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PMID |
Sentence |
1 |
9266981
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Complementary DNA encoding the ORF5 gene of a Quebec reference isolate (IAF-Klop) of porcine reproductive and respiratory syndrome virus (PRRSV) was cloned into the prokaryotic expression vectors pGEX-4T and pET21a to produce ORF5-glutathione S-transferase and ORF5-polyhistidine fusion proteins.
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2 |
9266981
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Five hybridoma cell lines producing monoclonal antibodies (MAbs) to the 25 kDa viral envelope glycoprotein (GP5) were obtained from BALB/c mice immunized with the affinity chromatography-purified GST-ORF5 fusion protein.
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3 |
9603313
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The ORF5-encoded major envelope glycoprotein (GP5) of porcine reproductive and respiratory syndrome virus (PRRSV) is one of the three major structural proteins of this virus.
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4 |
9603313
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While some porcine convalescent sera and monoclonal antibodies directed against GP4 and GP5 have the capacity to neutralize the virus in vitro, the protein specificity of porcine neutralizing sera has not yet been established.
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5 |
9603313
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Peripheral blood mononuclear cells obtained from DNA-vaccinated pigs underwent blastogenic transformation in the presence of E. coli-expressed recombinant ORF5-encoded protein, indicating the specificity of the cellular immune response to GP5.
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6 |
9603313
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The ORF5-encoded major envelope glycoprotein (GP5) of porcine reproductive and respiratory syndrome virus (PRRSV) is one of the three major structural proteins of this virus.
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7 |
9603313
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While some porcine convalescent sera and monoclonal antibodies directed against GP4 and GP5 have the capacity to neutralize the virus in vitro, the protein specificity of porcine neutralizing sera has not yet been established.
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8 |
9603313
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Peripheral blood mononuclear cells obtained from DNA-vaccinated pigs underwent blastogenic transformation in the presence of E. coli-expressed recombinant ORF5-encoded protein, indicating the specificity of the cellular immune response to GP5.
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9 |
9603313
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The ORF5-encoded major envelope glycoprotein (GP5) of porcine reproductive and respiratory syndrome virus (PRRSV) is one of the three major structural proteins of this virus.
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10 |
9603313
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While some porcine convalescent sera and monoclonal antibodies directed against GP4 and GP5 have the capacity to neutralize the virus in vitro, the protein specificity of porcine neutralizing sera has not yet been established.
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11 |
9603313
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Peripheral blood mononuclear cells obtained from DNA-vaccinated pigs underwent blastogenic transformation in the presence of E. coli-expressed recombinant ORF5-encoded protein, indicating the specificity of the cellular immune response to GP5.
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12 |
9684045
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The objective of the present study was to evaluate the importance of genomic and antigenic variations which may have affected the major envelope glycoprotein GP5 of porcine reproductive and respiratory syndrome virus (PRRSV) isolates responsible for outbreaks in Quebec and Ontario, in comparison with the modified-live U.S. vaccine strain (MLV) and the European prototype strain from Lelystad (LV).
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13 |
9684045
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The ORF5 encoded products of 5 of these isolates, including the MLV and LV strains, were expressed in E. coli as recombinant proteins fused to the glutathione S-transferase (GST) protein and used to raise hyperimmune anti-ORF5 sera in rabbits.
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14 |
9684045
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The reactivity patterns of strain-specific hyperimmune anti-ORF5 sera and a panel of 4 monoclonal antibodies directed against the ORF5 gene product of the Quebec IAF-Klop strain of PRRSV, indicated that GP5 of field isolates also underwent antigenic variations.
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15 |
9684045
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The objective of the present study was to evaluate the importance of genomic and antigenic variations which may have affected the major envelope glycoprotein GP5 of porcine reproductive and respiratory syndrome virus (PRRSV) isolates responsible for outbreaks in Quebec and Ontario, in comparison with the modified-live U.S. vaccine strain (MLV) and the European prototype strain from Lelystad (LV).
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16 |
9684045
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The ORF5 encoded products of 5 of these isolates, including the MLV and LV strains, were expressed in E. coli as recombinant proteins fused to the glutathione S-transferase (GST) protein and used to raise hyperimmune anti-ORF5 sera in rabbits.
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17 |
9684045
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The reactivity patterns of strain-specific hyperimmune anti-ORF5 sera and a panel of 4 monoclonal antibodies directed against the ORF5 gene product of the Quebec IAF-Klop strain of PRRSV, indicated that GP5 of field isolates also underwent antigenic variations.
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18 |
10893147
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The major structural proteins consist of a 25 kDa envelope glycoprotein (GP5), an 18-19 kDa unglycosylated membrane protein (M), and a 15 kDa nucleocapsid (N) protein, encoded by ORFs 5, 6 and 7, respectively.
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19 |
10893147
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The expression products of ORFs 2 and 4 are also incorporated into virus particles as additional minor membrane-associated glycoproteins designated as GP2 and GP4, with M(r) of 29 and 31 kDa, respectively.
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20 |
12513927
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Animals received four injections of recombinant porcine IL-1 and IL-6, IL-12 alone, or CT alone within 1 week of intramuscular administration of a vaccine strain of PRRSV, Ingelvac MLV.
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21 |
12513927
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Second, animals that received CT adjuvant displayed a more robust antibody response to GP5, the major envelope glycoprotein.
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22 |
12513927
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It acts in part through the production of IL-1 in macrophages, but its effect was not replaced by combination treatment with IL-1 and IL-6.
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23 |
14614267
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The ORF5 gene encodes a major envelope glycoprotein (GP5), which is one of the three major proteins of porcine reproductive and respiratory syndrome virus (PRRSV).
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24 |
14614267
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The GP5 protein has been known to be a 24.5-26 kDa N-glycosylated envelope protein.
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25 |
14614267
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To produce the native form of GP5 in mammalian cells, we have cloned the ORF5 gene from PRRSV CNV-1 into the Semliki Forest virus (SFV)-based expression vector, resulting in recombinant pSFV-ORF5.
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26 |
14614267
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The ORF5 gene encodes a major envelope glycoprotein (GP5), which is one of the three major proteins of porcine reproductive and respiratory syndrome virus (PRRSV).
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27 |
14614267
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The GP5 protein has been known to be a 24.5-26 kDa N-glycosylated envelope protein.
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28 |
14614267
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To produce the native form of GP5 in mammalian cells, we have cloned the ORF5 gene from PRRSV CNV-1 into the Semliki Forest virus (SFV)-based expression vector, resulting in recombinant pSFV-ORF5.
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29 |
14614267
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The ORF5 gene encodes a major envelope glycoprotein (GP5), which is one of the three major proteins of porcine reproductive and respiratory syndrome virus (PRRSV).
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30 |
14614267
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The GP5 protein has been known to be a 24.5-26 kDa N-glycosylated envelope protein.
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31 |
14614267
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To produce the native form of GP5 in mammalian cells, we have cloned the ORF5 gene from PRRSV CNV-1 into the Semliki Forest virus (SFV)-based expression vector, resulting in recombinant pSFV-ORF5.
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32 |
14614542
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To evaluate the type-specific prevalence of eight common types of human papillomavirus (HPV) in patients with cervical cancer living in Shanxi, China, with fluorescence polarization detection, crude DNA extracted from 137 samples of early-stage cervical cancer (within stage IIa) and chronic cervicitis was subjected to HPV L1 consensus GP5+/GP6+ system.
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33 |
14614542
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Then, the HPV-positive products identified by GP5 + /GP6+ PCR were genotyped based on template-directed dye-terminator incorporation assay with fluorescence polarization detection (TDI-FP): the PCR products were respectively hybridized with designed type-specific probes within the GP5+/GP6+ amplicons for eight common HPV types (HPV 6, 11, 18, 16, 31, 33, 35, and 58), and specific fluorescence-labeled ddNTPs (TAMRA-ddTTP or R110-ddGTP) were directly incorporated to the ends of the corresponding probes under directing of the corresponding template in PCR products, which was reflected and read by high FP values for TAMRA or R110.
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34 |
14614542
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To evaluate the type-specific prevalence of eight common types of human papillomavirus (HPV) in patients with cervical cancer living in Shanxi, China, with fluorescence polarization detection, crude DNA extracted from 137 samples of early-stage cervical cancer (within stage IIa) and chronic cervicitis was subjected to HPV L1 consensus GP5+/GP6+ system.
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35 |
14614542
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Then, the HPV-positive products identified by GP5 + /GP6+ PCR were genotyped based on template-directed dye-terminator incorporation assay with fluorescence polarization detection (TDI-FP): the PCR products were respectively hybridized with designed type-specific probes within the GP5+/GP6+ amplicons for eight common HPV types (HPV 6, 11, 18, 16, 31, 33, 35, and 58), and specific fluorescence-labeled ddNTPs (TAMRA-ddTTP or R110-ddGTP) were directly incorporated to the ends of the corresponding probes under directing of the corresponding template in PCR products, which was reflected and read by high FP values for TAMRA or R110.
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36 |
15051384
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We have used an infectious cDNA clone of equine arteritis virus (EAV) and reverse genetics technology to further characterize the neutralization determinants in the GP5 envelope glycoprotein of the virus.
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37 |
15507315
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The ORFs-encoded major envelope glycoprotein (GP5) of porcine reproductive and respiratory syndrome virus (PRRSV) is one of the major structural proteins of this virus.
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38 |
15893859
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Alternative codon usage of PRRS virus ORF5 gene increases eucaryotic expression of GP(5) glycoprotein and improves immune response in challenged pigs.
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39 |
15963827
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A live attenuated vaccine-based PRV recombinant expressing the envelope protein GP5 of PRRSV was generated using recombinant DNA techniques.
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40 |
16525729
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The ORF5-encoded major envelope glycoprotein (GP5) is one of the key immunogenic proteins of the porcine reproductive and respiratory syndrome virus (PRRSV) and is the leading target for the development of the new generation of vaccines against PRRS.
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41 |
16571816
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Porcine reproductive and respiratory syndrome virus (PRRSV) glycoprotein 5 (GP5) is the most abundant envelope glycoprotein and a major inducer of neutralizing antibodies in vivo.
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42 |
16721861
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A selected set of samples was also assayed by Gp5+/Gp6+ PCR and typed by direct sequencing.
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43 |
16763729
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The phylogenetic analysis of the nucleotide sequence encoding the GP5 envelope glycoprotein and the nucleocapsid protein coding sequences (ORF5 and ORF7, respectively) showed a close genetic relationship between the new outbreak-related and one of the vaccine viruses, while the prevailing PRRS virus genetic variants disappeared from the farm.
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44 |
17913250
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The major envelope protein, GP5, exposes outside the virion, induces neutralizing antibodies, and thus is a primary target for developing a subunit vaccine.
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45 |
18032597
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The GP5(55-98) MIA and VNT outcomes correlated significantly (r = 0.84; P < 0.0001).
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46 |
18032597
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Although the GP5(55-98) MIA is less sensitive than the standard VNT, it has the potential to provide a rapid, convenient, and more economical test for screening equine sera for the presence of antibodies to EAV, with the VNT then being used as a confirmatory assay.
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47 |
18032597
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The GP5(55-98) MIA and VNT outcomes correlated significantly (r = 0.84; P < 0.0001).
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48 |
18032597
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Although the GP5(55-98) MIA is less sensitive than the standard VNT, it has the potential to provide a rapid, convenient, and more economical test for screening equine sera for the presence of antibodies to EAV, with the VNT then being used as a confirmatory assay.
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49 |
18262692
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A recombinant plasmid co-expressing swine ubiquitin and the GP5 encoding-gene of porcine reproductive and respiratory syndrome virus induces protective immunity in piglets.
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50 |
18262692
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We transfected a recombinant plasmid that co-expressed swine ubiquitin and a codon optimized GP5 encoding-gene of porcine reproductive and respiratory syndrome virus (PRRSV), designated pCA-U-optiGP5, as well as the plasmid pCA-optiGP5 encoding codon optimized GP5, and the plasmid pCA-GP5 expressing wild-type pGP5 into 293T cells.
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51 |
18262692
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A recombinant plasmid co-expressing swine ubiquitin and the GP5 encoding-gene of porcine reproductive and respiratory syndrome virus induces protective immunity in piglets.
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52 |
18262692
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We transfected a recombinant plasmid that co-expressed swine ubiquitin and a codon optimized GP5 encoding-gene of porcine reproductive and respiratory syndrome virus (PRRSV), designated pCA-U-optiGP5, as well as the plasmid pCA-optiGP5 encoding codon optimized GP5, and the plasmid pCA-GP5 expressing wild-type pGP5 into 293T cells.
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53 |
18538882
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Enhanced immune responses of mice inoculated recombinant adenoviruses expressing GP5 by fusion with GP3 and/or GP4 of PRRS virus.
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54 |
18538882
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Six groups of BALB/c mice (24mice per group) were inoculated subcutaneously twice at 2-week intervals with above mentioned recombinants and other adenoviruses expressing single GP3, GP4, or GP5 protein.
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55 |
18538882
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Enhanced immune responses of mice inoculated recombinant adenoviruses expressing GP5 by fusion with GP3 and/or GP4 of PRRS virus.
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56 |
18538882
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Six groups of BALB/c mice (24mice per group) were inoculated subcutaneously twice at 2-week intervals with above mentioned recombinants and other adenoviruses expressing single GP3, GP4, or GP5 protein.
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57 |
18590788
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Ninety-six pentadecapeptides spanning glycoprotein 5 (GP5) of porcine reproductive and respiratory virus (PRRSV) were screened for their ability to elicit a recall interferon-gamma response from peripheral blood mononuclear cells isolated from 22 pigs infected with up to two genetically divergent PRRSV strains.
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58 |
18590788
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Two distinct regions (amino acid residues 117-131, LAALICFVIRLAKNC, and 149-163, KGRLYRWRSPVII/VEK) appeared to contain immunodominant T-cell epitopes based on their ability to stimulate above average numbers of interferon-gamma secreting cells as compared to other GP5 peptides.
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59 |
18590788
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Ninety-six pentadecapeptides spanning glycoprotein 5 (GP5) of porcine reproductive and respiratory virus (PRRSV) were screened for their ability to elicit a recall interferon-gamma response from peripheral blood mononuclear cells isolated from 22 pigs infected with up to two genetically divergent PRRSV strains.
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60 |
18590788
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Two distinct regions (amino acid residues 117-131, LAALICFVIRLAKNC, and 149-163, KGRLYRWRSPVII/VEK) appeared to contain immunodominant T-cell epitopes based on their ability to stimulate above average numbers of interferon-gamma secreting cells as compared to other GP5 peptides.
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61 |
18619638
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Inoculation of horses with the recombinant viruses clearly demonstrated that changes in either the replicase (nsp1, nsp2 and nsp7) or structural proteins (GP2, GP4, GP5 and M) resulted in attenuation of the virulent VB strain.
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62 |
18814248
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HPV sequences were detected by broad spectrum consensus-primer-pairs MY09/MY11 and GP5+/GP6+-based polymerase chain reaction and characterized by nucleotide sequence analysis.
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63 |
19149182
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[Immune responses induced by the suicidal DNA vaccines co-expressing the GP5 protein of PRRSV and the E2 protein of CSFV in mice].
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64 |
20052389
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GP5+/GP6+ L1 primers, RLB assays, and E7 type specific PCR were used for HPV-DNA detection. 217 cases were analyzed with 97.7% HPV detection rate.
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65 |
20084110
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Although sialic acids are present on the GP(3), GP(4) and GP(5) envelope glycoproteins, only the M/GP(5) glycoprotein complex of PRRSV was identified as a ligand for sialoadhesin.
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66 |
20084110
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The interaction was found to be dependent on the sialic acid binding capacity of sialoadhesin and on the presence of sialic acids on GP(5).
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67 |
20084110
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Although sialic acids are present on the GP(3), GP(4) and GP(5) envelope glycoproteins, only the M/GP(5) glycoprotein complex of PRRSV was identified as a ligand for sialoadhesin.
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68 |
20084110
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The interaction was found to be dependent on the sialic acid binding capacity of sialoadhesin and on the presence of sialic acids on GP(5).
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69 |
20851084
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CD40 ligand expressed in adenovirus can improve the immunogenicity of the GP3 and GP5 of porcine reproductive and respiratory syndrome virus in swine.
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70 |
20851084
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In this study, the recombinant adenoviruses expressing porcine CD40 ligand (CD40L) and GP3/GP5 of PRRSV were constructed and the immune responses were examined in pigs.
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71 |
20885848
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Two immunodominant peptides (VR #1 and VR #2) and two neutralizing ectodomain-containing peptides (Ecto #1 and Ecto #2), as well as recombinant GP5 (rGP5) as a control, were prepared.
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72 |
22131114
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All samples were tested for the presence of HPV DNA using a consensus GP5+/ GP6+ PCR and HPV genotypes determined by the INNO LiPA HPV Genotyping Extra test, capable of recognizing 28 different alfa-HPV genotypes.
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73 |
22245402
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Therefore, we hypothesized that the 31 amino acid mutations distributed in nsp1β, nsp2-nsp5, nsp7, nsp9, nsp10, GP4 and GP5 and the continuous 120 amino acid deletion in the nsp2 region from F19 provide a strong potential molecular basis for the observed attenuated phenotype.
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74 |
23058982
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Two DNA vaccines encoding the envelope protein GP5 of porcine reproductive and respiratory syndrome virus (PRRSV) alone (pEGFP-GP5) and co-encoding GP5 and swine interleukin-18 (IL-18) proteins (pEGFP-IL18-GP5), were constructed and comparatively evaluated for their abilities to induce humoral and cellular responses in piglets.
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75 |
23058982
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Moreover, the piglets inoculated with pEGFP-IL18-GP5 developed significantly higher IFN-γ production response, significantly increased percentages of CD4(+) and CD8(+) T-lymphocytes and significantly higher specific T-lymphocyte proliferation response than the pEGFP-GP5 inoculated pigs (P<0.05).
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76 |
23058982
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Therefore, in order to develop a new type vaccine for PRRS prevention and control, co-encoding of GP5 and IL-18 proteins may be a good choice.
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77 |
23058982
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Two DNA vaccines encoding the envelope protein GP5 of porcine reproductive and respiratory syndrome virus (PRRSV) alone (pEGFP-GP5) and co-encoding GP5 and swine interleukin-18 (IL-18) proteins (pEGFP-IL18-GP5), were constructed and comparatively evaluated for their abilities to induce humoral and cellular responses in piglets.
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78 |
23058982
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Moreover, the piglets inoculated with pEGFP-IL18-GP5 developed significantly higher IFN-γ production response, significantly increased percentages of CD4(+) and CD8(+) T-lymphocytes and significantly higher specific T-lymphocyte proliferation response than the pEGFP-GP5 inoculated pigs (P<0.05).
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79 |
23058982
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Therefore, in order to develop a new type vaccine for PRRS prevention and control, co-encoding of GP5 and IL-18 proteins may be a good choice.
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80 |
23116484
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'Pei chiao' (AAA) have been transformed with the ORF5 gene of PRRSV envelope glycoprotein (GP5) using Agrobacterium-mediated transformation and have been confirmed.
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81 |
23578707
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A novel PRRSV ORF5a protein, encoded in an open reading frame (ORF) that overlaps the major envelope glycoprotein GP5 ORF, was recently identified.
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82 |
23752127
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A total of 22 consecutive biopsies (intraepithelial neoplasia, SCCC, and benign conditions) positive for β-globin were further tested for HPV infection by PCR using the general primers GP5+/GP6+ and CPI/CPII.
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83 |
23752127
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Nineteen biopsies corresponded to intraepithelial neoplasia (two low-grade and nine high-grade) or SCCC (n=8), from which 11 (57.9%) tested positive for HPV infection; nine were positive for CPI/CPII, including one case also positive for GP5+/GP6+ and HPV 18, and the remaining two tested positive only for HPV 16.
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84 |
23752127
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A total of 22 consecutive biopsies (intraepithelial neoplasia, SCCC, and benign conditions) positive for β-globin were further tested for HPV infection by PCR using the general primers GP5+/GP6+ and CPI/CPII.
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85 |
23752127
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Nineteen biopsies corresponded to intraepithelial neoplasia (two low-grade and nine high-grade) or SCCC (n=8), from which 11 (57.9%) tested positive for HPV infection; nine were positive for CPI/CPII, including one case also positive for GP5+/GP6+ and HPV 18, and the remaining two tested positive only for HPV 16.
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86 |
24084290
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Porcine reproductive and respiratory syndrome virus ORF5a protein is encoded in an alternate open reading frame upstream of the major envelope glycoprotein (GP5) in subgenomic mRNA5.
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87 |
24091312
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In our previous study, we provided evidence that DNA plasmid bearing porcine IL-15 (pVAX-pIL-15) might serve as an immune enhancer for DNA plasmid encoding porcine reproductive and respiratory syndrome virus GP5 gene.
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88 |
24614617
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We selected the GP3, GP4 and GP5 and optimized these for production in an Arabidopsis seed platform by removing transmembrane domains (Tm) and/or adding stabilizing protein domains, such as the green fluorescent protein (GFP) and immunoglobulin (IgG) 'Fragment crystallizable' (Fc) chains.
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89 |
25014350
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Porcine reproductive and respiratory syndrome virus (PRRSV) glycoprotein 5 (GP5) is the most abundant envelope glycoprotein and a key target for neutralizing antibodies.
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90 |
25446829
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In this study, we demonstrate that porcine reproductive and respiratory syndrome virus (PRRSV) antigen was targeted efficiently to dendritic cells through antibodies specific to a porcine CLR molecule DC-SIGN (dendritic cell-specific intercellular adhesion molecule-3-grabbing non-integrin) in pigs.
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91 |
25446829
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A recombinant PRRSV antigen (shGP45M) was constructed by fusing secretory-competent subunits of GP4, GP5 and M proteins derived from genetically-shuffled strains of PRRSV.
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92 |
25766593
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His-tagged GP5 was induced with IPTG, verified by SDS-PAGE and Western blotting, and purified to serve as an immunogen accompanied with the Salmonella typhimurium flagellin (FliC), a Toll-like receptor 5 (TLR5) agonist.
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93 |
26076449
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The resultant viable recombinant viruses, CvBJC3m/I-ΔGP5 and CvBJC3m/I-E2, respectively expressed partial PRRSV envelope protein GP5 or CSFV neutralization epitope A1A2 along with EMCV proteins.
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94 |
26162970
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More than ten amino acids residues in ORF1a, ORF1b, GP4, and GP5 that were thought to be unique to JXA1 attenuated on MARC-145 cells were each found in the corresponding locations of NT1, NT2, and NT3.
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95 |
26213972
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The unique mutations in glycoprotein 5 (GP5) and Nsp2 revealed that HB-XL might be a novel variant PRRSV strain recombined with vaccine strains.
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