Article (Scientific journals)
Development of a novel monoclonal antibody-based competitive ELISA for antibody detection against bovine leukemia virus.
Wang, Jing; Sun, Chao; Hu, Zhe et al.
2024In International Journal of Biological Macromolecules, p. 131446
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Keywords :
Bovine leukemia virus; Competitive ELISA; Monoclonal antibody; Serological detection; p24 protein; Molecular Biology; General Medicine; Biochemistry; Structural Biology
Abstract :
[en] Infection with bovine leukemia virus (BLV) leads to enzootic bovine leukosis, the most prevalent neoplastic disease in cattle. Due to the lack of commercially available vaccines, reliable eradication of the disease can be achieved through the testing and elimination of BLV antibody-positive animals. In this study, we developed a novel competitive ELISA (cELISA) to detect antibodies against BLV capsid protein p24. Recombinant p24 protein expressed by Escherichia coli, in combination with the monoclonal antibody 2G11 exhibiting exceptional performance, was used for the establishment of the cELISA. Receiver-operating characteristic curve analysis showed that the sensitivity and specificity of the assay were 98.85 % and 98.13 %, respectively. Furthermore, the established cELISA was specific for detecting BLV-specific antibodies, without cross-reactivity to antisera for six other bovine viruses. Significantly, experimental infection of cattle and sheep with BLV revealed that the cELISA accurately monitors seroconversion. In a performance evaluation, the established cELISA displayed a high agreement with Western blotting and the commercial BLV gp51 cELISA kit in the detection of 242 clinical samples, respectively. In conclusion, the novel p24 cELISA exhibited the potential to be a reliable and efficient diagnostic tool for BLV serological detection with a broad application prospect.
Disciplines :
Veterinary medicine & animal health
Author, co-author :
Wang, Jing ;  Université de Liège - ULiège > TERRA Research Centre ; State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin 150069, China
Sun, Chao;  State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin 150069, China
Hu, Zhe;  State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin 150069, China
Wang, Fangzhou  ;  Université de Liège - ULiège > TERRA Research Centre ; State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin 150069, China
Chang, Jitao;  State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin 150069, China, Institute of Western Agriculture, the Chinese Academy of Agricultural Sciences, Changji 831100, China
Gao, Ming;  State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin 150069, China
Ye, Dandan ;  Université de Liège - ULiège > TERRA Research Centre ; State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin 150069, China
Jia, Qi;  State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin 150069, China
Zou, Hui;  State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin 150069, China
Willems, Luc  ;  Université de Liège - ULiège > GIGA > GIGA Cancer - Cellular and Molecular Epigenetics
Jiang, Zhigang;  State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin 150069, China. Electronic address: jiangzhigang@caas.cn
Yin, Xin;  State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin 150069, China. Electronic address: yinxin@caas.cn
Language :
English
Title :
Development of a novel monoclonal antibody-based competitive ELISA for antibody detection against bovine leukemia virus.
Publication date :
13 April 2024
Journal title :
International Journal of Biological Macromolecules
ISSN :
0141-8130
eISSN :
1879-0003
Publisher :
Elsevier BV, Netherlands
Pages :
131446
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
CAAS - Chinese Academy of Agricultural Sciences [CN]
Funding text :
Chinese Academy of Agricultural Sciences Harbin Veterinary Research Institute
Available on ORBi :
since 17 April 2024

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