Patent application number | Description | Published |
20080254060 | Genetically Engineered Equine Influenza Virus and Uses Thereof - The present invention relates, in general, to attenuated equine influenza viruses having an impaired ability to antagonize the cellular interferon (IFN) response, and the use of such attenuated viruses in vaccine and pharmaceutical formulations. In particular, the invention relates to attenuated equine influenza viruses having modifications to an equine NS1 gene that diminish or eliminate the ability of the NS1 gene product to antagonize the cellular IFN response. These viruses replicate in vivo, but demonstrate decreased replication, virulence and increased attenuation, and therefore are well suited for use in live virus vaccines, and pharmaceutical formulations. | 10-16-2008 |
20090010962 | Genetically Engineered Swine Influenza Virus and Uses Thereof - The present invention relates, in general, to attenuated swine influenza viruses having an impaired ability to antagonize the cellular interferon (IFN) response, and the use of such attenuated viruses in vaccine and pharmaceutical formulations. In particular, the invention relates to attenuated swine influenza viruses having modifications to a swine NS1 gene that diminish or eliminate the ability of the NS1 gene product to antagonize the cellular IFN response. These viruses replicate in vivo, but demonstrate decreased replication, virulence and increased attenuation, and therefore are well suited for use in live virus vaccines, and pharmaceutical formulations. | 01-08-2009 |
20090028901 | Screening methods for identifying viral proteins with interferon antagonizing functions and potential antiviral agents - The present invention relates, in general, to a screening method for identifying novel viral proteins with interferon antagonizing function using a transfection-based assay, and the use of such proteins in isolating various types of attenuated viruses for the development of vaccine and pharmaceutical formulations. The invention also relates to the use of viral interferon antagonists in screening assays to identify potential anti-viral agents. The invention further relates to protocols utilizing interferon antagonists, e.g., NS1, to enhance gene therapy or DNA vaccination based on their ability to increase gene expression. | 01-29-2009 |
20090053264 | Attenuated negative strand viruses with altered interferon antagonist activity for use as vaccines and pharmaceuticals - The present invention relates, in general, to attenuated negative-strand RNA viruses having an impaired ability to antagonize the cellular interferon (IFN) response, and the use of such attenuated viruses in vaccine and pharmaceutical formulations. The invention also relates to the development and use of IFN-deficient systems for selection of such attenuated viruses. | 02-26-2009 |
20090061521 | Recombinant negative strand RNA virus expression systems and vaccines - The present invention relates methods of generating infectious negative-strand virus in host cells by an entirely vector-based system without the aid of a helper virus. In particular, the present invention relates methods of generating infectious recombinant negative-strand RNA viruses intracellularly in the absence of helper virus from expression vectors comprising cDNAs encoding the viral proteins necessary to form ribonucleoprotein complexes (RNPs) and expression vectors comprising cDNA for genomic viral RNA(s) (vRNAs) or the corresponding cRNA(s). The present invention also relates to methods of generating infectious recombinant negative-strand RNA viruses which have mutations in viral genes and/or which express, package and/or present peptides or polypeptides encoded by heterologous nucleic acid sequences. The present invention further relates the use of the recombinant negative-strand RNA viruses or chimeric negative-strand RNA viruses of the invention in vaccine formulations and pharmaceutical compositions. | 03-05-2009 |
20090203114 | NOVEL METHODS AND INTERFERON DEFICIENT SUBSTRATES FOR THE PROPAGATION OF VIRUSES - The present invention relates, to novel methods and substrates for the propagation of viruses. The invention relates to IFN-deficient substrates and methods for propagating viruses in these unconventional substrates. In particular, the invention relates to methods of propagating viruses in immature embryonated eggs, preferably six- to nine-day-old chicken eggs. The methods of the invention are particularly attractive for growing viruses suitable for use in vaccine and pharmaceutical formulations. | 08-13-2009 |
20090280144 | Recombinant newcastle disease virus RNA expression systems and vaccines - This invention relates to genetically engineered Newcastle disease viruses and viral vectors which express heterologous genes or mutated Newcastle disease viral genes or a combination of viral genes derived from different strains of Newcastle disease virus. The invention relates to the construction and use of recombinant negative strand NDV viral RNA templates which may be used with viral RNA-directed RNA polymerase to express heterologous gene products in appropriate host cells and/or to rescue the heterologous gene in virus particles. In a specific embodiment of the invention, the heterologous gene product is a peptide or protein derived from the genome of a human immunodeficiency virus. The RNA templates of the present invention may be prepared by transcription of appropriate DNA sequences using any DNA-directed RNA polymerase such as bacteriophage T7, T3, SP6 polymerase, or eukaryotic polymerase I. | 11-12-2009 |
20100080827 | RECOMBINANT INFLUENZA VIRUSES EXPRESSING TUMOR-ASSOCIATED ANTIGENS AS ANTITUMOR AGENTS - The present invention relates to the engineering of recombinant influenza viruses that express tumor-associated antigens. Expression of tumor-associated antigens by these viruses can be achieved by engineering specific epitopes into influenza virus proteins, or by engineering viral genes that encode a viral protein and the specific antigen as independent polypeptides. Tumor-bearing patients can be immunized with the recombinant influenza viruses alone, or in combination with another treatment, to induce an immune response that leads to tumor reduction. The recombinant viruses can also be used to vaccinate high risk tumor-free patients to prevent tumor formation in vivo. | 04-01-2010 |
20100158942 | ATTENUATED NEGATIVE STRAND VIRUSES WITH ALTERED INTERFERON ANTAGONIST ACTIVITY FOR USE AS VACCINES AND PHARMACEUTICALS - The present invention relates, in general, to attenuated negative-strand RNA viruses having an impaired ability to antagonize the cellular interferon (IFN) response, and the use of such attenuated viruses in vaccine and pharmaceutical formulations. The invention also relates to the development and use of IFN-deficient systems for selection of such attenuated viruses. | 06-24-2010 |
20100178684 | TRANSGENIC ONCOLYTIC VIRUSES AND USES THEREOF - The present disclosure relates to a recombinant oncolytic virus useful for inhibiting the growth of or killing tumor cells. More specifically, the recombinant oncolytic virus contains a heterologous nucleic acid sequence encoding an inflammation suppressive gene including, but not limited to, natural killer cell inhibitor, a chemokine binding protein, and an NF-κB inhibitor. Alternatively, the recombinant oncolytic virus contains a two or more heterologous nucleic acid sequences encoding one or more inflammation suppressive genes including, but not limited to, natural killer cell inhibitor(s), one or more chemokine binding protein(s), and/or one or more NF-κB inhibitor(s). Optionally, a recombinant oncolytic virus may further comprise one or more heterologous viral internal ribosome entry site (IRES) that is neuronally-silent. Such recombinant oncolytic viruses can be used to treat singular tumors or multi-focal tumors, such as those found in hepatocellular carcinoma or other cancers. | 07-15-2010 |
20100233785 | NOVEL METHODS AND INTERFERON DEFICIENT SUBSTRATES FOR THE PROPAGATION OF VIRUSES - The present invention relates, to novel methods and substrates for the propagation of viruses. The invention relates to IFN-deficient substrates and methods for propagating viruses in these unconventional substrates. In particular, the invention relates to methods of propagating viruses in immature embryonated eggs, preferably six- to nine-day-old chicken eggs. The methods of the invention are particularly attractive for growing viruses suitable for use in vaccine and pharmaceutical formulations. | 09-16-2010 |
20100297174 | INFLUENZA VIRUS VACCINES AND USES THEREOF - Provided herein are influenza hemagglutinin stem domain polypeptides, compositions comprising the same, vaccines comprising the same and methods of their use. | 11-25-2010 |
20110027270 | MONOCLONAL ANTIBODIES AGAINST INFLUENZA VIRUS GENERATED BY CYCLICAL ADMINISTRATION AND USES THEREOF - Provided herein are methods of producing neutralizing monoclonal antibodies, by cyclical immunization, that cross-react with strains of Influenza virus of the same subtype or different subtypes. Also provided herein are compositions comprising such antibodies and methods of using such antibodies to diagnose, prevent or treat Influenza virus disease. | 02-03-2011 |
20110033498 | METHODS OF PREVENTING AND TREATING VIRAL INFECTIONS BY INHIBITING THE DelSGYLATION ACTIVITY OF OTU DOMAIN-CONTAINING VIRAL PROTEINS - Viruses having an impaired ability to deISGylate ISG15 conjugates, in particular, viral mutants comprising a mutation in the viral genome that reduces or eliminates the ability of the viral OTU domain-containing protein encoded by the viral genome to deISGylate ISG15 conjugates and/or deubiquitinate ubiquitinated proteins and/or deNeddylate Neddylated proteins are disclosed. Such viral mutants may be used in the formulation of immunogenic compositions for inducing an immune response and preventing, managing and/or treating a viral infection. Also disclosed are methods for identifying anti-viral compounds, in particular, methods of identifying compounds that reduce or inhibit the deISGylation activity and/or deubiquitination and/or deNeddylation activity of a viral OTU domain-containing protein. The compounds identified using such methods may be used as antiviral agents for the prevention, treatment and/or management of viral infections. | 02-10-2011 |
20110105423 | COMPOUNDS THAT MODULATE NEGATIVE-SENSE, SINGLE-STRANDED RNA VIRUS REPLICATION AND USES THEREOF - The present invention relates to compounds that modulate the replication of negative-sense, single-stranded RNA viruses, such as influenza virus, and the use of such compounds. The invention relates to methods for increasing the titer of negative-sense, single-stranded RNA viruses, such as influenza virus, in substrates for virus propagation (e.g., tissue culture). The invention also relates to the use of compounds that decrease virus replication as antiviral agents. The invention further relates to methods for identifying compounds that modulate the replication of negative-sense, single-stranded RNA viruses, in particular, influenza virus. | 05-05-2011 |
20120058141 | CHIMERIC NEWCASTLE DISEASE VIRUSES AND USES THEREOF - Described herein are chimeric Newcastle disease viruses engineered to express a heterologous interferon antagonist and compositions comprising such viruses. The chimeric Newcastle disease viruses and compositions are useful in the treatment of cancer. | 03-08-2012 |
20120058538 | Helper-free Rescue of Recombinant Negative Strand RNA Virus Systems - The present invention relates methods of generating infectious negative-strand virus in host cells by an entirely vector-based system without the aid of a helper virus. In particular, the present invention relates methods of generating infectious recombinant negative-strand RNA viruses intracellularly in the absence of helper virus from expression vectors comprising cDNAs encoding the viral proteins necessary to form ribonucleoprotein complexes (RNPs) and expression vectors comprising cDNA for genomic viral RNA(s) (vRNAs) or the corresponding cRNA(s). The present invention also relates to methods of generating infectious recombinant negative-strand RNA viruses which have mutations in viral genes and/or which express, package and/or present peptides or polypeptides encoded by heterologous nucleic acid sequences. The present invention further relates the use of the recombinant negative-strand RNA viruses or chimeric negative-strand RNA viruses of the invention in vaccine formulations and pharmaceutical compositions. | 03-08-2012 |
20120122185 | Chimeric viruses presenting non-native surface proteins and uses thereof - The present invention provides chimeric negative-stand RNA viruses that allow a subject, e.g., an avian, to be immunized against two infectious agents by using a single chimeric virus of the invention. In particular, the present invention provides chimeric influenza viruses engineered to express and incorporate into their virions a fusion protein comprising an ectodomain of a protein of an infectious agent and the transmembrane and cytoplasmic domain of an influenza virus protein. Such chimeric viruses induce an immune response against influenza virus and the infectious agent. The present invention also provides chimeric Newcastle Disease viruses (NDV) engineered to express and incorporate into their virions a fusion protein comprising the ectodomain of a protein of an infectious agent and the transmembrane and cytoplasmic domain of an NDV protein. Such chimeric viruses induce an immune response against NDV and the infectious agent. | 05-17-2012 |
20120244183 | INFLUENZA VIRUSES AND USES THEREOF - Described herein are chimeric influenza virus gene segments and nucleic acid sequences encoding such chimeric influenza virus gene segments. A chimeric influenza virus gene segment described herein comprises packaging signals found in the non-coding and coding regions of one type of influenza virus gene segment and an open reading frame of a different type of influenza virus gene segment or fragment thereof. Also described herein are recombinant influenza viruses comprising two or more chimeric influenza virus gene segments and the use of such viruses in the prevention and/or treatment of influenza virus disease. | 09-27-2012 |
20120251568 | RECOMBINANT INFLUENZA VIRUSES AND USES THEREOF - Described herein are modified influenza virus NS gene segments and nucleic acid sequences encoding such modified influenza virus NS gene segments. In certain embodiments, a modified influenza virus NS gene segment described herein comprises an influenza virus NS 1 open reading frame (ORF) lacking a stop codon, a heterologous nucleotide sequence, a 2A autoproteolytic cleavage site or another cleavage site, an NEP ORF, wherein the gene segment has one or more mutations in either the splice acceptor site, splice donor site, or both the splice acceptor and splice donor sites that prevents splicing of mRNA. Also described herein are recombinant influenza viruses comprising a modified influenza virus NS gene segment and the use of such viruses. The recombinant influenza viruses may be use in the prevention and/or treatment of influenza virus disease or as a delivery vector. | 10-04-2012 |
20120258134 | ATTENUATED NEGATIVE STRAND VIRUSES WITH ALTERED INTERFERON ANTAGONIST ACTIVITY FOR USE AS VACCINES AND PHARMACEUTICALS - The present invention relates, in general, to attenuated negative-strand RNA viruses having an impaired ability to antagonize the cellular interferon (IFN) response, and the use of such attenuated viruses in vaccine and pharmaceutical formulations. The invention also relates to the development and use of IFN-deficient systems for selection of such attenuated viruses. | 10-11-2012 |
20120308608 | INTERFERON-INDUCING COMPOUNDS AND USES THEREOF - Provided herein are Compounds that induce interferon production and methods for identifying such Compounds. Also provided herein are compositions comprising such Compounds and methods of using such Compounds to treat interferon-sensitive diseases such as viral infections, cancer, and multiple sclerosis. | 12-06-2012 |
20130034581 | GENETICALLY ENGINEERED SWINE INFLUENZA VIRUS AND USES THEREOF - The present invention relates, in general, to attenuated swine influenza viruses having an impaired ability to antagonize the cellular interferon (IFN) response, and the use of such attenuated viruses in vaccine and pharmaceutical formulations. In particular, the invention relates to attenuated swine influenza viruses having modifications to a swine NS1 gene that diminish or eliminate the ability of the NS1 gene product to antagonize the cellular IFN response. These viruses replicate in vivo, but demonstrate decreased replication, virulence and increased attenuation, and therefore are well suited for use in live virus vaccines, and pharmaceutical formulations. | 02-07-2013 |
20130090367 | Compositions and Methods for Inhibiting Human Host Factors Required for Influenza Virus Replication - This application relates to the modulation of host cell factors required for influenza virus replication. The application relates to compounds, including nucleic acid compounds (such as, e.g., small interfering RNAs (siRNAs)) and small molecules, that target human host cell factors involved in influenza virus replication, and the use of such compounds for modulating influenza virus replication and as antiviral agents. The application also relates to methods of treating an influenza virus infection and methods of treating or preventing a symptom or disease associated with influenza virus infection, comprising administering to a subject a composition comprising a compound, such as a nucleic acid compound (e.g., an siRNA) or small molecule, that targets a human host cell factor involved in influenza virus replication. | 04-11-2013 |
20130129761 | INFLUENZA VIRUS VACCINE AND USES THEREOF - Provided herein are influenza hemagglutinin stem domain polypeptides, compositions comprising the same, vaccines comprising the same and methods of their use. | 05-23-2013 |
20130137678 | Antiviral Compounds and Uses Thereof - Described herein are Compounds, compositions comprising such Compounds, and the use of such Compounds and compositions as anti-viral agents. In one aspect, provided herein are methods of inhibiting viral replication using Compounds described herein or compositions thereof. In another aspect, provided herein are methods for preventing a symptom of a viral infection using a Compound, or a composition thereof. In another aspect, provided herein are methods of treating and/or managing viral infection using a compound or a composition thereof. | 05-30-2013 |
20130209499 | VACCINES FOR USE IN THE PROPHYLAXIS AND TREATMENT OF INFLUENZA VIRUS DISEASE - Provided herein are polypeptides comprising portions of the influenza virus hemagglutinin, compositions comprising such polypeptides that can be used as immunogens in vaccines and methods of their use to generate an immune response against multiple influenza subtypes in a subject. | 08-15-2013 |
20140044678 | CHIMERIC NEWCASTLE DISEASE VIRUSES AND USES THEREOF - Described herein are chimeric Newcastle disease viruses engineered to express a heterologous interferon antagonist and compositions comprising such viruses. The chimeric Newcastle disease viruses and compositions are useful in the treatment of cancer. | 02-13-2014 |
20140170163 | MONOCLONAL ANTIBODIES AGAINST INFLUENZA VIRUS GENERATED BY CYCLICAL ADMINISTRATION AND USES THEREOF - Provided herein are methods of producing neutralizing monoclonal antibodies, by cyclical immunization, that cross-react with strains of Influenza virus of the same subtype or different subtypes. Also provided herein are compositions comprising such antibodies and methods of using such antibodies to diagnose, prevent or treat Influenza virus disease. | 06-19-2014 |
20140271677 | Newcastle Disease Viruses and Uses Thereof - Described herein are chimeric Newcastle disease viruses engineered to express an agonist of a co-stimulatory signal of an immune cell and compositions comprising such viruses. Also described herein are chimeric Newcastle disease viruses engineered to express an antagonist of an inhibitory signal of an immune cell and compositions comprising such viruses. The chimeric Newcastle disease viruses and compositions are useful in the treatment of cancer. In addition, described herein are methods for treating cancer comprising administering Newcastle disease viruses in combination with an agonist of a co-stimulatory signal of an immune and/or an antagonist of an inhibitory signal of an immune cell. | 09-18-2014 |
20140328875 | INFLUENZA VIRUS VACCINES AND USES THEREOF - Provided herein are chimeric influenza hemagglutinin (HA) polypeptides, compositions comprising the same, vaccines comprising the same, and methods of their use. | 11-06-2014 |
20140341948 | ATTENUATED NEGATIVE STRAND VIRUSES WITH ALTERED INTERFERON ANTAGONIST ACTIVITY FOR USE AS VACCINES AND PHARMACEUTICALS - The present invention relates, in general, to attenuated negative-strand RNA viruses having an impaired ability to antagonize the cellular interferon (IFN) response, and the use of such attenuated viruses in vaccine and pharmaceutical formulations. The invention also relates to the development and use of IFN-deficient systems for selection of such attenuated viruses. | 11-20-2014 |
20140363878 | RECOMBINANT NEGATIVE STRAND VIRUS RNA EXPRESSION SYSTEMS AND VACCINES - The present invention relates to recombinant RNA virus templates derived from and applicable to negative strand naturally non-segmented viruses, including the families Bornaviridae, Filoviridae, and Paramyxoviridae, and methods for generating such recombinant RNA virus templates, wherein the templates are generated from two or more recombinant RNA molecules. The invention relates to the use of segmented recombinant RNA virus templates for naturally non-segmented RNA viruses to express heterologous gene products in appropriate host cell systems and/or to construct recombinant viruses taken from that family and that express, package, and/or present the heterologous gene product. The invention includes the expression products and recombinant and chimeric viruses thus prepared and vaccine and therapeutic formulations comprising the recombinant RNA viruses. | 12-11-2014 |