Bordetella Pertussis Patents (Class 424/254.1)
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Patent number: 9315553Abstract: The present invention encompasses vaccines or compositions comprising the chimeric KSAC protein that possesses immunogenic and protective properties, and methods of use including administering to an animal the antigenic KSAC protein thereof to protect animals. The invention also encompasses methods for making and producing the soluble, disaggregated, refolded or active proteins from inclusion bodies produced from prokaryotes or eukaryotes.Type: GrantFiled: August 30, 2013Date of Patent: April 19, 2016Assignee: MERIAL, INC.Inventors: Laurent Bernard Fischer, Nicolas Pierre Yves Carboulec, Fabien Lux
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Publication number: 20150147332Abstract: An isolated protein or peptide selected from the group consisting of Bordetella colonization factor A (BcfA) protein and antigenic fragments thereof is described, along with an isolated nucleic acid encoding the same, antibodies that bind to the same, methods of producing an immune response in a mammalian subject in need thereof by administering the proteins, peptides or antibodies, and pharmaceutical compositions comprising the same.Type: ApplicationFiled: September 26, 2014Publication date: May 28, 2015Inventors: Rajendar K. Deora, Meenu Mishra, Neelima Sukumar
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Patent number: 9023319Abstract: Provided herein are methods for immunizing children under six months of age by administering to the child a pharmaceutical composition comprising at least one antigen derived from an influenza virus.Type: GrantFiled: October 12, 2007Date of Patent: May 5, 2015Assignee: Sanofi Pasteur Inc.Inventor: Michael Decker
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Publication number: 20150071879Abstract: An aqueous composition having increased protein stability is obtained by: a. determining a pH at which the protein has stability at the desired temperature; b. adding to the composition at least one displacement buffer wherein the displacement buffer has a pKa that is at least 1 unit greater or less than the pH of step (a); and c. adjusting the pH of the composition to the pH of step (a); wherein the aqueous composition does not comprise a conventional buffer at a concentration greater than about 2 mM and wherein the conventional buffer has a pKa that is within 1 unit of the pH of step (a).Type: ApplicationFiled: October 17, 2014Publication date: March 12, 2015Inventor: Jan JEZEK
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Patent number: 8956625Abstract: The present invention relates to the field of vaccines for protecting against polio, and in particular to combination vaccines for protecting against polio, diphtheria, tetanus, and pertussis diseases. Specifically, vaccines comprising reduced dose inactivated poliovirus are provided.Type: GrantFiled: September 7, 2007Date of Patent: February 17, 2015Assignee: GlaxoSmithKline Biologicals, S.A.Inventors: Herve De Hemptinne, Michel Duchene, Anne Mary, Marc Sonveaux
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Patent number: 8916173Abstract: Described are acellular pertussis (aP) vaccine compositions comprising Bordetella pertussis antigens pertussis toxoid (PT), filamentous hemagglutinin (FHA), and fimbriae types 2 and 3 (FIM), and optionally pertactin (PRN), wherein FIM is present in an amount of 12-100 ?g per human dose.Type: GrantFiled: March 6, 2014Date of Patent: December 23, 2014Assignee: Crucell Holland B.V.Inventor: Jan Theunis Poolman
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Publication number: 20140341974Abstract: A vaccine adjuvant composition comprising: a lipid selected from the group consisting of: dipalmitoyl phosphatidicholine (DPPC), dipalmitoyl phosphatidylglycerol (DPPG), dioleoyl phosphatidylcholine (DOPC), and cholesterol and containing a positively or negatively charged lipid with associated/entrapped protein antigen.Type: ApplicationFiled: March 17, 2014Publication date: November 20, 2014Inventors: Aryo Sorayya, Mitra Mosharraf, Rajiv Nayar
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Publication number: 20140328876Abstract: In one aspect, the present disclosure provides compounds of formulae (I) and (II). In another aspect, a compound of formula (I) or (II) is formulated into compositions with an antigen, optionally with a vesicle. In some embodiments, compositions are administered intramuscularly.Type: ApplicationFiled: November 16, 2012Publication date: November 6, 2014Inventor: Maura Ellen Campbell
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Publication number: 20140294894Abstract: The present invention provides materials and methods to facilitate the transcutaneous delivery of therapeutic agents. In some embodiments, agonists of tight junctions are used in compositions to facilitate the uptake of therapeutic agents from the skin. In a particular embodiment, the present invention provides immunogenic compositions comprising a tight junction agonist and an antigen. In a particular embodiment, the present invention provides vaccine compositions comprising a tight junction agonist and an antigen.Type: ApplicationFiled: April 2, 2014Publication date: October 2, 2014Applicant: Alba Therapeutics CorporationInventors: Dorothea Sesardic, Blake Paterson
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Publication number: 20140287043Abstract: Provided herein are methods and compositions for stabilization of active agents. The active agents are distributed, mixed or embedded in a silk fibroin matrix, thereby retaining the bioactivity of the active agents upon storage and/or transportation. In some embodiments, the storage-stable vaccine-silk compositions are also provided herein.Type: ApplicationFiled: April 23, 2012Publication date: September 25, 2014Applicant: TRUSTEES OF TUFTS COLLEGEInventors: David L. Kaplan, Fiorenzo Omenetto
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Publication number: 20140234404Abstract: The invention provides compositions comprising liposomes, an antigen capable of inducing a humoral immune response, a carrier comprising a continuous phase of a hydrophobic substance, and an adjuvant that activates or increases the activity of TLR2. The invention also provides uses for such compositions in inducing a humoral response and methods for their use in the treatment of a disease, disorder or ailment ameliorated by a humoral immune response.Type: ApplicationFiled: October 5, 2012Publication date: August 21, 2014Inventors: Marc Mansour, Lisa Diana MacDonald, Genevieve Mary Weir, Leeladhar Sammatur, Kendall Sharp
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Patent number: 8728491Abstract: The present invention provides materials and methods to facilitate the transcutaneous delivery of therapeutic agents. In some embodiments, agonists of tight junctions are used in compositions to facilitate the uptake of therapeutic agents from the skin. In a particular embodiment, the present invention provides immunogenic compositions comprising a tight junction agonist and an antigen. In a particular embodiment, the present invention provides vaccine compositions comprising a tight junction agonist and an antigen.Type: GrantFiled: May 7, 2008Date of Patent: May 20, 2014Assignee: Alba Therapeutics CorporationInventors: Dorothea Sesardic, Blake Paterson
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Publication number: 20140065187Abstract: The invention relates to hyperbaric devices for inactivating microorganisms and viruses while retaining their immunogenicity and for making and producing the soluble, disaggregated, refolded or active immunogenic or therapeutic proteins from inclusion bodies produced from prokaryotes or eukaryotes. The invention encompasses hyperbaric methods for inactivating pathogenic organisms, and methods for producing vaccine compositions using the inactivated pathogens. The hyperbarically inactivated microorganisms are safer and more immunogenic than chemically inactivated microorganisms. Similarly, the solubilized proteins have superior properties compared to more heavily aggregated proteins, including reduced non-specific immune reactions.Type: ApplicationFiled: August 30, 2013Publication date: March 6, 2014Applicants: TOP INDUSTRIE S.A.S., MERIAL LIMITEDInventors: Nicolas Pierre Yves Carboulec, Gildas Merian, Rene Labatut, Lionel Gerentes
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Patent number: 8574589Abstract: Bordetella pertussis p69 antigen is purified by immobilized metal affinity chromatography.Type: GrantFiled: May 10, 2010Date of Patent: November 5, 2013Assignee: Novartis AGInventor: Christian A. Lease
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Patent number: 8574596Abstract: The invention provides BASB232 polypeptides and polynucleotides encoding BASB232 polypeptides and methods for producing such polypeptides by recombinant techniques. Also provided are diagnostic, prophylactic and therapeutic uses. The invention further provides immunogenic compositions comprising a plurality of antigens selected from at least two different categories of antigen, having different functions within Bordetella. Examples of such categories of antigen are autotransporter proteins, iron acquisition proteins, lipoproteins, adhesins and toxins/invasins.Type: GrantFiled: October 1, 2004Date of Patent: November 5, 2013Assignee: GlaxoSmithKline Biologicals, S.A.Inventors: Cindy Castado, Philippe Denoel, Fabrice Godfroid, Jan Poolman
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Patent number: 8569470Abstract: The present invention is related with the field of Biomedicine. It comprises the engineering of the Pertactin protein (Prn) and using it as part of bacterial vaccines, and more precisely, as part of acellular vaccines against Bordetella pertusis. The engineered Prn molecules comprise on their structure polimorfisms from different B. pertussis strains, and induce immune responses with protective capacity and opsonophagocytic activity when assayed as vaccines, higher than that generated by other pre-existing vaccines. The engineered Prn variants of the present invention are applicable in human and veterinary medicine.Type: GrantFiled: October 17, 2008Date of Patent: October 29, 2013Assignee: Centro de Ingenieria Genetica y BiotecnologiaInventors: Diógenes Quintana Vázquez, Tamara Menendez Medina, Anabel Álvarez Acosta, Yoelys Cruz Leal, Gerardo Enrique Guillen Nieto
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Publication number: 20130251745Abstract: The present invention relates to the field of vaccines and in particular to combination vaccines and co-administration schedules. The present inventors disclose that overuse of CRM in paediatric vaccines can result in bystander immune interference to certain antigens and provide solutions to this problem.Type: ApplicationFiled: May 17, 2013Publication date: September 26, 2013Applicant: Glaxosmithkline Biologicals S.A.Inventor: JAN POOLMAN
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Publication number: 20130183336Abstract: The present invention relates to a life attenuated Bordetella pertussis vaccine which is deficient for tracheal cytotoxin (TCT), pertussis toxin (PTX), and dermonecrotic toxin (DNT) for prophylaxis or treatment of an allergen-driven airway pathology.Type: ApplicationFiled: March 1, 2013Publication date: July 18, 2013Applicants: INSERM (Institut National de la Sante et de la Recherche Medicale), National University of Ireland Maynooth, Institut Pasteur de LilleInventors: Camille Locht, Bernard Mahon, Heather Kavanagh
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Patent number: 8465754Abstract: An objective of the present invention is to provide a whole-cell bacterial vaccine composition for preventing whooping cough caused by Bordetella parapertussis, comprising whole cells, whole-cell homogenate, or cell lysate of B. parapertussis as an immunogen, and methods for producing them.Type: GrantFiled: May 28, 2008Date of Patent: June 18, 2013Assignee: Kitasato Daiichi Sankyo Vaccine Co., Ltd.Inventors: Mineo Watanabe, Eiji Komatsu
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Patent number: 8431160Abstract: Immunogenic compositions are described herein which comprise microparticles that further comprise a biodegradable polymer. The microparticle compositions also comprise a cationic polysaccharide and an immunological species selected from an antigen, an immunological adjuvant and a combination thereof. Also described are methods of making such compositions and methods of administering such compositions. Methods of modulating the release rate of immunological species from microparticles are also described. These methods comprise varying the ratio of the cationic polysaccharide relative to the biodegradable polymer within the microparticles.Type: GrantFiled: February 24, 2007Date of Patent: April 30, 2013Assignee: Novartis AGInventors: Derek O'Hagan, Manmohan Singh, Janet Wendorf, Jina Kazzaz, Padma Malyala
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Publication number: 20120269847Abstract: Bordetella pertussis p69 antigen is purified by immobilised metal affinity chromatography.Type: ApplicationFiled: May 10, 2010Publication date: October 25, 2012Applicant: NOVARTIS AGInventor: Christian A. Lease
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Publication number: 20120195937Abstract: The present invention relates to immunogenic compositions comprising capsular polysaccharide or oligosaccharide of H. influenzae B (PRP) and methods of making such compositions.Type: ApplicationFiled: February 15, 2012Publication date: August 2, 2012Inventors: Nathalie Marie-Josephe GARCON, Dominique Lemoine, Florence Emilie Jeanne Francoise Wauters
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Publication number: 20120121647Abstract: The invention relates to compositions and vaccines that include a mutated Bordetella strain for treating or preventing an influenza infection in a mammal. In addition, the invention further provides methods for protecting a mammal against infection by influenza and/or eliciting an immune response against an influenza virus in a mammal using the composition or vaccine.Type: ApplicationFiled: June 15, 2009Publication date: May 17, 2012Applicants: NATIONAL UNIVERSITY OF SINGAPORE, Institut National De La Sante Et De La Recherche Medicale (INSERM), INSTITUT PASTEUR DE LILLEInventors: Sylvie Alonso, Rui Li, Vincent Chow, Camille Locht
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Publication number: 20120045430Abstract: Various nucleic acid-based matrixes are provided, comprising nucleic acid monomers as building blocks, as well as nucleic acids encoding proteins, so as to produce novel biomaterials. The nucleic acids are used to form dendrimers that are useful as supports, vectors, carriers or delivery vehicles for a variety of compounds in biomedical and biotechnological applications. In particular, the macromolecules may be used for the delivery of drugs, genetic material, imaging components or other functional molecule to which they can be conjugated. An additional feature of the macromolecules is their ability to be targeted for certain organs, tumors, or types of tissues. Methods of utilizing such biomaterials include delivery of functional molecules to cells.Type: ApplicationFiled: August 15, 2011Publication date: February 23, 2012Inventors: Dan Luo, Yougen Li
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Publication number: 20120014991Abstract: Adjuvant for mucosal vaccines which modulates the effects of substances, including vaccine antigens in contact with mucosal body surfaces.Type: ApplicationFiled: September 23, 2011Publication date: January 19, 2012Applicant: BIOTEC PHARMACON ASAInventors: Jan RAA, Aud Katherine Herland BERSTAD, Hilde Sunove Waleur BAKKE, Bjorn HANEBERG, Inger LISE HAUGEN, Johan HOLST, Liba JANAKOVA, Gro Ellen KORSVOLD, Fredrik OFTUNG
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Patent number: 8048433Abstract: The current invention provides new Gram negative polypeptides exhibiting lipid A 3-O-deacylase activity and are capable of modifying and/or detoxifying gram negative LPS. The present invention also provides Gram negative bacteria, Gram negative bacterial lipopolysaccharides (LPS) and compositions comprising LPS, which are provided with or treated with a 3-O-deacylase activity according to the invention and which may be used for pharmaceutical and/or veterinary purposes, in particular for the preparation of whole cell or acellular vaccines against pathogenic Gram negatives such as Bordetella pertussis, Bordetella parapertussis and Bordetella bronchiseptica.Type: GrantFiled: December 16, 2005Date of Patent: November 1, 2011Assignee: NVI Nederlands VaccininstituutInventors: Johannes Petrus Maria Tommassen, Peter André Van Der Ley, Jeroen Johannes Gerardus Geurtsen
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Publication number: 20110182857Abstract: Liquid pharmaceutical compositions for administration to a mucosal surface, including a therapeutic agent and a pectin with a low degree of esterification are described. Such compositions gel, or can be adapted to gel, at the site of application in the absence of an extraneous source of divalent metal ions.Type: ApplicationFiled: April 1, 2011Publication date: July 28, 2011Applicant: ARCHIMEDES DEVELOPMENT LIMITEDInventors: Peter James WATTS, Lisbeth ILLUM
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Publication number: 20110182939Abstract: The invention provides novel adjuvants and pharmaceutical composition comprising of an adjuvant alone. The invention also provides novel vaccine compositions comprising of an antigen and a novel adjuvant. The novel adjuvant as per present invention is farnesoid-X-receptor (FXR) antagonist. The invention also relates to an adjuvant for variety of antigens. The adjuvant improves antibody production specific to incorporated antigen. The adjuvant also induces cell mediated immune response.Type: ApplicationFiled: September 26, 2009Publication date: July 28, 2011Applicant: CADILA PHARMACEUTICALS LTD.Inventors: Bakulesh Mafatlal Khamar, Ambalal Indravadan Modi, Indravadan Rajiv Modi
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Patent number: 7981434Abstract: The present invention relates to a surface exposed protein, which can be detected in Moraxella catarrhalis, having an amino acid sequence as described in SEQ ID NO: 1, an apparent molecular weight of 200 kDa and a capacity of selectively binding membrane bound or soluble IgD, to an immunogenic or IgD-binding fragment of said surface exposed protein, and to an immunogenic and adhesive fragment of said surface exposed protein. DNA segments, vaccines, plasmids and phages, non human hosts, recombinant DNA molecules and plants, fusion proteins and polypeptides and fusion products are also described. A method of detecting IgD, a method of separating IgD, a method of isolation of a surface exposed protein of Moraxella catarrhalis and a method for treatment of an autoimmune disease are also disclosed.Type: GrantFiled: May 21, 2008Date of Patent: July 19, 2011Assignee: Arne Forsgren et al.Inventors: Arne Forsgren, Kristian Riesbeck, Håkan Jansson
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Publication number: 20110142881Abstract: The present invention provides materials and methods to facilitate the transcutaneous delivery of therapeutic agents. In some embodiments, agonists of tight junctions are used in compositions to facilitate the uptake of therapeutic agents from the skin. In a particular embodiment, the present invention provides immunogenic compositions comprising a tight junction agonist and an antigen. In a particular embodiment, the present invention provides vaccine compositions comprising a tight junction agonist and an antigen.Type: ApplicationFiled: May 7, 2008Publication date: June 16, 2011Applicant: Alba Therapeutics CorporationInventors: Dorothea Sesardic, Blake Paterson
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Publication number: 20110135679Abstract: The invention provides, inter alia, immunogenic compositions that comprise (a) a first antigen, (b) at least first and second adjuvants, wherein the first adjuvant comprises microparticles and wherein the second adjuvant comprises an imidazoquinoline compound, and (c) a pharmaceutically acceptable excipient, which compositions elicits an immune response when administered to a vertebrate subject. The invention also provides methods of producing immunogenic compositions and methods for using immunogenic compositions (e.g., for treatment), among other benefits.Type: ApplicationFiled: December 7, 2008Publication date: June 9, 2011Applicant: NOVARTIS AGInventors: Padma Malyala, Derek O'Hagan, Manmohan Singh
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Publication number: 20110070265Abstract: The present invention is related with the field of Biomedicine. It comprises the engineering of the Pertactin protein (Prn) and using it as part of bacterial vaccines, and more precisely, as part of acellular vaccines against Bordetella pertusis. The engineered Prn molecules comprise on their structure polimorfisms from different B. pertussis strains, and induce immune responses with protective capacity and opsonophagocytic activity when assayed as vaccines, higher than that generated by other pre-existing vaccines. The engineered Prn variants of the present invention are applicable in human and veterinary medicine.Type: ApplicationFiled: October 17, 2008Publication date: March 24, 2011Inventors: Diógenes Quintana Vázquez, Tamara Menendez Medina, Anabel Álvarez Acosta, Yoelys Cruz Leal, Gerardo Enrique Guillen Nieto
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Publication number: 20100291104Abstract: An isolated protein or peptide selected from the group consisting of Bordetella colonization factor A (BcfA) protein and antigenic fragments thereof is described, along with an isolated nucleic acid encoding the same, antibodies that bind to the same, methods of producing an immune response in a mammalian subject in need thereof by administering the proteins, peptides or antibodies, and pharmaceutical compositions comprising the same.Type: ApplicationFiled: October 23, 2008Publication date: November 18, 2010Inventors: Rajendar K. Deora, Meenu Mishra, Neelima Sukumar
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Publication number: 20100291153Abstract: The invention relates to an improved vaccine against pertussis wherein mutants of Bordetella pertussis having a modified LPS molecule or the obtainable LPS molecules are used. These mutants or the obtainable LPS molecules may further be used as an adjuvant.Type: ApplicationFiled: March 25, 2008Publication date: November 18, 2010Applicant: De Staat der Nederlanden, vert. door de minister van VWSInventors: Jeroen Johannes Gerardus Geurtsen, Johannes Petrus Maria Tommassen, Peter André Van Der Ley
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Publication number: 20100285064Abstract: The present invention provides a Withania somnifera fraction rich in withanolides and a vaccine comprising a “Withania somnifera fraction” as an adjuvant.Type: ApplicationFiled: May 5, 2010Publication date: November 11, 2010Applicant: SERUM INSTITUTE OF INDIA LTD.Inventors: Suresh Sakharam Jadhav, Bhushan Patwardhan, Manish Gautam
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Publication number: 20100285135Abstract: Disclosed herein are sterile-filtered lyophilized nanoparticle compositions which contain at least one biodegradable polymer, at least one surfactant, at least one cryoprotective agent and at least one antigen. Also disclosed are methods of making and using such compositions and kits supplying such compositions.Type: ApplicationFiled: December 1, 2006Publication date: November 11, 2010Applicant: NOVARTIS AGInventors: Janet R. Wendorf, Manmohan Singh, Derek T. O'Hagan
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Publication number: 20100260803Abstract: An objective of the present invention is to provide a whole-cell bacterial vaccine composition for preventing whooping cough caused by Bordetella parapertussis, comprising whole cells, whole-cell homogenate, or cell lysate of B. parapertussis as an immunogen, and methods for producing them.Type: ApplicationFiled: May 28, 2008Publication date: October 14, 2010Applicant: The Kitasato InstituteInventors: Mineo Watanabe, Eiji Komatsu
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Publication number: 20100239607Abstract: The invention provides, inter alia, immunogenic compositions comprising a first antigen, at least two adjuvants, wherein a first adjuvant comprises a polymer derived from poly(lactides) and/or poly(lactide-co-glycolides), and wherein a second adjuvant comprises an imidazoquinoline, wherein said first antigen is encapsulated within, adsorbed or conjugated to, co-lyophilized or mixed with said first adjuvant, and a pharmaceutically acceptable excipient, wherein said composition elicits a cellular immune response when administered to a vertebrate subject. The invention also provides methods of producing immunogenic compositions, methods for producing a cytotoxic-T lymphocyte (CTL) response in a vertebrate subject, and methods of immunization.Type: ApplicationFiled: June 1, 2010Publication date: September 23, 2010Applicant: NOVARTIS VACCINES AND DIAGNOSTICS INC.Inventors: Derek O'Hagan, Manmohan Singh
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Publication number: 20100112009Abstract: The invention relates to an immunogenic composition, characterized in that it comprises an adenyl cyclase-hemolysin (AC-Hly) protein, or an immunogenic portion of this AC-Hly, of a strain of Bordetella chosen from B. pertussis, B. parapertussis or B. bronchiseptica, and in that it comprises, in addition, a bacterial extract containing the expression products of the vrg genes of a strain of Bordetella chosen from B. pertussis, B. parapertussis or B. bronchiseptica, or a portion of these expression products which is sufficient to induce an immune response in a host to which the extract might be administered.Type: ApplicationFiled: November 3, 2008Publication date: May 6, 2010Inventors: Pascale Gueirard, Nicole Guiso
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Publication number: 20100055134Abstract: To provide a method of efficiently separate protective components of Bordetella pertussis. On the basis of differences in adsorbability to calcium phosphate gel formed by adding calcium ions to a Bordetella pertussis culture in the presence of excess phosphate ions, protective components of Bordetella pertussis are separated from the Bordetella pertussis culture. Traditionally, protective components of Bordetella pertussis have been separated using different purification methods for the respective components. According to the present invention, the use of the same means of purification for all subject components makes it possible to purify each component with high efficiency and high recovery rate, an aspect very advantageous for industrial production. It is also possible to efficiently produce an improved purified pertussis component vaccine comprising an effective combination of pertussis filamentous hemagglutinin (FHA), pertactin (PRN, 69K-OMP), pertussis fimbriae (FIM) and pertussis toxin (PT).Type: ApplicationFiled: August 27, 2009Publication date: March 4, 2010Inventors: Akihiro Suehara, Eiji Yamamoto, Shigeo Fujii
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Publication number: 20100055130Abstract: The invention provides proteins from Staphylococcus aureus, including amino acid sequences and corresponding nucleotide sequences. The proteins are useful for vaccines, immunogenic compositions, diagnostics, enzymatic studies, and as targets for antibiotics.Type: ApplicationFiled: October 6, 2009Publication date: March 4, 2010Applicant: Novartis AGInventors: Vega Masignani, Marirosa Mora, Maria Scarselli
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Patent number: 7670830Abstract: Trichoderma spp. strains with high capacity for fungus biological control in wide ranges of temperature and pH are described, such strains being compatible with each other. Likewise, a process of selection of such strains through molecular markers is described. The described process reduce the number of necessary experiments to determine if a Trichoderma strain, not previously described, can display a biological activity more acceptable than those well known.Type: GrantFiled: October 6, 2005Date of Patent: March 2, 2010Assignee: Cosmocel, SAInventors: Alfredo Heriberto Herrera-Estrella, Rafael Eduardo Galdames-Gutierrez, Jose Pedro Martinez-Hernandez
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Patent number: 7666436Abstract: New pertussis toxin (PT) mutants are described being immunologically active and having reduced or no toxicity, characterized in that at least one of the amino acid residues Glu129, Asp11, Trp26, Arg9, Phe50, Asp1, Arg13, Tyr130, Gly86, Ile88, Tyr89, Tyr8, Gly44, Thr53 and Gly80 of subunit S1 amino acid sequence is deleted and substituted by a different amino acid residue selected in the group of natural amino acids; Bordetella strains capable of providing and secreting said PT mutants and means and methods for obtaining them are also described. The Bordetella strains and the PT mutants produced by them are particularly suitable for the preparation of effective cellular and acellular antipertussis vaccines.Type: GrantFiled: May 2, 1995Date of Patent: February 23, 2010Assignee: Novartis AGInventors: Mariagrazia Pizza, Antonello Covacci, Rino Rappuoli, Luciano Nencioni
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Publication number: 20100028448Abstract: Disclosed herein are immunogenic compositions comprising a multilayer film comprising two or more layers of polyelectrolytes, wherein adjacent layers comprise oppositely charged polyelectrolytes. A first layer polyelectrolyte comprises an antigenic polypeptide comprising one or more surface adsorption regions covalently linked to one or more antigenic determinant regions, wherein the antigenic polypeptide and the one or more surface adsorption regions have the same polarity. The immunogenic compositions may be employed in methods of eliciting an immune response in a vertebrate organism.Type: ApplicationFiled: October 5, 2009Publication date: February 4, 2010Applicant: ARTIFICIAL CELL TECHNOLOGIES, INC.Inventor: Donald T. Haynie
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Publication number: 20090297559Abstract: The present invention provides materials and methods to facilitate the pulmonary delivery of therapeutic agents. In some embodiments, agonists of tight junctions (e.g., zonulin agonists) are used in compositions to facilitate the uptake of therapeutic agents from the pulmonary mucosa.Type: ApplicationFiled: July 6, 2009Publication date: December 3, 2009Inventors: Alessio FASANO, Blake Paterson
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Publication number: 20090285851Abstract: The present invention relates to an immuno-therapeutic and prophylactic vaccine comprising monocytes or immature myeloid cells (IMCs) loaded with the ligand of natural killer T cell and an antigen for the prevention and treatment of infectious disease or cancer, more precisely, an immuno-therapeutic and prophylactic vaccine comprising monocytes or IMCs loaded with ?-galactosylceramide (?GalCer), a kind of glycolipid and a natural killer T cell ligand, and antigen. Monocytes or immature myeloid cells (IMCs) therein, which are easily obtainable, unlike dendritic cells, not only induce a significant level of cytotoxic T lymphocyte responses but also have a prophylactic and therapeutic effect on malignant tumor. Therefore, the immuno-therapeutic and prophylactic vaccine of the present invention can be effectively used as an immunotherapeutic agent.Type: ApplicationFiled: November 28, 2007Publication date: November 19, 2009Applicant: SEOUL NATIONAL UNIVERSITY INDUSTRY FOUNDATIONInventors: Chang-Yuil Kang, Hyun-Jeong Ko, Jung-Mi Lee, Yeon-Jeong Kim
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Publication number: 20090181054Abstract: The present invention describes derivatized polysaccharide-protein conjugates, a composition comprising one or more of such derivatized polysaccharide-protein conjugates and methods of immunizing human patients with the same. The derivatized polysaccharide-protein conjugates are purified capsular polysaccharides from Neisseria meningitidis serogroups A, C, W-135, and Y, derivatized chemically activated and selectively attached to a carrier protein by means of a covalent chemical bond, forming polysaccharide-protein conjugates capable of eliciting long-lasting immunity to a variety of N. meningitidis strains.Type: ApplicationFiled: March 2, 2009Publication date: July 16, 2009Inventor: Robert P. Ryall
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Publication number: 20090169636Abstract: Immunogenic compositions are described herein which comprise microparticles that further comprise a biodegradable polymer. The microparticle compositions also comprise a cationic polysaccharide and an immunological species selected from an antigen, an immunological adjuvant and a combination thereof. Also described are methods of making such compositions and methods of administering such compositions. Methods of modulating the release rate of immunological species from microparticles are also described. These methods comprise varying the ratio of the cationic polysaccharide relative to the biodegradable polymer within the microparticles.Type: ApplicationFiled: February 24, 2007Publication date: July 2, 2009Inventors: Derek O' Hagan, Manmohan Singh, Janet Wendorf, Jina Kazzaz, Padma Malyala
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Publication number: 20090142362Abstract: Improved vaccine compositions and methods of use thereof are described that elicit production of antibodies in an individual to the individual's own endogenous cholesteryl ester transfer protein (CETP).Type: ApplicationFiled: November 6, 2007Publication date: June 4, 2009Applicants: Avant Immunotherapeutics, Inc., Coley Pharmaceutical Group, Inc.Inventors: Arthur M. Krieg, Lawrence J. Thomas, Charles W. Rittershaus
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Publication number: 20090117143Abstract: An immunogenic composition comprising a recombinant protein comprising a Bordetella CyaA, or a fragment thereof, and a peptide that corresponds to a tumor antigen is provided as a cancer treatment. Methods of treatment with this immunogenic composition are also provided. In an embodiment, the therapeutic composition is a treatment for melanoma, and comprises epitopes from the HLA*0201 epitope. These epitopes include Tyr or GnT-V, and are present in the recombinant proteins CyaA-E5-Tyr and CyaA-E5-GnT-V.Type: ApplicationFiled: September 12, 2008Publication date: May 7, 2009Inventors: Gilles Dadaglio, Claude Leclerc, Daniel Ladant, Benoit Van Den Eynde, Sandra Morel, Cecile Bauche