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Wang Y, Zhang X, Zhang Z, Xu R, Yang P, Yuan P, Zhang L, Cui Y, Xie Z, Li J. Reverse transcription recombinase-aided amplification assay combined with a lateral flow dipstick for detection of duck Tembusu virus. J Virol Methods 2023; 322:114810. [PMID: 37689372 DOI: 10.1016/j.jviromet.2023.114810] [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: 06/27/2023] [Revised: 09/05/2023] [Accepted: 09/07/2023] [Indexed: 09/11/2023]
Abstract
Duck Tembusu virus disease, caused by duck Tembusu virus (DTMUV), brings great harm to duck industry. Early diagnosis is of great significance for the prevention and control of this disease. In order to develop a specific and sensitive method for rapid diagnosis of DTMUV, reverse-transcriptase recombinase aided amplification combined with lateral flow dipstick (RT-RAA-LFD) method for detection of DTMUV was established. Firstly, downstream primer was labeled with biotin and probe was labeled with FAM, and primer concentration, reaction time, and reaction temperature were optimized. Then, the specificity and sensitivity of this method was investigated. The results of specificity test showed that it had no cross reaction with other common pathogens such as low pathogenic avian influenza virus (AIV), Newcastle disease virus (NDV), duck hepatitis A virus (DHV), and duck Reovirus. The results of sensitivity test showed that the minimum detection limit of this method was 10 copies/μL, which was 1000 times than conventional RT-PCR (104 copies/μL), and equivalent to that of fluorescent quantitative PCR. Furthermore, this RT-RAA-LFD method demonstrated excellent intragroup and intergroup consistency. Finally, the RT-RAA-LFD assay and real-time PCR were both utilized to examine 58 clinical samples concurrently. The results showed that the RT-RAA-LFD method (5/58) was more sensitive than the fluorescence quantitative PCR method (4/58). In summary, RT-RAA-LFD method established in this study had a strong specificity and high sensitivity, which provided technical support for clinical detection of DTMUV.
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Affiliation(s)
- Yixin Wang
- College of Veterinary Medicine, Shandong Agricultural University, Tai'an, Shandong 271018, China
| | - Xue Zhang
- College of Veterinary Medicine, Shandong Agricultural University, Tai'an, Shandong 271018, China
| | - Zhenyan Zhang
- College of Veterinary Medicine, Shandong Agricultural University, Tai'an, Shandong 271018, China
| | - Ruixue Xu
- College of Veterinary Medicine, Shandong Agricultural University, Tai'an, Shandong 271018, China
| | - Pingping Yang
- College of Veterinary Medicine, Shandong Agricultural University, Tai'an, Shandong 271018, China
| | - Peng Yuan
- College of Veterinary Medicine, Shandong Agricultural University, Tai'an, Shandong 271018, China
| | - Lianzhi Zhang
- College of Veterinary Medicine, Shandong Agricultural University, Tai'an, Shandong 271018, China
| | - Yanshun Cui
- College of Veterinary Medicine, Shandong Agricultural University, Tai'an, Shandong 271018, China
| | - Zhijing Xie
- College of Veterinary Medicine, Shandong Agricultural University, Tai'an, Shandong 271018, China
| | - Jianliang Li
- College of Veterinary Medicine, Shandong Agricultural University, Tai'an, Shandong 271018, China.
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Toll-like receptor 4 and lipopolysaccharide from commensal microbes regulate Tembusu virus infection. J Biol Chem 2022; 298:102699. [PMID: 36379254 PMCID: PMC9761373 DOI: 10.1016/j.jbc.2022.102699] [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: 12/25/2021] [Revised: 11/06/2022] [Accepted: 11/08/2022] [Indexed: 11/15/2022] Open
Abstract
Unlike most flaviviruses transmitted by arthropods, Tembusu virus (TMUV) is still active during winter and causes outbreaks in some areas, indicating vector-independent spread of the virus. Gastrointestinal transmission might be one of the possible routes of vector-free transmission, which also means that the virus has to interact with more intestinal bacteria. Here, we found evidence that TMUV indeed can transmit through the digestive tract. Interestingly, using an established TMUV disease model by oral gavage combined with an antibiotic treatment, we revealed that a decrease in intestinal bacteria significantly reduced local TMUV proliferation in the intestine, revealing that the bacterial microbiome is important in TMUV infection. We found that lipopolysaccharide (LPS) present in the outer membrane of Gram-negative bacteria enhanced TMUV proliferation by promoting its attachment. Toll-like receptor 4 (TLR4), a cell surface receptor, can transmit signal from LPS. We confirmed colocalization of TLR4 with TMUV envelope (E) protein as well as their interaction in infected cells. Coherently, TMUV infection of susceptible cells was inhibited by an anti-TLR4 antibody, purified soluble TLR4 protein, and knockdown of TLR4 expression. LPS-enhanced TMUV proliferation could also be blocked by a TLR4 inhibitor. Meanwhile, pretreatment of duck primary cells with TMUV significantly impaired LPS-induced interleukin 6 production. Collectively, our study provides first insights into vector-free transmission mechanisms of flaviviruses.
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Yu C, Wei Y, Zhang H, Liu J, Feng L, Liu C, Huang L. Rapid detection of porcine circovirus type 2 by a red latex microsphere immunochromatographic strip. Appl Microbiol Biotechnol 2022; 106:5757-5769. [PMID: 35945364 PMCID: PMC9363268 DOI: 10.1007/s00253-022-12074-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 07/01/2022] [Accepted: 07/05/2022] [Indexed: 12/02/2022]
Abstract
To establish a rapid and specific antigen detection method for porcine circovirus type 2 (PCV2), monoclonal antibodies (mAbs) were produced against the PCV2 epidemic strains and a red latex microsphere immunochromatographic strip was established. A total of eight anti-PCV2b and four anti-PCV2d mAbs were produced, and seven mAbs were confirmed to react with PCV2a, PCV2b, and PCV2d strains using an immunoperoxidase monolayer assay. The results of micro-neutralization tests showed that the mAbs 2C8, 9H4, 10G7, 7B9, and 7C7 had good neutralizing activity, whereas the neutralizing activity of the mAbs 4B3, 4C9, 6H9, and 7E2 was lower than 50%. Three mAbs, 4B3, 7C7, and 9H4, and PCV2 pAb were selected for the establishment of a red latex microsphere immunochromatographic strip, and the combination of mAb 7C7 labeled with red latex microspheres and mAb 9H4 exhibited the greatest detection ability. The immunochromatographic strip had minimum detection limits of 102.5 TCID50/0.1 ml, 100.7 TCID50/0.1 ml, and 101.5 TCID50/0.1 ml for PCV2a/CL, PCV2b/MDJ, and PCV2d/LNHC, respectively. Furthermore, no cross-reactivity was found for African swine fever virus, classical swine fever virus, porcine respiratory and reproductive syndrome virus, porcine parvovirus, porcine pseudorabies virus, porcine circovirus type 1, transmissible gastroenteritis virus, porcine epidemic diarrhea virus, porcine rotavirus, or porcine deltacoronavirus using the immunochromatographic strip. Using PCR as a reference standard, the detection sensitivity, specificity, and overall coincidence rate of the immunochromatographic strip were 81.13%, 100%, and 90.00%. Additionally, the detection ability of the immunochromatographic strip was correlated with that of virus titration. The immunochromatographic strip was used to detect 183 clinical disease samples, and the average positive detection rate was 22.95%. In summary, this method has good sensitivity and specificity and is simple, convenient, and quick to operate. It has high application value for on-site diagnosis of PCV2 and virus quantification. KEY POINTS: • A red latex microsphere immunochromatographic strip for PCV2 detection was developed. • The method was not only simple to operate, but also takes less time. • The method had good sensitivity and specificity.
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Affiliation(s)
- Chong Yu
- Division of Swine Digestive System Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, No. 678 Haping Street, Xiangfang District, Harbin, 150069, China
| | - Yanwu Wei
- Division of Swine Digestive System Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, No. 678 Haping Street, Xiangfang District, Harbin, 150069, China
| | - Hao Zhang
- Division of Swine Digestive System Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, No. 678 Haping Street, Xiangfang District, Harbin, 150069, China
| | - Jianhang Liu
- Division of Swine Digestive System Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, No. 678 Haping Street, Xiangfang District, Harbin, 150069, China
| | - Li Feng
- Division of Swine Digestive System Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, No. 678 Haping Street, Xiangfang District, Harbin, 150069, China.
| | - Changming Liu
- Division of Swine Digestive System Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, No. 678 Haping Street, Xiangfang District, Harbin, 150069, China.
| | - Liping Huang
- Division of Swine Digestive System Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, No. 678 Haping Street, Xiangfang District, Harbin, 150069, China.
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Yang X, Wei F, Tang Y, Diao Y. Development of immunochromatographic strip assay for rapid detection of novel goose astrovirus. J Virol Methods 2021; 297:114263. [PMID: 34391804 DOI: 10.1016/j.jviromet.2021.114263] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 08/05/2021] [Accepted: 08/05/2021] [Indexed: 10/20/2022]
Abstract
The novel goose astrovirus (GoAstV) is an emerging pathogenic virus that has resulted in large economic losses to the goose-rearing industry in China since 2016. The novel goose astrovirus cause gout in goslings with a mortality rate of around 50 %. Therefore, an effective diagnostic approach to monitor the spread of GoAstV is necessary. Here, a novel diagnostic immunochromatographic strip (ICS) assay was developed to detect GoAstV. A rapid immunochromatographic assay based on antibody colloidal gold nanoparticles specific to GoAstV was developed for the detection of GoAstV in goose allantoic fluid and supernatant of tissue homogenate. Monoclonal antibodies (Mabs) were prepared using the hybridoma technology, and the polyclonal antibodies (Pabs) were generated by immunizing the rabbits with recombinant ORF2 protein. In addition, the colloidal gold was prepared by reducing gold salt with sodium citrate coupled with Mabs against GoAstV. The optimal concentrations of the coating antibody and the capture antibody were examined as 1.6 mg/mL and 6 μg/mL. The optimal pH of the colloidal gold labeling was pH 8.0. With the visual observation, the lower limit of the ICS was reported to be approximately 1.2 μg/mL. Common diseases of goose were examined to assess the specificity of the ICS, and no cross-reaction was identified. 40 clinical positive samples were simultaneously detected by using the ICS and the PCR with a 92.5% coincidence rate between them. Furthermore, the mentioned samples could be stored at 25 °C and 4 °C for 4 and 6 months, respectively. It was proved that the ICS in this study was highly specific, sensitive, repeatable and more convenient to rapidly detect GoAstV in clinical samples.
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Affiliation(s)
- Xiaotong Yang
- College of Animal Science and Technology, Shandong Agricultural University, 61 Daizong Street, Tai'an, Shandong Province, 271018, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Tai'an, Shandong, 271018, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Tai'an, Shandong, 271018, China
| | - Feng Wei
- College of Animal Science and Technology, Shandong Agricultural University, 61 Daizong Street, Tai'an, Shandong Province, 271018, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Tai'an, Shandong, 271018, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Tai'an, Shandong, 271018, China
| | - Yi Tang
- College of Animal Science and Technology, Shandong Agricultural University, 61 Daizong Street, Tai'an, Shandong Province, 271018, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Tai'an, Shandong, 271018, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Tai'an, Shandong, 271018, China.
| | - Youxiang Diao
- College of Animal Science and Technology, Shandong Agricultural University, 61 Daizong Street, Tai'an, Shandong Province, 271018, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Tai'an, Shandong, 271018, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Tai'an, Shandong, 271018, China.
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5
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Lin Y, Yang J, He D, Li X, Li J, Tang Y, Diao Y. Differently Expression Analysis and Function Prediction of Long Non-coding RNAs in Duck Embryo Fibroblast Cells Infected by Duck Tembusu Virus. Front Immunol 2020; 11:1729. [PMID: 32849615 PMCID: PMC7417515 DOI: 10.3389/fimmu.2020.01729] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Accepted: 06/29/2020] [Indexed: 12/16/2022] Open
Abstract
Duck Tembusu virus (DTMUV), the causative agent of egg-drop syndrome, has caused substantial economic losses to duck industry. DTMUV infection leads to profound changes of host cells, including transcriptome and proteome. However, the lncRNA expression profile and the biological function of lncRNA have not been revealed. Therefore, DTMUV was used to inoculate duck embryo fibroblast cells (DEFs) for high-throughput RNA-sequencing (RNA-Seq). The results showed that 34 and 339 differently expressed lncRNAs were, respectively, identified at 12 and 24 h post-infection (hpi). To analyze their biological functions, target genes in cis were searched and the regulatory network was formed. Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analysis revealed that the target genes were strongly associated with immune system, signaling molecular and interaction, endocrine system, and signal transduction. The differently expressed lncRNAs were selected and verified by quantitative real-time polymerase chain reaction (RT-qPCR). Our study, for the first time, analyzed a comprehensive lncRNA expression profile in DEFs following DTMUV infection. The analysis provided a view on the important roles of lncRNAs in gene regulation and DTMUV infection.
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Affiliation(s)
- Yun Lin
- College of Animal Science and Technology, Shandong Agricultural University, Tai'an, China.,Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, Tai'an, China.,Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, Tai'an, China
| | - Jing Yang
- College of Animal Science and Technology, Shandong Agricultural University, Tai'an, China.,Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, Tai'an, China.,Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, Tai'an, China
| | - Dalin He
- College of Animal Science and Technology, Shandong Agricultural University, Tai'an, China.,Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, Tai'an, China.,Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, Tai'an, China
| | - Xudong Li
- College of Animal Science and Technology, Shandong Agricultural University, Tai'an, China.,Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, Tai'an, China.,Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, Tai'an, China
| | - Jing Li
- College of Animal Science and Technology, Shandong Agricultural University, Tai'an, China.,Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, Tai'an, China.,Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, Tai'an, China
| | - Yi Tang
- College of Animal Science and Technology, Shandong Agricultural University, Tai'an, China.,Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, Tai'an, China.,Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, Tai'an, China
| | - Youxiang Diao
- College of Animal Science and Technology, Shandong Agricultural University, Tai'an, China.,Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, Tai'an, China.,Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, Tai'an, China
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6
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Pan Y, Jia R, Li J, Wang M, Chen S, Liu M, Zhu D, Zhao X, Wu Y, Yang Q, Yin Z, Jing B, Huang J, Zhang S, Zhang L, Liu Y, Yu Y, Tian B, Pan L, Rehman MU, Cheng A. Heterologous prime-boost: an important candidate immunization strategy against Tembusu virus. Virol J 2020; 17:67. [PMID: 32398028 PMCID: PMC7218524 DOI: 10.1186/s12985-020-01334-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Accepted: 04/23/2020] [Indexed: 11/23/2022] Open
Abstract
BACKGROUND Tembusu virus (TMUV), a newly emerging pathogenic flavivirus, spreads rapidly between ducks, causing massive economic losses in the Chinese duck industry. Vaccination is the most effective method to prevent TMUV. Therefore, it is urgent to look for an effective vaccine strategy against TMUV. Heterologous prime-boost regimens priming with vaccines and boosting with recombinant adenovirus vaccines have been proven to be successful strategies for protecting against viruses in experimental animal models. METHODS In this study, heterologous and homologous prime-boost strategies using an attenuated salmonella vaccine and a recombinant adenovirus vaccine expressing prM-E or the E gene of TMUV were evaluated to protect ducks against TMUV infection for the first time, including priming and boosting with the attenuated salmonella vaccine, priming and boosting with the recombinant adenovirus vaccine, and priming with the attenuated salmonella vaccine and boosting with the recombinant adenovirus vaccine. Humoral and cellular immune responses were detected and evaluated. We then challenged the ducks with TMUV at 12 days after boosting to assay for clinical symptoms, mortality, viral loads and histopathological lesions after these different strategies. RESULTS Compared with the homologous prime-boost strategies, the heterologous prime-boost regimen produced higher levels of neutralizing antibodies and IgG antibodies against TMUV. Additionally, it could induce higher levels of IFN-γ than homologous prime-boost strategies in the later stage. Interestingly, the heterologous prime-boost strategy induced higher levels of IL-4 in the early stage, but the IL-4 levels gradually decreased and were even lower than those induced by the homologous prime-boost strategy in the later stage. Moreover, the heterologous prime-boost strategy could efficiently protect ducks, with low viral titres, no clinical symptoms and histopathological lesions in this experiment after challenge with TMUV, while slight clinical symptoms and histopathological lesions were observed with the homologous prime-boost strategies. CONCLUSIONS Our results indicated that the heterologous prime-boost strategy induced higher levels of humoral and cellular immune responses and better protection against TMUV infection in ducks than the homologous prime-boost strategies, suggesting that the heterologous prime-boost strategy is an important candidate for the design of a novel vaccine strategy against TMUV.
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Affiliation(s)
- Yuting Pan
- Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, 611130 People’s Republic of China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, 611130 People’s Republic of China
| | - Renyong Jia
- Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, 611130 People’s Republic of China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, 611130 People’s Republic of China
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130 People’s Republic of China
| | - Juping Li
- Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, 611130 People’s Republic of China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, 611130 People’s Republic of China
| | - Mingshu Wang
- Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, 611130 People’s Republic of China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, 611130 People’s Republic of China
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130 People’s Republic of China
| | - Shun Chen
- Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, 611130 People’s Republic of China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, 611130 People’s Republic of China
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130 People’s Republic of China
| | - Mafeng Liu
- Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, 611130 People’s Republic of China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, 611130 People’s Republic of China
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130 People’s Republic of China
| | - Dekang Zhu
- Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, 611130 People’s Republic of China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, 611130 People’s Republic of China
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130 People’s Republic of China
| | - Xinxin Zhao
- Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, 611130 People’s Republic of China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, 611130 People’s Republic of China
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130 People’s Republic of China
| | - Ying Wu
- Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, 611130 People’s Republic of China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, 611130 People’s Republic of China
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130 People’s Republic of China
| | - Qiao Yang
- Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, 611130 People’s Republic of China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, 611130 People’s Republic of China
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130 People’s Republic of China
| | - Zhongqiong Yin
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130 People’s Republic of China
| | - Bo Jing
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130 People’s Republic of China
| | - Juan Huang
- Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, 611130 People’s Republic of China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, 611130 People’s Republic of China
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130 People’s Republic of China
| | - Shaqiu Zhang
- Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, 611130 People’s Republic of China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, 611130 People’s Republic of China
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130 People’s Republic of China
| | - Lin Zhang
- Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, 611130 People’s Republic of China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, 611130 People’s Republic of China
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130 People’s Republic of China
| | - Yunya Liu
- Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, 611130 People’s Republic of China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, 611130 People’s Republic of China
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130 People’s Republic of China
| | - Yanlin Yu
- Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, 611130 People’s Republic of China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, 611130 People’s Republic of China
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130 People’s Republic of China
| | - Bin Tian
- Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, 611130 People’s Republic of China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, 611130 People’s Republic of China
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130 People’s Republic of China
| | - Leichang Pan
- Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, 611130 People’s Republic of China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, 611130 People’s Republic of China
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130 People’s Republic of China
| | - Mujeeb Ur Rehman
- Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, 611130 People’s Republic of China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, 611130 People’s Republic of China
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130 People’s Republic of China
| | - Anchun Cheng
- Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, 611130 People’s Republic of China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, 611130 People’s Republic of China
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130 People’s Republic of China
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7
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Hu Z, Pan Y, Cheng A, Zhang X, Wang M, Chen S, Zhu D, Liu M, Yang Q, Wu Y, Zhao X, Huang J, Zhang S, Mao S, Ou X, Yu Y, Zhang L, Liu Y, Tian B, Pan L, Rehman MU, Yin Z, Jia R. Autophagy Is a Potential Therapeutic Target Against Duck Tembusu Virus Infection in vivo. Front Cell Infect Microbiol 2020; 10:155. [PMID: 32351903 PMCID: PMC7174708 DOI: 10.3389/fcimb.2020.00155] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2020] [Accepted: 03/24/2020] [Indexed: 12/18/2022] Open
Abstract
Duck tembusu virus (DTMUV) is newly emerged in poultry and causes great losses to the breeding industry in China and neighboring countries. Effective antiviral strategies are still being studied. Autophagy is a cellular degradative pathway, and our lab's previous data show that autophagy promotes DTMUV replication in vitro. To study the role of autophagy further in vivo, we utilized ducks as the animal model to investigate the autophagy responses in DTMUV-targeted tissues. And also, we utilized autophagy regulators, including Rapamycin (Rapa) as the autophagy enhancer, 3-Methyladenine (3-MA) and Chloroquine (CQ) as the autophagy inhibitors, to adjust the host autophagic levels and then study the effects of autophagy on tissue damages and virus replication. As a result, we first found DTMUV infection trigged autophagy and autophagy regulator treatments regulated autophagy levels successfully in duck spleens and brains. Next, we found that autophagy inhibitors inhibited DTMUV replication and alleviated DTMUV-induced pathological symptoms, whereas the autophagy inducer treatment led to the opposite effects. And we also found that autophagic regulation was correlated with the expression of innate immune genes, including pattern recognition receptors, type I interferons, and cytokines, and caused different effects in different tissues. In summary, we demonstrated that autophagy facilitated DTMUV replication, aggravated the developments of pathological symptoms and possibly counteracts the host's innate immunity response in vivo.
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Affiliation(s)
- Zhiqiang Hu
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Wenjiang, China.,Avian Disease Research Center, College of Veterinary Medicine of Sichuan Agricultural University, Wenjiang, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Wenjiang, China
| | - Yuhong Pan
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Wenjiang, China.,Avian Disease Research Center, College of Veterinary Medicine of Sichuan Agricultural University, Wenjiang, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Wenjiang, China
| | - Anchun Cheng
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Wenjiang, China.,Avian Disease Research Center, College of Veterinary Medicine of Sichuan Agricultural University, Wenjiang, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Wenjiang, China
| | - Xingcui Zhang
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Wenjiang, China.,Avian Disease Research Center, College of Veterinary Medicine of Sichuan Agricultural University, Wenjiang, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Wenjiang, China
| | - Mingshu Wang
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Wenjiang, China.,Avian Disease Research Center, College of Veterinary Medicine of Sichuan Agricultural University, Wenjiang, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Wenjiang, China
| | - Shun Chen
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Wenjiang, China.,Avian Disease Research Center, College of Veterinary Medicine of Sichuan Agricultural University, Wenjiang, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Wenjiang, China
| | - Dekang Zhu
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Wenjiang, China.,Avian Disease Research Center, College of Veterinary Medicine of Sichuan Agricultural University, Wenjiang, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Wenjiang, China
| | - Mafeng Liu
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Wenjiang, China.,Avian Disease Research Center, College of Veterinary Medicine of Sichuan Agricultural University, Wenjiang, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Wenjiang, China
| | - Qiao Yang
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Wenjiang, China.,Avian Disease Research Center, College of Veterinary Medicine of Sichuan Agricultural University, Wenjiang, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Wenjiang, China
| | - Ying Wu
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Wenjiang, China.,Avian Disease Research Center, College of Veterinary Medicine of Sichuan Agricultural University, Wenjiang, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Wenjiang, China
| | - Xinxin Zhao
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Wenjiang, China.,Avian Disease Research Center, College of Veterinary Medicine of Sichuan Agricultural University, Wenjiang, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Wenjiang, China
| | - Juan Huang
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Wenjiang, China.,Avian Disease Research Center, College of Veterinary Medicine of Sichuan Agricultural University, Wenjiang, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Wenjiang, China
| | - Shaqiu Zhang
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Wenjiang, China.,Avian Disease Research Center, College of Veterinary Medicine of Sichuan Agricultural University, Wenjiang, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Wenjiang, China
| | - Sai Mao
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Wenjiang, China.,Avian Disease Research Center, College of Veterinary Medicine of Sichuan Agricultural University, Wenjiang, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Wenjiang, China
| | - Xumin Ou
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Wenjiang, China.,Avian Disease Research Center, College of Veterinary Medicine of Sichuan Agricultural University, Wenjiang, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Wenjiang, China
| | - Yanling Yu
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Wenjiang, China.,Avian Disease Research Center, College of Veterinary Medicine of Sichuan Agricultural University, Wenjiang, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Wenjiang, China
| | - Ling Zhang
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Wenjiang, China.,Avian Disease Research Center, College of Veterinary Medicine of Sichuan Agricultural University, Wenjiang, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Wenjiang, China
| | - Yunya Liu
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Wenjiang, China.,Avian Disease Research Center, College of Veterinary Medicine of Sichuan Agricultural University, Wenjiang, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Wenjiang, China
| | - Bin Tian
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Wenjiang, China.,Avian Disease Research Center, College of Veterinary Medicine of Sichuan Agricultural University, Wenjiang, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Wenjiang, China
| | - Leichang Pan
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Wenjiang, China.,Avian Disease Research Center, College of Veterinary Medicine of Sichuan Agricultural University, Wenjiang, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Wenjiang, China
| | - Mujeeb Ur Rehman
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Wenjiang, China.,Avian Disease Research Center, College of Veterinary Medicine of Sichuan Agricultural University, Wenjiang, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Wenjiang, China
| | - Zhongqiong Yin
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Wenjiang, China
| | - Renyong Jia
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Wenjiang, China.,Avian Disease Research Center, College of Veterinary Medicine of Sichuan Agricultural University, Wenjiang, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Wenjiang, China
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8
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Hu Z, Pan Y, Cheng A, Zhang X, Wang M, Chen S, Zhu D, Liu M, Yang Q, Wu Y, Zhao X, Huang J, Zhang S, Mao S, Ou X, Yu Y, Zhang L, Liu Y, Tian B, Pan L, Rehman MU, Yin Z, Jia R. Autophagy Promotes Duck Tembusu Virus Replication by Suppressing p62/SQSTM1-Mediated Innate Immune Responses In Vitro. Vaccines (Basel) 2020; 8:vaccines8010022. [PMID: 31941042 PMCID: PMC7157248 DOI: 10.3390/vaccines8010022] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Revised: 01/08/2020] [Accepted: 01/10/2020] [Indexed: 12/16/2022] Open
Abstract
Duck Tembusu virus (DTMUV) has recently appeared in ducks in China and the key cellular determiners for DTMUV replication in host cells remain unknown. Autophagy is an evolutionarily conserved cellular process that has been reported to facilitate flavivirus replication. In this study, we utilized primary duck embryo fibroblast (DEF) as the cell model and found that DTMUV infection triggered LC3-II increase and polyubiquitin-binding protein sequestosome 1 (p62) decrease, confirming that complete autophagy occurred in DEF cells. The induction of autophagy by pharmacological treatment increased DTMUV replication in DEF cells, whereas the inhibition of autophagy with pharmacological treatments or RNA interference decreased DTMUV replication. Inhibiting autophagy enhanced the activation of the nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) and interferon regulatory factor 7 (IRF7) pathways and increased the p62 protein level in DTMUV-infected cells. We further found that the overexpression of p62 decreased DTMUV replication and inhibited the activation of the NF-κB and IRF7 pathways, and changes in the NF-κB and IRF7 pathways were consistent with the level of phosphorylated TANK-binding kinase 1 (p-TBK1). Opposite results were found in p62 knockdown cells. In summary, we found that autophagy-mediated p62 degradation acted as a new strategy for DTMUV to evade host innate immunity.
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Affiliation(s)
- Zhiqiang Hu
- Research Center of Avian Disease, Sichuan Agricultural University, Chengdu 611130, China; (Z.H.); (Y.P.); (A.C.); (X.Z.); (M.W.); (S.C.); (D.Z.); (M.L.); (Q.Y.); (Y.W.); (X.Z.); (J.H.); (S.Z.); (S.M.); (X.O.); (Y.Y.); (L.Z.); (Y.L.); (B.T.); (L.P.); (M.U.R.)
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu 611130, China;
| | - Yuhong Pan
- Research Center of Avian Disease, Sichuan Agricultural University, Chengdu 611130, China; (Z.H.); (Y.P.); (A.C.); (X.Z.); (M.W.); (S.C.); (D.Z.); (M.L.); (Q.Y.); (Y.W.); (X.Z.); (J.H.); (S.Z.); (S.M.); (X.O.); (Y.Y.); (L.Z.); (Y.L.); (B.T.); (L.P.); (M.U.R.)
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu 611130, China;
| | - Anchun Cheng
- Research Center of Avian Disease, Sichuan Agricultural University, Chengdu 611130, China; (Z.H.); (Y.P.); (A.C.); (X.Z.); (M.W.); (S.C.); (D.Z.); (M.L.); (Q.Y.); (Y.W.); (X.Z.); (J.H.); (S.Z.); (S.M.); (X.O.); (Y.Y.); (L.Z.); (Y.L.); (B.T.); (L.P.); (M.U.R.)
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu 611130, China;
| | - Xingcui Zhang
- Research Center of Avian Disease, Sichuan Agricultural University, Chengdu 611130, China; (Z.H.); (Y.P.); (A.C.); (X.Z.); (M.W.); (S.C.); (D.Z.); (M.L.); (Q.Y.); (Y.W.); (X.Z.); (J.H.); (S.Z.); (S.M.); (X.O.); (Y.Y.); (L.Z.); (Y.L.); (B.T.); (L.P.); (M.U.R.)
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu 611130, China;
| | - Mingshu Wang
- Research Center of Avian Disease, Sichuan Agricultural University, Chengdu 611130, China; (Z.H.); (Y.P.); (A.C.); (X.Z.); (M.W.); (S.C.); (D.Z.); (M.L.); (Q.Y.); (Y.W.); (X.Z.); (J.H.); (S.Z.); (S.M.); (X.O.); (Y.Y.); (L.Z.); (Y.L.); (B.T.); (L.P.); (M.U.R.)
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu 611130, China;
| | - Shun Chen
- Research Center of Avian Disease, Sichuan Agricultural University, Chengdu 611130, China; (Z.H.); (Y.P.); (A.C.); (X.Z.); (M.W.); (S.C.); (D.Z.); (M.L.); (Q.Y.); (Y.W.); (X.Z.); (J.H.); (S.Z.); (S.M.); (X.O.); (Y.Y.); (L.Z.); (Y.L.); (B.T.); (L.P.); (M.U.R.)
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu 611130, China;
| | - Dekang Zhu
- Research Center of Avian Disease, Sichuan Agricultural University, Chengdu 611130, China; (Z.H.); (Y.P.); (A.C.); (X.Z.); (M.W.); (S.C.); (D.Z.); (M.L.); (Q.Y.); (Y.W.); (X.Z.); (J.H.); (S.Z.); (S.M.); (X.O.); (Y.Y.); (L.Z.); (Y.L.); (B.T.); (L.P.); (M.U.R.)
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu 611130, China;
| | - Mafeng Liu
- Research Center of Avian Disease, Sichuan Agricultural University, Chengdu 611130, China; (Z.H.); (Y.P.); (A.C.); (X.Z.); (M.W.); (S.C.); (D.Z.); (M.L.); (Q.Y.); (Y.W.); (X.Z.); (J.H.); (S.Z.); (S.M.); (X.O.); (Y.Y.); (L.Z.); (Y.L.); (B.T.); (L.P.); (M.U.R.)
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu 611130, China;
| | - Qiao Yang
- Research Center of Avian Disease, Sichuan Agricultural University, Chengdu 611130, China; (Z.H.); (Y.P.); (A.C.); (X.Z.); (M.W.); (S.C.); (D.Z.); (M.L.); (Q.Y.); (Y.W.); (X.Z.); (J.H.); (S.Z.); (S.M.); (X.O.); (Y.Y.); (L.Z.); (Y.L.); (B.T.); (L.P.); (M.U.R.)
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu 611130, China;
| | - Ying Wu
- Research Center of Avian Disease, Sichuan Agricultural University, Chengdu 611130, China; (Z.H.); (Y.P.); (A.C.); (X.Z.); (M.W.); (S.C.); (D.Z.); (M.L.); (Q.Y.); (Y.W.); (X.Z.); (J.H.); (S.Z.); (S.M.); (X.O.); (Y.Y.); (L.Z.); (Y.L.); (B.T.); (L.P.); (M.U.R.)
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu 611130, China;
| | - Xinxin Zhao
- Research Center of Avian Disease, Sichuan Agricultural University, Chengdu 611130, China; (Z.H.); (Y.P.); (A.C.); (X.Z.); (M.W.); (S.C.); (D.Z.); (M.L.); (Q.Y.); (Y.W.); (X.Z.); (J.H.); (S.Z.); (S.M.); (X.O.); (Y.Y.); (L.Z.); (Y.L.); (B.T.); (L.P.); (M.U.R.)
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu 611130, China;
| | - Juan Huang
- Research Center of Avian Disease, Sichuan Agricultural University, Chengdu 611130, China; (Z.H.); (Y.P.); (A.C.); (X.Z.); (M.W.); (S.C.); (D.Z.); (M.L.); (Q.Y.); (Y.W.); (X.Z.); (J.H.); (S.Z.); (S.M.); (X.O.); (Y.Y.); (L.Z.); (Y.L.); (B.T.); (L.P.); (M.U.R.)
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu 611130, China;
| | - Shaqiu Zhang
- Research Center of Avian Disease, Sichuan Agricultural University, Chengdu 611130, China; (Z.H.); (Y.P.); (A.C.); (X.Z.); (M.W.); (S.C.); (D.Z.); (M.L.); (Q.Y.); (Y.W.); (X.Z.); (J.H.); (S.Z.); (S.M.); (X.O.); (Y.Y.); (L.Z.); (Y.L.); (B.T.); (L.P.); (M.U.R.)
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu 611130, China;
| | - Sai Mao
- Research Center of Avian Disease, Sichuan Agricultural University, Chengdu 611130, China; (Z.H.); (Y.P.); (A.C.); (X.Z.); (M.W.); (S.C.); (D.Z.); (M.L.); (Q.Y.); (Y.W.); (X.Z.); (J.H.); (S.Z.); (S.M.); (X.O.); (Y.Y.); (L.Z.); (Y.L.); (B.T.); (L.P.); (M.U.R.)
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu 611130, China;
| | - Xumin Ou
- Research Center of Avian Disease, Sichuan Agricultural University, Chengdu 611130, China; (Z.H.); (Y.P.); (A.C.); (X.Z.); (M.W.); (S.C.); (D.Z.); (M.L.); (Q.Y.); (Y.W.); (X.Z.); (J.H.); (S.Z.); (S.M.); (X.O.); (Y.Y.); (L.Z.); (Y.L.); (B.T.); (L.P.); (M.U.R.)
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu 611130, China;
| | - Yanling Yu
- Research Center of Avian Disease, Sichuan Agricultural University, Chengdu 611130, China; (Z.H.); (Y.P.); (A.C.); (X.Z.); (M.W.); (S.C.); (D.Z.); (M.L.); (Q.Y.); (Y.W.); (X.Z.); (J.H.); (S.Z.); (S.M.); (X.O.); (Y.Y.); (L.Z.); (Y.L.); (B.T.); (L.P.); (M.U.R.)
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu 611130, China;
| | - Ling Zhang
- Research Center of Avian Disease, Sichuan Agricultural University, Chengdu 611130, China; (Z.H.); (Y.P.); (A.C.); (X.Z.); (M.W.); (S.C.); (D.Z.); (M.L.); (Q.Y.); (Y.W.); (X.Z.); (J.H.); (S.Z.); (S.M.); (X.O.); (Y.Y.); (L.Z.); (Y.L.); (B.T.); (L.P.); (M.U.R.)
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu 611130, China;
| | - Yunya Liu
- Research Center of Avian Disease, Sichuan Agricultural University, Chengdu 611130, China; (Z.H.); (Y.P.); (A.C.); (X.Z.); (M.W.); (S.C.); (D.Z.); (M.L.); (Q.Y.); (Y.W.); (X.Z.); (J.H.); (S.Z.); (S.M.); (X.O.); (Y.Y.); (L.Z.); (Y.L.); (B.T.); (L.P.); (M.U.R.)
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu 611130, China;
| | - Bin Tian
- Research Center of Avian Disease, Sichuan Agricultural University, Chengdu 611130, China; (Z.H.); (Y.P.); (A.C.); (X.Z.); (M.W.); (S.C.); (D.Z.); (M.L.); (Q.Y.); (Y.W.); (X.Z.); (J.H.); (S.Z.); (S.M.); (X.O.); (Y.Y.); (L.Z.); (Y.L.); (B.T.); (L.P.); (M.U.R.)
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu 611130, China;
| | - Leichang Pan
- Research Center of Avian Disease, Sichuan Agricultural University, Chengdu 611130, China; (Z.H.); (Y.P.); (A.C.); (X.Z.); (M.W.); (S.C.); (D.Z.); (M.L.); (Q.Y.); (Y.W.); (X.Z.); (J.H.); (S.Z.); (S.M.); (X.O.); (Y.Y.); (L.Z.); (Y.L.); (B.T.); (L.P.); (M.U.R.)
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu 611130, China;
| | - Mujeeb Ur Rehman
- Research Center of Avian Disease, Sichuan Agricultural University, Chengdu 611130, China; (Z.H.); (Y.P.); (A.C.); (X.Z.); (M.W.); (S.C.); (D.Z.); (M.L.); (Q.Y.); (Y.W.); (X.Z.); (J.H.); (S.Z.); (S.M.); (X.O.); (Y.Y.); (L.Z.); (Y.L.); (B.T.); (L.P.); (M.U.R.)
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu 611130, China;
| | - Zhongqiong Yin
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu 611130, China;
| | - Renyong Jia
- Research Center of Avian Disease, Sichuan Agricultural University, Chengdu 611130, China; (Z.H.); (Y.P.); (A.C.); (X.Z.); (M.W.); (S.C.); (D.Z.); (M.L.); (Q.Y.); (Y.W.); (X.Z.); (J.H.); (S.Z.); (S.M.); (X.O.); (Y.Y.); (L.Z.); (Y.L.); (B.T.); (L.P.); (M.U.R.)
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu 611130, China;
- Correspondence:
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9
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Du T, Zhu G, Wu X, Fang J, Zhou EM. Biotinylated Single-Domain Antibody-Based Blocking ELISA for Detection of Antibodies Against Swine Influenza Virus. Int J Nanomedicine 2019; 14:9337-9349. [PMID: 31819435 PMCID: PMC6890519 DOI: 10.2147/ijn.s218458] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2019] [Accepted: 11/14/2019] [Indexed: 12/15/2022] Open
Abstract
Background Enzyme-linked immunosorbent assay (ELISA) is a common method for diagnosing swine influenza. However, the production of classical antibodies is both costly and time-consuming. As a promising alternative diagnostic tool, single-domain antibodies (sdAbs) offer the advantages of simpler and faster generation, good stability and solubility, and high affinity and specificity. Methods Phage display technology was used to isolate sdAbs against the SIV-NP protein from a camel VHH library. The sdAb5 was fused to the biotin acceptor peptide (BAP) and a His-Tag for its expression as monomeric and site-specific biotinylation in E.coli to develop an sdAb-based blocking ELISA (sdAb-ELISA). In the sdAb-ELISA, the anti-SIV antibodies from swine samples were used to block the binding between the biotinylated sdAb5 and SIV-NP protein coated on the ELISA plate. The specificity, sensitivity, and reproducibility of sdAb-ELISA were determined. In addition, consistency among sdAb-ELISA, commercial ELISA kit, and Western blot was evaluated. Results Six SIV-NP-specific sdAbs were isolated, among which sdAb5 was identified as a dominant sdAb with higher reactivity. The cut-off value of biotinylated sdAb5-based bELISA was determined to be 29.8%. Compared with the positive reference serum against five different types of swine viruses, the developed sdAb-ELISA showed 100% specificity. The detection limit of sdAb-ELISA was 1:160 in an anti-SIV positive reference serum, which is lower than that of the commercial ELISA kit (1:20). In 78 diluted anti-SIV positive serum (1:80), 21 and 42 samples were confirmed as positive by the commercial ELISA kit and sdAb-ELISA, respectively. The coefficients of variation of intra- and inter-assay were 1.79–4.57% and 5.54–9.98%, respectively. The sdAb-ELISA and commercial ELISA kit showed a consistency of 94.17% in clinical swine serum samples. Furthermore, the coincidence rate was 96.67% between the results detected by sdAb-ELISA and Western blot. Conclusion A specific, sensitive, and reproducible sdAb-ELISA was successfully developed, which offers a new, promising method to detect anti-SIV antibodies in swine serum.
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Affiliation(s)
- Taofeng Du
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Northwest A&F University, Yangling 712100, Shaanxi, People's Republic of China.,Scientific Observing and Experimental Station of Veterinary Pharmacology and Diagnostic Technology, Ministry of Agriculture, Yangling 712100, Shaanxi, People's Republic of China
| | - Guang Zhu
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Northwest A&F University, Yangling 712100, Shaanxi, People's Republic of China.,Scientific Observing and Experimental Station of Veterinary Pharmacology and Diagnostic Technology, Ministry of Agriculture, Yangling 712100, Shaanxi, People's Republic of China
| | - Xiaoping Wu
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Northwest A&F University, Yangling 712100, Shaanxi, People's Republic of China.,Scientific Observing and Experimental Station of Veterinary Pharmacology and Diagnostic Technology, Ministry of Agriculture, Yangling 712100, Shaanxi, People's Republic of China
| | - Junyang Fang
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Northwest A&F University, Yangling 712100, Shaanxi, People's Republic of China.,Scientific Observing and Experimental Station of Veterinary Pharmacology and Diagnostic Technology, Ministry of Agriculture, Yangling 712100, Shaanxi, People's Republic of China
| | - En-Min Zhou
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Northwest A&F University, Yangling 712100, Shaanxi, People's Republic of China.,Scientific Observing and Experimental Station of Veterinary Pharmacology and Diagnostic Technology, Ministry of Agriculture, Yangling 712100, Shaanxi, People's Republic of China
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10
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Yu G, Yu X, Yang G, Tang Y, Diao Y. A Novel Diagnostic Method to Detect Duck Tembusu Virus: A Colloidal Gold-Based Immunochromatographic Assay. Front Microbiol 2018; 9:1001. [PMID: 29867893 PMCID: PMC5963251 DOI: 10.3389/fmicb.2018.01001] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2017] [Accepted: 04/27/2018] [Indexed: 12/14/2022] Open
Abstract
Duck Tembusu virus (DTMUV) is an emerging pathogenic flavivirus that has resulted in large economic losses to the duck-rearing industry in China since 2010. Therefore, an effective diagnostic approach to monitor the spread of DTMUV is necessary. Here, a novel diagnostic immunochromatographic strip (ICS) assay was developed to detect DTMUV. The assay was carried out using colloidal gold coated with purified monoclonal antibody A12D3 against envelope E protein. Purified polyclonal C12D1 antibodies from BALB/c mice against the envelope E protein were used as the capture antibody. Goat anti-mouse IgG was used to detect DTMUV, which was also assembled on the ICS. Results showed that the ICS could specifically detect DTMUV within 10 min. It also could be stored 25 and 4°C for 4 and 6 months, respectively. The sensitivity of the ICS indicated that the dilution multiples of positive allantoic fluid of DTMUV (LD50: 104.33/0.2 ml) was up to 200. Its specificity and sensibility showed no significant change under the above storage situations. Fifty clinical samples were simultaneously detected by ICS and reverse-transcription polymerase chain reaction with a 93.9% coincidence rate between them. It proved that the ICS in the present study was highly specific, sensitive, repeatable, and more convenient to rapidly detect DTMUV in clinical samples.
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Affiliation(s)
- Guanliu Yu
- College of Animal Science and Technology, Shandong Agricultural University, Tai'an, China.,Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, Tai'an, China.,Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, Tai'an, China
| | - Xianglong Yu
- College of Animal Science and Technology, Shandong Agricultural University, Tai'an, China.,Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, Tai'an, China.,Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, Tai'an, China
| | - Guoping Yang
- College of Animal Science and Technology, Shandong Agricultural University, Tai'an, China.,Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, Tai'an, China.,Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, Tai'an, China
| | - Yi Tang
- College of Animal Science and Technology, Shandong Agricultural University, Tai'an, China.,Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, Tai'an, China.,Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, Tai'an, China
| | - Youxiang Diao
- College of Animal Science and Technology, Shandong Agricultural University, Tai'an, China.,Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, Tai'an, China.,Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, Tai'an, China
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