial turnover. This review provides a thorough up-to-date assessment of the state of the art and technologies in the prevention and treatment of coccidiosis in chickens, including the most used phytochemical medications, their mode of action, and the applicable legal framework in the European Union.
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Affiliation(s)
- Rafiq Ahmad
- Department of Biotechnology and Animal Science, National Ilan University, Yilan 26047,
Taiwan
| | - Yu-Hsiang Yu
- Department of Biotechnology and Animal Science, National Ilan University, Yilan 26047,
Taiwan
| | - Kuo-Feng Hua
- Department of Biotechnology and Animal Science, National Ilan University, Yilan 26047,
Taiwan
| | - Wei-Jung Chen
- Department of Biotechnology and Animal Science, National Ilan University, Yilan 26047,
Taiwan
| | - Daniel Zaborski
- Department of Ruminants Science, West Pomeranian University of Technology, Klemensa Janickiego 29, 71-270 Szczecin,
Poland
| | - Andrzej Dybus
- Department of Genetics, West Pomeranian University of Technology, 70-310 Szczecin,
Poland
| | - Felix Shih-Hsiang Hsiao
- Department of Biotechnology and Animal Science, National Ilan University, Yilan 26047,
Taiwan
| | - Yeong-Hsiang Cheng
- Department of Biotechnology and Animal Science, National Ilan University, Yilan 26047,
Taiwan
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8
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Zhang L, Song Z, Li P, Song X, Tang X, Hu D. Molecular characterization and immune protective efficacy of 3 Eimeria tenella antigens. Poult Sci 2024; 103:103234. [PMID: 37980744 PMCID: PMC10685023 DOI: 10.1016/j.psj.2023.103234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 10/18/2023] [Accepted: 10/21/2023] [Indexed: 11/21/2023] Open
Abstract
Avian coccidiosis caused by Eimeria is a serious parasitic disease that poses a threat to the poultry industry. Currently, prevention and treatment mainly rely on the administration of anticoccidials and live oocyst vaccines. However, the prevalence of drug resistance and the inherent limitations of live vaccines have driven the development of novel vaccines. In this study, the surface protein (Et-SAG14), a previously annotated rhoptry protein (Eten5-B), and a gametocyte phosphoglucomutase (Et-PGM1) were characterized and the vaccine potential of the recombinant proteins were evaluated. Et-SAG14 was dispersed in the form of particles in the sporozoite and merozoite stages, whereas Et-PGM1 was distributed in the apical part of the sporozoite and merozoite stages. The previously annotated rhoptry Eten5-B was found not to be located in the rhoptry but distributed in the cytoplasm of sporozoites and merozoites. Immunization with rEten5-B significantly elevated host interferon gamma (IFN-γ) and interleukin 10 (IL-10) transcript levels and exhibited moderate anticoccidial effects with an anticoccidial index (ACI) of 161. Unexpectedly, both recombinant Et-SAG14 and Et-PGM1 immunization significantly reduced host IFN-γ and IL-10 transcription levels, and did not show protection against E. tenella challenge (ACI < 80). These results suggest that the rEten5-B protein can trigger immune protection against E. tenella and may be a potential and effective subunit vaccine for the control of coccidiosis in poultry.
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Affiliation(s)
- Lei Zhang
- College of Animal Science and Technology, Guangxi University, Nanning 530004, China
| | - Zhixuan Song
- College of Animal Science and Technology, Guangxi University, Nanning 530004, China
| | - Peiyao Li
- College of Animal Science and Technology, Guangxi University, Nanning 530004, China
| | - Xingju Song
- College of Animal Science and Technology, Guangxi University, Nanning 530004, China; Guangxi Zhuang Autonomous Region Engineering Research Center of Veterinary Biologics, Nanning 530004, China; Guangxi Key Laboratory of Animal Breeding, Disease Control and Prevention, Nanning 530004, China
| | - Xinming Tang
- Institute of Animal Science (IAS), Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Dandan Hu
- College of Animal Science and Technology, Guangxi University, Nanning 530004, China; Guangxi Zhuang Autonomous Region Engineering Research Center of Veterinary Biologics, Nanning 530004, China; Guangxi Key Laboratory of Animal Breeding, Disease Control and Prevention, Nanning 530004, China.
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Hriciková S, Kožárová I, Koréneková B, Marcinčák S. The Effect of the Supplementation of Humic Substances and Fermented Products in the Feed on the Content of Salinomycin Residues in Poultry Tissues. Foods 2023; 13:68. [PMID: 38201096 PMCID: PMC10778268 DOI: 10.3390/foods13010068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Revised: 12/20/2023] [Accepted: 12/22/2023] [Indexed: 01/12/2024] Open
Abstract
The presence of antimicrobial residues in products of animal origin is a constant problem for consumer health. The aim of this study was to observe the effect of the addition of humic substances (H), fermented products (F) and a mixture of both (FH) to feed supplemented with the coccidiostat salinomycin, compared with a control group (C), on the content of salinomycin residues in the edible tissues of broiler chickens using two microbial inhibition screening methods, Explorer 2.0 test and the Screening Test for Antibiotic Residues (STAR), and a confirmatory competitive enzyme immunoassay analysis (Salinomycin ELISA Kit). The results of the microbial inhibition tests showed a gradual decline in the positive results in the tissue samples from the last day of salinomycin administration (30th day) tothe last day of fattening (37th day, day of slaughter) in group C and no positive results in the tissue samples from experimental groups H, F and FH slaughtered on the last day of fattening. Using the Salinomycin ELISA Kit, salinomycin was detected in the chicken muscle tissues of all the control and experimental groups. However, no sample from any group contained salinomycin at a concentration exceeding the maximum residue limits set by European law. The high level of significance (p < 0.001) confirmed the positive influence of the administration of humic substances and fermented products on the content of salinomycin residues in chicken tissues.
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Affiliation(s)
| | - Ivona Kožárová
- Department of Food Hygiene, Technology and Safety, University of Veterinary Medicine and Pharmacy in Košice, Komenského 73, 04181 Košice, Slovakia; (S.H.)
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10
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Al-Shaebi EM, Al-Quraishy S, Maodaa SN, Abdel-Gaber R. In vitro studies for antiparasitic activities of Punica granatum extract. Microsc Res Tech 2023; 86:1655-1666. [PMID: 37606089 DOI: 10.1002/jemt.24401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Revised: 07/24/2023] [Accepted: 08/08/2023] [Indexed: 08/23/2023]
Abstract
Because of the drug resistance, medicinal plants are used more frequently than coccidiostats to treat and control coccidiosis. Punica granatum is a powerful antioxidant with a variety of medicinal uses. This study used an in vitro experiment to investigate how different P. granatum from Yemen (Y) and Egypt (E) sources affected oocyst sporulation and served as an anthelminthic effector. In contrast to PGE and mebendazole, PGY (200 mg/mL) has the shortest time to paralyze and death the earthworm Eisenia fetida in this investigation. In addition, the treated worm groups' cuticle thickness and shrinkage in comparison to the control group were assessed and contrasted. Eimeria papillata is used as a model protozoan parasite in anticoccidial assays. This study shows that P. granatum affects oocysts sporulation in a dose-dependent manner, with maximal percentages of 100% (PGY) and 48.60% (PGE) at 96 h for P. granatum concentrations of 200 mg/mL. Inhibition (%) was compared to various detergents, as well as positive and negative controls. According to our research, the P. granatum extract had powerful anthelmintic and anticoccidial properties, with the potency changing according to the environmental conditions of each fruit source. RESEARCH HIGHLIGHTS: Habitat of the plant is useful for production and accumulation of some secondary metabolites in plants which be effective for the therapeutic uses. Different parameters in the environmental ecosystem affecting variation in chemical compositions and biological activity of P. granatum.
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Affiliation(s)
- Esam M Al-Shaebi
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Saleh Al-Quraishy
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Saleh N Maodaa
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Rewaida Abdel-Gaber
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
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11
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Pu X, Pan Y, Xiang Q, Lu M, Xu L, Yan R, Li X, Song X. Inhibitory effect of Eimeria maxima IFN-γ inhibitory molecules on the immune function of T cell subsets in chickens. Poult Sci 2023; 102:103098. [PMID: 37797491 PMCID: PMC10622878 DOI: 10.1016/j.psj.2023.103098] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 09/03/2023] [Accepted: 09/06/2023] [Indexed: 10/07/2023] Open
Abstract
It has been reported that infection of chicken coccidian could inhibit the production of Th1 cytokine IFN-γ, thereby evading clearance by the host immune system. The present study aimed to have a further investigation into the effects of Eimeria maxima IFN-γ inhibitory molecules (EmHPSP-2 and EmHPSP-3) on the immune function of chicken peripheral blood mononuclear cells (PBMC) and various T cell subsets. First, separated PBMC or sorted T cell subsets were used for incubation with recombinant proteins of EmHPSP-2 (rEmHPSP-2) and EmHPSP-3 (rEmHPSP-3). Subsequently, the effects of rEmHPSP-2 and rEmHPSP-3 on proliferative capacity, nitric oxide (NO) release and mRNA levels of cytokines of the above cells were detected. The sorting purity of CD8+, CD4+ CD25-, CD4+, and CD4+ CD25+ T cells was 93.01, 88.88, 87.04, and 81.26%, respectively. The NO release of PBMC was significantly inhibited by rEmHPSP-2 and rEmHPSP-3. The proliferation of PBMC and CD4+ T cells was significantly inhibited by rEmHPSP-2 and rEmHPSP-3, whereas CD8+, CD4+ CD25-, and CD4+ CD25+ T cells was significantly promoted by the 2 proteins. The 2 proteins significantly downregulated interferon-gamma (IFN-γ) mRNA level, upregulated the transcriptional levels of interleukin-10 (IL-10) and transforming growth factor-beta1 (TGF-β1) in PBMC. IFN-γ and IL-2 transcriptional levels were markedly inhibited in CD8+ T cells. IFN-γ transcriptional level was significantly inhibited, but IL-4 was promoted by rEmHPSP-2 and rEmHPSP-3 in CD4+ CD25- T cells. Meanwhile, the inhibitory effects of rEmHPSP-2 and rEmHPSP-3 on the transcriptional levels of IFN-γ and IL-2 were more obvious in CD4+ T cells containing CD25+ cells compared with the CD25+ cells depletion group. It was found that IL-10, TGF-β1, and cytotoxic T lymphocyte-associated antigen-4 (CTLA-4) mRNA levels were significantly upregulated upon stimulation of chicken CD4+ CD25+ T cells by proteins. This study is not only of great significance to clarify the immune evasion mechanism of chicken coccidia, but also provides candidate antigen molecules for development of a novel vaccine against chicken coccidiosis.
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Affiliation(s)
- Xianglin Pu
- Ministry of Education (MOE) Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Yangdong Pan
- Ministry of Education (MOE) Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Quanjia Xiang
- Ministry of Education (MOE) Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Mingmin Lu
- Ministry of Education (MOE) Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Lixin Xu
- Ministry of Education (MOE) Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Ruofeng Yan
- Ministry of Education (MOE) Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Xiangrui Li
- Ministry of Education (MOE) Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Xiaokai Song
- Ministry of Education (MOE) Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, PR China.
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12
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Liang Q, Chen C, Xu W, Zhang N, Yang J, Song W, Cai H, Hou R, Li H, Zhang X. A Comparable icELISA and Lateral Flow Immunoassay for the Sensitive and Rapid Detection of 4,4'-Dinitrocarbanilide in Chicken. TOXICS 2023; 11:628. [PMID: 37505593 PMCID: PMC10385411 DOI: 10.3390/toxics11070628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2023] [Revised: 07/10/2023] [Accepted: 07/15/2023] [Indexed: 07/29/2023]
Abstract
4,4'-dinitrocarbanilide (DNC) is a key component and marker residue of nicarbazin, which forms residues in edible tissue and then causes nephrotoxicity and hepatotoxicity in humans if used excessively. To simplify sample preparation and monitor the DNC rapidly and accurately, a comparable icELISA and lateral flow immunoassay (LFIA) was developed in this study. Briefly, the reaction parameters were explored for improving the sensitivity of icELISA and LFIA. Under the optimal conditions, methanol was selected as the extracting solvent for DNC in chicken, and 20- and 10-fold dilutions of sample extraction eliminated the matrix effect for icELISA and LFIA, separately. After sample pretreatment, the analysis properties of icELISA and LFIA were compared. The limit of detection of icELISA for DNC was 0.8 μg/kg, and the visual and quantitative limits of detection of LFIA were 8 and 2.5 μg/kg. Compared with icELISA, LFIA showed lower sensitivity but obvious advantages in terms of matrix tolerance and detection time (within 15 min). The sensitivity, specificity, and accuracy of the developed assays satisfied the detection requirement even if using simple sample pretreatment. This comparable icELISA and LFIA provided mutual verifiability methods for the accurate detection of DNC in chicken.
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Affiliation(s)
- Qianxin Liang
- Animal-Derived Food Safety Innovation Team, College of Tea and Food Science & Technology, Anhui Agricultural University, Hefei 230036, China
| | - Chen Chen
- Animal-Derived Food Safety Innovation Team, College of Tea and Food Science & Technology, Anhui Agricultural University, Hefei 230036, China
| | - Wenqing Xu
- Animal-Derived Food Safety Innovation Team, College of Tea and Food Science & Technology, Anhui Agricultural University, Hefei 230036, China
| | - Ning Zhang
- Animal-Derived Food Safety Innovation Team, College of Tea and Food Science & Technology, Anhui Agricultural University, Hefei 230036, China
| | - Jielin Yang
- Animal-Derived Food Safety Innovation Team, College of Tea and Food Science & Technology, Anhui Agricultural University, Hefei 230036, China
| | - Wei Song
- Hefei Customs District Technical Center, Anhui Key Lab of Analysis and Detection for Food Safety, Hefei 230022, China
| | - Huimei Cai
- Animal-Derived Food Safety Innovation Team, College of Tea and Food Science & Technology, Anhui Agricultural University, Hefei 230036, China
| | - Ruyan Hou
- Animal-Derived Food Safety Innovation Team, College of Tea and Food Science & Technology, Anhui Agricultural University, Hefei 230036, China
| | - Hongfang Li
- Animal-Derived Food Safety Innovation Team, College of Tea and Food Science & Technology, Anhui Agricultural University, Hefei 230036, China
| | - Xiya Zhang
- College of Food Science and Technology, Henan Agricultural University, Zhengzhou 450002, China
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Shah SAA, Qureshi NA, Qureshi MZ, Alhewairini SS, Saleem A, Zeb A. Characterization and bioactivities of M. arvensis, V. officinalis and P. glabrum: In-silico modeling of V. officinalis as a potential drug source. Saudi J Biol Sci 2023; 30:103646. [PMID: 37181636 PMCID: PMC10173785 DOI: 10.1016/j.sjbs.2023.103646] [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: 01/03/2023] [Revised: 03/12/2023] [Accepted: 03/31/2023] [Indexed: 05/16/2023] Open
Abstract
In current study the pharmaceutically active herbs was used against coccidiosis, caused by a protozoan: Eimeria, lead to $ 3 billion loss annually. The aqueous and methanolic extracts of whole plants were applied in-vitro to assess sporulation inhibition (spi) assay and calculated the inhibitory concentration (IC50). For in-vivo study 9 groups of 14 day old broiler chicks were infected with Eimeria tenella and three groups were treated different concentrations of methanolic extracts of Verbena officinalis and Polygonum glabrum post infection. The mean weight gain, oocyst count, diarrhea, biochemical tests, hematology, and histopathology of all groups were analyzed. The herbs were characterized by antioxidant assay, phytochemical screening, Fourier transmission and infrared (FT-IR), Ultra Violet-visible (UV-Vis) spectroscopy and Gas chromatography and mass spectroscopy (GC-MS). The GC-MS identified phyto-compounds of V. officinalis were docked with S-Adenosyl methionine (SAM) synthetase. The in-vitro study revealed that V. officinalis and P. glabrum have minimum IC50 of 0.14 and 12 mg/ml respectively. The in-vivo experiment showed that V. officinalis had significantly high anticoccidial potential with significant hematological profile like drug treated controls. The histology of treated chicks also showed recovery in the studied tissues. The antioxidant assay showed that V. officinalis have 4.19U/mg Superoxide dismutase (SOD) and 33.96 µM/mg Glutathione (GSH) quantities. The chemical characterization confirmed the presence of large number of organic compounds, however Flavonoids found only in V. officinalis, which suggests the anticoccidial potential of V. officinalis because flavonoids as antagonist of thiamine (Prinzo, 1999), because it promotes the carbohydrate synthesis required. Strychane, 1-acetyl-20a-hydroxy-16-methylene has best binding of with target protein with lowest binding score (-6.4 Kcal/mol), suggests its anticoccidial potential in poultry.
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Affiliation(s)
- Syed Aizaz Ali Shah
- Parasitology Laboratory, Department of Zoology, Faculty of Biological Science, Quaid-i-Azam University, Islamabad 45320, Pakistan
| | - Naveeda Akhtar Qureshi
- Parasitology Laboratory, Department of Zoology, Faculty of Biological Science, Quaid-i-Azam University, Islamabad 45320, Pakistan
- Corresponding author.
| | - Muhammad Zahid Qureshi
- Deanship of Educational Services, Department of Biochemistry, Qassim University, Malidah, Buraida, Al Qassim 51411, Saudi Arabia
| | - Saleh S. Alhewairini
- Department of Plant Production and Protection, College of Agriculture and Veterinary Medicine, Qassim University, Malidah, Buraida, Al Qassim 51411, Saudi Arabia
| | - Anber Saleem
- Department of Anatomy, Shaheed Zulfiqar Ali Bhutto Medical University, Islamabad 44080, Pakistan
| | - Adnan Zeb
- Department of Biotechnology, Faculty of Biological Science, Quaid-i-Azam University, Islamabad 45320, Pakistan
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Zifan C, Chaojun Z, Qiaoli P, Qingfeng Z, Yunping D, Huihua Z. Construction of recombinant SAG22 Bacillus subtilis and its effect on immune protection of coccidia. Poult Sci 2023; 102:102780. [PMID: 37276704 PMCID: PMC10258495 DOI: 10.1016/j.psj.2023.102780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 05/10/2023] [Accepted: 05/13/2023] [Indexed: 06/07/2023] Open
Abstract
Avian coccidiosis causes huge economic losses to the global poultry industry. Vaccine is an important means to prevent and control coccidiosis. In this study, Bacillus subtilis was selected as the expression host strain to express anti Eimeria tenella surface protein SAG22. The synthesized surface protein SAG22 gene fragment of E. tenella was ligated with Escherichia coli-bacillus shuttle vector GJ148 to construct the recombinant vector SAG22-GJ148. And then the recombinant Bacillus strain SAG22-DH61 was obtained by electrotransfer. The results of SDS-PAGE and Western Blot showed that the recombinant protein SAG22 was successfully expressed intracellularly. The immunoprotective effect of recombinant Bacillus strain SAG22-DH61 on broiler chickens was evaluated in 3 identically designed animal experiments. The birds were infected with E. tenella on d 14, 21, and 28, respectively. Each batch of experiments was divided into 4 groups: blank control group (NC), blank control group + infected E. tenella (CON), addition of recombinant SAG22-DH61 strain + infected with E. tenella (SAG22-DH61), addition of recombinant empty vector GJ148-DH61 strain + infected with E. tenella (GJ148-DH61). The animal experiments results showed that the average weight gain of the SAG22-DH61 group was higher than that of the infected control group, and the difference was significant in the d 14 and 28 attack tests (P < 0.05); the oocyst reduction rate of the SAG22-DH61 group was much higher than that of the GJ148-DH61 group (P < 0.05); the intestinal lesion count score of the SAG22-DH61 group was much lower than that of the GJ148-DH61 group (P < 0.05). In addition, the SAG22-DH61 group achieved highly effective coccidia resistance in the d 14 attack test and moderately effective coccidia resistance in both the d 21 and 28 attack tests. In summary, recombinant SAG22 B. subtilis has the potential to become one of the technological reserves in the prevention and control of coccidiosis in chickens in production.
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Affiliation(s)
- Chen Zifan
- School of Life Science and Engineering, Foshan University, Foshan, 528000, China
| | - Zheng Chaojun
- School of Life Science and Engineering, Foshan University, Foshan, 528000, China
| | - Peng Qiaoli
- School of Life Science and Engineering, Foshan University, Foshan, 528000, China
| | - Zhou Qingfeng
- Guangdong Guangken Animal Husbandry Engineering Research Institute Co., Ltd., Guangzhou, 510000, China
| | - Du Yunping
- Guangdong Guangken Animal Husbandry Engineering Research Institute Co., Ltd., Guangzhou, 510000, China
| | - Zhang Huihua
- School of Life Science and Engineering, Foshan University, Foshan, 528000, China.
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Development and Validation of a Confirmatory Method for the Determination of 12 Coccidiostat Residues in Eggs and Muscle by Means of Liquid Chromatography Coupled to Hybrid High Resolution Mass Spectrometry. SEPARATIONS 2023. [DOI: 10.3390/separations10030202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/18/2023] Open
Abstract
A confirmatory, highly selective multi-residue method based on liquid chromatography coupled to hybrid high resolution mass spectrometry (LC-Q-Orbitrap) was developed and validated for the determination of 12 regulated coccidiostats in eggs and muscle. Particularly, ionophore antibiotics (lasalocid, maduramicin, monensin, narasin, salinomycin and semduramicin) and synthetic coccidiostats (diclazuril, halofuginone, nicarbazin as 4,4′-dinitrocarbanilide fraction, robenidine and toltrazuril as toltrazuril-sulphone) were included in the method. The sample preparation consisted in the extraction of the analytes from the matrix with acetonitrile, followed by a clean-up step with Oasis® PRiME HLB SPE and a defatting procedure with n-hexane. Validation was successfully performed according to Commission Implementing Regulation (EU) 2021/808, starting from 1 µg kg−1. The procedure was verified through the analysis of a certified reference material (CRM) and the occurrence of the residues was assessed in the context of the Italian National Residue Control Plan (NRCP).
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16
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Sun L, Zhao N, Li H, Wang B, Li H, Zhang X, Zhao X. Construction of a Lactobacillus plantarum-based claudin-3 targeting delivery system for the development of vaccines against Eimeria tenella. Vaccine 2023; 41:756-765. [PMID: 36526500 DOI: 10.1016/j.vaccine.2022.12.014] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 11/06/2022] [Accepted: 12/07/2022] [Indexed: 12/23/2022]
Abstract
Avian coccidiosis causes huge economic losses to the poultry industry worldwide and currently lacks effective live vector vaccines. Achieving efficient antigen delivery to mucosa-associated lymphoid tissue (MALT) is critical for improving the effectiveness of vaccines. Here, chicken claudin-3 (CLDN3), a tight junction protein expressed in MALT, was identified as a target, and the C-terminal region of Clostridium perfringens enterotoxin (C-CPE) was proven to bind to chicken CLDN3. Then, a CLDN3-targeting Lactobacillus plantarum NC8-expressing C-CPE surface display system (NC8/GFP-C-CPE) was constructed to successfully express the heterologous protein on the surface of L. plantarum. The colonization level of NC8/GFP-C-CPE was significantly increased compared to the non-targeting strain and could persist in the intestine for at least 72 h. An oral vaccine strain expressing five EGF domains of Eimeria tenella microneme protein 8 (EtMIC8-EGF) (NC8/EtMIC8-EGF-C-CPE) was constructed to evaluate the protective efficacy against E. tenella infection. The results revealed that CLDN3-targeting L. plantarum induced stronger mucosal immunity in gut-associated lymphoid tissues (GALT) as well as humoral responses and conferred better protection in terms of parasite replication and pathology than the non-targeting strain. Overall, we successfully constructed a CLDN3-targeting L. plantarum NC8 surface display system characterized by MALT-targeting, which is an efficient antigen delivery system to confer enhanced protective efficacy in chickens against E. tenella infection.
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Affiliation(s)
- Lingyu Sun
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Tai'an City, Shandong Province, China
| | - Ningning Zhao
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Tai'an City, Shandong Province, China
| | - Huihui Li
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Tai'an City, Shandong Province, China
| | - Bingxiang Wang
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Tai'an City, Shandong Province, China
| | - Hongmei Li
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Tai'an City, Shandong Province, China
| | - Xiao Zhang
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Tai'an City, Shandong Province, China.
| | - Xiaomin Zhao
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Tai'an City, Shandong Province, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, Tai'an City, Shandong Province, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, 61 Daizong Street, Tai'an City 271018, Shandong Province, China.
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Han M, Hu W, Chen T, Guo H, Zhu J, Chen F. Anticoccidial activity of natural plants extracts mixture against Eimeria tenella: An in vitro and in vivo study. Front Vet Sci 2022; 9:1066543. [PMID: 36504841 PMCID: PMC9727100 DOI: 10.3389/fvets.2022.1066543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Accepted: 11/03/2022] [Indexed: 11/24/2022] Open
Abstract
Coccidiosis, an acute epidemic intestinal disease of poultry, is caused by the parasitic protozoan genus Eimeria, with Eimeria tenella being the most pathogenic spp. Novel approaches are required to address the limitations of current treatments for this disease. We investigated the effects of eight plant extracts and essential oils and their mixture on Eimeria tenella as potential treatments for coccidial infection. The anticoccidial effects of non-toxic concentrations of Punica granatum L. (0.005 mg/mL), Plantago asiatica L. (0.780 mg/mL), Bidens pilosa L. (0.390 mg/mL), Acalypha australis L. (0.390 mg/mL), Pteris multifida Poir (0.050 mg/mL), and Portulaca oleracea L. sp. Pl. (0.050 mg/mL) extracts; Artemisia argyi Levl. et Vant. (0.010 μL/mL) and Camellia sinensis (L.) O. Ktze (0.050 μL/mL) essential oils; and their mixture (0.500 mL/mL) on Eimeria tenella were determined using cell viability assays, flow cytometry, and in vivo studies. The eight plant extracts and essential oils and their mixture inhibited Eimeria tenella sporozoites from invading chicken embryo fibroblast cells in vitro. The extract and essential oil mixture improved the feed conversion ratio and body weight gain, reduced fecal oocyst excretion, substantially reduced the mortality of Eimeria tenella-infected chickens, and reduced Eimeria tenella-induced cecal damage in vivo. The results suggest that the extract and essential oil mixtures inhibit Eimeria tenella invasion both in vitro and in vivo, demonstrating their potential as anticoccidial agents.
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Affiliation(s)
- Mingzheng Han
- College of Animal Science, South China Agricultural University, Guangzhou, China,Bioforte Biotechnology (Shenzhen) Co., Ltd., Shenzhen, China,Research Institute, Wen's Foodstuffs Group Co., Ltd., Yunfu, China
| | - Wenfeng Hu
- College of Animal Science, South China Agricultural University, Guangzhou, China,Research Institute, Wen's Foodstuffs Group Co., Ltd., Yunfu, China,College of Food Science, South China Agricultural University, Guangzhou, China
| | - Tong Chen
- Bioforte Biotechnology (Shenzhen) Co., Ltd., Shenzhen, China,Research Institute, Wen's Foodstuffs Group Co., Ltd., Yunfu, China
| | - Hanxing Guo
- Bioforte Biotechnology (Shenzhen) Co., Ltd., Shenzhen, China,Research Institute, Wen's Foodstuffs Group Co., Ltd., Yunfu, China,College of Food Science, South China Agricultural University, Guangzhou, China
| | - Jianfeng Zhu
- Bioforte Biotechnology (Shenzhen) Co., Ltd., Shenzhen, China,Research Institute, Wen's Foodstuffs Group Co., Ltd., Yunfu, China
| | - Feng Chen
- College of Animal Science, South China Agricultural University, Guangzhou, China,Bioforte Biotechnology (Shenzhen) Co., Ltd., Shenzhen, China,Research Institute, Wen's Foodstuffs Group Co., Ltd., Yunfu, China,*Correspondence: Feng Chen
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18
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Nicarbazin Residue in Tissues from Broilers Reared on Reused Litter Conditions. Animals (Basel) 2022; 12:ani12223107. [PMID: 36428335 PMCID: PMC9686525 DOI: 10.3390/ani12223107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 11/04/2022] [Accepted: 11/05/2022] [Indexed: 11/12/2022] Open
Abstract
Nicarbazin (NCZ) is a worldwide used anticoccidial in poultry farming to avoid coccidiosis disease when chickens are reared on conventional poultry litter. If proper dosage and withdrawal time are not followed, the component dinitrocarbanilide (DNC) of NCZ may be present in chicken tissues, therefore posing a risk to consumers if the residues are above 200 µg/kg. Litter reuse is a common and important practice in commercial chicken production. Literature is lacking about the influence of litter reuse on DNC deposition in chicken tissues and its impact on food safety. We aimed to evaluate DNC residues in breast and liver by LC-MS/MS from broilers from an experiment with 10 consecutive flocks during 2 years. The experiment included three treatments containing NCZ in the diet (T1 = 125 mg/kg, 1−21 d; T2 = 125 mg/kg, 1−32 d; T3 = 40 mg/kg, 1−32 d). DNC residues in chicken breast at 21 d in T1 ranged from 648.8−926 µg/kg, at 32 d in T2 and T3 varied, respectively, from 232−667 µg/kg and 52−189 µg/kg. Regarding liver, DNC residues at 21 days in T1 ranged from 11,754−15,281 µg/kg, at 32 days in T2 and T3 varied, respectively, from 10,168−15,021 µg/kg and 2899−4573 µg/kg. When NCZ was withdrawn from feed, DNC residues dropped to <LOQ at 42 d in all treatments. Therefore, the reuse of poultry litter does not compromise food safety regarding DNC residues in chicken tissues, as shown herein up to 10 flocks.
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19
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Antibiotic Residues in Poultry Eggs and Its Implications on Public Health: A Review. SCIENTIFIC AFRICAN 2022. [DOI: 10.1016/j.sciaf.2022.e01456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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20
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Bello A, Henri J, Viel A, Mochel JP, Poźniak B. Ionophore coccidiostats - disposition kinetics in laying hens and residues transfer to eggs. Poult Sci 2022; 102:102280. [PMID: 36410065 PMCID: PMC9676626 DOI: 10.1016/j.psj.2022.102280] [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: 06/15/2022] [Revised: 10/17/2022] [Accepted: 10/18/2022] [Indexed: 11/15/2022] Open
Abstract
Poultry production is linked with the use of veterinary medicinal products to manage diseases. Ionophore coccidiostats have been permitted for use as feed additives within the European Union (EU) for the prevention of coccidiosis in various species of poultry with except of laying hens. The presence of chemical residues in eggs is a matter of major concern for consumers' health. Despite such prohibition of use in laying hens, they were identified as the most common non-target poultry species being frequently exposed to these class of coccidiostats. Many factors can influence the presence of residues in eggs. Carryover of these class of coccidiostat feed additives in the feed of laying hens has been identified as the main reason of their occurrence in commercial poultry eggs. The physicochemical properties of individual compounds, the physiology of the laying hen, and the biology of egg formation are believed to govern the residue transfer rate and its distribution between the egg white and yolk compartments. This paper reviews the causes of occurrence of residues of ionophore coccidiostats in eggs within the EU with special emphasis on their disposition kinetics in laying hens, and residue transfer into eggs. Additional effort was made to highlight future modeling perspectives on the potential application of pharmacokinetic modeling in predicting drug residue transfer and its concentration in eggs.
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Affiliation(s)
- Abubakar Bello
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Wroclaw University of Environmental and Life Sciences, Wroclaw 50-375, Poland
| | - Jérôme Henri
- ANSES (French Agency for Food, Environmental and Occupational Health and Safety), Fougères Laboratory, 35306, Fougères Cedex, France
| | - Alexis Viel
- ANSES (French Agency for Food, Environmental and Occupational Health and Safety), Fougères Laboratory, 35306, Fougères Cedex, France
| | - Jonathan Paul Mochel
- SMART Pharmacology, Department of Veterinary Diagnostic and Production Animal Medicine, College of Veterinary Medicine, Iowa State University, Ames, IA 50011, USA
| | - Błażej Poźniak
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Wroclaw University of Environmental and Life Sciences, Wroclaw 50-375, Poland,Corresponding author:
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21
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Coccidiostats and Poultry: A Comprehensive Review and Current Legislation. Foods 2022; 11:foods11182738. [PMID: 36140870 PMCID: PMC9497773 DOI: 10.3390/foods11182738] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 08/18/2022] [Accepted: 08/31/2022] [Indexed: 11/23/2022] Open
Abstract
Coccidiosis remains one of the major problems of the poultry industry. Caused by Eimeria species, Coccidiosis is a contagious parasitic disease affecting poultry with great economic significance. Currently, in order to prevent health problems caused by this disease, broiler farmers make extensive use of coccidiostats in poultry feed, maintaining animal health and, in some cases, enhancing feed conversion. The presence of unauthorized substances, residues of veterinary products and chemical contaminants in the food industry is of concern, since they may pose a risk to public health. As the use of coccidiostats has been increasing without any requirements for veterinary prescription, research and surveillance of coccidiostat residues in poultry meat is becoming imperative. This review presents an up-to-date comprehensive discussion of the state of the art regarding coccidiosis, the most used anticoccidials in poultry production, their mode of action, their prophylactic use, occurrence and the European Union (EU) applicable legislation.
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22
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Chi KX, Yu H, Guo YH, Cheng YL, Xie YF, Yao WR. Development of UPLC-MS/MS method for determining hainanmycin in foods of animal origin. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2022; 39:1401-1411. [PMID: 35679265 DOI: 10.1080/19440049.2022.2083693] [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: 10/18/2022]
Abstract
Hainanmycin is a polyether antibiotic. Toxicological studies have shown the adverse effects of hainanmycin on animals and humans. At present, no study is available on the detection of hainanmycin in edible tissues of animals. Hence, a fast and accurate detection method for hainanmycin is essential. This study aimed to develop a new analytical method based on ultra-high-performance liquid chromatography-tandem mass spectrometry to detect hainanmycin in 10 matrices, including milk, eggs, fat, kidney, muscles and livers of chicken, beef and sheep. The limit of detection and the limit of quantitation of the 10 matrices were 0.1-0.4 μg/kg and 0.25-1 μg/kg, respectively, and were far below the maximum residue limits of other polyether anticoccidial drugs (1-150 μg/kg). The recoveries of hainanmycin ranged from 79% to 105%, and the relative standard deviation ranged from 2.8% to 12.0%. The research results prove that the proposed method is operational and simple in detecting hainanmycin, and has high precision and accuracy in a variety of matrices.
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Affiliation(s)
- Ke-Xin Chi
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China.,School of Food Science and Technology, Jiangnan University, Wuxi, China.,Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, China
| | - Hang Yu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China.,School of Food Science and Technology, Jiangnan University, Wuxi, China.,Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, China
| | - Ya-Hui Guo
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China.,School of Food Science and Technology, Jiangnan University, Wuxi, China.,Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, China
| | - Yu-Liang Cheng
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China.,School of Food Science and Technology, Jiangnan University, Wuxi, China.,Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, China
| | - Yun-Fei Xie
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China.,School of Food Science and Technology, Jiangnan University, Wuxi, China.,Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, China
| | - Wei-Rong Yao
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China.,School of Food Science and Technology, Jiangnan University, Wuxi, China.,Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, China
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23
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Shen H, Li C, Sun H, Chen W, Chen B, Yi Y, Mei J, Zhang Y, Ying G. Generation and Characterization of an Anti-diclazuril Monoclonal Antibody and Development of a Diagnostic Enzyme-Linked Immunosorbent Assay for Poultry. Front Nutr 2022; 9:910876. [PMID: 35651507 PMCID: PMC9149080 DOI: 10.3389/fnut.2022.910876] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Accepted: 04/22/2022] [Indexed: 12/16/2022] Open
Abstract
An anti-diclazuril monoclonal antibody (mAb) was developed for use in enzyme-linked immunosorbent assay (ELISA)-based detection of diclazuril with high sensitivity and specificity, which can be used to measure anti-coccidial drug residues. The anti-diclazuril mAb had a half-maximal inhibitory concentration of 0.449–0.517 ng/mL. The mAb cross-reactivity with toltrazuril, toltrazuril 18 sulfone, clozaril, monesin, madurmycin, and salinomycin was very minimal (< 0.1%). The detection limit of the ELISA using this mAb was 0.10 ng/mL and the sensitivity was 0.05 ng/mL. A standard curve generated in the range of 0.05–16.2 ng/mL had a linear correlation coefficient value of ≥ 0.99. The average recoveries of diclazuril from chicken and duck samples ranged from 85.0 to 102.5%.Intra- and inter-assay coefficients of variation ranged from 5.9 to 8.5% and 9.2 to 12.6%, respectively. Using the International Immunogenetics Information System®, the VH domain of the mAb was found to be encoded by an IGHV3 family gene and had the following complementarity determining region (CDR) sequences: GFTFSRY (CDR1), SRGGS (CDR2), and GDDNYAFAY (CDR3). The VL domain was encoded by an IGKV1 family gene and had the following CDR sequences: KSSQSLLNSRTRKNYLA (CDR1), WASTRES (CDR2), and KQSYNLHT (CDR3). This study provides a method to generate anti-diclazuril mAbs and determine their variable region sequences. The diagnostic ELISA developed using this mAb may drive additional studies on the monitoring and detection of food and veterinary drug residues.
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Affiliation(s)
- Hong Shen
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, China
- Department of Biological Inspection, Zhejiang Institute for Food and Drug Control, Hangzhou, China
| | - Chao Li
- Department of Biological Inspection, Zhejiang Institute for Food and Drug Control, Hangzhou, China
| | - Han Sun
- Department of Biological Inspection, Zhejiang Institute for Food and Drug Control, Hangzhou, China
| | - Wanqin Chen
- Department of Biological Inspection, Zhejiang Institute for Food and Drug Control, Hangzhou, China
| | - Bilian Chen
- Department of Biological Inspection, Zhejiang Institute for Food and Drug Control, Hangzhou, China
| | - Yu Yi
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, China
| | - Jianfeng Mei
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, China
| | - Yanlu Zhang
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, China
| | - Guoqing Ying
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, China
- *Correspondence: Guoqing Ying,
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24
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TLC–Densitometry and UHPLC Methods for Simultaneous Determination of Amprolium HCl, Ethopabate, and Sulfaquinoxaline-Na in Their New Combined Dosage Form. Chromatographia 2022. [DOI: 10.1007/s10337-022-04163-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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25
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Qaid MM, Al-Mufarrej SI, Azzam MM, Al-Garadi MA, Alqhtani AH, Al-Abdullatif AA, Hussein EO, Suliman GM. Dietary Cinnamon Bark Affects Growth Performance, Carcass Characteristics, and Breast Meat Quality in Broiler Infected with Eimeria tenella Oocysts. Animals (Basel) 2022; 12:166. [PMID: 35049789 PMCID: PMC8772541 DOI: 10.3390/ani12020166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 12/14/2021] [Accepted: 01/05/2022] [Indexed: 11/17/2022] Open
Abstract
A total of 150 broiler chicks were used to determine the impact of dietary cinnamon bark powder (CBP; Cinnamomum verum) on breast meat quality, growth performance, and carcass characteristics of birds under coccidiosis, as one of the protozoan parasitic diseases. A total of 5 replicates of birds received 1 of the following 6 groups for 34 days: control groups (1 and 2) received a basal diet without the addition of CBP or salinomycin; group 3 received a basal diet with 0.066 g salinomycin; groups 4-6 were given a basal diet supplemented with 2, 4, and 6 g CBP/kg feed, respectively. On day 21, 4 × 104/100 µL of Eimeria tenella oocysts/bird were challenged, except for the negative control (NC). At the end of the experimental trial, five birds/group were sampled for carcass characteristics and breast attributes. Overall, emeriosis negatively affects slaughter body mass, carcass yield, and the majority of carcass characteristics in birds, and cinnamon can mitigate these effects. Cinnamon groups, particularly at the 2 g level, alleviated the negative effect on performance caused by coccidia infestation to the same or greater extent as the negative control and salinomycin treatment groups. Furthermore, when compared with the other experimental groups, the addition of cinnamon improved some physicochemical properties with some affecting meat quality, such as decreasing MFI and increasing toughness in cinnamon-treated groups. In summary, it can be concluded that CBP can enhance the shelf life, carcass, and quality of birds' meat by maximizing the productive performance efficiency and breast meat productivity of birds under coccidiosis infestation. Further research is required to investigate the use of cinnamon to optimize the quality of meat and the productivity of both healthy and diseased broilers.
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Affiliation(s)
- Mohammed M Qaid
- Animal Production Department, College of Food and Agriculture Sciences, King Saud University, Riyadh 11451, Saudi Arabia
| | - Saud I Al-Mufarrej
- Animal Production Department, College of Food and Agriculture Sciences, King Saud University, Riyadh 11451, Saudi Arabia
| | - Mahmoud M Azzam
- Animal Production Department, College of Food and Agriculture Sciences, King Saud University, Riyadh 11451, Saudi Arabia
| | - Maged A Al-Garadi
- Animal Production Department, College of Food and Agriculture Sciences, King Saud University, Riyadh 11451, Saudi Arabia
| | - Abdulmohsen H Alqhtani
- Animal Production Department, College of Food and Agriculture Sciences, King Saud University, Riyadh 11451, Saudi Arabia
| | - Abdulaziz A Al-Abdullatif
- Animal Production Department, College of Food and Agriculture Sciences, King Saud University, Riyadh 11451, Saudi Arabia
| | - Elsayed O Hussein
- Animal Production Department, College of Food and Agriculture Sciences, King Saud University, Riyadh 11451, Saudi Arabia
| | - Gamaleldin M Suliman
- Animal Production Department, College of Food and Agriculture Sciences, King Saud University, Riyadh 11451, Saudi Arabia
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26
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Huang J, Zhao K, Li M, Chen Y, Liang X, Li J. Development of an immunomagnetic bead clean-up ELISA method for detection of Maduramicin using single-chain antibody in chicken muscle. FOOD AGR IMMUNOL 2021. [DOI: 10.1080/09540105.2021.1998388] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
Affiliation(s)
- Jingjie Huang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, China Agricultural University, Beijing Key Laboratory of Detection Technology for Animal–Derived Food Safety, Beijing Laboratory of Food Quality and Safety, Beijing, People’s Republic of China
| | - Kunxia Zhao
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, China Agricultural University, Beijing Key Laboratory of Detection Technology for Animal–Derived Food Safety, Beijing Laboratory of Food Quality and Safety, Beijing, People’s Republic of China
| | - Miao Li
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, China Agricultural University, Beijing Key Laboratory of Detection Technology for Animal–Derived Food Safety, Beijing Laboratory of Food Quality and Safety, Beijing, People’s Republic of China
| | - Yingxian Chen
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, China Agricultural University, Beijing Key Laboratory of Detection Technology for Animal–Derived Food Safety, Beijing Laboratory of Food Quality and Safety, Beijing, People’s Republic of China
| | - Xueyan Liang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, China Agricultural University, Beijing Key Laboratory of Detection Technology for Animal–Derived Food Safety, Beijing Laboratory of Food Quality and Safety, Beijing, People’s Republic of China
| | - Jiancheng Li
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, China Agricultural University, Beijing Key Laboratory of Detection Technology for Animal–Derived Food Safety, Beijing Laboratory of Food Quality and Safety, Beijing, People’s Republic of China
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27
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Evaluation of immunoprotective effects of recombinant proteins and DNA vaccines derived from Eimeria tenella surface antigen 6 and 15 in vivo. Parasitol Res 2021; 121:235-243. [PMID: 34816300 DOI: 10.1007/s00436-021-07364-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2021] [Accepted: 10/26/2021] [Indexed: 10/19/2022]
Abstract
Coccidiosis is an intestinal parasitic disease that causes huge economic losses to the poultry industry globally. Eimeria tenella belonging to protozoon is the causative agent of cecal coccidiosis in chicken, and it causes enormous damage to poultry industry. The surface antigens (SAGs) of apicomplexan parasites have functions of attachment and invasion in host-parasite interaction. As a result of parasitic invasion, host immune response is triggered. However, the immunogenicity and potency of E. tenella surface antigen 6 and 15 (EtSAG 6 and 15), as vaccinal candidate antigen, remain largely unknown. Therefore, gene fragments of E. tenella EtSAG 6 and 15 were amplified and transformed to pET28a prokaryotic vector for recombinant protein expression. The pEGFP-N1 eukaryotic vectors with EtSAG 6 and 15 amplification fragments (pEGFP-N1-EtSAG 5 and 16) were transformed into 293 T cell line. The results of reverse transcription-polymerase chain reaction (RT-PCR) and western blot analysis revealed successful expressions of EtSAG 6 and 15 in Escherichia coli and 293 T cells. Subsequently, animal experiments of 49 cobb broilers were performed to evaluate immunoprotection of recombinant proteins and DNA vaccines derived from E. tenella EtSAG 5 and 16 with an immunizing dose of 100 μg, respectively. Chickens vaccinated with rEtSAG 6 protein, rEtSAG 15 protein, pEGFP-N1-EtSAG 6 plasmid, or pEGFP-N1-EtSAG 15 plasmid showed no significant increase in IFN-γor interleukin-4 (IL-4) level compared with control groups. Chickens vaccinated with protein rEtSAG 6, protein rEtSAG 15, pEGFP-N1-EtSAG 6 plasmid, or pEGFP-N1-EtSAG 15 exhibited higher weight gains, lower oocyst output, and lower mean lesion scores, compared with infection control group. Among the four immunized groups, plasmid EGFP-N1-EtSAG 6 (100 μg) group exhibited the highest anticoccidial index (ACI) value (150.20). Overall, plasmids EGFP-N1-EtSAG 6 and 15, as DNA vaccines, provided a more effective immunoprotection for chickens against E. tenella than protein rEtSAG 6 and protein rEtSAG 15 as subunit vaccines. EtSAG 6 and 15 are promising candidate antigen genes for developing coccidiosis vaccine.
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28
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Attree E, Sanchez-Arsuaga G, Jones M, Xia D, Marugan-Hernandez V, Blake D, Tomley F. Controlling the causative agents of coccidiosis in domestic chickens; an eye on the past and considerations for the future. CABI AGRICULTURE AND BIOSCIENCE 2021; 2:37. [PMID: 34604790 PMCID: PMC8475900 DOI: 10.1186/s43170-021-00056-5] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Accepted: 09/06/2021] [Indexed: 05/07/2023]
Abstract
Coccidiosis is a potentially severe enteritis caused by species of obligate intracellular parasites of the genus Eimeria. These parasites cause significant economic losses to the poultry industry, predominantly due to compromised efficiency of production as well as the cost of control. These losses were recently estimated to cost chicken producers approximately £10.4 billion worldwide annually. High levels of Eimeria infection cause clinical coccidiosis which is a significant threat to poultry welfare, and a pre-disposing contributory factor for necrotic enteritis. Control of Eimeria parasites and coccidiosis is therefore an important endeavour; multiple approaches have been developed and these are often deployed together. This review summarises current trends in strategies for control of Eimeria, focusing on three main areas: good husbandry, chemoprophylaxis and vaccination. There is currently no "perfect solution" and there are advantages and limitations to all existing methods. Therefore, the aim of this review is to present current control strategies and suggest how these may develop in the future.
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Affiliation(s)
- Elizabeth Attree
- Department of Pathobiology and Population Sciences, The Royal Veterinary College, North Mymms, Hertfordshire, United Kingdom
| | - Gonzalo Sanchez-Arsuaga
- Department of Pathobiology and Population Sciences, The Royal Veterinary College, North Mymms, Hertfordshire, United Kingdom
| | - Michelle Jones
- Department of Pathobiology and Population Sciences, The Royal Veterinary College, North Mymms, Hertfordshire, United Kingdom
| | - Dong Xia
- Department of Clinical Science and Services, The Royal Veterinary College, North Mymms, Hertfordshire, United Kingdom
| | - Virginia Marugan-Hernandez
- Department of Pathobiology and Population Sciences, The Royal Veterinary College, North Mymms, Hertfordshire, United Kingdom
| | - Damer Blake
- Department of Pathobiology and Population Sciences, The Royal Veterinary College, North Mymms, Hertfordshire, United Kingdom
| | - Fiona Tomley
- Department of Pathobiology and Population Sciences, The Royal Veterinary College, North Mymms, Hertfordshire, United Kingdom
- UKRI GCRF One Health Poultry Hub, Ahmedabad, India
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29
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Zhang Q, Zou M, Wang W, Li J, Liang X. Design, Synthesis, and Characterization of Tracers and Development of a Fluorescence Polarization Immunoassay for Rapid Screening of 4,4'-Dinitrocarbanilide in Chicken Muscle. Foods 2021; 10:foods10081822. [PMID: 34441602 PMCID: PMC8392466 DOI: 10.3390/foods10081822] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 07/30/2021] [Accepted: 08/02/2021] [Indexed: 12/15/2022] Open
Abstract
The compound, 4,4′-dinitrocarbanilide (DNC), is the marker residue of concern in edible tissues of broilers fed with diets containing anticoccidial nicarbazin (NIC). In this study, 25 fluorescein-labeled DNC derivatives (tracers) are synthesized and characterized to develop a rapid fluorescence polarization immunoassay (FPIA) for the detection of DNC in chickens using DNC monoclonal antibodies (mAbs). The effect of the tracer structure on the sensitivity of the FPIA is investigated. Our results show that after optimization, the half maximal inhibitory concentrations (IC50) and limit of detection (LOD) of the FPIA in the buffer are 28.3 and 5.7 ng mL−1, respectively. No significant cross-reactivity (CR < 0.89%) with 15 DNC analogues is observed. The developed FPIA is validated for DNC detection in spiked chicken homogenates, and recoveries ranged from 74.2 to 85.8%, with coefficients of variation <8.6%. Moreover, the total time needed for the detection procedure of the FPIA, including sample pretreatment, is <40 min, which has not been achieved in any other immunoassays for DNC from literature. Our results demonstrate that the FPIA developed here is a simple, sensitive, specific, and reproducible screening method for DNC residues in chickens.
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Affiliation(s)
- Qidi Zhang
- College of Veterinary Medicine, Qingdao Agricultural University, No. 700 Changcheng Road, Qingdao 266109, China; (Q.Z.); (M.Z.); (W.W.); (J.L.)
| | - Ming Zou
- College of Veterinary Medicine, Qingdao Agricultural University, No. 700 Changcheng Road, Qingdao 266109, China; (Q.Z.); (M.Z.); (W.W.); (J.L.)
| | - Wanyu Wang
- College of Veterinary Medicine, Qingdao Agricultural University, No. 700 Changcheng Road, Qingdao 266109, China; (Q.Z.); (M.Z.); (W.W.); (J.L.)
| | - Jinyan Li
- College of Veterinary Medicine, Qingdao Agricultural University, No. 700 Changcheng Road, Qingdao 266109, China; (Q.Z.); (M.Z.); (W.W.); (J.L.)
| | - Xiao Liang
- College of Veterinary Medicine, Qingdao Agricultural University, No. 700 Changcheng Road, Qingdao 266109, China; (Q.Z.); (M.Z.); (W.W.); (J.L.)
- Basic Medical College, Qingdao University, No. 308 Ningxia Road, Qingdao 266071, China
- Correspondence: ; Tel.: +86-139-64867-357
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30
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Passetti LCG, Passetti RAC, McAllister TA. Effect of essential oil blends and a nonionic surfactant on rumen fermentation, anti-oxidative status, and growth performance of lambs. Transl Anim Sci 2021; 5:txab118. [PMID: 34466778 PMCID: PMC8403482 DOI: 10.1093/tas/txab118] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Accepted: 07/12/2021] [Indexed: 11/15/2022] Open
Abstract
This study aimed to evaluate the effect of essential oils (OEO; XEO) and an emulsifier on rumen fermentation, anti-oxidative status, and the growth performance of lambs. A finishing study was conducted using 35 females and 35 males Suffolk × Canadian Arcott crossbreed lambs, fed a 16:84 forage:concentrate pelleted barley-based with either Control; Bovatec (0.018% Bovatec); Emulsifier (0.25% of Emulsifier); OEO (0.11% of blend 1); XEO (0.0125% of blend 2); OEO + Emulsifier; or XEO + Emulsifier. The rumen fluid of all lambs was sampled via stomach tubing to measure ruminal pH, volatile fatty acid (VFA), and NH3 concentrations and enumerate protozoa. Ruminal pH, molar proportions of individual VFA (except for acetate), and ammonia concentration were similar among treatments. The acetate and total VFA concentrations were lower (P = 0.03) for lambs receiving OEO, while protozoa numbers were increased (P = 0.01). No changes were observed in blood glutathione peroxidize or total superoxide dismutase, but there was a tendency for a reduction in thiobarbituric acid reactive substances in lambs fed diets containing OEO or XEO. No differences among diets were observed in coccidia oocyst counts (OPG) in feces, however, the prevalence of coccidia in lambs was reduced (Cramer's V = 0.081) with OEO. Lambs fed OEO had the highest (P < 0.01) dry matter intake (DMI) (1.48 kg/d), whereas those fed XEO had the lowest (1.30 kg/d). Average daily gain (ADG), feed conversion (DMI/ADG), and carcass measurements (hot carcass weight, carcass dressing percentages) were not affected by EO or EM. Results from this study suggest that EO may alter rumen fermentation and protozoa counts and increase DMI. However, these responses did not appear to be enhanced by Emulsifier as its inclusion with essential oils did not enhance fermentation or growth responses.
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Affiliation(s)
- Ludmila C G Passetti
- Institute of Agricultural Sciences, Federal University of Jequitinhonha and Mucuri Valleys, Unaí, Minas Gerais, Brazil
| | - Rodrigo A C Passetti
- Department of Animal Science, State University of Maringá, Maringá, Paraná, Brazil
| | - Tim A McAllister
- Lethbridge Research and Development Centre, Agriculture and Agri-Food Canada, Lethbridge, Alberta, Canada
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31
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Qaid MM, Al-Mufarrej SI, Azzam MM, Al-Garadi MA, Alqhtani AH, H. Fazea E, Suliman GM, Alhidary IA. Effect of Rumex nervosus Leaf Powder on the Breast Meat Quality, Carcass Traits, and Performance Indices of Eimeria tenella Oocyst-Infected Broiler Chickens. Animals (Basel) 2021; 11:1551. [PMID: 34073376 PMCID: PMC8228268 DOI: 10.3390/ani11061551] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 05/21/2021] [Accepted: 05/24/2021] [Indexed: 11/16/2022] Open
Abstract
This work aimed to assess the effect of using the RNL on performance indices, carcass trait, and meat quality of broiler chicken infected with Eimeria tenella compared with commercially used anticoccidials salinomycin. Moreover, we compare these selected variables between infected medicated groups and a non-infected unmedicated group (UUT) and an infected unmedicated group (IUT). A total of 150 1-day-old Ross 308 mixed-sex broilers were divided into 6 groups. Birds in groups 1, 2, and 3 were fed basic diets supplemented with 1, 3, and 5 g of RNL/kg diet, respectively. Group 4 received a basic diet with 66 mg of salinomycin. The control groups (5 and 6) were given a basic diet with no RNL or salinomycin added. All groups except the negative controls were challenged with Eimeria tenella at 21 days old. Birds in RNL groups outperformed those in the IUT group in performance indices, and they have a similar effect to the salinomycin group. Enhancement-infected birds with RNL affected some chickens' carcass traits. Drip loss, water-holding capacity, and meat tenderness were improved by RNL inclusion (1 g) in the diet. In conclusion, the meat of infected birds receiving 1 g RNL had increased quality attributes, with preferable tenderness and springiness when compared to the IUT group. RNL could therefore also be considered a promising non-conventional feed source in the future. Further research is needed to optimize the use of RNL to improve broilers production and meat quality in both infected and non-infected conditions.
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Affiliation(s)
- Mohammed M. Qaid
- Animal Production Department, College of Food and Agriculture Sciences, King Saud University, Riyadh 11451, Saudi Arabia; (S.I.A.-M.); (M.M.A.); (M.A.A.-G.); (A.H.A.); (E.H.F.); (G.M.S.); (I.A.A.)
- Faculty of Veterinary Medicine, Thamar University, Dhamar 13020, Yemen
| | - Saud I. Al-Mufarrej
- Animal Production Department, College of Food and Agriculture Sciences, King Saud University, Riyadh 11451, Saudi Arabia; (S.I.A.-M.); (M.M.A.); (M.A.A.-G.); (A.H.A.); (E.H.F.); (G.M.S.); (I.A.A.)
| | - Mahmoud M. Azzam
- Animal Production Department, College of Food and Agriculture Sciences, King Saud University, Riyadh 11451, Saudi Arabia; (S.I.A.-M.); (M.M.A.); (M.A.A.-G.); (A.H.A.); (E.H.F.); (G.M.S.); (I.A.A.)
- Poultry Production Department, Faculty of Agriculture, Mansoura University, Mansoura 35516, Egypt
| | - Maged A. Al-Garadi
- Animal Production Department, College of Food and Agriculture Sciences, King Saud University, Riyadh 11451, Saudi Arabia; (S.I.A.-M.); (M.M.A.); (M.A.A.-G.); (A.H.A.); (E.H.F.); (G.M.S.); (I.A.A.)
- Faculty of Veterinary Medicine, Thamar University, Dhamar 13020, Yemen
| | - Abdulmohsen H. Alqhtani
- Animal Production Department, College of Food and Agriculture Sciences, King Saud University, Riyadh 11451, Saudi Arabia; (S.I.A.-M.); (M.M.A.); (M.A.A.-G.); (A.H.A.); (E.H.F.); (G.M.S.); (I.A.A.)
| | - Esam H. Fazea
- Animal Production Department, College of Food and Agriculture Sciences, King Saud University, Riyadh 11451, Saudi Arabia; (S.I.A.-M.); (M.M.A.); (M.A.A.-G.); (A.H.A.); (E.H.F.); (G.M.S.); (I.A.A.)
| | - Gamaleldin M. Suliman
- Animal Production Department, College of Food and Agriculture Sciences, King Saud University, Riyadh 11451, Saudi Arabia; (S.I.A.-M.); (M.M.A.); (M.A.A.-G.); (A.H.A.); (E.H.F.); (G.M.S.); (I.A.A.)
- Department of Meat Production, Faculty of Animal Production, University of Khartoum, Khartoum North 13314, Sudan
| | - Ibrahim A. Alhidary
- Animal Production Department, College of Food and Agriculture Sciences, King Saud University, Riyadh 11451, Saudi Arabia; (S.I.A.-M.); (M.M.A.); (M.A.A.-G.); (A.H.A.); (E.H.F.); (G.M.S.); (I.A.A.)
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Burkin MA, Galvidis IA. Simultaneous immunodetection of ionophore antibiotics, salinomycin and narasin, in poultry products and milk. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2021; 13:1550-1558. [PMID: 33861252 DOI: 10.1039/d0ay02309d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Rabbit polyclonal antibodies were generated against the ionophore antibiotic salinomycin (SAL) as a determinant of the BSA-SAL conjugate. The homologous ELISA format was found to be preferred for similar recognition of SAL and narasin (NAR) with IC50 values of 0.55 and 0.57 ng mL-1, respectively. Both analytes could be determined in the range of 0.1-2.7 ng mL-1 (IC20-IC80) with a detection limit of 0.03 ng mL-1. To analyze matrices, individual pretreatment of samples was required. For chicken muscles, simple buffer extraction was sufficient to recover 87-110% of ionophores. Extraction with acetonitrile followed by evaporation of the solvent was best for recovering 67-108% SAL and NAR from egg homogenate. A feature of the extraction of ionophores from milk was the elimination of fat-mediated interference by organic solvation. It was found that the absence of Na+ and K+ ions during reconstitution of sample extracts was a key factor contributing to the increase in the average recovery of ionophores from 32% to 93%. Thanks to this special pretreatment and improved recovery, the developed immunoassay method was suitable for the analysis of ionophore antibiotics SAL and NAR in a milk matrix, which has not been previously reported.
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Affiliation(s)
- Maksim A Burkin
- Mechnikov Research Institute for Vaccines and Sera, Moscow 105064, Russia.
| | - Inna A Galvidis
- Mechnikov Research Institute for Vaccines and Sera, Moscow 105064, Russia.
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Barghash S, Elmansi H, Abd El-Razeq S, Belal F. Novel spectrofluorimetric technique for determination of amoxicillin and ethopabate in chicken tissues, liver, kidney, eggs, and feed premix. LUMINESCENCE 2021; 36:875-884. [PMID: 33341100 DOI: 10.1002/bio.3999] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2020] [Revised: 11/05/2020] [Accepted: 12/17/2020] [Indexed: 11/06/2022]
Abstract
A new smart spectrofluorometric method was developed for the quantitation of amoxicillin and ethopabate simultaneously for the first time. The method is based on measuring their first derivative synchronous amplitudes in water at Δλ = 80 nm. The peak amplitudes were recorded at their crossing points; 240 nm for amoxicillin and 280 nm for ethopabate. The method is linear over the concentration ranges of 100.0-1,000.0 ng/ml for amoxicillin and 2.0-20.0 ng/ml for ethopabate. The limits of detection were 20.0 ng/ml and 0.58 ng/ml and limits of quantitation were 60.0 ng/ml and 1.92 ng/ml for amoxicillin and ethopabate, respectively. The method sensitivity permitted the determination of the two drugs below their maximum residue limit stated by the federal regulations. The developed method was applicable to the analysis of both drugs in the veterinary powders, feed premix, chicken tissues, liver, kidney, and eggs samples with percentage recoveries ranging 93.72-104.71%.
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Affiliation(s)
- Sona Barghash
- Analytical Chemistry Department, Faculty of Pharmacy (Girls), Al-Azhar University, Cairo, Egypt
| | - Heba Elmansi
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
| | - Sawsan Abd El-Razeq
- Analytical Chemistry Department, Faculty of Pharmacy (Girls), Al-Azhar University, Cairo, Egypt
| | - Fathalla Belal
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
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Roila R, Branciari R, Ranucci D, Miraglia D, Cristofani E, Carloni C, Pecorelli I, Fioroni L. Incidence of ionophore and non-ionophore anticoccidials residues in poultry meat and eggs and their risk characterization. Ital J Food Saf 2021; 10:9332. [PMID: 33907688 PMCID: PMC8056448 DOI: 10.4081/ijfs.2021.9332] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Accepted: 12/18/2020] [Indexed: 12/03/2022] Open
Abstract
A multi-residue method was applied to investigate the incidence and the concentration of ionophores and non-ionophore anticoccidials residues in poultry meat and hen eggs for the three-year period 2017-2019 in Italy. The risk related to the ingestion of such molecules was also characterized for the entire population. The average incidences of positive samples ranged from 1.35 to 9.45% while the maximum average concentration was of 4.28 μg/kg for nonionophore molecules. No uncompliant sample was recorded. The overall risk characterization related to the intake of anticoccidials trought chicken meat and eggs reveal a minor concern for consumers of all age. However, the monitoring of coccidiostates residues through official control activity in poultry meat and egg is crucial and it should be continuously conducted to ensure safety of such products and safeguard consumers̛ health.
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Affiliation(s)
- Rossana Roila
- Department of Veterinary Medicine, University of Perugia
| | | | - David Ranucci
- Department of Veterinary Medicine, University of Perugia
| | - Dino Miraglia
- Department of Veterinary Medicine, University of Perugia
| | - Elisa Cristofani
- Istituto Zooprofilattico Sperimentale dell’Umbria e delle Marche, Perugia, Italy
| | - Cristiano Carloni
- Istituto Zooprofilattico Sperimentale dell’Umbria e delle Marche, Perugia, Italy
| | - Ivan Pecorelli
- Istituto Zooprofilattico Sperimentale dell’Umbria e delle Marche, Perugia, Italy
| | - Laura Fioroni
- Istituto Zooprofilattico Sperimentale dell’Umbria e delle Marche, Perugia, Italy
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Zhao P, Wang C, Ding J, Zhao C, Xia Y, Hu Y, Zhang L, Zhou Y, Zhao J, Fang R. Evaluation of immunoprotective effects of recombinant protein and DNA vaccine based on Eimeria tenella surface antigen 16 and 22 in vivo. Parasitol Res 2021; 120:1861-1871. [PMID: 33689009 PMCID: PMC7943400 DOI: 10.1007/s00436-021-07105-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Accepted: 02/25/2021] [Indexed: 12/05/2022]
Abstract
Coccidiosis triggered by Eimeria tenella is accompanied by haemorrhagic caecum and high morbidity. Vaccines are preferable choices to replace chemical drugs against coccidiosis. Surface antigens of apicomplexan parasites can adhere to host cells during the infection process. Therefore, truncated fragments coding E. tenella surface antigen 16 (EtSAG16) and 22 (EtSAG22) were cloned into pET-28a prokaryotic vector to express recombinant protein 16 (rEtSAG16) and 22 (rEtSAG22), respectively. Likewise, pEGFP-N1-EtSAG16 and pEGFP-N1-EtSAG22 plasmids were constructed using pEGFP-N1 eukaryotic vector. Further, pEGFP-N1-EtSAG4-16-22 multiple gene plasmid carrying EtSAG4, 16 and 22 were designed as cocktail vaccines to study integral immunoprotective effects. Western blot and RT-PCR (reverse transcription) assay were performed to verify expressions of EtSAG16 and 22 genes. Immunoprotective effects of recombinant protein or DNA vaccine were evaluated using different doses (50 or 100 μg) in vivo. All chickens in the vaccination group showed higher cytokine concentration (IFN-γ and IL-17), raised IgY antibody level, increased weight gain, lower caecum lesion score and reduced oocyst shedding compared with infection control groups (p < 0.05). The highest anticoccidial index (ACI) value 173.11 was from the pEGFP-N1-EtSAG4-16-22 plasmid (50 μg) group. In conclusion, EtSAG16 and 22 might be alternative candidate genes for generating vaccines against E. tenella infection.
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Affiliation(s)
- Pengfei Zhao
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070 Hubei China
| | - Chaofei Wang
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070 Hubei China
| | - Jun Ding
- Animal Disease Prevention and Control Center, Jingshan, 431800 Hubei China
| | - Chengfeng Zhao
- Animal Disease Prevention and Control Center, Anlu, 432600 Hubei China
| | - Yingjun Xia
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070 Hubei China
| | - Yanli Hu
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070 Hubei China
| | - Li Zhang
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070 Hubei China
| | - Yanqin Zhou
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070 Hubei China
| | - Junlong Zhao
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070 Hubei China
| | - Rui Fang
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070 Hubei China
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Rhomboid protein 2 of Eimeria maxima provided partial protection against infection by homologous species. Vet Res 2021; 52:29. [PMID: 33602319 PMCID: PMC7893758 DOI: 10.1186/s13567-020-00886-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Accepted: 12/23/2020] [Indexed: 11/24/2022] Open
Abstract
Rhomboid-like proteases (ROMs) are considered as new candidate antigens for developing new-generation vaccines due to their important role involved in the invasion of apicomplexan protozoa. In prior works, we obtained a ROM2 sequence of Eimeria maxima (EmROM2). This study was conducted to evaluate the immunogenicity and protective efficacy of EmROM2 recombinant protein (rEmROM2) and EmROM2 DNA (pVAX1-EmROM2) against infection by Eimeria maxima (E. maxima). Firstly, Western blot assay was conducted to analyze the immunogenicity of rEmROM2. The result showed that rEmROM2 was recognized by chicken anti-E. maxima serum. Reverse transcription-polymerase chain reaction (RT-PCR) and Western blot assay revealed apparent transcription and expression of EmROM2 at the injection site. qRT-PCR (quantitative real-time PCR), flow cytometry and indirect ELISA indicated that vaccination with rEmROM2 or EmROM2 DNA significantly upregulated the transcription level of cytokines (IFN-γ, IL-2, IL-4, IL-10, IL-17, TGF-β and TNF SF15), the proportion of CD8+ and CD4+ T lymphocytes and serum IgG antibody response. Ultimately, a vaccination-challenge trial was performed to evaluate the protective efficacy of rEmROM2 and pVAX1-EmROM2 against E. maxima. The result revealed that vaccination with rEmROM2 or pVAX1-EmROM2 significantly alleviated enteric lesions, weight loss, and reduced oocyst output caused by challenge infection of E. maxima, and provided anticoccidial index (ACI) of more than 160, indicating partial protection against E. maxima. In summary, vaccination with rEmROM2 or pVAX1-EmROM2 activated notable humoral and cell-mediated immunity and provided partial protection against E. maxima. These results demonstrated that EmROM2 protein and DNA are promising vaccine candidates against E. maxima infection.
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Chen W, Ma C, Li G, Jia Z, Yang X, Pan X, Ma D. Specific EtMIC3-binding peptides inhibit Eimeria tenella sporozoites entry into host cells. Vet Res 2021; 52:24. [PMID: 33596990 PMCID: PMC7888181 DOI: 10.1186/s13567-020-00873-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Accepted: 12/02/2020] [Indexed: 12/29/2022] Open
Abstract
Avian coccidiosis caused by Eimeria leads to huge economic losses on the global poultry industry. In this study, microneme adhesive repeat regions (MARR) bc1 of E. tenella microneme protein 3 (EtMIC3-bc1) was used as ligand, and peptides binding to EtMIC3 were screened from a phage display peptide library. The positive phage clones were checked by enzyme-linked immunosorbent assay (ELISA). Competitive ELISA was applied to further verify the binding capability between the positive phages and recombinant EtMIC3-bc1 protein or sporozoites protein. The inhibitory effects of target peptides on sporozoites invasion of MDBK cells were measured in vitro. Chickens were orally administrated with target positive phages and the protective effects against homologous challenge were evaluated. The model of three-dimensional (3D) structure for EtMIC3-bc1 was conducted, and molecular docking between target peptides and EtMIC3-bc1 model was analyzed. The results demonstrated that three selected positive phages specifically bind to EtMIC3-bc1 protein. The three peptides A, D and W effectively inhibited invasion of MDBK cells by sporozoites, showing inhibited ratio of 71.8%, 54.6% and 20.8%, respectively. Chickens in the group orally inoculated with phages A displayed more protective efficacies against homologous challenge than other groups. Molecular docking showed that amino acids in three peptides, especially in peptide A, insert into the hydrophobic groove of EtMIC3-bc1 protein, and bind to EtMIC3-bc1 through intermolecular hydrogen bonds. Taken together, the results suggest EtMIC3-binding peptides inhibit sporozoites entry into host cells. This study provides new idea for exploring novel strategies against coccidiosis.
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Affiliation(s)
- Wenjing Chen
- College of Veterinary Medicine, Northeast Agricultural University, NO. 600 Changjiang Road, Xiangfang District, Harbin, Heilongjiang, 150030, China.,Heilongjiang Key Laboratory for Experimental Animals and Comparative Medicine, Harbin, Heilongjiang, 150030, China
| | - Chunli Ma
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China
| | - Guanghao Li
- College of Veterinary Medicine, Northeast Agricultural University, NO. 600 Changjiang Road, Xiangfang District, Harbin, Heilongjiang, 150030, China
| | - Zhipeng Jia
- College of Veterinary Medicine, Northeast Agricultural University, NO. 600 Changjiang Road, Xiangfang District, Harbin, Heilongjiang, 150030, China
| | - Xuelian Yang
- College of Veterinary Medicine, Northeast Agricultural University, NO. 600 Changjiang Road, Xiangfang District, Harbin, Heilongjiang, 150030, China
| | - Xinghui Pan
- College of Veterinary Medicine, Northeast Agricultural University, NO. 600 Changjiang Road, Xiangfang District, Harbin, Heilongjiang, 150030, China
| | - Dexing Ma
- College of Veterinary Medicine, Northeast Agricultural University, NO. 600 Changjiang Road, Xiangfang District, Harbin, Heilongjiang, 150030, China. .,Heilongjiang Key Laboratory for Experimental Animals and Comparative Medicine, Harbin, Heilongjiang, 150030, China.
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38
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Bai Y, Wang Y, Li Q, Dou L, Liu M, Shao S, Zhu J, Shen J, Wang Z, Wen K, Yu W. Binding affinity-guided design of a highly sensitive noncompetitive immunoassay for small molecule detection. Food Chem 2021; 351:129270. [PMID: 33640770 DOI: 10.1016/j.foodchem.2021.129270] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Revised: 01/20/2021] [Accepted: 01/30/2021] [Indexed: 10/22/2022]
Abstract
Small molecules are immunochemically classified as hapten that lacking of at least two epitopes, usually using competitive format for establishing immunoassays. However, theoretically, noncompetitive immunoassay format is more sensitive and has a wider analytical range. In the present study, a novel hapten of halofuginone was synthesized and used to produce a monoclonal antibody (mAb). By analyzing the binding kinetics, we found that the affinity of analyte-enzyme to mAb was much greater than that of analyte, which could result in a low sensitivity of competitive assay format. Based on this, we established a novel noncompetitive immunoassay by using a replacement approach. The noncompetitive format has obvious advantages in sensitivity and analytical range, which promoted approximately 3.5- and 5-fold, respectively, compared to the competitive immunoassay. Ultimately, the newly designed noncompetitive immunoassay in this work will provide insights as well as alternative method to traditional small molecule competitive assays.
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Affiliation(s)
- Yuchen Bai
- College of Veterinary Medicine, China Agricultural University, Beijing Key Laboratory of Detection Technology for Animal Derived Food Safety, Beijing Laboratory for Food Quality and Safety, 100193 Beijing, People's Republic of China
| | - Yahui Wang
- College of Veterinary Medicine, China Agricultural University, Beijing Key Laboratory of Detection Technology for Animal Derived Food Safety, Beijing Laboratory for Food Quality and Safety, 100193 Beijing, People's Republic of China; Agricultural Information Institute, Chinese Academy of Agricultural Sciences, 100081 Beijing, People's Republic of China
| | - Qiang Li
- College of Veterinary Medicine, China Agricultural University, Beijing Key Laboratory of Detection Technology for Animal Derived Food Safety, Beijing Laboratory for Food Quality and Safety, 100193 Beijing, People's Republic of China
| | - Leina Dou
- College of Veterinary Medicine, China Agricultural University, Beijing Key Laboratory of Detection Technology for Animal Derived Food Safety, Beijing Laboratory for Food Quality and Safety, 100193 Beijing, People's Republic of China
| | - Minggang Liu
- College of Veterinary Medicine, China Agricultural University, Beijing Key Laboratory of Detection Technology for Animal Derived Food Safety, Beijing Laboratory for Food Quality and Safety, 100193 Beijing, People's Republic of China
| | - Shibei Shao
- College of Veterinary Medicine, China Agricultural University, Beijing Key Laboratory of Detection Technology for Animal Derived Food Safety, Beijing Laboratory for Food Quality and Safety, 100193 Beijing, People's Republic of China
| | - Jianyu Zhu
- College of Veterinary Medicine, China Agricultural University, Beijing Key Laboratory of Detection Technology for Animal Derived Food Safety, Beijing Laboratory for Food Quality and Safety, 100193 Beijing, People's Republic of China
| | - Jianzhong Shen
- College of Veterinary Medicine, China Agricultural University, Beijing Key Laboratory of Detection Technology for Animal Derived Food Safety, Beijing Laboratory for Food Quality and Safety, 100193 Beijing, People's Republic of China
| | - Zhanhui Wang
- College of Veterinary Medicine, China Agricultural University, Beijing Key Laboratory of Detection Technology for Animal Derived Food Safety, Beijing Laboratory for Food Quality and Safety, 100193 Beijing, People's Republic of China
| | - Kai Wen
- College of Veterinary Medicine, China Agricultural University, Beijing Key Laboratory of Detection Technology for Animal Derived Food Safety, Beijing Laboratory for Food Quality and Safety, 100193 Beijing, People's Republic of China.
| | - Wenbo Yu
- College of Veterinary Medicine, China Agricultural University, Beijing Key Laboratory of Detection Technology for Animal Derived Food Safety, Beijing Laboratory for Food Quality and Safety, 100193 Beijing, People's Republic of China.
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Ivakh S, Dubenska L, Rydchuk M, Plotycya S. Voltammetric Behavior and Reliable Method for the Determination of Coccidiostat Robenidine in Animal Feed and Poultry Meat. ELECTROANAL 2021. [DOI: 10.1002/elan.202060225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- S. Ivakh
- Analytical Chemistry Department Ivan Franko National University of Lviv 79005 Kyryla i Mefodia Str. 8 Lviv Ukraine
| | - L. Dubenska
- Analytical Chemistry Department Ivan Franko National University of Lviv 79005 Kyryla i Mefodia Str. 8 Lviv Ukraine
| | - M. Rydchuk
- National Reference Laboratory of Veterinary Drug Residues Control State Scientific Research Control Institute of Veterinary Medicinal Products and Feed Additives 79019 Donetska Str. 11 Lviv Ukraine
| | - S. Plotycya
- National Reference Laboratory of Veterinary Drug Residues Control State Scientific Research Control Institute of Veterinary Medicinal Products and Feed Additives 79019 Donetska Str. 11 Lviv Ukraine
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Optimization of Adsorbent Layer Type and Developing Solvent in Coccidiostats Sample Preparation with Procedure of Solvent Front Position Extraction. Molecules 2020; 25:molecules25246011. [PMID: 33353181 PMCID: PMC7766046 DOI: 10.3390/molecules25246011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2020] [Revised: 12/14/2020] [Accepted: 12/15/2020] [Indexed: 11/17/2022] Open
Abstract
Coccidiostats are drugs used against coccidiosis, a common disease among breeding animals. Their widespread application leads to the appearance of their residues in food, which is potentially harmful for human health and life. The European Union has established limits of concentrations of these drugs in premixtures and food. Nowadays, there are many methods for monitoring coccidiostats’ presence in market products, but their frequent weakness is sample preparation. Solvent Front Position Extraction is a planar chromatography-based sample preparation method that allows for effective assay of samples with coccidiostats when coupled with LC-MS/MS. The purpose of this research was to find common conditions for the effective isolation of eight coccidiostats from biological sample components with both lower and higher retention than the substances of interest. The acquired results were used for effective isolation of monensin and salinomycin from the premixture samples and allowed for their quantitative determination. The application of a semi-automatic device for the development of chromatograms positively impacted the results, confirming the effectiveness of the method for determining coccidiostats in biological samples.
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Magdy G, Abdel Hakiem AF, Belal F, Abdel-Megied AM. Green one-pot synthesis of nitrogen and sulfur co-doped carbon quantum dots as new fluorescent nanosensors for determination of salinomycin and maduramicin in food samples. Food Chem 2020; 343:128539. [PMID: 33183875 DOI: 10.1016/j.foodchem.2020.128539] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Revised: 10/14/2020] [Accepted: 10/29/2020] [Indexed: 12/20/2022]
Abstract
A simple green hydrothermal method was proposed for synthesis of highly fluorescent nitrogen and sulfur co-doped carbon quantum dots (N,S-CQDs) using citric acid and thiosemicarbazide. The produced N,S-CQDs were subjected to extensive spectroscopic characterization and applied as fluorescent nanosensors for the sensitive spectrofluorimetric determination of salinomycin and maduramicin directly without prior derivatization for the first time. The obtained N,S-CQDs showed strong emission band at 430 nm after excitation at 360 nm. The native fluorescence of N,S-CQDs was found to be quenched by the addition of increased concentrations of each drug. Method validation revealed a wide linear relationship between the fluorescence quenching of N,S-CQDs and the concentration of each drug in the range of 10.0-300.0 μM with detection limits of 2.07 μM and 1.34 μM for salinomycin and maduramicin, respectively. The developed method has been efficiently applied for estimation of analytes in six raw matrices with high recoveries.
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Affiliation(s)
- Galal Magdy
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Kafrelsheikh University, Kafrelsheikh, P.O. Box 33511, Egypt.
| | - Ahmed F Abdel Hakiem
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Kafrelsheikh University, Kafrelsheikh, P.O. Box 33511, Egypt
| | - Fathalla Belal
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Mansoura University, Mansoura, P.O. Box 35516, Egypt.
| | - Ahmed M Abdel-Megied
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Kafrelsheikh University, Kafrelsheikh, P.O. Box 33511, Egypt; School of Pharmacy, Pacific University Oregon, Hillsboro, OR 97123, USA.
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Moretti S, Cavanna D, Lambertini F, Catellani D, Sammarco G, Barola C, Paoletti F, Saluti G, Galarini R, Suman M. Practical approach to develop a multi-group screening method for detection of mycotoxins, pesticides and veterinary drugs in food. JOURNAL OF MASS SPECTROMETRY : JMS 2020; 55:e4618. [PMID: 32757493 DOI: 10.1002/jms.4618] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2020] [Revised: 07/03/2020] [Accepted: 07/07/2020] [Indexed: 06/11/2023]
Abstract
A multi-group screening method to detect residues of veterinary drugs in meat and environmental contaminants in wheat flour has been developed using liquid chromatography coupled to quadrupole-Orbitrap high-resolution mass spectrometry (LC-HRMS). The procedure was tested for over 300 representative compounds (173 veterinary drugs, 122 pesticides and 9 mycotoxins) analysing in parallel negative and positive (spiked) samples according to European validation rules. The Screening Target Concentrations (STCs) were chosen conservatively with respect to the method purposes. Interpretation of results was based on retention time, mass accuracy of precursor and MS2 spectral library. Evaluating the percentage of false negative results, 280 out of the 304 analytes were detectable at the STCs (false compliant rate ≤ 5%). In wheat flours, incurred levels of mycotoxins, deoxynivalenol and 3-acetyldeoxynivalenol, higher than STCs, were frequently found, whereas in meat, the most detected veterinary drugs were antibiotics generally at negligible concentrations (<10 μg kg-1 ). Finally, seven test materials from proficiency test schemes were successfully tested.
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Affiliation(s)
- Simone Moretti
- Istituto Zooprofilattico Sperimentale dell'Umbria e delle Marche "Togo Rosati", Perugia, Italy
| | - Daniele Cavanna
- Advance Research Laboratory, Barilla G. R. F.lli SpA, Parma, Italy
| | | | - Dante Catellani
- Advance Research Laboratory, Barilla G. R. F.lli SpA, Parma, Italy
| | - Giuseppe Sammarco
- Advance Research Laboratory, Barilla G. R. F.lli SpA, Parma, Italy
- Food and Drug Department, University of Parma, Parma, Italy
| | - Carolina Barola
- Istituto Zooprofilattico Sperimentale dell'Umbria e delle Marche "Togo Rosati", Perugia, Italy
| | - Fabiola Paoletti
- Istituto Zooprofilattico Sperimentale dell'Umbria e delle Marche "Togo Rosati", Perugia, Italy
| | - Giorgio Saluti
- Istituto Zooprofilattico Sperimentale dell'Umbria e delle Marche "Togo Rosati", Perugia, Italy
| | - Roberta Galarini
- Istituto Zooprofilattico Sperimentale dell'Umbria e delle Marche "Togo Rosati", Perugia, Italy
| | - Michele Suman
- Advance Research Laboratory, Barilla G. R. F.lli SpA, Parma, Italy
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González-Rubio S, García-Gómez D, Ballesteros-Gómez A, Rubio S. A new sample treatment strategy based on simultaneous supramolecular solvent and dispersive solid-phase extraction for the determination of ionophore coccidiostats in all legislated foodstuffs. Food Chem 2020; 326:126987. [PMID: 32416421 DOI: 10.1016/j.foodchem.2020.126987] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Revised: 05/03/2020] [Accepted: 05/04/2020] [Indexed: 11/28/2022]
Abstract
A single-step sample treatment, for the simultaneous extraction and clean-up for the determination of ionophore coccidiostats in EU legislated foodstuffs, is here proposed. The treatment is based on the combination of: (i) a supramolecular solvent with restricted access properties (SUPRAS-RAM), spontaneously formed by the addition of hexanol, water and THF to the sample; and (ii) dispersive solid phase extraction (dSPE). The SUPRAS-RAM extract was directly compatible with LC-MS/MS and no further re-extraction, evaporation or cleanup procedures were necessary. SUPRAS-RAM efficiently extracted the ionophores (recoveries in milk, eggs, fat, liver, kidney, and chicken and beef muscle were in the range 71-112%) and removed proteins and carbohydrates, whereas dSPE removed fats and other lipophilic compounds. The method was validated following the European Commission Decision 2002/657/EC. Detection limits (0.004-0.07 µg kg-1) were far below the maximum residue limits (1-150 µg kg-1). Method analytical and operational characteristics were suitable for routine determination of ionophores.
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Affiliation(s)
- S González-Rubio
- Departamento de Química Analítica, Instituto Universitario de Investigación en Química Fina y Nanoquímica IUIQFN, Universidad de Córdoba, Campus de Rabanales, Edificio Marie Curie (anexo), E-14071 Córdoba, Spain
| | - D García-Gómez
- Departamento de Química Analítica, Instituto Universitario de Investigación en Química Fina y Nanoquímica IUIQFN, Universidad de Córdoba, Campus de Rabanales, Edificio Marie Curie (anexo), E-14071 Córdoba, Spain.
| | - A Ballesteros-Gómez
- Departamento de Química Analítica, Instituto Universitario de Investigación en Química Fina y Nanoquímica IUIQFN, Universidad de Córdoba, Campus de Rabanales, Edificio Marie Curie (anexo), E-14071 Córdoba, Spain
| | - S Rubio
- Departamento de Química Analítica, Instituto Universitario de Investigación en Química Fina y Nanoquímica IUIQFN, Universidad de Córdoba, Campus de Rabanales, Edificio Marie Curie (anexo), E-14071 Córdoba, Spain
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A rapid and convenient screening method for detection of restricted monensin, decoquinate, and lasalocid in animal feed by applying SERS and chemometrics. Food Chem Toxicol 2020; 144:111633. [PMID: 32738374 DOI: 10.1016/j.fct.2020.111633] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Revised: 07/03/2020] [Accepted: 07/17/2020] [Indexed: 01/16/2023]
Abstract
The surface-enhanced activities of size- and shape-controlled gold nanoparticles (AuNPs) with superior chemical stability were investigated to explore a possible development of a simple and non-destructive spectroscopic method to help the regulatory agency's analytical services for rapid detection and characterization of selected antimicrobials in animal feeds. Feed samples spiked at different concentration ranges of antimicrobials were evaluated using AuNPs as a surface-enhanced Raman spectroscopy (SERS) agent. The collected SERS spectra were mathematically preprocessed for further analysis. The classification models obtained 100% predictive accuracy with zero or little misclassification. The first two canonical variables (p = 0.001) could explain >95% of the variability in preprocessed spectral data. Most chemometric models for predicting MON, DEC, and LAS concentrations showed a high predictive accuracy (r2 > 0.90), lower predictive error (<20 mg/kg), and satisfactory regression quality (slope close to 1.0). The statistical results showed no statistically significant difference between the reference and SERS predicted values (p > 0.05). The findings and implications from the study indicate that SERS would be a powerful and efficient technique possessing a great potential serving as an excellent monitoring and screening tool for antimicrobial contaminated samples in the on-site analysis.
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Li W, Wang M, Chen Y, Chen C, Liu X, Sun X, Jing C, Xu L, Yan R, Li X, Song X. EtMIC3 and its receptors BAG1 and ENDOUL are essential for site-specific invasion of Eimeria tenella in chickens. Vet Res 2020; 51:90. [PMID: 32678057 PMCID: PMC7367391 DOI: 10.1186/s13567-020-00809-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2020] [Accepted: 06/08/2020] [Indexed: 12/16/2022] Open
Abstract
Avian coccidian parasites exhibit a high degree of site specificity in different Eimeria species. Although the underlying mechanism is unclear, an increasing body of evidence suggests that site specificity is due to the interaction between microneme proteins (MICs) and their receptors on the surface of target host cells. In this study, the binding ability of E. tenella MICs (EtMICs) to different intestinal tissue was observed by immunofluorescence to identify the key surface molecule on the parasite responsible for the site specificity. Subsequently, we identified the corresponding host-cell receptors by yeast two-hybrid screening and glutathione-S-transferase pull-down experiments and the distribution of these receptors was observed by immunofluorescence in chicken intestinal tissues. Finally, we evaluated the efficacy of receptor antiserum against the infection of E. tenella in chickens. The results showed that EtMIC3 could only bind to the caecum while EtMIC1, EtMIC2, and EtAMA1 did not bind to any other intestinal tissues. Anti-serum to EtMIC3 was able to block the invasion of sporozoites with a blocking rate of 66.3%. The receptors for EtMIC3 were BCL2-associated athanogene 1 (BAG1) and Endonuclease polyU-specific-like (ENDOUL), which were mainly distributed in the caecum. BAG1 and ENDOUL receptor antiserum reduced weight loss and oocyst output following E. tenella infection, showing partial inhibition of E. tenella infection. These data elucidate the mechanism of site specificity for Eimeria infection and reveal a potential therapeutic avenue.
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Affiliation(s)
- Wenyu Li
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, People's Republic of China
| | - Mingyue Wang
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, People's Republic of China
| | - Yufeng Chen
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, People's Republic of China
| | - Chen Chen
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, People's Republic of China
| | - Xiaoqian Liu
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, People's Republic of China
| | - Xiaoting Sun
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, People's Republic of China
| | - Chuanxu Jing
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, People's Republic of China
| | - Lixin Xu
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, People's Republic of China
| | - Ruofeng Yan
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, People's Republic of China
| | - Xiangrui Li
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, People's Republic of China
| | - Xiaokai Song
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, People's Republic of China.
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Liu J, Song S, Wu A, Wu X, Xiao J, Xu C. Development of a gold nanoparticle-based lateral-flow strip for the detection of dinitolmide in chicken tissue. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2020; 12:3210-3217. [PMID: 32930183 DOI: 10.1039/d0ay00885k] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Dinitolmide is a nitro amide coccidiostat used in poultry feed, and is a potential threat to the environment and human health. In this study, a monoclonal antibody (mAb) against dinitolmide was prepared and an immunochromatographic assay (ICA) was developed to detect residual dinitolmide in chicken tissue. The results show that the mAb exhibited high sensitivity, with a limit of detection as low as 9.01 ng mL-1. A cross reactivity test revealed that the mAb also had good specificity for dinitolmide. This ICA method showed a visible limit of detection of 2.5 μg kg-1, and a cut-off value of 25 μg kg-1 for testing dinitolmide in chicken sample extract by using the naked eye. Importantly, these observations using our ICA, were comparable to other methods of detection such as liquid chromatography, tandem mass spectrometry and indirect competitive enzyme-linked immunosorbent assays (IC-ELISA). These data suggest that our ICA method is a reliable, portable, and high-throughput method for the detection of dinitolmide residues in chicken tissue.
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Affiliation(s)
- Jie Liu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China.
- International Joint Research Laboratory for Biointerface and Biodetection, School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
| | - Shanshan Song
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China.
- International Joint Research Laboratory for Biointerface and Biodetection, School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
| | - Aihong Wu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China.
- International Joint Research Laboratory for Biointerface and Biodetection, School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
| | - Xiaoling Wu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China.
- International Joint Research Laboratory for Biointerface and Biodetection, School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
| | - Jing Xiao
- NHC Key Laboratory of Food Safety Risk Assessment, China National Center for Food Safety Risk Assessment, Beijing, People's Republic of China.
| | - Chuanlai Xu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China.
- International Joint Research Laboratory for Biointerface and Biodetection, School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
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47
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Kožárová I, Juščáková D, Šimková J, Milkovičová M, Kožár M. Effective screening of antibiotic and coccidiostat residues in food of animal origin by reliable broad-spectrum residue screening tests. ITALIAN JOURNAL OF ANIMAL SCIENCE 2020. [DOI: 10.1080/1828051x.2020.1761270] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Ivona Kožárová
- Katedra hygieny a technológie potravín, University of Veterinary Medicine and Pharmacy in Košice, Košice, Slovakia
| | - Daniela Juščáková
- Katedra hygieny a technológie potravín, University of Veterinary Medicine and Pharmacy in Košice, Košice, Slovakia
| | - Jana Šimková
- Katedra chémie, biochémie a biofyziky, University of Veterinary Medicine and Pharmacy in Košice, Košice, Slovakia
| | - Mária Milkovičová
- Katedra chémie, biochémie a biofyziky, University of Veterinary Medicine and Pharmacy in Košice, Košice, Slovakia
| | - Martin Kožár
- Klinika malých zvierat, University of Veterinary Medicine and Pharmacy in Košice, Košice, Slovakia
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48
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Mooney D, Coxon C, Richards K, Gill L, Mellander PE, Danaher M. A new sensitive method for the simultaneous chromatographic separation and tandem mass spectrometry detection of anticoccidials, including highly polar compounds, in environmental waters. J Chromatogr A 2020; 1618:460857. [DOI: 10.1016/j.chroma.2020.460857] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Revised: 01/02/2020] [Accepted: 01/06/2020] [Indexed: 10/25/2022]
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49
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Silva JM, Azcárate FJ, Knobel G, Sosa JS, Carrizo DB, Boschetti CE. Multiple response optimization of a QuEChERS extraction and HPLC analysis of diclazuril, nicarbazin and lasalocid in chicken liver. Food Chem 2020; 311:126014. [PMID: 31864181 DOI: 10.1016/j.foodchem.2019.126014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Revised: 12/02/2019] [Accepted: 12/02/2019] [Indexed: 10/25/2022]
Abstract
A method for the simultaneous determination of three commonly used coccidiostats in chicken liver was developed, comprising a multi-residue QuEChERS (quick, easy, cheap, effective, rugged and safe) extraction step, and a liquid chromatography-ultra violet-fluorescence (HPLC-UV/FL) analysis. The QuEChERS extraction was optimized using an experimental design approach that includes a screening step to obtain the critical variables, an optimization step using multiple response surface analysis and the calculation of a desirability parameter. The optimized method was validated with fortified samples, reaching an average recovery of 91% and an overall precision of 5.5% (mean of three analytes at three levels). Limits of detection calculated on fortified samples were 20 µg kg-1 for lasalocid, 15 µg kg-1 for nicarbazin and 120 µg kg-1 for diclazuril. These values resulted at least one order of magnitude lower than the maximum allowed residue limit (MRL) of the studied coccidiostats for chicken liver.
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Affiliation(s)
- Juan Manuel Silva
- Instituto de Procesos Biotecnológicos y Químicos (IPROBYQ - CONICET), Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, Suipacha 531, S2002LRK Rosario, Argentina
| | - Federico José Azcárate
- Instituto de Procesos Biotecnológicos y Químicos (IPROBYQ - CONICET), Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, Suipacha 531, S2002LRK Rosario, Argentina
| | - Gaston Knobel
- Instituto de Procesos Biotecnológicos y Químicos (IPROBYQ - CONICET), Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, Suipacha 531, S2002LRK Rosario, Argentina
| | - Jesica Soledad Sosa
- Instituto de Procesos Biotecnológicos y Químicos (IPROBYQ - CONICET), Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, Suipacha 531, S2002LRK Rosario, Argentina
| | - Daiana Belén Carrizo
- Instituto de Procesos Biotecnológicos y Químicos (IPROBYQ - CONICET), Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, Suipacha 531, S2002LRK Rosario, Argentina
| | - Carlos Eugenio Boschetti
- Instituto de Procesos Biotecnológicos y Químicos (IPROBYQ - CONICET), Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, Suipacha 531, S2002LRK Rosario, Argentina.
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50
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Chen W, Ma C, Wang D, Li G, Ma D. Immune response and protective efficacy of recombinant Enterococcus faecalis displaying dendritic cell-targeting peptide fused with Eimeria tenella 3-1E protein. Poult Sci 2020; 99:2967-2975. [PMID: 32475431 PMCID: PMC7597732 DOI: 10.1016/j.psj.2020.03.014] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Revised: 01/30/2020] [Accepted: 03/09/2020] [Indexed: 11/25/2022] Open
Abstract
Avian coccidiosis causes significant economic losses on the global poultry breeding industry. Exploration of new-concept vaccines against coccidiosis has gradually become a research hotspot. In this study, an Enterococcus faecalis strain (MDXEF-1) showing excellent performance isolated from chicken intestinal tract was used as a vector to deliver Eimeria target protein. The plasmid pTX8048-SP-DCpep-NAΔ3-1E-CWA harboring dendritic cell–targeting peptide (DCpep) fusion with Eimeria tenella NAΔ3-1E gene (3-1E protein–coding gene without start codon ATG and terminator codon TAA) was electrotransformed into MDXEF-1 to generate the recombinant bacteria MDXEF-1/pTX8048-SP-DCpep-NAΔ3-1E-CWA in which NAΔ3-1E protein was covalently anchored to the surface of bacteria cells by cell wall anchor (CWA) sequence. The expression of target fusion protein DCpep-NAΔ3-1E-CWA was detected by Western blot. Each chicken was immunized 3 times at 2-wk intervals with live E. faecalis expressing DCpep-NAΔ3-1E fusion protein (DCpep-NAΔ3-1E group), live E. faecalis expressing NAΔ3-1E protein (NAΔ3-1E group), and live E. faecalis containing empty vector only. The 3 immunized groups were then challenged with homologous E. tenella sporulated oocyst after immunizations, and the immune response and protective efficacy in each group were evaluated. The results showed that serum IgG levels, secretory IgA levels in cecal lavage, proportion of CD4+ and CD8α+ cells in peripheral blood, and mRNA expression levels of IL-2 and IFN-γ in the spleen were significantly higher in chickens in the DCpep-NAΔ3-1E group than in chickens of the NAΔ3-1E group (P < 0.05). Oral immunization to chickens with live E. faecalis expressing DCpep-NAΔ3-1E offered more protective efficacy against homologous challenge including significant improved body weight gain, increased oocyst decrease ratio, and reduced average lesion scores in cecum compared with chickens with live E. faecalis expressing NAΔ3-1E protein. These results suggest that recombinant E. faecalis expressing dendritic cell–targeting peptide fusion with E. tenella 3-1E protein could be a potential approach for prevention of Eimeria infection.
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Affiliation(s)
- Wenjing Chen
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, Heilongjiang, PR China; Heilongjiang Key Laboratory for Experimental Animals and Comparative Medicine, Harbin 150030, Heilongjiang, PR China
| | - Chunli Ma
- College of Food Science, Northeast Agricultural University, Harbin 150030, Heilongjiang, PR China
| | - Dian Wang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, Heilongjiang, PR China; Heilongjiang Key Laboratory for Experimental Animals and Comparative Medicine, Harbin 150030, Heilongjiang, PR China
| | - Guanghao Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, Heilongjiang, PR China; Heilongjiang Key Laboratory for Experimental Animals and Comparative Medicine, Harbin 150030, Heilongjiang, PR China
| | - Dexing Ma
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, Heilongjiang, PR China; Heilongjiang Key Laboratory for Experimental Animals and Comparative Medicine, Harbin 150030, Heilongjiang, PR China.
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