Abstract: Embodied herein are engineered fusion proteins that bind and target nociceptor neurons, compositions comprising these engineered fusion proteins, and methods for treatment of pain using these engineered fusion proteins or compositions containing the engineered fusion proteins. The engineered fusion proteins contain domains derived from protein toxins such as the anthrax toxin, clostridial botulinum family of toxins, disulphide-containing toxins, and AB component type toxins.

Abstract: Embodied herein are engineered fusion proteins that bind and target nociceptor neurons, compositions comprising these engineered fusion proteins, and methods for treatment of pain using these engineered fusion proteins or compositions containing the engineered fusion proteins. The engineered fusion proteins contain domains derived from protein toxins such as the anthrax toxin, clostridial botulinum family of toxins, disulphide-containing toxins, and AB component type toxins.

Abstract: Embodied herein are engineered fusion proteins that bind and target nociceptor neurons, compositions comprising these engineered fusion proteins, and methods for treatment of pain using these engineered fusion proteins or compositions containing the engineered fusion proteins. The engineered fusion proteins contain domains derived from protein toxins such as the anthrax toxin, clostridial botulinum family of toxins, disulphide-containing toxins, and AB component type toxins.

Abstract: Embodied herein are engineered fusion proteins that bind and target nociceptor neurons, compositions comprising these engineered fusion proteins, and methods for treatment of pain using these engineered fusion proteins or compositions containing the engineered fusion proteins. The engineered fusion proteins contain domains derived from protein toxins such as the anthrax toxin, clostridial botulinum family of toxins, disulphide-containing toxins, and AB component type toxins.

Abstract: Embodied herein are engineered fusion proteins that bind and target nociceptor neurons, compositions comprising these engineered fusion proteins, and methods for treatment of pain using these engineered fusion proteins or compositions containing the engineered fusion proteins. The engineered fusion proteins contain domains derived from protein toxins such as the anthrax toxin, clostridial botulinum family of toxins, disulphide-containing toxins, and AB component type toxins.

Abstract: Embodied herein are engineered fusion proteins that bind and target nociceptor neurons, compositions comprising these engineered fusion proteins, and methods for treatment of pain using these engineered fusion proteins or compositions containing the engineered fusion proteins. The engineered fusion proteins contain domains derived from protein toxins such as the anthrax toxin, clostridial botulinum family of toxins, disulphide-containing toxins, and AB component type toxins.

Abstract: Embodied herein are engineered fusion proteins that bind and target nociceptor neurons, compositions comprising these engineered fusion proteins, and methods for treatment of pain using these engineered fusion proteins or compositions containing the engineered fusion proteins. The engineered fusion proteins contain domains derived from protein toxins such as the anthrax toxin, clostridial botulinum family of toxins, disulphide-containing toxins, and AB component type toxins.

Abstract: The invention relates to engineered anthrax toxin compositions that can target antigen-presenting cells such as dendritic cells. Specifically, the compositions comprise (a) a native-receptor-ablated anthrax toxin protective antigen (PA) fused to a receptor-binding moiety specific for a target receptor on a dendritic cell and (b) a lethal factor (LF) or a fragment thereof fused to an active moiety comprising at least one repeat of a disease-specific antigen. The invention also relates to methods of using these compositions for targeted delivery to dendritic cells, methods of enhancing CTL activation, and methods of inducing an immune response to cancers, bacteria, and/or viruses.

Abstract: The invention provides compositions and methods for delivering a bioactive moiety comprising at least one non-natural component into a cell cytosol of a eukaryotic cell. The bioactive moiety is linked to an A component of a bacterial toxin, a functional wild-type or modified fragment thereof, or an A component surrogate or mimetic. For delivery, the cell is contacted with the linked bioactive moiety and a corresponding B component of the bacterial toxin or a functional fragment thereof.

Abstract: We described a novel system of targeted cell therapy with a protein toxin, such as anthrax toxin, that has been modified to re-direct it to a desired cell target instead of its natural cell target. The system can be used for, e.g., targeted killing of undesired cells in a population of cells, such as cancer or overly active immune system cells.

Abstract: We described a novel system of targeted cell therapy with a protein toxin, such as anthrax toxin, that has been modified to re-direct it to a desired cell target instead of its natural cell target. The system can be used for, e.g., targeted killing of undesired cells in a population of cells, such as cancer or overly active immune system cells.

Abstract: Provided herein are methods of integrating one or more exogenous nucleic acids into one or more selected target sites of a host cell genome. In certain embodiments, the methods comprise contacting the host cell genome with one or more nucleic acid constructs fused with a pore-forming toxin, which may further be targeted to a particular cell type, wherein the nucleic acid constructs comprise an exogenous nucleic acid to be integrated into a genomic target site, and an enzyme, such as a nuclease or recombinase or a combination thereof capable of targeted introduction of the nucleic acid into the genome.

Abstract: We described a novel system of targeted cell therapy with a protein toxin, such as anthrax toxin, that has been modified to re-direct it to a desired cell target instead of its natural cell target. The system can be used for, e.g., targeted killing of undesired cells in a population of cells, such as cancer or overly active immune system cells.

Abstract: We described novel methods for making targeted protein toxins by sortase-mediated protein ligation. The methods allow for a toxin and receptor-binding ligand to be ligated under mild conditions in vitro, following their expression and purification as single entities. The methods also provide a much more efficient way of making functional targeted fusion toxins compared to recombinant or chemical production of these structures.

Abstract: The invention provides compositions and methods for delivering a bioactive moiety comprising at least one non-natural component into a cell cytosol of a eukaryotic cell. The bioactive moiety is linked to an A component of a bacterial toxin, a functional wild-type or modified fragment thereof, or an A component surrogate or mimetic. For delivery, the cell is contacted with the linked bioactive moiety and a corresponding B component of the bacterial toxin or a functional fragment thereof.

Abstract: Apoptosis-modifying fusion polypeptides, and the corresponding nucleic acid molecules, are disclosed. Pharmaceutical compositions comprising these polypeptides, and the use of these polypeptides to modify apoptosis, are also provided.

Abstract: The present invention relates to mammalian anthrax toxin receptor polypeptides and polynucleotides encoding same as well as related polypeptides and polynucleotides, vectors containing the polynucleotides and polypeptides, host cells containing related polynucleotide molecules, and cells displaying no anthrax toxin receptor on an exterior surface of the cells—minus cell lines and animals. The present invention also relates to methods for identifying molecules that bind the anthrax toxin receptor and molecules that reduce the toxicity of anthrax toxin. Finally, the present invention provides methods for treating human and non-human animals suffering from anthrax.

Abstract: Disclosed is DNA encoding diphtheria toxin polypeptides having multiple mutations, which render the polypeptides useful as vaccines.

Abstract: The present invention relates to mammalian anthrax toxin receptor polypeptides and polynucleotides encoding same as well as related polypeptides and polynucleotides, vectors containing the polynucleotides and polypeptides, host cells containing related polynucleotide molecules, and cells displaying no anthrax toxin receptor on an exterior surface of the cells-minus cell lines and animals. The present invention also relates to methods for identifying molecules that bind the anthrax toxin receptor and molecules that reduce the toxicity of anthrax toxin. Finally, the present invention provides methods for treating human and non-human animals suffering from anthrax.

Abstract: The invention provides mutant forms of pore-forming toxins. These mutant toxins may be used in vaccines for the prevention of bacterial infection. Additionally, dominant negative mutants may be administered as therapeutics for the treatment of bacterial infection.