Abstract: Immunostimulatory compositions include an isolated nucleic acid molecule that includes one or more nucleotide sequences from 5?- or 3?-terminal regions of positive-sense, single-stranded RNA virus genomes and/or or nucleotide sequences from a 5?-terminal regions of negative-sense, single-stranded RNA virus genomes.

Abstract: Provided herein are compositions and methods related to MHC II binding peptides. In some embodiments, the peptides are obtained or derived from a common source. In other embodiment, the peptides are obtained or derived from an infectious agent to which a subject has been repeatedly exposed.

Abstract: This invention relates to compositions and methods that can be used immunize a subject against influenza. Generally, the compositions and methods include peptides obtained or derived from human influenza A virus hemagglutinin.

Abstract: This invention relates to compositions and methods that can be used immunize a subject against influenza. Generally, the compositions and methods include peptides obtained or derived from human influenza A virus M2 protein.

Abstract: This invention relates to compositions and methods that can be used immunize a subject against influenza. Generally, the compositions and methods include polypeptides obtained or derived from human influenza A virus hemagglutinin.

Abstract: Disclosed are synthetic nanocarrier compositions with coupled adjuvant compositions as well as related methods.

Abstract: Immunostimulatory sequence-specific RNA oligonucleotides corresponding to 3? terminal sequences of single-stranded minus-sense RNA genomic RNAs are provided. Also provided are compositions and methods relating to an immunostimulatory 4-mer RNA motif provided as 5?-C/U-U-G/U-U-3?. Incorporation of this short RNA motif is sufficient to confer new and altered immunostimulatory properties in new and existing oligonucleotides, including CpG oligodeoxynucleotides. Also provided are methods for use of the immunostimulatory RNA oligonucleotides and DNA:RNA chimeric oligonucleotides of the invention to induce an immune response in vitro and in vivo, as well as to treat allergy, asthma, infection, and cancer in a subject. Single-stranded oligoribonucleotides of the invention are believed to signal through a Toll-like receptor (TLR) chosen from TLR9, TLR8, TLR7, and TLR3. The oligoribonucleotides can also be used in a method to screen for TLR antagonists.

Abstract: Disclosed are dosage forms and related methods, that include a first population of synthetic nanocarriers that have one or more first antigens coupled to them, one or more second antigens that are not coupled to the synthetic nanocarriers, and a pharmaceutically acceptable excipient.

Abstract: Disclosed are synthetic nanocarrier compositions with separate adjuvant compositions as well as related methods.

Abstract: The invention relates, at least in part, to compositions comprising populations of synthetic nanocarriers that comprise different sets of antigens as well as related methods.

Abstract: The invention provides immunostimulatory compositions and methods for their use. In particular, the immunostimulatory compositions of the invention include RNA-like polymers that incorporate an immunostimulatory sequence motif and at least one chemical modification to confer improved stability against nuclease degradation and improved activity. Specific modifications involving phosphate linkages, nucleotide analogs, and combinations thereof are provided. Compositions of the invention optionally include an antigen and can be used to stimulate an immune response. Also provided are compositions and methods useful for treating a subject having an infection, a cancer, an to allergic condition, or asthma. Modified oligoribonucleotide analogs of the invention are believed to stimulate Toll-like receptors TLR7 and TLR8.

Abstract: Disclosed are synthetic nanocarrier compositions, and related methods, for treating diseases in which generating a Th1-biased immune response is desirable.

Abstract: The invention provides immunostimulatory compositions and use of those compounds in the preparation of medicaments for the treatment of disease as well as in vitro uses. In particular, the compositions of the invention include immunostimulatory oligoribonucleotides that incorporate a sequence-dependent immunostimulatory sequence motif. Specific modifications involving phosphate linkages, nucleotide analogs, adducts, and combinations thereof are provided. Compositions of the invention, which optionally can include an antigen, can be used alone or together with other treatments to stimulate or enhance an immune response. Also provided are compositions and methods useful for treating a subject having an infection, a cancer, an allergic condition, asthma, airway remodeling, or immunodeficiency. Immunostimulatory oligoribonucleotides of the invention are believed to stimulate Toll-like receptor 8 (TLR8).

Abstract: Disclosed are compositions and related methods that involve a synthetic nanocarrier that includes at least one peptide obtained from Human papillomavirus L1 or L2 capsid protein; wherein the peptide is coupled to an external surface of the synthetic nanocarrier.

Abstract: The present invention relates, at least in part, to compositions, and related methods, comprising MHC II binding peptides. In one embodiment, the MHC II binding peptides comprise a peptide having at least 70% identity to a natural HLA-DP binding peptide, HLA-DQ binding peptide, or HLA-DR binding peptide.

Abstract: This invention relates to compositions, and related compounds and methods, of conjugates of immunomodulatory agents and polymers or unit(s) thereof. The conjugates may be contained within synthetic nanocarriers, and the immunomodulatory agents may be released from the synthetic nanocarriers in a pH sensitive manner.

Abstract: This invention relates to compositions, and related methods, of synthetic nanocarriers that target sites of action in cells, such as antigen presenting cells (APCs), and comprise immunomodulatory agents that dissociate from the synthetic nanocarriers in a pH sensitive manner. Also disclosed are compositions and methods relating to synthetic nanocarriers that encapsulate labile immunomodulatory agents that dissociate from the synthetic nanocarriers in a pH sensitive manner.

Abstract: The invention provides immunostimulatory compositions and use of those compounds in the preparation of medicaments for the treatment of disease as well as in vitro uses. In particular, the compositions of the invention include immunostimulatory oligoribonucleotides that incorporate a sequence-dependent immunostimulatory sequence motif. Specific modifications involving phosphate linkages, nucleotide analogs, adducts, and combinations thereof are provided. Compositions of the invention, which optionally can include an antigen, can be used alone or together with other treatments to stimulate or enhance an immune response. Also provided are compositions and methods useful for treating a subject having an infection, a cancer, an allergic condition, asthma, airway remodeling, or immunodeficiency. Immunostimulatory oligoribonucleotides of the invention are believed to stimulate Toll-like receptor 8 (TLR8).

Abstract: This invention relates to compositions, and related methods, of synthetic nanocarriers that comprise immunomodulatory agents and antigens that are differentially released from the synthetic nanocarriers.

Abstract: The invention pertains to murine TLR9 and related TLR9s which include murine-specific amino acids, as well as nucleic acids which encode those polypeptides. The present invention also includes fragments and biologically functional variants of the murine TLR9. The invention further relates to methods of using such murine and non-murine TLR9 nucleic acids and polypeptides, especially in methods for screening for agonists and antagonists of immunostimulatory CpG nucleic acids. Also included are murine TLR9 inhibitors which inhibit murine TLR9 activity by inhibiting the expression or function of murine TLR9. In a further aspect the present invention pertains to murine TLR7 and murine TLR8, as well as related TLR7 and TLR8 molecules which include murine-specific amino acids, as well as nucleic acids which encode those polypeptides. The present invention also includes fragments and biologically functional variants of the murine TLR7 and TLR8.