Patents Assigned to Stressgen Biotechnologies Corporation
  • Patent number: 7326574
    Abstract: Compositions and methods for detection of the stress-inducible Hsp70B? protein are disclosed. These include antibodies directed against particular amino acid regions of Hsp70B? and various peptides corresponding, or antigenically equivalent, to the regions. The ability to generate anti-Hsp70B? antibodies to defined epitopes permits a variety of in vitro and in vivo uses.
    Type: Grant
    Filed: October 3, 2006
    Date of Patent: February 5, 2008
    Assignee: Stressgen Biotechnologies Corporation
    Inventors: Heather A. Boux, Geraldine S. Wong, Henry Rodriguez
  • Patent number: 7262014
    Abstract: This document describes compositions and methods for inducing an immune response (e.g., a cellular response such as a cell-mediated cytolytic immune response) to a human papillomavirus (HPV) antigen, which can be displayed by HPV or exhibited by infected cells (e.g., cells from cervical and other tumors). The HPV protein can be joined to a stress protein by chemical conjugation or noncovalently using linking moieties, or by fusion (e.g., a recombinant fusion protein). Also described are expression vectors containing sequences encoding HPV antigens and stress proteins, which can be introduced into cells of a subject or cells ex vivo. Also described are compositions that include a stress protein linked to an HPV antigen and another pharmacologically acceptable component and stress proteinā€”HPV antigen fusions and conjugates. These compositions can be used to induce or enhance an immune response against HPV and cells that exhibit HPV antigens, including HPV-associated tumors.
    Type: Grant
    Filed: September 10, 2004
    Date of Patent: August 28, 2007
    Assignee: Stressgen Biotechnologies Corporation
    Inventors: Lee A. Mizzen, N. Randall Chu, Huacheng Bill Wu
  • Patent number: 7157089
    Abstract: The present invention relates to a vaccine for inducing an immune response to an antigen in a vertebrate (e.g., mammal) comprising an antigen and all or a portion of a stress protein or all or a portion of a protein having an amino acid sequence sufficiently homologous to the amino acid sequence of the stress protein to induce the immune response against the antigen. In a particular embodiment, the present invention relates to vaccines and compositions which induce a CTL response in a mammal comprising an antigen and all or a portion of a stress protein. In another embodiment, the invention relates to vaccines and compositions which induce an immune response to an influenza virus in a mammal comprising an antigen of the influenza virus and all or a portion of one or more stress proteins. The invention also relates to vaccines and compositions for inducing a CTL response to a tumor-associated antigen comprising a tumor-associated antigen and all or a portion of the stress protein.
    Type: Grant
    Filed: November 25, 1997
    Date of Patent: January 2, 2007
    Assignee: Stressgen Biotechnologies Corporation
    Inventors: Lee Mizzen, Lawrence S. D. Anthony, Huacheng Bill Wu, Marvin Siegel
  • Patent number: 7138247
    Abstract: Compositions and methods for detection of the stress-inducible Hsp70B? protein are disclosed. These include antibodies directed against particular amino acid regions of Hsp70B? and various peptides corresponding, or antigenically equivalent, to the regions. The ability to generate anti-Hsp70B? antibodies to defined epitopes permits a variety of in vitro and in vivo uses.
    Type: Grant
    Filed: March 25, 2005
    Date of Patent: November 21, 2006
    Assignee: Stressgen Biotechnologies Corporation
    Inventors: Heather A. Boux, Geraldine S. Wong, Henry Rodriguez
  • Patent number: 6921534
    Abstract: The invention relates to HBV antigen-containing compositions that are useful in treating or preventing HBV infection. The content of the compositions can vary, as described herein, but the compositions comprise a stress protein, or a portion (e.g., a fragment) or derivative thereof, and an HBV antigen.
    Type: Grant
    Filed: February 5, 2002
    Date of Patent: July 26, 2005
    Assignee: Stressgen Biotechnologies Corporation
    Inventors: Lee A. Mizzen, Marvin Siegel, Hongwei Liu
  • Publication number: 20040235741
    Abstract: Disclosed is a method of treating a wart in a subject by administering to the subject a composition containing (1) a heat shock protein or an immunostimulatory fragment thereof, and (2) a protein of a human papilloma virus or an antigenic fragment thereof. Also disclosed is a method of treating a human papilloma virus infection in a subject infected or suspected of being infected with a human papilloma virus of a first type by administering to the subject a composition containing (1) a heat shock protein or an antigenic fragment thereof, and (2) a protein of a human papilloma virus of a second type or an antigenic fragment thereof, where the first type and second type are different.
    Type: Application
    Filed: June 18, 2004
    Publication date: November 25, 2004
    Applicant: Stressgen Biotechnologies Corporation, a Canadian corporation
    Inventors: John R. Neefe, Stephen E. Goldstone, Mark T. Winnett, Marvin Siegel, Leslie J. Boux
  • Patent number: 6797491
    Abstract: Disclosed is a method of treating a wart in a subject by administering to the subject a composition containing (1) a heat shock protein or an immunostimulatory fragment thereof, and (2) a protein of a human papilloma virus or an antigenic fragment thereof. Also disclosed is a method of treating a human papilloma virus infection in a subject infected or suspected of being infected with a human papilloma virus of a first type by administering to the subject a composition containing (1) a heat shock protein or an antigenic fragment thereof, and (2) a protein of a human papilloma virus of a second type or an antigenic fragment thereof, where the first type and second type are different.
    Type: Grant
    Filed: February 13, 2003
    Date of Patent: September 28, 2004
    Assignee: Stressgen Biotechnologies Corporation
    Inventors: John R. Neefe, Stephen E. Goldstone, Mark T. Winnett, Marvin Siegel, Leslie J. Boux
  • Patent number: 6657055
    Abstract: The invention provides compositions and methods for stimulating a Th1-like response in vitro. Compositions include fusion proteins and conjugates that contain at least a portion of a heat shock protein. A Th1-like response can be elicited by contacting in vitro a cell sample containing naive lymphocytes with a fusion protein or conjugate of the invention. The Th1-like response can be detected by measuring IFN-gamma produced by the cell sample.
    Type: Grant
    Filed: October 9, 2002
    Date of Patent: December 2, 2003
    Assignee: Stressgen Biotechnologies Corporation
    Inventors: Marvin Siegel, N. Randall Chu, Lee A. Mizzen
  • Publication number: 20030170268
    Abstract: Disclosed is a method of treating a wart in a subject by administering to the subject a composition containing (1) a heat shock protein or an immunostimulatory fragment thereof, and (2) a protein of a human papilloma virus or an antigenic fragment thereof. Also disclosed is a method of treating a human papilloma virus infection in a subject infected or suspected of being infected with a human papilloma virus of a first type by administering to the subject a composition containing (1) a heat shock protein or an antigenic fragment thereof, and (2) a protein of a human papilloma virus of a second type or an antigenic fragment thereof, where the first type and second type are different.
    Type: Application
    Filed: February 13, 2003
    Publication date: September 11, 2003
    Applicant: Stressgen Biotechnologies Corporation, a Canadian corporation
    Inventors: John R. Neefe, Stephen E. Goldstone, Mark T. Winnett, Marvin Siegel, Leslie J. Boux
  • Publication number: 20030099664
    Abstract: Methods and compositions comprising isolated nucleic acid molecules specific to Neisseria meningitidis, Candida glabrata and Aspergillus fumigatus heat shock proteins (Hsps), as well as vector constructs and isolated polypeptides specific to the same are provided. Such compositions and methods are useful for the diagnosis of infections by these organisms and for generating an immune response to the organisms.
    Type: Application
    Filed: October 11, 2002
    Publication date: May 29, 2003
    Applicant: Stressgen Biotechnologies Corporation, a Victoria, Canada corporation
    Inventor: Jan Wisniewski
  • Publication number: 20030050469
    Abstract: The invention provides compositions and methods for stimulating a Th1-like response in vitro. Compositions include fusion proteins and conjugates that contain at least a portion of a heat shock protein. A Th1-like response can be elicited by contacting in vitro a cell sample containing naive lymphocytes with a fusion protein or conjugate of the invention. The Th1-like response can be detected by measuring IFN-gamma produced by the cell sample.
    Type: Application
    Filed: October 9, 2002
    Publication date: March 13, 2003
    Applicant: Stressgen Biotechnologies Corporation, a Victoria, Canada corporation
    Inventors: Marvin Siegel, N. Randall Chu, Lee A. Mizzen
  • Patent number: 6497880
    Abstract: Methods and compositions comprising isolated nucleic acid molecules specific to Neisseria meningitidis, Candida glabrata and Aspergillus fumigatus heat shock proteins (Hsps), as well as vector constructs and isolated polypeptides specific to the same are provided. Such compositions and methods are useful for the diagnosis of infections by these organisms and for generating an immune response to the organisms.
    Type: Grant
    Filed: December 8, 1998
    Date of Patent: December 24, 2002
    Assignee: Stressgen Biotechnologies Corporation
    Inventor: Jan Wisniewski
  • Patent number: 6495347
    Abstract: The invention provides compositions and methods for stimulating a Th1-like response in vitro. Compositions include fusion proteins and conjugates that contain at least a portion of a heat shock protein. A Th1-like response can be elicited by contacting in vitro a cell sample containing naive lymphocytes with a fusion protein or conjugate of the invention. The Th1-like response can be detected by measuring IFN-gamma produced by the cell sample.
    Type: Grant
    Filed: July 10, 2000
    Date of Patent: December 17, 2002
    Assignee: Stressgen Biotechnologies Corporation
    Inventors: Marvin Siegel, N. Randall Chu, Lee A. Mizzen
  • Patent number: 5807690
    Abstract: METHOD OF SCREENING PHYSIOLOGICAL SAMPLES for elevated levels of heat shock proteins due to chronic exposure to sublethal levels of stressors, and kits for carrying out the method, are disclosed.
    Type: Grant
    Filed: April 20, 1995
    Date of Patent: September 15, 1998
    Assignees: StressGen Biotechnology Corporation, CA. State University, Long Beach Foundation
    Inventors: Brenda M. Sanders, Kenneth D. Jenkins, Jack L. Nichols, Bryan E. Imber
  • Patent number: 5780246
    Abstract: Method of detecting chronic exposure of an organism to a stressor, and for evaluating biological damage due to chronic exposure to sublethal levels of stressors and kits for carrying out the method are disclosed. The methods comprise: (a) sampling at least one organism in order to determine whether it has been chronically exposed to a sublethal concentration of one or more stressors in its environment, under sampling conditions that do not induce any additional heat shock protein (hsp) response in the organism; (b) obtaining a sample of cells or secretions of said organism, suspected of having elevated levels of heat shock proteins and solubilizing the heat shock proteins in the sample; and (c) measuring the concentration of a heat shock protein in said sample.
    Type: Grant
    Filed: April 20, 1995
    Date of Patent: July 14, 1998
    Assignees: StressGen Biotechnology Corporation, CA. State University, Long Beach Foundation
    Inventors: Brenda M. Sanders, Kenneth D. Jenkins, Jack L. Nichols, Bryan E. Imber
  • Patent number: 5464750
    Abstract: Method of detecting chronic exposure of an organism to a pollutant, and for evaluating biological damage due to chronic exposure to sublethal levels of pollutants and kits for carrying out the method are disclosed. The methods comprise:(a) sampling at least one organism in order to determine whether it has been chronically exposed to a sublethal concentration of one or more pollutants in its environment, under sampling conditions that do not induce any additional heat shock protein (hsp) response in the organism;(b) obtaining a sample of cells or secretions of said organism, suspected of having elevated levels of heat shock proteins and solubilizing the heat shock proteins in the sample; and(c) measuring the concentration of a heat shock protein in said sample.
    Type: Grant
    Filed: September 23, 1991
    Date of Patent: November 7, 1995
    Assignees: StressGen Biotechnology Corporation, Ca. State University Long Beach Foundation
    Inventors: Brenda M. Sanders, Kenneth D. Jenkins, Jack L. Nichols, Bryan E. Imber
  • Patent number: 5232833
    Abstract: Method of detecting chronic exposure of an organism to a pollutant, and for evaluating biological damage due to chronic exposure to sublethal levels of pollutants and kits for carrying out the method are disclosed. The methods comprise:(a) sampling at least one organism in order to determine whether it has been chronically exposed to a sublethal concentration of one or more pollutants in its environment, under sampling conditions that do not induce any additional heat shock protein (hsp) response in the organism;(b) obtaining a sample of cells or secretions of said organism, suspected of having elevated levels of heat shock proteins and solubilizing the heat shock proteins in the sample; and(c) measuring the concentration of a heat shock protein selected from hsp 70, hsp 60 and ubiquitin, in said sample.
    Type: Grant
    Filed: September 12, 1989
    Date of Patent: August 3, 1993
    Assignee: Stressgen Biotechnologies Corporation
    Inventors: Brenda M. Sanders, Kenneth D. Jenkins, Jack L. Nichols, Bryan E. Imber