Abstract:
The present invention provides improved vaccines comprising an isolated viral antigenic peptide and a synthetic peptide derived from a T cell epitope of HSP60. The invention includes mixtures where the peptide serves as an adjuvant as well as conjugates where the peptide is covalently linked to the viral antigen. The known synthetic peptide carrier, p458, provides significantly improved immunogenicity for synthetic viral epitopes and analogs. Ec27 is a novel peptide derived from HSP60 which increases the immunogenicity substantially of the viral antigen both as a mixture or a covalent conjugate. Some of the isolated viral epitopes are novel and are claimed for diagnostic as well as therapeutic or prophylactic uses.
Abstract:
The present invention relates generally to peptides derived from the natural cytotoxicity receptors on natural killer (NK) cells and to antibodies against peptide epitopes on these receptor. In particular, the present invention identifies an essential epitope in the proximal domain of NKp46 and NKp44 receptors present on NK cells, as a crucial element for the binding to viral-infected. The present invention provides peptides that are derived from the amino acid sequence of NKp46 receptor, capable of specific targeting of viral-infected cells and tumor cells and monoclonal antibodies which recognize a specific domain of NKp46. The present invention further provides hyperglycosylated peptides that are derived from the NKp44 receptor, capable of specific targeting of viral-infected cells.
Abstract:
The invention relates to use of the natural cytotoxicity receptor NKp46 for preventing and treating diabetes, including type I diabetes (TID) and type 2 diabetes. In particular, the invention provides compositions comprising a fragment of the extracellular region of NKp46 for preventing the onset and progression of diabetes.
Abstract:
The present invention relates generally to compositions useful in therapies involving the selective destruction of tumor cells in vivo. In particular, this invention relates to a conjugate which comprises a target recognition segment and an active cytotoxic segment. The target recognition segment comprises a receptor specific to NK cells, wherein the receptor binds to a cellular ligand expressed on the surface of a tumor cell, and the active segment comprises an agent capable of exerting a cytotoxic effect on the tumor cell. The target recognition segment derived form the natural killer receptor NKp30 has been found to be particularly effective in vivo.
Abstract:
The present invention relates generally to peptides derived from the natural cytotoxicity receptors on natural killer (NK) cells and to antibodies against peptide epitopes on these receptor. In particular, the present invention identifies an essential epitope in the proximal domain of NKp46 and NKp44 receptors present on NK cells, as a crucial element for the binding to viral-infected. The present invention provides peptides that are derived from the amino acid sequence of NKp46 receptor, capable of specific targeting of viral-infected cells and tumor cells and monoclonal antibodies which recognize a specific domain of NKp46. The present invention further provides hyperglycosylated peptides that are derived from the NKp44 receptor, capable of specific targeting of viral-infected cells.
Abstract:
The invention relates to a targeting complex, capable of targeting an active substance to a target cell, said complex comprising: a target recognition segment comprising one of NKp46, NKp30, NKp44 or a functional fragment thereof; and an active segment comprising an active substance such as cytotoxic moiety; an imaging moiety; or an Ig fragment. The targeting complex of the invention serves as a therapeutic agents for the treatment of pathologies associated with viral infections or cancer and for the imaging and monitoring of cancer.
Abstract:
The invention relates to use of the natural cytotoxicity receptor NKp46 for preventing and treating diabetes, including type I diabetes (TID) and type 2 diabetes. In particular, the invention provides compositions comprising a fragment of the extracellular region of NKp46 for preventing the onset and progression of diabetes.
Abstract:
The present invention relates in general to specific NCR-derived peptides capable of binding to membrane-associated biomolecules of the tumor cells, said biomolecules comprising at least one sulfated polysaccharide. Preferred peptides are about 7 to about 120 amino acids in length and are derived from NKp-44, NKp30 or NKp46.
Abstract:
The present invention provides improved vaccines comprising an isolated viral antigenic peptide and a synthetic peptide derived from a T cell epitope of HSP60. The invention includes mixtures where the peptide serves as an adjuvant as well as conjugates where the peptide is covalently linked to the viral antigen. The known synthetic peptide carrier, p458, provides significantly improved immunogenicity for synthetic viral epitopes and analogs. Ec27 is a novel peptide derived from HSP60 which increases the immunogenicity substantially of the viral antigen both as a mixture or a covalent conjugate. Some of the isolated viral epitopes are novel and are claimed for diagnostic as well as therapeutic or prophylactic uses.
Abstract:
The present invention relates in general to specific NCR-derived peptides capable of binding to membrane-associated biomolecules of the tumor cells, said biomolecules comprising at least one sulfated polysaccharide. Preferred peptides are about 7 to about 120 amino acids in length and are derived from NKp-44, NKp30 or NKp46.