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Effects of Shield1 on the viral replication of varicella-zoster virus containing FKBP-tagged ORF4 and 48

The present study aimed to explore the effects of a stabilizing ligand, Shield-1, on the replication of recombinant varicella-zoster virus (VZV) containing FK506 binding protein (FKPB) tags in essential open reading frames (ORF) 4 and 48. A specific galactokinase (galK) selection method was conducte...

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Autores principales: Li, Shuying, Liu, Zhanjun, Li, Ji, Liu, Aihua, Zhu, Lihua, Yu, Kui, Zhang, Ke
Formato: Online Artículo Texto
Lenguaje:English
Publicado: D.A. Spandidos 2018
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5780153/
https://www.ncbi.nlm.nih.gov/pubmed/29115621
http://dx.doi.org/10.3892/mmr.2017.7986
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author Li, Shuying
Liu, Zhanjun
Li, Ji
Liu, Aihua
Zhu, Lihua
Yu, Kui
Zhang, Ke
author_facet Li, Shuying
Liu, Zhanjun
Li, Ji
Liu, Aihua
Zhu, Lihua
Yu, Kui
Zhang, Ke
author_sort Li, Shuying
collection PubMed
description The present study aimed to explore the effects of a stabilizing ligand, Shield-1, on the replication of recombinant varicella-zoster virus (VZV) containing FK506 binding protein (FKPB) tags in essential open reading frames (ORF) 4 and 48. A specific galactokinase (galK) selection method was conducted, following the addition of galK labels to VZV ORF4 and 48, using a SW102 VZV bacterial artificial chromosome (BAC) system. Subsequently, recombinant VZV containing FKPB tags in ORF4 and 48 was constructed by counterselection and homologous recombination. Recombinant viral plasmids containing FKPB-tagged VZV ORF4 and 48 were extracted and transfected into human acute retinal pigment epithelial ARPE-19 cells. The results demonstrated that the FKPB-tagged viral protein was rapidly degraded by proteases in recombinant virus-infected ARPE-19 cells. In addition, the recombinant VZVORF4-FKBP-ORF48-FKBP virus could not grow if a synthetic ligand of FKBP, Shield1, was not added to the ARPE-19 cell culture medium; however, the degradation of FKPB-tagged viral protein was prevented if Shield1 was added to the ARPE-19 cell culture medium, thereby allowing viral replication in ARPE-19 cells. These results indicated that Shield1 may regulate replication of recombinant VZVORF4-FKBP-ORF48-FKBP following transfection into human epithelial cells.
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spelling pubmed-57801532018-02-05 Effects of Shield1 on the viral replication of varicella-zoster virus containing FKBP-tagged ORF4 and 48 Li, Shuying Liu, Zhanjun Li, Ji Liu, Aihua Zhu, Lihua Yu, Kui Zhang, Ke Mol Med Rep Articles The present study aimed to explore the effects of a stabilizing ligand, Shield-1, on the replication of recombinant varicella-zoster virus (VZV) containing FK506 binding protein (FKPB) tags in essential open reading frames (ORF) 4 and 48. A specific galactokinase (galK) selection method was conducted, following the addition of galK labels to VZV ORF4 and 48, using a SW102 VZV bacterial artificial chromosome (BAC) system. Subsequently, recombinant VZV containing FKPB tags in ORF4 and 48 was constructed by counterselection and homologous recombination. Recombinant viral plasmids containing FKPB-tagged VZV ORF4 and 48 were extracted and transfected into human acute retinal pigment epithelial ARPE-19 cells. The results demonstrated that the FKPB-tagged viral protein was rapidly degraded by proteases in recombinant virus-infected ARPE-19 cells. In addition, the recombinant VZVORF4-FKBP-ORF48-FKBP virus could not grow if a synthetic ligand of FKBP, Shield1, was not added to the ARPE-19 cell culture medium; however, the degradation of FKPB-tagged viral protein was prevented if Shield1 was added to the ARPE-19 cell culture medium, thereby allowing viral replication in ARPE-19 cells. These results indicated that Shield1 may regulate replication of recombinant VZVORF4-FKBP-ORF48-FKBP following transfection into human epithelial cells. D.A. Spandidos 2018-01 2017-11-06 /pmc/articles/PMC5780153/ /pubmed/29115621 http://dx.doi.org/10.3892/mmr.2017.7986 Text en Copyright: © Li et al. This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License (https://creativecommons.org/licenses/by-nc-nd/4.0/) , which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.
spellingShingle Articles
Li, Shuying
Liu, Zhanjun
Li, Ji
Liu, Aihua
Zhu, Lihua
Yu, Kui
Zhang, Ke
Effects of Shield1 on the viral replication of varicella-zoster virus containing FKBP-tagged ORF4 and 48
title Effects of Shield1 on the viral replication of varicella-zoster virus containing FKBP-tagged ORF4 and 48
title_full Effects of Shield1 on the viral replication of varicella-zoster virus containing FKBP-tagged ORF4 and 48
title_fullStr Effects of Shield1 on the viral replication of varicella-zoster virus containing FKBP-tagged ORF4 and 48
title_full_unstemmed Effects of Shield1 on the viral replication of varicella-zoster virus containing FKBP-tagged ORF4 and 48
title_short Effects of Shield1 on the viral replication of varicella-zoster virus containing FKBP-tagged ORF4 and 48
title_sort effects of shield1 on the viral replication of varicella-zoster virus containing fkbp-tagged orf4 and 48
topic Articles
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5780153/
https://www.ncbi.nlm.nih.gov/pubmed/29115621
http://dx.doi.org/10.3892/mmr.2017.7986
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