Preparation of monoclonal antibodies against KHV and establishment of an antigen sandwich ELISA for KHV detection
文献类型： 外文期刊
作者： Li, Yingying 1 ; Wang, Qing 1 ; Bergmann, Sven M. 2 ; Zeng, Weiwei 1 ; Wang, Yingying 1 ; Ren, Yan 1 ; Shi, Cunbin 1 ; Gu 1 ;
作者机构： 1.Chinese Acad Fishery Sci, Pearl River Fisheries Res Inst, Key Lab Fishery Drug Dev,Minist Agr, Key Lab Aquat Anim Immune Technol Guangdong Prov, Guangzhou 510380, Guangdong, Peoples R China
2.Fed Res Inst Anim Hlth, FLI, Inst Infectol, German Reference Lab KHVD, D-17493 Greifswald, Germany
3.Chinese Acad Fishery Sci, Pearl River Fisheries Res Inst, Key Lab Recreat Fisheries, Minist Agr, Guangzhou 510380, Guangdong, Peoples R China
关键词： Monoclonal antibody (MAb); Koi herpesvirus (KHV); Antigen sandwich ELISA
期刊名称：MICROBIAL PATHOGENESIS （ 影响因子：3.738； 五年影响因子：3.663 ）
ISSN： 0882-4010
年卷期： 2019 年 128 卷
页码：
收录情况： SCI
摘要： Infections with koi herpesvirus (KHV) in carp are still a severe problem worldwide. Detection and elimination of infected fish are necessary for control of the Koi herpesvirus disease (KHVD). Serum is an excellent specimen for KHV testing because of high survivability of KHV in serum and ease of collection, storage, and handling. The direct detection of fish viruses based on the sandwich ELISA has emerged as a practical and reliable means of diagnosis. Thus, it is important to create monoclonal antibodies (MAbs) against purified KHV. By using hybridoma-monoclonal antibody technology, two hybridoma cell lines secreting MAbs against the KHV were established. By Western blot and IFAT analysis, the secreted MAbs from cell line IB7IB4 and cell line 7C72F7 recognized proteins of KHV. The result demonstrated that the MAbs were highly specific and sensitive to the KHV, and can be used for monitoring the virus quantification of carp, for example, the direct KHV diagnosis by sandwich enzyme-linked immunosorbent assay(ELISA). An antigen sandwich ELISA applying the biotin-avidin system was established using the biotinylated MAb IB7IB4 and 7C72F7 to detect virus in koi sera. These MAbs did not react with any of the tested other viruses by ELISA except KHV. The detection limit of the test was 3.923ng/ml KHV. Thus, this antigen sandwich ELISA is suitable for recognition of KHV.
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