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Virologica Sinica, 24 (6) : 566-572, 2009
Research Article
Preparation and Characterization of Monoclonal Antibodies against VP1 Protein of Foot-and-mouth Disease Virus O/China99*
National FMD Reference Laboratory, Key Laboratory of Animal Virology of Ministry of Agriculture, State Key Laboratory of veterinary Etiological Biology, Lanzhou Veterinary Research Institute, Chinese Academy of Agricutral Science, Lanzhou 730046, China
2.Guangdong Open Laboratory of Veterinary Public Healty, Institute of Veterinary Medicine, Guangdong Academy of Agricultural Science, Guangzhou 510640, China
 Correspondence: changhuiyun@126.com
Monoclonal antibodies (McAbs) 1A9 and 9F12 against Foot-and-mouth disease virus (FMDV) serotype O were produced by fusing SP2/0 myeloma cells with splenocyte from the mouse immunized with O/China99. Both McAbs reacted with O/China99 but not with Asia 1, as determined by immunohistochemistry assay. The microneutralization titer of the McAbs 1A9 and 9F12 were 640 and 1 280, respectively. Both McAbs contain kappa light chains, but the McAbs 1A9 and 9F12 were IgG1 and IgM, respectively. In order to define the McAbs binding epitopes, the reactivity of these McAbs against VP1, P20 and P14 were examined using indirect ELISA, the result showed that both McAbs reacted with VP1 and P20. McAbs may be used for further studies of vaccine, diagnostic methods, prophylaxis, etiological and immunological researches on FMDV.
Received: 15 Sep 2009  Accepted: 8 Apr 2009  Published online: 5 Dec 2009
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