Patents by Inventor Daniel A. Portnoy

Daniel A. Portnoy has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11224646
    Abstract: A vaccine against Mycobacterium tuberculosis (M. tuberculosis) formulated for intranasal administration, comprises a first vaccine component comprising one or more M. tuberculosis, Mycobacterium vaccae (M. vaccae) or Mycobacteroium bovis (M. bovis) antigens, and a second vaccine component comprising a Stimulator of Interferon Genes (STING) activator.
    Type: Grant
    Filed: July 7, 2020
    Date of Patent: January 18, 2022
    Assignee: The Regents of the University of California
    Inventors: Sarah Stanley, Erik Van Dis, Kimberly Sogi, Daniel A. Portnoy, Chris Rae
  • Publication number: 20200338182
    Abstract: A vaccine against Mycobacterium tuberculosis (M. tuberculosis) formulated for intranasal administration, comprises a first vaccine component comprising one or more M. tuberculosis, Mycobacterium vaccae (M. vaccae) or Mycobacteroium bovis (M. bovis) antigens, and a second vaccine component comprising a Stimulator of Interferon Genes (STING) activator.
    Type: Application
    Filed: July 7, 2020
    Publication date: October 29, 2020
    Applicant: The Regents of the University of California
    Inventors: Sarah Stanley, Erik Van Dis, Kimberly Sogi, Daniel A. Portnoy, Chris Rae
  • Patent number: 10801030
    Abstract: General secretory pathway (GSP) mutant Listeria bacteria are provided. Aspects of the bacteria include the presence of a GSP mutation, e.g., a SecY and/or SecA mutation. Also provided are methods of making and using the Listeria bacteria comprising a GSP mutation as vectors and vaccines expressing a heterologous nucleic acid.
    Type: Grant
    Filed: November 4, 2015
    Date of Patent: October 13, 2020
    Assignee: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: Daniel A. Portnoy, Juliana Durack, Thomas P. Burke
  • Patent number: 10774390
    Abstract: Methods of assessing expression of a PrfA mediated expression construct in a Listerial host cell are provided. Aspects of the methods include maintaining a Listerial host cell that includes a PrfA mediated expression construct in a defined medium containing a reducing agent and evaluating expression of a product from the expression construct to assess expression of the PrfA mediated expression construct. Also provided are methods of producing and using a Listerial vaccine, as well as defined media for use in such methods.
    Type: Grant
    Filed: September 1, 2016
    Date of Patent: September 15, 2020
    Assignee: The Regents of the University of California
    Inventors: Daniel A. Portnoy, Jonathan L. Portman
  • Patent number: 10449241
    Abstract: Mutant Listeria bacteria that modulate interferon-? production are provided. The subject bacteria are characterized by having a mutation in a gene chosen from a TetR gene, a LadR gene, a VirR gene, a MarR gene a MdrL gene, a MdrT gene and a MdrM gene. The subject bacteria find use in a variety of applications, where representative applications of interest include, but are not limited to: (a) use of the subject bacteria as adjuvants; (b) use of the subject bacteria as delivery vectors for introducing macromolecules into a cell; (c) use of the subject bacteria as vaccines for eliciting or boosting a cellular immune response; etc.
    Type: Grant
    Filed: January 4, 2018
    Date of Patent: October 22, 2019
    Assignee: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: Daniel A. Portnoy, Anat A. Herskovits, Gregory Crimmins
  • Patent number: 10155014
    Abstract: Methods of modulating type-I interferon production in a cell are provided. Aspects of the methods include modulating cytosolic cyclic di-adenosine monophosphate (c-di-AMP) activity in the cell in a manner sufficient to modulate type-I interferon production in the cell. Additional aspects of the invention include c-di-AMP activity modulatory compositions, e.g., c-di-AMP, mutant Listeria bacteria, cyclase and/or phosphodiesterase nucleic acid or protein compositions, etc. The subject methods and compositions find use in a variety of applications, including therapeutic applications.
    Type: Grant
    Filed: August 21, 2017
    Date of Patent: December 18, 2018
    Assignee: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: Daniel A. Portnoy, Joshua J. Woodward
  • Publication number: 20180237828
    Abstract: Methods of assessing expression of a PrfA mediated expression construct in a Listerial host cell are provided. Aspects of the methods include maintaining a Listerial host cell that includes a PrfA mediated expression construct in a defined medium containing a reducing agent and evaluating expression of a product from the expression construct to assess expression of the PrfA mediated expression construct. Also provided are methods of producing and using a Listerial vaccine, as well as defined media for use in such methods.
    Type: Application
    Filed: September 1, 2016
    Publication date: August 23, 2018
    Inventors: Daniel A. Portnoy, Jonathan L. Portman
  • Publication number: 20180140692
    Abstract: Mutant Listeria bacteria that modulate interferon-? production are provided. The subject bacteria are characterized by having a mutation in a gene chosen from a TetR gene, a LadR gene, a VirR gene, a MarR gene a MdrL gene, a MdrT gene and a MdrM gene. The subject bacteria find use in a variety of applications, where representative applications of interest include, but are not limited to: (a) use of the subject bacteria as adjuvants; (b) use of the subject bacteria as delivery vectors for introducing macromolecules into a cell; (c) use of the subject bacteria as vaccines for eliciting or boosting a cellular immune response; etc.
    Type: Application
    Filed: January 4, 2018
    Publication date: May 24, 2018
    Inventors: Daniel A. Portnoy, Anat A. Herskovits, Gregory Crimmins
  • Patent number: 9895433
    Abstract: Mutant Listeria bacteria that modulate interferon-? production are provided. The subject bacteria are characterized by having a mutation in a gene chosen from a TetR gene, a LadR gene, a VirR gene, a MarR gene a MdrL gene, a MdrT gene and a MdrM gene. The subject bacteria find use in a variety of applications, where representative applications of interest include, but are not limited to: (a) use of the subject bacteria as adjuvants; (b) use of the subject bacteria as delivery vectors for introducing macromolecules into a cell; (c) use of the subject bacteria as vaccines for eliciting or boosting a cellular immune response; etc.
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: February 20, 2018
    Assignee: The Regents of the University of California
    Inventors: Daniel A. Portnoy, Anat A. Herskovits, Gregory Crimmins
  • Publication number: 20170360847
    Abstract: Methods of modulating type-I interferon production in a cell are provided. Aspects of the methods include modulating cytosolic cyclic di-adenosine monophosphate (c-di-AMP) activity in the cell in a manner sufficient to modulate type-I interferon production in the cell. Additional aspects of the invention include c-di-AMP activity modulatory compositions, e.g., c-di-AMP, mutant Listeria bacteria, cyclase and/or phosphodiesterase nucleic acid or protein compositions, etc. The subject methods and compositions find use in a variety of applications, including therapeutic applications.
    Type: Application
    Filed: August 21, 2017
    Publication date: December 21, 2017
    Inventors: Daniel A. Portnoy, Joshua J. Woodward
  • Publication number: 20170342423
    Abstract: General secretory pathway (GSP) mutant Listeria bacteria are provided. Aspects of the bacteria include the presence of a GSP mutation, e.g., a SecY and/or SecA mutation. Also provided are methods of making and using the Listeria bacteria comprising a GSP mutation as vectors and vaccines expressing a heterologous nucleic acid.
    Type: Application
    Filed: November 4, 2015
    Publication date: November 30, 2017
    Inventors: Daniel A. Portnoy, Juliana Durack, Thomas P. Burke
  • Patent number: 9763987
    Abstract: Methods of modulating type-I interferon production in a cell are provided. Aspects of the methods include modulating cytosolic cyclic di-adenosine monophosphate (c-di-AMP) activity in the cell in a manner sufficient to modulate type-I interferon production in the cell. Additional aspects of the invention include c-di-AMP activity modulatory compositions, e.g., c-di-AMP, mutant Listeria bacteria, cyclase and/or phosphodiesterase nucleic acid or protein compositions, etc. The subject methods and compositions find use in a variety of applications, including therapeutic applications.
    Type: Grant
    Filed: June 11, 2015
    Date of Patent: September 19, 2017
    Assignee: The Regents of the University of California
    Inventors: Daniel A. Portnoy, Joshua J. Woodward
  • Publication number: 20170204423
    Abstract: Site-specific Listeria integration vectors and methods for their use are provided. The subject vectors include a bacteriophage integrase gene and a bacteriophage attachment site, where in many embodiments the bacteriophage that is the source 0 of these elements is a listeriophage. In certain embodiments, the subject vectors further include a multiple cloning site, where the multiple cloning site may further include a polypeptide coding sequence, e.g., for a heterologous antigen. The subject vectors and methods find use in a variety of different applications, including the study of Listeria species and the preparation of Listeria vaccines.
    Type: Application
    Filed: December 14, 2016
    Publication date: July 20, 2017
    Inventors: Daniel A. Portnoy, Richard Lane Calendar, Peter M. Lauer
  • Patent number: 9556441
    Abstract: Site-specific Listeria integration vectors and methods for their use are provided. The subject vectors include a bacteriophage integrase gene and a bacteriophage attachment site, where in many embodiments the bacteriophage that is the source 0 of these elements is a listeriophage. In certain embodiments, the subject vectors further include a multiple cloning site, where the multiple cloning site may further include a polypeptide coding sequence, e.g., for a heterologous antigen. The subject vectors and methods find use in a variety of different applications, including the study of Listeria species and the preparation of Listeria vaccines.
    Type: Grant
    Filed: September 12, 2014
    Date of Patent: January 31, 2017
    Inventors: Daniel A. Portnoy, Richard Lane Calendar, Peter M. Lauer
  • Publication number: 20160303212
    Abstract: Mutant Listeria bacteria that modulate interferon-? production are provided. The subject bacteria are characterized by having a mutation in a gene chosen from a TetR gene, a LadR gene, a VirR gene, a MarR gene a MdrL gene, a MdrT gene and a MdrM gene. The subject bacteria find use in a variety of applications, where representative applications of interest include, but are not limited to: (a) use of the subject bacteria as adjuvants; (b) use of the subject bacteria as delivery vectors for introducing macromolecules into a cell; (c) use of the subject bacteria as vaccines for eliciting or boosting a cellular immune response; etc.
    Type: Application
    Filed: June 24, 2016
    Publication date: October 20, 2016
    Inventors: Daniel A. Portnoy, Anat A. Herskovits, Gregory Crimmins
  • Patent number: 9381236
    Abstract: Mutant Listeria bacteria that modulate interferon-? production are provided. The subject bacteria are characterized by having a mutation in a gene chosen from a TetR gene, a LadR gene, a VirR gene, a MarR gene a MdrL gene, a MdrT gene and a MdrM gene. The subject bacteria find use in a variety of applications, where representative applications of interest include, but are not limited to: (a) use of the subject bacteria as adjuvants; (b) use of the subject bacteria as delivery vectors for introducing macromolecules into a cell; (c) use of the subject bacteria as vaccines for eliciting or boosting a cellular immune response; etc.
    Type: Grant
    Filed: June 16, 2015
    Date of Patent: July 5, 2016
    Assignee: The Regents of the University of California
    Inventors: Daniel A. Portnoy, Anat A. Herskovits, Gregory Crimmins
  • Publication number: 20150297645
    Abstract: Methods of modulating type-I interferon production in a cell are provided. Aspects of the methods include modulating cytosolic cyclic di-adenosine monophosphate (c-di-AMP) activity in the cell in a manner sufficient to modulate type-I interferon production in the cell. Additional aspects of the invention include c-di-AMP activity modulatory compositions, e.g., c-di-AMP, mutant Listeria bacteria, cyclase and/or phosphodiesterase nucleic acid or protein compositions, etc. The subject methods and compositions find use in a variety of applications, including therapeutic applications.
    Type: Application
    Filed: June 11, 2015
    Publication date: October 22, 2015
    Inventors: Daniel A. Portnoy, Joshua J. Woodward
  • Publication number: 20150297701
    Abstract: Mutant Listeria bacteria that modulate interferon-? production are provided. The subject bacteria are characterized by having a mutation in a gene chosen from a TetR gene, a LadR gene, a VirR gene, a MarR gene a MdrL gene, a MdrT gene and a MdrM gene. The subject bacteria find use in a variety of applications, where representative applications of interest include, but are not limited to: (a) use of the subject bacteria as adjuvants; (b) use of the subject bacteria as delivery vectors for introducing macromolecules into a cell; (c) use of the subject bacteria as vaccines for eliciting or boosting a cellular immune response; etc.
    Type: Application
    Filed: June 16, 2015
    Publication date: October 22, 2015
    Inventors: Daniel A. Portnoy, Anat A. Herskovits, Gregory Crimmins
  • Patent number: 9066900
    Abstract: Mutant Listeria bacteria that modulate interferon-B production are provided. The subject bacteria are characterized by having a mutation in a gene chosen from a TetR gene, a LadR gene, a VirR gene, a MarR gene a MdrL gene, a MdrT gene and a MdrM gene. The subject bacteria find use in a variety of applications, where representative applications of interest include, but are not limited to: (a) use of the subject bacteria as adjuvants; (b) use of the subject bacteria as delivery vectors for introducing macromolecules into a cell; (c) use of the subject bacteria as vaccines for eliciting or boosting a cellular immune response; etc.
    Type: Grant
    Filed: December 11, 2013
    Date of Patent: June 30, 2015
    Assignee: The Regents of the University of California
    Inventors: Daniel A. Portnoy, Anat A. Herskovits, Gregory Crimmins
  • Patent number: 9061048
    Abstract: Methods of modulating type-I interferon production in a cell are provided. Aspects of the methods include modulating cytosolic cyclic di-adenosine monophosphate (c-di-AMP) activity in the cell in a manner sufficient to modulate type-I interferon production in the cell. Additional aspects of the invention include c-di-AMP activity modulatory compositions, e.g., c-di-AMP, mutant Listeria bacteria, cyclase and/or phosphodiesterase nucleic acid or protein compositions, etc. The subject methods and compositions find use in a variety of applications, including therapeutic applications.
    Type: Grant
    Filed: December 15, 2011
    Date of Patent: June 23, 2015
    Assignee: The Regents of the University of California
    Inventors: Daniel A. Portnoy, Joshua J. Woodward