期刊
GENE THERAPY
卷 15, 期 17, 页码 1240-1245出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/gt.2008.94
关键词
replicative adenovirus; syncytia; fusogenic membrane glycoproteins
类别
资金
- Generalitat de Catalunya [SGR0500008, 200556R00066]
- Oncolytics Biotech
- Spanish Ministry of Education and Science [BIO2005-08682-C03-02/01]
- European Commission. [LSHB-CT-2005-018700]
- NIH [RO1CA085931]
Fusogenic membrane glycoproteins (FMGs) may enhance the cytotoxicity of conditionally replicative adenoviruses. However, expression at early stages of infection impairs virus replication. We have inserted the hyperfusogenic form of the gibbon ape leukemia virus (GALV) envelope glycoprotein as a new splice unit of the major late promoter (MLP) to generate a replication-competent adenovirus expressing this protein. At high multiplicity of infection (MOI), this virus replicated efficiently forming clumps of fused cells and showing a faster release. In contrast, at low MOI, infected cells formed syncytia where only one nucleus contained virus DNA, decreasing total virus production but increasing cytotoxicity.
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