2014
DOI: 10.1128/cvi.00636-13
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Virus-Like Particle Vaccine Confers Protection against a Lethal Newcastle Disease Virus Challenge in Chickens and Allows a Strategy of Differentiating Infected from Vaccinated Animals

Abstract: In this study, we developed Newcastle disease virus (NDV) virus-like particles (VLPs) expressing NDV fusion (F) protein along with influenza virus matrix 1 (M1) protein using the insect cell expression system. Specific-pathogen-free chickens were immunized with oil emulsion NDV VLP vaccines containing increasing dosages of VLPs (0.4, 2, 10, or 50 g of VLPs/0.5-ml dose). Three weeks after immunization, the immunogenicity of the NDV VLP vaccines was determined using a commercial enzymelinked immunosorbent assay … Show more

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Cited by 31 publications
(17 citation statements)
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“…However, the vaccine could take a long time to initiate the protective immune system. Therefore, different strategies to either prevent the replication of NDV or to decrease its drastic impact on infected flocks are needed (Park et al, 2014). One of those potential strategies is to use medicinal plant extracts as antiviral agents against NDV either in cell culture or chicken embryo systems (Waihenya et al, 2002).…”
Section: Discussionmentioning
confidence: 99%
“…However, the vaccine could take a long time to initiate the protective immune system. Therefore, different strategies to either prevent the replication of NDV or to decrease its drastic impact on infected flocks are needed (Park et al, 2014). One of those potential strategies is to use medicinal plant extracts as antiviral agents against NDV either in cell culture or chicken embryo systems (Waihenya et al, 2002).…”
Section: Discussionmentioning
confidence: 99%
“…HA (Genbank AY676035) and M1 (Genbank AY676047) genes of A/chicken/Korea/ES/2003 and the F gene (Genbank AV630423) of KR-005/00 were extracted from virus infected allantoic fluid and amplified by two-step reverse transcription-polymerase chain reaction (RT-PCR; RNeasy® Mini Kit, Omniscript™ RT Kit, Qiagen, Germany). For cDNA synthesis, Uni12 primer was used for HA and M1 genes and a 5′-ATGGGCTCCAAACTTTC-3′ primer for F gene, as previously described [ 25 , 26 ]. To enhance the interaction between the ectodomain of the NDV F and the AIV M1 proteins in particle assembly, we constructed a chimeric F/HA protein.…”
Section: Methodsmentioning
confidence: 99%
“…A few years ago, production of NDVLPs was achieved following the expression of M protein in combination with the NP and viral surface glycoproteins (F and HN) [ 157 ]. More so, coexpression of NDV F protein and avian influenza M1 protein effectively produced VLPs in baculovirus expression system [ 158 ]. Interestingly in the above studies, not only did the VLPs successfully incorporate the surface glycoproteins, but the proteins' structural conformation and biological functions such as fusogenicity, hemagglutination, and neuraminidase activities remained unaffected.…”
Section: Vaccination Strategiesmentioning
confidence: 99%