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Characterization of cell lines stably transfected with rubella virus replicons.
MedLine Citation:
PMID:  22542003     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Rubella virus (RUBV) replicons expressing a drug resistance gene and a gene of interest were used to select cell lines uniformly harboring the replicon. Replicons expressing GFP and a virus capsid protein GFP fusion (C-GFP) were compared. Vero or BHK cells transfected with either replicon survived drug selection and grew into a monolayer. However, survival was ∼9-fold greater following transfection with the C-GFP-replicon than with the GFP-expressing replicon and while the C-GFP-replicon cells grew similarly to non-transfected cells, the GFP-replicon cells grew slower. Neither was due to the ability of the CP to enhance RNA synthesis but survival during drug selection was correlated with the ability of CP to inhibit apoptosis. Additionally, C-GFP-replicon cells were not cured of the replicon in the absence of drug selection. Interferon-alpha suppressed replicon RNA and protein synthesis, but did not cure the cells, explaining in part the ability of RUBV to establish persistent infections.
Authors:
Wen-Pin Tzeng; Jie Xu; Teryl K Frey
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-4-25
Journal Detail:
Title:  Virology     Volume:  -     ISSN:  1096-0341     ISO Abbreviation:  -     Publication Date:  2012 Apr 
Date Detail:
Created Date:  2012-4-30     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0110674     Medline TA:  Virology     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Elsevier Inc. All rights reserved.
Affiliation:
Department of Biology, Georgia State University, P.O. Box 4010, Atlanta GA 30302-4010, USA.
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