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|Title:||Identification and characterization of a monoclonal antibody recognizing the linear epitope RVADVI on VP1 protein of enterovirus 71||Authors:||Man-Li, T.
Enterovirus 71 (EV71)
Hand-foot-mouth disease (HFMD)
Indirect immunofluorescence assay (IFA)
Monoclonal antibody (mAb)
|Issue Date:||Oct-2012||Citation:||Man-Li, T., Szyporta, M., Fang, L.X., Kwang, J. (2012-10). Identification and characterization of a monoclonal antibody recognizing the linear epitope RVADVI on VP1 protein of enterovirus 71. Journal of Medical Virology 84 (10) : 1620-1627. ScholarBank@NUS Repository. https://doi.org/10.1002/jmv.23372||Abstract:||Several large outbreaks of hand-foot-mouth disease (HFMD) have occurred in the Asian-Pacific region since 1997, with Enterovirus 71 (EV71) and/or Coxsackievirus A16 (CAV16) as the main causative agents. Despite the close genetic relationship between the two viruses, only EV71 is associated with severe clinical manifestations and deaths. Effective antiviral treatment and vaccines are not available. High-quality monoclonal antibodies (mAbs) are necessary to improve the accuracy of the diagnosis of EV71. In this study, a mAb (designated 1D9) was generated using EV71 C5 strain virus particles as immunogens. Examined by indirect immunofluorescence assay (IFA) and Western blotting, 1D9 detected successfully all 11 subgenotypes of EV71 and showed no cross-reactivity to the four selected subgenogroups of Coxsackieviruses CAV4, CAV6, CAV10, and CAV16. A linear motif, R3VADVI8, which is located at the N-terminus of the EV71 VP1 protein, was identified as the minimal binding region of 1D9. Alignment and comparison of the 1D9-defined epitope sequence against the listed sequences in the NCBI EV71 database indicated that this epitope R3VADVI8 was highly conserved among EV71 strains, while no significant similarity was observed when blasted against the Coxsackieviruses. This suggests that the mAb 1D9 may be useful for the development of a cost-effective and accurate method for surveillance and early differentiation of EV71 from CAV16 infection. © 2012 Wiley Periodicals, Inc.||Source Title:||Journal of Medical Virology||URI:||http://scholarbank.nus.edu.sg/handle/10635/125501||ISSN:||01466615||DOI:||10.1002/jmv.23372|
|Appears in Collections:||Staff Publications|
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