摘要:
Described herein is a method of enhancing virus replication in permissive cells that express a receptor to FGF2 protein. The method includes administering FGF2 protein or a functional variant thereof and the virus to the permissive cells. An oncolytic virus having a genome that includes an open reading frame that encodes FGF2 protein or a functional variant thereof is also described.
摘要:
Described herein is a non- invasive bacterium that includes a polynucleotide sequence encoding a soluble interferon binding protein that binds to IFN-α, IFN-β, or both, wherein the soluble protein is secretable by the bacterium. The bacterium may be used to aid in the replication of an IFN-sensitive oncolytic virus in a tumorous cancer in a patient.
摘要:
Methods for protecting the brain and other tissues from virus- associated toxicity are provided. Patients are treated with a first immunizing virus prior to administration of a second, therapeutic cytolytic virus. The immunizing virus is preferably administered peripherally, and initiates an adaptive immune response that is sufficient to reduce or prevent the cytovirulence and inflammation caused by the therapeutic virus. The immunizing virus is administered one or more times, preferably at least twice, before administration of the therapeutic virus. The therapeutic virus can be the same virus as the immunizing virus, or a mutant or variant thereof. Preferably the therapeutic virus is an attenuated virus with reduced virulence compared to the immunizing virus.
摘要:
Embodiments of the invention include compositions and methods related to non-VSV rhabdoviruses and their use as anti-cancer therapeutics. Such rhabdo viruses possess tumor cell killing properties in vitro and in vivo.
摘要:
The present invention relates to recombinant oncolytic viruses. More specifically, the present invention relates to recombinant oncolytic viruses expressing a heterologous B cell attractant polypeptide or a T cell attractant polypeptide.
摘要:
There is described a kit for use in inducing an immune response in a mammal, the kit includes: a first virus that expresses MAGEA3, Human Papilloma Virus E6/E7 fusion protein, human Six-Transmembrane Epithelial Antigen of the Prostate protein, or Cancer Testis Antigen 1, or a variant thereof as an antigenic protein and that is formulated to generate an immunity to the protein or variant thereof in the mammal. The kit also includes a Maraba MG1 virus encoding the same antigen, or a variant of the same antigen. The Maraba MG1 virus is formulated to induce the immune response in the mammal. The first virus is immunologically distinct from the Maraba MG1 virus.
摘要:
The present invention relates to methods and compositions for use in inducing tumor-specific antibody mediated complement-dependent cytotoxic response in an animal having a tumor comprising administering to said animal a composition comprising a replication competent oncolytic virus wherein administration of the composition induces in the animal production of antibodies that mediate a CDC response specific to said tumor.
摘要:
The invention provides methods for treating cancer cells in a host by infecting the cancer cells with one or more strains of oncolytic virus, in conjunction with treating the host with an amount of an HDI that is effective to augment the cancer-cell-specific oncolytic infection.
摘要:
The invention provides compositions and methods for treating neoplastic disease, such as cancer, with an oncolytic virus, such as VSV. A carrier cell is used to target a diseased tissue, and to cloak the oncolytic virus from surveillance by the subject's immune system during a targeting interval. Following delivery of the virus to the target tissue, the lysis of the carrier cell, and of the target cell, by the oncolytic virus, promotes an adaptive tumouricidal immune response. A wide variety of disparate carrier cells may be used, in conjunction with a promiscuous oncolytic virus having broad tropism, in an approach which facilitates successive treatments in which a new carrier will not be susceptible to an adaptive immune response mounted against previously used carriers. The promiscuity of the virus also facilitates lysis of carrier cells and target cells that are allogenic or xenogenic. The lytic phase of the carrier cell infection is staged so that the carrier is administered in an eclipse phase, and lysis follows the conclusion of the therapeutic targeting interval.
摘要:
The present invention relates to compositions and methods for the treatment of tumor and/or malignant and/or cancerous cells. The present invention provides VSV vectors comprising nucleic acid encoding a cytokine, such as interleukin or interferon, or a suicide gene, such as thymidine kinase, or other biological protein, such as heat shock protein gp96, or endostatin or angiostatin, wherein said VSV vectors exhibit greater oncolytic activity against the tumor and/or malignant and/or cancerous cell than a wild-type VSV vector. The present invention also provides methods of making such vectors, host cells, expression systems, and compositions comprising such VSV vectors, and viral particles comprising such VSV vectors. The present invention also provides methods for producing oncolytic activity in a tumor and/or malignant and/or cancerous cell comprising contacting said cell with a VSV vector of the present invention. The present invention also provides methods for suppressing tumor growth comprising contacting said tumor with a VSV vector of the present invention. The present invention also provides methods for eliciting an immune response to a tumor cell in an individual.