Development and evaluation of a Mycobacterium bovis interferon-γ enzyme- linked immunospot (ELISpot) assay for detection of bovine tuberculosis

被引:5
作者
Li, Xin [1 ,2 ,3 ]
Xia, Aihong [1 ]
Xu, Zhengzhong [2 ]
Liu, Jiaying [2 ]
Fu, Shasha [1 ]
Cao, Zhaoli [1 ]
Shen, Yechi [1 ,2 ,3 ]
Xie, Yuqing [1 ,2 ]
Meng, Chuang [2 ]
Chen, Xiang [1 ]
Jiao, Xinan [1 ,2 ,3 ]
机构
[1] Yangzhou Univ, Jiangsu Coinnovat Ctr Prevent & Control, Jiangsu Key Lab Zoonosis, Important Anim Infect Dis & Zoonoses, Yangzhou 225009, Peoples R China
[2] Yangzhou Univ, Minist Agr & Rural Affairs, Key Lab Prevent & Control Biol Hazard Factors Anim, Yangzhou 225009, Peoples R China
[3] Yangzhou Univ, Joint Int Res Lab Agr & Agriprod Safety, Yangzhou 225009, Peoples R China
关键词
bovine tuberculosis; interferon-; ELISpot; monoclonal antibodies; CFP-10-ESAT-6 fusion protein; FUSION PROTEIN; SKIN-TEST; DIAGNOSIS; CATTLE; INFECTION; IDENTIFICATION; BIOMARKERS; ANTIGEN; TESTS;
D O I
10.3168/jds.2021-21301
中图分类号
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号
0905 ;
摘要
Bovine tuberculosis (bTB) caused by Mycobacterium difficult to control because of the limited ability of the tuberculin skin test (TST) and ancillary IFN-eta release assay to detect all infected animals. In this study, we aimed to develop an efficient assay based on the enzyme-linked immunospot (ELISpot) technique for the diagnosis of bTB, with IFN-eta monoclonal antibodies 3E9 and Bio-labeled 6F8 used as capture and detection an M. bovis-specific antigen, CFP-10-ESAT-6 fusion protein (CE protein), was used. The M. bovis IFN-eta ELISpot assay demonstrated a high level of agreement Fisher Scientific) for detecting bTB. Furthermore, 3 of BOVIGAM ELISA tests, but positive by the ELISpot ELISA+ ELISpot+. These results suggest that the M. infected cattle earlier than the BOVIGAM ELISA test.
引用
收藏
页码:6021 / 6029
页数:9
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