The present invention provides a method of in vitro propagation of a viral eukaryotic gene transfer vector comprising a deleterious, i. e. , a cytostatic, cytotoxic, or apoptotic, gene in a eukaryotic, e. g. , a mammalian, host-production cell, comprising a blocking gene. The blocking gene inhibits the adverse effects of the deleterious gene on the eukaryotic host-production cell. Vectors and cells useful in the context of the present inventive method are also provided.
The present invention provides methods for administering an adenoviral gene transfer vector comprising an exogenous gene to an animal. One method involves utilizing systemic neutralizing antibodies to neutralize the adenoviral gene transfer vector outside a targeted muscle. Another method involves the repeat administration of an adenoviral gene transfer vector to a skeletal muscle.
The present invention provides a recombinant protein having an amino terminus of an adenoviral fiber protein and having a trimerization domain. A fiber incorporating such a protein exhibits reduced affinity for a native substrate than does a wild-type adenoviral fiber trimer. The present invention further provides an adenovirus incorporating the recombinant protein of the present invention.
Polynucleotide Encoding Chimeric Protein And Related Vector, Cell, And Method Of Expression Thereof
The invention pertains to a polynucleotide encoding a chimeric protein comprising an endoplasmic reticulum localization signal peptide, a transport moiety, and a moiety of interest, wherein the endoplasmic reticulum localization signal peptide, the transport moiety, and the moiety of interest are operably linked with each other, a vector comprising the polynucleotide, a cell comprising such a vector, and a method of expressing a protein comprising the transport moiety and the moiety of interest.
Rca-Free Adenoviral Vector System And Propagation Method
Imre Kovesdi - Rockville MD Douglas E. Brough - Olney MD Duncan L. McVey - Derwood MD Joseph T. Bruder - New Market MD Alena Lizonova - Rockville MD
Assignee:
GenVec, Inc. - Gaithersburg MD
International Classification:
C12N 510
US Classification:
435 914, 4353201, 435325, 435366, 435456
Abstract:
The present invention provides multiply deficient adenoviral vectors and complementing cell lines. Also provided are recombinants of the multiply deficient adenoviral vectors and a therapeutic method, particularly relating to gene therapy, vaccination, and the like, involving the use of such recombinants.
Thomas J. Wickham - Bethesda MD Erik Falck-Pedersen - Dobbs Ferry NY Petrus W. Roelvink - Gaithersburg MD Joseph T. Bruder - New Market MD Jason Gall - New York NY Imre Kovesdi - Rockville MD
Assignee:
Cornell Research Foundation, Inc. - Ithaca NY GenVec, Inc. - Gaithersburg MD
The invention provides a chimeric adenovirus fiber protein including a nonnative amino acid sequence, and a chimeric adenovirus fiber protein lacking a native amino acid receptor-binding sequence. The chimeric protein trimerizes when produced in a mammalian cell.
The present invention provides methods for administering an adenoviral gene transfer vector comprising an exogenous gene to an animal. One method involves utilizing systemic neutralizing antibodies to neutralize the adenoviral gene transfer vector outside a targeted muscle. Another method involves the repeat administration of an adenoviral gene transfer vector to a skeletal muscle.
The present invention provides a complex that includes a virion having a ligand that recognizes an epitope present on an immune effector cell surface and at least a first nucleic acid encoding a first non-native antigen. The invention also provides a library including a plurality of such complexes, in which antigens of at least two of the plurality are different. Using such reagents, the invention provides a method of precipitating an immune response within an immune effector cell, wherein such a complex is delivered to the cell under conditions sufficient for the cell to mount an immune response to the antigen. When applied in vivo, the method can serve to immunize an animal from the pathogen. Moreover, using a library including a plurality of complexes, which contains at least one test antigen, the invention provides a method of assessing the antigenicity of the test antigen.