Patents Assigned to Chiron
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Patent number: 7186407Abstract: Compositions and methods for treating peripheral artery disease in a patient are provided. Compositions comprise recombinant fibroblast growth factor-2. Fibroblast growth factor, such as FGF-2, is administered in therapeutically effective amounts to treat or prevent peripheral artery disease including claudication and critical limb ischemia. Pharmaceutical compositions comprising a therapeutically effective amount of FGF-2 and a pharmaceutically acceptable carrier are also provided. The methods of the invention to treat peripheral artery disease and claudication comprise administering at least a single dose of a pharmaceutical composition comprising the FGF, such as FGF-2, via intra-arterial, intravenous, or intramuscular infusion to the patient. It is recognized that increased benefits may result from multiple dosing, including intermittent dosing.Type: GrantFiled: May 14, 2004Date of Patent: March 6, 2007Assignee: Chiron CorporationInventor: Martha Jo Whitehouse
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Patent number: 7179457Abstract: The invention provides a nodavirus RNA1 molecule modified to include a heterologous insertion which is downstream of its replicase ORF and, preferably, its B2 ORF. The insertion preferably comprises one or more protein-coding regions. The modified RNA1 may be packaged in a VLP, such as a papillomavirus VLP. The small size of nodavirus RNA1 makes it ideal for HPV packaging.Type: GrantFiled: March 26, 2001Date of Patent: February 20, 2007Assignee: Chiron S.r.l.Inventors: Giuliano Bensi, Alessio Zippo
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Publication number: 20070036828Abstract: This application relates to improved Group B Streptococcus (“GBS”) saccharide-based vaccines comprising combinations of GBS polysaccharides with polypeptide antigens, and vice versa, such that the polypeptide and the saccharide each contribute to the immunological response in a recipient. The combination is particularly advantageous where the saccharide and polypeptide are from different GBS serotypes. The combined antigens may be present as a simple combination where separate saccharide and polypeptide antigens are administered together, or they may be present as a conjugated combination, where the saccharide and polypeptide antigens are covalently linked to each other.Type: ApplicationFiled: September 15, 2003Publication date: February 15, 2007Applicant: CHIRON CORPORATIONInventors: Rino Rappuoli, John Telford, Guido Grandi
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Patent number: 7175838Abstract: The invention provides a method of treating or preventing a pathologic state in a mammal. The method comprises administering to the mammal a promoter of T-cell expansion and an inducer of CD40 stimulation, wherein CD40 is stimulated on cells of the immune system. The promoter of T-cell expansion and inducer of CD40 stimulation are administered in synergistically effective amounts to treat or prevent the pathologic state in the mammal. The invention also provides a method of assessing the effectiveness of treatment of a pathologic state in a mammal, wherein the mammal has been administered a promoter of T-cell expansion and an inducer of CD40 stimulation, wherein CD40 is stimulated on cells of the immune system.Type: GrantFiled: August 23, 2002Date of Patent: February 13, 2007Assignees: The United States of America represented by the Department of Health and Human Services, University of Minnesota, Chiron CorporationInventors: William J. Murphy, Robert Wiltrout, Bruce Blazar, Susan E. Wilson
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Publication number: 20070026021Abstract: This invention provides, among other things, protein, polypeptides, and fragments thereof, derived from bacteria Neisseria meningitidis B. Also provided are nucleic acids encoding for such proteins, polypeptides, and/or fragments, as well as nucleic acids complementary thereto (e.g., antisense nucleic acids). Additionally, this invention provides antibodies which bind to the proteins, polypeptides, and/or fragments. This invention further provides expression vectors useful for making the proteins, polypeptides, fragments, and/or nucleic acids, for use as vaccines, diagnostic reagents, immunogenic compositions, and the like. Methods of making the compositions and methods of treatment with the compositions are also provided. This invention also provides methods of detecting the proteins, polypeptides, fragments and/or nucleic acids.Type: ApplicationFiled: March 31, 2006Publication date: February 1, 2007Applicant: Chiron S.r.I.Inventors: Claire Fraser, Cesira Galeotti, Guido Grandi, Erin Hickey, Vega Masignani, Marirosa Mora, Jeremy Peterson, Mariagrazia Pizza, Rino Rappuoli, Giulo Ratti, Vincenzo Scarlato, Maria Scarselli, Herve Tettelin, Craig Venter
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Patent number: 7169392Abstract: The present invention pertains generally to novel Neisseria meningitidis serogroup B glycoconjugates. More particularly, the invention pertains to glycoconjugates formed from a Neisseria meningitidis serogroup B capsular oligosaccharide derivative (MenB OS derivative) in which sialic acid residue N-acetyl groups are replaced with N-acyl groups. The invention also pertains to vaccine formulations containing the glycoconjugates, methods of making the vaccine formulations, and methods of using the vaccine formulations to treat or prevent Neisseria meningitidis serogroup B or E. coli K1 disease in a mammalian subject.Type: GrantFiled: August 19, 2003Date of Patent: January 30, 2007Assignee: Chiron SrlInventor: Robert Seid
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Patent number: 7167819Abstract: The present invention provides a fast and efficient method for determining the three-dimensional conformation of a protein. The steps of the method of the invention include: 1) formation of physical distance constraints, e.g., forming intramolecular chemical crosslinks of known size between residues of a protein; 2) enriching the number of the molecules that have intramolecular chemical crosslinks in the reaction pool, e.g., using size separation to remove proteins with intermolecular bonds; 3) exposing the enriched reaction pool to a protease that cuts the protein at specific sites to produce peptide fragments; 4) measuring the size of the peptide fragments to determine linkage sites with a certain spatial relationship in the protein; and 5)interpreting the data produced to determine spatial geometry and protein structure based on the deduced spatial relationship of the linkage sites.Type: GrantFiled: May 26, 2000Date of Patent: January 23, 2007Assignees: Chiron Corporation, The Regents of the University of CaliforniaInventors: Bradford W. Gibson, Irwin D. Kuntz, Ning Tang, Gavin Dollinger, Connie M. Oshiro, Judith C. Hempel, Eric W. Taylor, Malin Young
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Patent number: 7165919Abstract: In a machine tool (10) with a machine base (11), a working area (14), in which workpieces (13) are machined, and a device (25), which receives chips (24) formed during machining of the workpieces (13) from the working area (14) and conveys them onward, at least one tunnel (31, 33) provided for receiving one end (39) of a chip conveyor (38) is provided in the machine base (11), which tunnel extends at least to below the device (25) and is there of upwardly open (28) design.Type: GrantFiled: September 2, 2005Date of Patent: January 23, 2007Assignee: Chiron-Werke GmbH & Co. KGInventors: Anton Richard Schweizer, Hans-Henning Winkler
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Patent number: 7166446Abstract: Compositions and methods for expression of heterologous mammalian proteins and their secretion in the biologically active mature form using a yeast host cell as the expression system are provided. Compositions of the invention are nucleotide sequences encoding a signal peptide sequence for a yeast secreted protein, an optional leader peptide sequence for a yeast secreted protein, a native propeptide leader sequence for a mature protein of interest, and a sequence for the mature protein of interest, all operably linked to a yeast promoter. Each of these elements is associated with a processing site recognized in vivo by a yeast proteolytic enzyme. Any or all of these processing sites may be a preferred processing site that has been modified or synthetically derived for more efficient cleavage in vivo. The compositions are useful in methods for expression of heterologous mammalian proteins and their secretion in the biologically active mature form.Type: GrantFiled: January 28, 2005Date of Patent: January 23, 2007Assignee: Chiron CorporationInventor: Patricia Tekamp-Olson
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Publication number: 20070014765Abstract: Methods for treating renal cell carcinoma using low doses of IL-2 are disclosed. In particular, the invention relates to methods of treating metastatic renal cell carcinoma in patients who are renally impaired and/or intolerant of high dose IL-2 therapy. The therapeutic regimen described herein significantly inhibits tumor growth with reduced toxicity and adverse side effects compared to high dose IL-2 therapy.Type: ApplicationFiled: January 27, 2006Publication date: January 18, 2007Applicant: Chiron CorporationInventors: Laurence Elias, Gary Witherell
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Patent number: 7163924Abstract: Antimicrobial ketolide compounds are provided having the formula (A): as well as pharmaceutically acceptable salts, esters or prodrugs thereof, pharmaceutical compositions comprising such compounds, methods of treating bacterial infections by the administration of such compounds, and processes for the preparation of the compounds.Type: GrantFiled: April 23, 2004Date of Patent: January 16, 2007Assignee: Chiron CorporationInventors: Matthew Burger, Daniel Chu
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Publication number: 20070003566Abstract: The invention relates to polyepitope carrier proteins that comprise at least five CD4+T cell epitopes, for conjugation to capsular polysaccharides. The carrier proteins are use useful as components of vaccines that can elicit a T-cell dependent immune response. These vaccines are particularly useful to confer protection against infection from encapsulated bacteria in infants between the ages of 3 months and about 2 years.Type: ApplicationFiled: January 6, 2005Publication date: January 4, 2007Applicant: Chiron S.P.A.Inventors: Rino Rappuoli, Guido Grandi
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Publication number: 20060292175Abstract: Chimeric alphaviruses and alphavirus replicon particles are provided including methods of making and using same. Specifically, alphavirus particles are provided having nucleic acid molecules derived from one or more alphaviruses and structural proteins (capsid and/or envelope) from at least two or more alphaviruses. Methods of making, using, and therapeutic preparations containing the chimeric alphavirus particle, are disclosed.Type: ApplicationFiled: April 3, 2006Publication date: December 28, 2006Applicant: Chiron CorporationInventors: John Polo, Silvia Perri, Kent Thudium
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Publication number: 20060292659Abstract: A polypeptide containing an anchor region, a protease recognition site, and a detectable signal region can be produced recombinantly and directly attached to a solid support. The polypeptide is useful for screening protease regulators, especially protease inhibitors.Type: ApplicationFiled: August 1, 2005Publication date: December 28, 2006Applicant: Chiron CorporationInventors: David Chien, Mark Selby, Kevin Shoemaker, Robert Warne
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Publication number: 20060292556Abstract: A family of cDNA sequences derived from hepatitis C virus (HCV) are provided. These sequences encode antigens which react immunologically with antibodies present in individuals with non-A non-B hepatitis (NANBV), but which are absent from individuals infected with hepatitis A virus, or hepatitis B virus, and also are absent in control individuals. The HCV cDNA sequences lack substantial homology to the sequences of hepatitis delta virus (HDV) and HBV. A comparison of the sequences of amino acids encoded in the HCV cDNA with the sequences of Flaviviruses indicated that HCV may be related to the Flaviviruses. The HCV cDNA sequences and the polypeptides encoded therein are useful as reagents for the detection and therapy of HCV. The reagents provided in the invention are also useful for the isolation of NANBV agent(s), for the propagation of these agents in tissue culture, and for the screening of antiviral agents for HCV.Type: ApplicationFiled: November 9, 2005Publication date: December 28, 2006Applicant: Chiron CorporationInventors: Michael Houghton, Qui-Lim Choo, George Kuo
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Patent number: 7153682Abstract: Provided are peptidomimetic protein-binding arrays, their manufacture, use, and application. The protein-binding array elements of the invention include a peptidomimetic segment linked to a solid support via a stable anchor. The invention contemplates peptidomimetic array element library synthesis, distribution, and spotting of array elements onto solid planar substrates, labeling of complex protein mixtures, and the analysis of differential protein binding to the array. The invention also enables the enrichment or purification, and subsequent sequencing or structural analysis of proteins that are identified as differential by the array screen. Kits including proteomic microarrays in accordance with the present invention are also provided.Type: GrantFiled: July 3, 2002Date of Patent: December 26, 2006Assignee: Chiron CorporationInventors: Deborah Charych, Eric Beausoleil, Ronald N. Zuckermann
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Patent number: 7148058Abstract: Provided are protein microarrays, their manufacture, use, and application. Protein microarrays in accordance with the present invention are useful in a variety preoteomic analyses. Various protein arrays in accordance with the present invention may immobilize large arrays of proteins that may be useful for studying protein-protein interactions to improve understanding of disease processes, facilitating drug discovery, or for identifying potential antigens for vaccine development. The protein array elements of the invention are native or modified proteins (e.g., antibodies or fusion proteins). The protein array elements may be attached directly to a organic functionalized mirrored substrate by a binding reaction between functional groups on the substrate (e.g., amine) and protein (e.g., activated carboxylic acid). Techniques for chemical blocking of the arrays are also provided.Type: GrantFiled: July 3, 2002Date of Patent: December 12, 2006Assignee: Chiron CorporationInventors: Deborah Charych, Ronald N. Zuckermann
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Publication number: 20060275315Abstract: The invention provides proteins from group B streptococcus (Streptococcus agalactiae) and group A streptococcus (Streptococcus pyogenes), including amino acid sequences and the corresponding nucleotide sequences.Type: ApplicationFiled: May 2, 2003Publication date: December 7, 2006Applicants: CHIRON Srl, THE INSTITUTE FOR GENOMIC RESEARCHInventors: John Telford, Vega Masignani, Immaculada Margarit Y Ros, Guido Grandi, Claire Fraser, Herve Tettelin
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Publication number: 20060269515Abstract: Novel human interleukin-2 (IL-2) muteins or variants thereof, and nucleic acid molecules and variants thereof are provided. Methods for producing these muteins as well as methods for stimulating the immune system of an animal are also disclosed. In addition, the invention provides recombinant expression vectors comprising the nucleic acid molecules of this invention and host cells into which expression vectors have been introduced. Pharmaceutical compositions are included comprising a therapeutically effective amount of a human IL-2 mutein of the invention and a pharmaceutically acceptable carrier. The IL-2 muteins have lower toxicity than native IL-2 or Proleukin® IL-2, while maintaining or enhancing NK cell-mediated effects, and can be used in pharmaceutical compositions for use in treatment of cancer, and in stimulating the immune response.Type: ApplicationFiled: December 16, 2005Publication date: November 30, 2006Applicant: Chiron CorporationInventors: Kimberly Denis-Mize, Carla Heise, Daniel Menezes, Susan Wilson
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Patent number: 7141244Abstract: This invention provides polypeptides of Helicobacter pylori cytotoxin associated immunodominant (CAI) antigen. The invention also provides prophylactic and therapeutic vaccines comprising polypeptides of Helicobacter pylori CAI antigen, and methods for their preparation. The invention also provides methods of treatment of Helicobactor pylori infection using these vaccines.Type: GrantFiled: July 26, 1999Date of Patent: November 28, 2006Assignee: Chiron SRLInventors: Antonello Covacci, Massimo Bugnoli, John Telford, Giovanni Macchia, Rino Rappuoli