Publications

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evaluation of immune responses of stabilised sat2 antigens of foot-and-mouth disease in cattle.foot-and-mouth disease (fmd) vaccines with improved stability and less reliant on a cold-chain are needed to improve the longevity of immune responses elicited in animals. this is especially so for serotypes o and sat2 which are unstable in mildly acidic ph conditions or at elevated temperatures leading to dissociation of the capsid (146s particle) and loss of immunogenicity. previously, stabilised sat2 viruses were generated by reverse genetic approaches and assessed in vitro and in vivo with a ...201728431813
recombinant foot-and-mouth disease virus (fmdv) non-structural protein 3a fused to enhanced green fluorescent protein (egfp) as a candidate probe to identify fmdv-infected cattle in serosurveys.recombinant protein 3a-egfp, a fusion construct between foot-and-mouth disease virus (fmdv) non-structural protein 3a and the enhanced green fluorescent protein (egfp) was expressed in bl21-de3 cells. the identity of the partially purified protein 3a-egfp was confirmed by its reactivity with sera from cattle infected with fmdv and with a monoclonal antibody specific for fmdv-3abc (mab3h7) in western blot assays. no reactivity was observed with sera from uninfected vaccinated animals. the perform ...201728421368
detection of genome, antigen, and antibodies in oral fluids from pigs infected with foot-and-mouth disease virus.virus nucleic acids and antibody response to pathogens can be measured using swine oral fluids (ofs). detection of foot-and-mouth disease virus (fmdv) genome in swine ofs has previously been demonstrated. virus isolation and viral antigen detection are additional confirmatory assays for diagnosing fmdv, but these methods have not been evaluated using swine of. the objectives of this study were to further validate the molecular detection of fmdv in oral fluids, evaluate antigen detection and fmdv ...201728408775
foot-and-mouth disease virus infection inhibits lgp2 protein expression to exaggerate inflammatory response and promote viral replication.the role of the innate immune protein lgp2 (laboratory of genetics and physiology 2) in fmdv-infected cells remains unknown. here, we demonstrate the antiviral role of lgp2 during fmdv infection. fmdv infection triggered lgp2 mrna expression but reduced protein expression. overexpression of lgp2 suppressed fmdv replication, and the inflammatory response was significantly inhibited by lgp2 in virus-infected cells. the n-terminal dexdc and the c-terminal regulatory domain regions of lgp2 were esse ...201728406479
phylodynamics of foot-and-mouth disease virus o/panasia in vietnam 2010-2014.foot-and-mouth disease virus (fmdv) is endemic in vietnam, a country that plays an important role in livestock trade within southeast asia. the large populations of fmdv-susceptible species in vietnam are important components of food production and of the national livelihood. in this study, we investigated the phylogeny of fmdv o/panasia in vietnam, reconstructing the virus' ancestral host species (pig, cattle or buffalo), clinical stage (subclinical carrier or clinically affected) and geographi ...201728403902
development of duplex pcr for differential detection of goatpox and sheeppox viruses.clinically, sheeppox and goatpox have the same symptoms and cannot be distinguished serologically. a cheaper and easy method for differential diagnosis is important in control of this disease in endemic region.201728859636
emergence of an exotic strain of serotype o foot-and-mouth disease virus o/me-sa/ind-2001d in south-east asia in 2015.the o/middle east-south asia (me-sa)/ind-2001 lineage of foot-and-mouth disease virus (fmdv) is endemic in the indian subcontinent and has been reported in the middle east and north africa, but it had not been detected in south-east asia (sea) before 2015. this study reports the recent incursions of this viral lineage into sea, which caused outbreaks in vientiane capital of lao people's democratic republic (pdr) in april 2015, in dak nong, dak lak and ninh thuan provinces of vietnam from may to ...201728856846
rnai combining sleeping beauty transposon system inhibits ex vivo expression of foot-and-mouth disease virus vp1 in transgenic sheep cells.foot and mouth disease, which is induced by the foot and mouth disease virus (fmdv), takes its toll on the cloven-hoofed domestic animals. the vp1 gene in fmdv genome encodes the viral capsid, a vital element for fmdv replication. sleeping beauty (sb) is an active dna-transposon system responsible for genetic transformation and insertional mutagenesis in vertebrates. in this study, a conserved vp1-shrna which specifically targets the ovine fmdv-vp1 gene was constructed and combined with sb trans ...201728855524
development of isothermal recombinase polymerase amplification assay for rapid detection of porcine circovirus type 2.porcine circovirus virus type ii (pcv2) is the etiology of postweaning multisystemic wasting syndrome (pmws), porcine dermatitis, nephropathy syndrome (pdns), and necrotizing pneumonia. rapid diagnosis tool for detection of pcv2 plays an important role in the disease control and eradication program. recombinase polymerase amplification (rpa) assays using a real-time fluorescent detection (pcv2 real-time rpa assay) and rpa combined with lateral flow dipstick (pcv2 rpa lfd assay) were developed ta ...201728424790
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