Abstract: The present invention provides vaccine compositions useful in prevention and treatment of Chlamydia sp. (e.g., C. trachomatis or C. pneumoniae) infection. Provided are polypeptide vaccine antigens comprising Chlamydia HtrA-derived sequences, including epitopic fragments, analogs, derivatives, and variants. Also provided are a method for inducing an immune response to a subject against Chlamydia infection, a method for preventing Chlamydia infection, or a method for treating a disease or symptom caused by or resulting from infection with Chlamydia, for instance, C. trachomatis or C. pneumoniae. In one embodiment, the present invention is drawn to C. trachomatis HtrA, which induces a cellular immune response and imparts partial protective immunity in vivo.

Abstract: The invention discloses the Chlamydia PMPE and PMPI polypeptide, polypeptides derived therefrp, (PMP-derived polypeptides), nucleotide sequences encoding said polypeptides, antibodies that specifically bind the PMP polypeptides and PMP-derived polypeptides and T-cells specific for PMP polypeptides and PMP-derived polypeptides. Also disclosed are prophylactic and therapeutic compositions, including immunogenic compositions, e.g., vaccines, comprising PMP polypeptides or PMP-derived polypeptides or antibodies thereto. The invention additionally discloses methods of inducing in animals an immune response to Chlamydia cells, Chlamydia elementary bodies, and/or cells expressing Chlamydial proteins, e.g., cell infected with Chlamydia.

Abstract: The present invention is directed to providing a vaccine to enhance the immune response of an animal in need of protection against a Chlamydia infection. The present invention is also directed toward an isolated nucleic acid encoding a polypeptide comprising at least 70% identity to any one of SEQ ID NOS: 2, 11, 13, 19, or 21, wherein the polypeptide is soluble in the absence of denaturing agents. In some aspects of the invention, the polynucleotide is codon-optimized. In some embodiments, the present invention is related to the polypeptide encoded by the polynucleotide of the invention. Administration of polypeptides of the present invention can be used as a method to treat or prevent a Chlamydia infection in an animal in need thereof.

Abstract: The invention discloses the Chlamydia PMPE and PMPI polypeptide, polypeptides derived therefrom, (PMP-derived polypeptides), nucleotide sequences encoding said polypeptides, antibodies that specifically bind the PMP polypeptides and PMP-derived polypeptides and T-cells specific for PMP polypeptides and PMP-derived polypeptides. Also disclosed are prophylactic and therapeutic compositions, including immunogenic compositions, e.g., vaccines, comprising PMP polypeptides or PMP-derived polypeptides or antibodies thereto. The invention additionally discloses methods of inducing in animals an immune response to Chlamydia cells, Chlamydia elementary bodies, and/or cells expressing Chlamydial proteins, e.g., cell infected with Chlamydia.

Abstract: The invention discloses the Chlamydia PMPE and PMPI polypeptide, polypeptides derived therefrp, (PMP-derived polypeptides), nucleotide sequences encoding said polypeptides, antibodies that specifically bind the PMP polypeptides and PMP-derived polypeptides and T-cells specific for PMP polypeptides and PMP-derived polypeptides. Also disclosed are prophylactic and therapeutic compositions, including immunogenic compositions, e.g., vaccines, comprising PMP polypeptides or PMP-derived polypeptides or antibodies thereto. The invention additionally discloses methods of inducing in animals an immune response to Chlamydia cells, Chlamydia elementary bodies, and/or cells expressing Chlamydial proteins, e.g., cell infected with Chlamydia.

Abstract: A high molecular weight (“HMW”) protein of Chlamydia, the amino acid sequence thereof, and antibodies that specifically bind the HMW protein are disclosed as well as the nucleic acid sequence encoding the same. Also disclosed are prophylactic and therapeutic compositions, comprising the HMW protein, a fragment thereof, or an antibody that specifically binds the HMW protein or a portion thereof, or the nucleotide sequence encoding the HMW protein or a fragment thereof, including vaccines.

Abstract: The invention discloses the Chlamydia PMPE and PMPI polypeptide, polypeptides derived thereof (PMP-derived polypeptides), nucleotide sequences encoding said polypeptides, antibodies that specifically bind the PMP polypeptides and PMP-derived polypeptides and T-cells specific for PMP polypeptides and PMP-derived polypeptides. Also disclosed are prophylactic and therapeutic compositions, including immunogenic compositions, e.g., vaccines, comprising PMP polypeptides or PMP-derived polypeptides or antibodies thereto. The invention additionally discloses methods of inducing in animals an immune response to Chlamydia cells, Chlamydia elementary bodies, and/or cells expressing Chlamydial proteins, e.g., cell infected with Chlamydia.

Abstract: A high molecular weight (“HMW”) protein of chlamydia, the amino acid sequence thereof, and antibodies that specifically bind the HMW protein are disclosed as well as the nucleic acid sequence encoding the same. Also disclosed are prophylactic and therapeutic compositions, comprising the HMW protein, a fragment thereof, or an antibody that specifically binds the HMW protein or a portion thereof, or the nucleotide sequence encoding the HMW protein or a fragment thereof, including vaccines.

Abstract: A high molecular weight (“HMW”) protein of Chlamydia, the amino acid sequence thereof, and antibodies that specifically bind the HMW protein are disclosed as well as the nucleic acid sequence encoding the same. Also disclosed are prophylactic and therapeutic compositions, comprising the HMW protein, a fragment thereof, or an antibody that specifically binds the HMW protein or a portion thereof, or the nucleotide sequence encoding the HMW protein or a fragment thereof, including vaccines.

Abstract: A high molecular weight (“HMW”) protein of Chlamydia, the amino acid sequence thereof, and antibodies that specifically bind the HMW protein are disclosed as well as the nucleic acid sequence encoding the same. Also disclosed are prophylactic and therapeutic compositions, comprising the HMW protein, a fragment thereof, or an antibody that specifically binds the HMW protein or a portion thereof, or the nucleotide sequence encoding the HMW protein or a fragment thereof, including vaccines.

Abstract: A high molecular weight (“HMW”) protein of Chlamydia, the amino acid sequence thereof, and antibodies that specifically bind the HMW protein are disclosed as well as the nucleic acid sequence encoding the same. Also disclosed are prophylactic and therapeutic compositions, comprising the HMW protein, a fragment thereof, or an antibody that specifically binds the HMW protein or a protein thereof, or the nucleotide sequence encoding the HMW protein or a fragment thereof, including vaccines.

Abstract: The invention discloses the Neisseria meningitidis NMASP polypeptide, polypeptides derived therefrom (NMASP-derived polypeptides), nucleotide sequences encoding said polypeptides, and antibodies that specifically bind the NMASP polypeptide and/or NMASP-derived polypeptides. Also disclosed are prophylactic or therapeutic compositions, including immunogenic compositions, e.g., vaccines, comprising NMASP polypeptide and/or a NMASP-derived polypeptide. The invention additionally discloses methods of inducing a immune response to Neisseria meningitidis and Neisseria meningitidis NMASP polypeptide and an NMASP-derived polypeptide in animals.

Abstract: A high molecular weight (“HMW”) protein of chlamydia, the amino acid sequence thereof, and antibodies that specifically bind the HMW protein are disclosed as well as the nucleic acid sequence encoding the same, Also disclosed are prophylactic and therapeutic compositions, comprising the HMW protein, a fragment thereof, or an antibody that specifically binds the HMW protein or a portion thereof, or the nucleotide sequence encoding the HMW protein or a fragment thereof, including vaccines.

Abstract: The invention discloses Helicobacter HP30 or HP56 polypeptide, polypeptides derived thereof (HP30-derived or HP56-derived polypeptides), nucleic acids encoding said polypeptides, antibodies that specifically bind the HP30, HP56, HP30-derived or HP56-derived polypeptides and T cells specific for HP30, HP56, HP30-derived or HP56-derived polypeptide. Also disclosed are prophylactic or therapeutic compositions, including immunogenic compositions, e.g. vaccines, comprising HP30, HP56, HP30-derived or HP56-derived polypeptides, nucleic acids encoding the same or antibodies thereto. The invention additionally discloses methods of inducing in animals an immune response to Helicobacter cells or antigens.

Abstract: The invention discloses the Neisseria spp. NGSP polypeptide, polypeptides derived therefrom (NGSP-derived polypeptides), nucleotide sequences encoding said polypeptides, and antibodies that specifically bind the NGSP polypeptide and/or NGSP-derived polypeptides. Also disclosed are prophylactic or therapeutic compositions, including antigenic, preferably immunogenic compositions, e.g., vaccines, comprising NGSP polypeptide and/or a NGSP-derived polypeptide or antibodies thereto. The invention additionally discloses methods of inducing an immune response to Neisseria and Neisseria NGSP polypeptide and an NGSP-derived polypeptide in animals.

Abstract: A high molecular weight (“HMW”) protein of Chlamydia, the amino acid sequence thereof, and antibodies that specifically bind the HMW protein are disclosed as well as the nucleic acid sequence encoding the same. Also disclosed are prophylactic and therapeutic compositions, comprising the HMW protein, a fragment thereof, or an antibody that specifically binds the HMW protein or a portion thereof, or the nucleotide sequence encoding the HMW protein or a fragment thereof, including vaccines.

Abstract: The invention discloses the Chlamydia PMPE and PMPI polypeptide, polypeptides derived therefrp, (PMP-derived polypeptides), nucleotide sequences encoding said polypeptides, antibodies that specifically bind the PMP polypeptides and PMP-derived polypeptides and T-cells specific for PMP polypeptides and PMP-derived polypeptides. Also disclosed are prophylactic and therapeutic compositions, including immunogenic compositions, e.g., vaccines, comprising PMP polypeptides or PMP-derived polypeptides or antibodies thereto. The invention additionally discloses methods of inducing in animals an immune response to Chlamydia cells, Chlamydia elementary bodies, and/or cells expressing Chlamydial proteins, e.g., cell infected with Chlamydia.

Abstract: The invention discloses the Neisseria meningitidis NMASP polypeptide, polypeptides derived therefrom (NMASP-derived polypeptides), nucleotide sequences encoding said polypeptides, and antibodies that specifically bind the NMASP polypeptide and/or NMASP-derived polypeptides. Also disclosed are prophylactic or therapeutic compositions, including immunogenic compositions, e.g., vaccines, comprising NMASP polypeptide and/or a NMASP-derived polypeptide. The invention additionally discloses methods of inducing a immune response to Neisseria meningitidis and Neisseria meningitidis NMASP polypeptide and an NMASP-derived polypeptide in animals.

Abstract: A high molecular weight (“HMW”) protein of Chlamydia, the amino acid sequence thereof, and antibodies that specifically bind the HMW protein are disclosed as well as the nucleic acid sequence encoding the same. Also disclosed are prophylactic and therapeutic compositions, comprising the HMW protein, a fragment thereof, or an antibody that specifically binds the HMW protein or a portion thereof, or the nucleotide sequence encoding the HMW protein or a fragment thereof, including vaccines.

Abstract: The invention discloses Helicobacter HP30 or HP56 polypeptide, polypeptides derived thereof (HP30-derived or HP56-derived polypeptides), nucleotide sequences encoding said polypeptides, antibodies that specifically bind the HP30, HP56, HP30-derived or HP56-derived polypeptides and T cells specific for HP30, HP56, HP30-derived or HP56-derived polypeptide. Also disclosed are prophylactic or therapeutic compositions, including immunogenic compositions, e.g. vaccines, comprising HP30, HP56, HP30-derived or HP56-derived polypeptides, nucleic acids encoding the same or antibodies thereto. The invention additionally discloses methods of inducing in animals an immune response to Helicobacter cells.