Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.micinf.2007.06.002
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dc.titlePassive protection against lethal enterovirus 71 infection in newborn mice by neutralizing antibodies elicited by a synthetic peptide
dc.contributor.authorFoo, D.G.W.
dc.contributor.authorAlonso, S.
dc.contributor.authorChow, V.T.K.
dc.contributor.authorPoh, C.L.
dc.date.accessioned2011-07-26T06:52:42Z
dc.date.available2011-07-26T06:52:42Z
dc.date.issued2007
dc.identifier.citationFoo, D.G.W., Alonso, S., Chow, V.T.K., Poh, C.L. (2007). Passive protection against lethal enterovirus 71 infection in newborn mice by neutralizing antibodies elicited by a synthetic peptide. Microbes and Infection 9 (11) : 1299-1306. ScholarBank@NUS Repository. https://doi.org/10.1016/j.micinf.2007.06.002
dc.identifier.issn12864579
dc.identifier.issn1769714X
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/24661
dc.description.abstractEnterovirus 71 (EV71) infections could lead to high mortalities and neither vaccine nor therapeutic treatment is available. We investigated vaccination with a synthetic peptide SP70 representing a neutralizing linear VP1 epitope of EV71 strain 41 (subgenogroup B4) and passive transfer of anti-SP70 antibodies to protect suckling Balb/c mice against EV71 infectivity. When the mouse anti-SP70 antisera with a neutralizing antibody titer of 1:32 were passively administered to one-day-old suckling mice which had been challenged with a lethal dose of 1000 TCID50 per mouse, the neutralizing anti-SP70 antibodies were able to confer 80% in vivo protection. In contrast, suckling mice which did not receive any anti-SP70 antisera did not survive the viral challenge at day 21 postinfection. Histological examination and real-time RT-PCR assays revealed viral infiltration in small intestines of EV71-infected mice. Interestingly, anti-SP70 antibodies play a major role in the inhibition of EV71 replication in vivo and significantly reduced the viral titer. In conclusion, EV71-neutralizing antibodies elicited by the synthetic peptide SP70 were able to confer good in vivo passive protection against homologous and heterologous EV71 strains in suckling Balb/c mice. © 2007 Elsevier Masson SAS. All rights reserved.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/j.micinf.2007.06.002
dc.sourceScopus
dc.subjectEnterovirus 71
dc.subjectPassive protection
dc.subjectSynthetic peptide
dc.subjectVP1 capsid protein
dc.typeArticle
dc.contributor.departmentMICROBIOLOGY
dc.description.doi10.1016/j.micinf.2007.06.002
dc.description.sourcetitleMicrobes and Infection
dc.description.volume9
dc.description.issue11
dc.description.page1299-1306
dc.identifier.isiut000250948900008
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