Patents by Inventor Hazel H. Szeto

Hazel H. Szeto 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).

  • Publication number: 20110039766
    Abstract: The invention provides methods of preventing or treating metabolic syndrome in a mammalian subject. The methods comprise administering to the subject an effective amount of an aromatic-cationic peptide to subjects in need thereof.
    Type: Application
    Filed: August 11, 2010
    Publication date: February 17, 2011
    Inventor: Hazel H. Szeto
  • Publication number: 20100317571
    Abstract: The invention provides a method for treating one or more complications of diabetes in a mammal. The method comprises administering to a mammal in need thereof an effective amount of an aromatic-cationic peptide having at least one net positive charge; a minimum of four amino acids; a maximum of about twenty amino acids; a relationship between the minimum number of net positive charges (pm) and the total number of amino acid residues (r) wherein 3 pm is the largest number that is less than or equal to r+1; and a relationship between the minimum number of aromatic groups (a) and the total number of net positive charges (pt) wherein 2a is the largest number that is less than or equal to pt+1, except that when a is 1, pt may also be 1.
    Type: Application
    Filed: August 4, 2010
    Publication date: December 16, 2010
    Inventors: Hazel H. Szeto, Shaoyi Liu, Sunghee Cho
  • Publication number: 20100311664
    Abstract: The invention provides a method for reducing oxidative damage in a mammal, a removed organ, or a cell in need thereof. The method comprises administering an effective amount of an aromatic cationic peptide. The aromatic cationic peptide has (a) at least one net positive charge; (b) a minimum of three amino acids; (c) a maximum of about twenty amino acids, (d) a relationship between the minimum number of net positive charges (pm) and the total number of amino acid residues (r) wherein 3 pm is the largest number that is less than or equal to r+1; (e) a relationship between the minimum number of aromatic groups (a) and the total number of net positive charges (pt) wherein 3a or 2a is the largest number that is less than or equal to pt+1, except that when a is 1, pt may also be 1; and (f) at least one tyrosine or tryptophan amino acid.
    Type: Application
    Filed: July 26, 2010
    Publication date: December 9, 2010
    Inventor: Hazel H. Szeto
  • Patent number: 7811987
    Abstract: The invention provides a method for reducing CD36 expression in a cell. The method comprises contacting the cell with an effective amount of an aromatic-cationic peptide having at least one net positive charge; a minimum of four amino acids; a maximum of about twenty amino acids; a relationship between the minimum number of net positive charges (pm) and the total number of amino acid residues (r) wherein 3 pm is the largest number that is less than or equal to r+1; and a relationship between the minimum number of aromatic groups (a) and the total number of net positive charges (pt) wherein 2a is the largest number that is less than or equal to pt+1, except that when a is 1, pt may also be 1.
    Type: Grant
    Filed: May 1, 2009
    Date of Patent: October 12, 2010
    Assignee: Cornell Research Foundation, Inc.
    Inventors: Hazel H. Szeto, Shaoyl Liu, Sunghee Cho
  • Patent number: 7781405
    Abstract: The invention provides a method for reducing oxidative damage in a mammal, a removed organ, or a cell in need thereof. The method comprises administering an effective amount of an aromatic cationic peptide. The aromatic cationic peptide has (a) at least one net positive charge; (b) a minimum of three amino acids; (c) a maximum of about twenty amino acids, (d) a relationship between the minimum number of net positive charges (pm) and the total number of amino acid residues (r) wherein 3pm is the largest number that is less than or equal to r+1; (e) a relationship between the minimum number of aromatic groups (a) and the total number of net positive charges (pt) wherein 3a or 2a is the largest number that is less than or equal to pt+1, except that when a is 1, pt may also be 1; and (f) at least one tyrosine or tryptophan amino acid.
    Type: Grant
    Filed: June 30, 2006
    Date of Patent: August 24, 2010
    Assignee: Cornell Research Foundation
    Inventor: Hazel H. Szeto
  • Publication number: 20100204448
    Abstract: The invention relates to carrier complexes and methods for delivering molecules to cells. The carrier complexes comprises a molecule and an aromatic cationic peptide in accordance with the invention. In one embodiment, the method for delivering a molecule to a cell comprises contacting the cell with a carrier complex. In another embodiment, the method for delivering a molecule to a cell comprises contacting the cell with a molecule and an aromatic cationic peptide.
    Type: Application
    Filed: December 4, 2009
    Publication date: August 12, 2010
    Inventors: HAZEL H. SZETO, KESHENG ZHAO, HUGH D. ROBERTSON, ALEX V. BIRK
  • Publication number: 20100190718
    Abstract: The invention provides a method of reducing or preventing mitochondrial permeability transitioning. The method comprises administering an effective amount of an aromatic-cationic peptide having at least one net positive charge; a minimum of four amino acids; a maximum of about twenty amino acids; a relationship between the minimum number of net positive charges (pm) and the total number of amino acid residues (r) wherein 3pm is the largest number that is less than or equal to r+1; and a relationship between the minimum number of aromatic groups (a) and the total number of net positive charges (pt) wherein 2 a is the largest number that is less than or equal to pt+1, except that when a is 1, pt may also be 1.
    Type: Application
    Filed: April 2, 2010
    Publication date: July 29, 2010
    Inventors: Peter W. Schiller, Hazel H. Szeto, Kesheng Zhao
  • Patent number: 7718620
    Abstract: The invention provides a method of treating or preventing ischemia-reperfusion injury of the kidney in a mammal. The method comprises administering an effective amount of an aromatic-cationic peptide having at least one net positive charge; a minimum of four amino acids; a maximum of about twenty amino acids; a relationship between the minimum number of net positive charges (pm) and the total number of amino acid residues (r) wherein 3pm is the largest number that is less than or equal to r+1; and a relationship between the minimum number of aromatic groups (a) and the total number of net positive charges (pt) wherein 2 a is the largest number that is less than or equal to pt+1, except that when a is 1, pt may also be 1.
    Type: Grant
    Filed: June 30, 2006
    Date of Patent: May 18, 2010
    Assignee: Cornell Research Foundation, Inc.
    Inventors: Hazel H. Szeto, Kesheng Zhao, Peter W. Schiller
  • Patent number: 7704954
    Abstract: The invention relates to carrier complexes and methods for delivering molecules to cells. The carrier complexes comprises a molecule and an aromatic cationic peptide in accordance with the invention. In one embodiment, the method for delivering a molecule to a cell comprises contacting the cell with a carrier complex. In another embodiment, the method for delivering a molecule to a cell comprises contacting the cell with a molecule and an aromatic cationic peptide.
    Type: Grant
    Filed: May 3, 2004
    Date of Patent: April 27, 2010
    Assignee: Cornell Research Foundation, Inc.
    Inventors: Hazel H. Szeto, Kesheng Zhao, Hugh D. Robertson, Alex V. Birk
  • Publication number: 20090264369
    Abstract: The invention provides a method for reducing CD36 expression in a cell. The method comprises contacting the cell with an effective amount of an aromatic-cationic peptide having at least one net positive charge; a minimum of four amino acids; a maximum of about twenty amino acids; a relationship between the minimum number of net positive charges (pm) and the total number of amino acid residues (r) wherein 3 pm is the largest number that is less than or equal to r+1; and a relationship between the minimum number of aromatic groups (a) and the total number of net positive charges (pt) wherein 2a is the largest number that is less than or equal to pt+1, except that when a is 1, pt may also be 1.
    Type: Application
    Filed: May 1, 2009
    Publication date: October 22, 2009
    Inventors: Hazel H. Szeto, Shaoyi Liu, Sunghee Cho
  • Publication number: 20090253641
    Abstract: The invention provides methods of preventing or treating insulin resistance in a mammalian subject. The methods comprise administering to the subject an effective amount of an aromatic-cationic peptide having at least one net positive charge; a minimum of four amino acids; a maximum of about twenty amino acids; a relationship between the minimum number of net positive charges (pm) and the total number of amino acid residues (r) wherein 3pm is the largest number that is less than or equal to r+1; and a relationship between the minimum number of aromatic groups (a) and the total number of net positive charges (pt) wherein 2a is the largest number that is less than or equal to pt+1, except that when a is 1, pt may also be 1.
    Type: Application
    Filed: February 6, 2009
    Publication date: October 8, 2009
    Inventors: P. Darrell Neufer, Ethan J. Anderson, Hazel H. Szeto
  • Publication number: 20090221514
    Abstract: The disclosure relates to a method for protecting a kidney from renal injury. For example, acute renal injury may be associated with decreased or blocked blood flow in the subject's kidney or exposure to a nephrotoxic agent, such as a radiocontrast dye. The methods include administering to the subject an effective amount of an aromatic-cationic peptide to a subject in need thereof.
    Type: Application
    Filed: February 25, 2009
    Publication date: September 3, 2009
    Inventors: Hazel H. Szeto, Diane Felsen
  • Patent number: 7576061
    Abstract: The invention provides a method of reducing or preventing mitochondrial permeability transitioning. The method comprises administering an effective amount of an aromatic-cationic peptide having at least one net positive charge; a minimum of four amino acids; a maximum of about twenty amino acids; a relationship between the minimum number of net positive charges (pm) and the total number of amino acid residues (r) wherein 3pm is the largest number that is less than or equal to r+1; and a relationship between the minimum number of aromatic groups (a) and the total number of net positive charges (pt) wherein 2a is the largest number that is less than or equal to pt+1, except that when a is 1, pt may also be 1.
    Type: Grant
    Filed: February 3, 2004
    Date of Patent: August 18, 2009
    Assignees: Cornell Research Foundation, Inc., Institute de Recherches Clinques de Montreal
    Inventors: Hazel H. Szeto, Kesheng Zhao, Peter W. Schiller
  • Patent number: 7550439
    Abstract: The invention provides a method for reducing oxidative damage in a mammal, a removed organ, or a cell in need thereof. The method comprises administering an effective amount of an aromatic cationic peptide. The aromatic cationic peptide has (a) at least one net positive charge; (b) a minimum of three amino acids; (c) a maximum of about twenty amino acids; (d) a relationship between the minimum number of net positive charges (pm) and the total number of amino acid residues (r) wherein 3pm is the largest number that is less than or equal to r+1; (e) a relationship between the minimum number of aromatic groups (a) and the total number of net positive charges (pt) wherein 3a or 2a is the largest number that is less than or equal to pt+1, except that when a is 1, pt may also be 1; and (f) at least one tyrosine or tryptophan amino acid.
    Type: Grant
    Filed: January 21, 2005
    Date of Patent: June 23, 2009
    Assignee: Cornell Research Foundation, Inc.
    Inventor: Hazel H. Szeto
  • Patent number: 7541340
    Abstract: The invention provides a method of reducing CD36 expression in a cell. The method comprises contacting the cell with an effective amount of an aromatic-cationic peptide having at least one net positive charge; a minimum of four amino acids; a maximum of about twenty amino acids; a relationship between the minimum number of net positive charges (pm) and the total number of amino acid residues (r) wherein 3pm is the largest number that is less than or equal to r+1; and a relationship between the minimum number of aromatic groups (a) and the total number of net positive charges (pt) wherein 2a is the largest number that is less than or equal to pt?1, except that when a is 1, pt may also be 1.
    Type: Grant
    Filed: September 18, 2006
    Date of Patent: June 2, 2009
    Assignee: Cornell Research Foundation, Inc.
    Inventors: Hazel H. Szeto, Shaoyi Liu, Sunghee Cho
  • Publication number: 20090010880
    Abstract: The present invention is directed to compounds, compositions and methods comprising the aminoglycoside moiety represented by Formula II for treating and preventing the spread of positive sense single-stranded RNA envelope viral infections. One embodiment of the present invention uses geneticin or its analogs, including 2-amino-2,7-dideoxy-alpha-D-glycero-D-gluco-heptopyranose, as the antiviral agent. The compounds, compositions and methods of the present invention are applicable to infections resulting from Hepatitis C virus, West Nile virus, Yellow Fever virus, Dengue virus, Bovine Viral Diarrhea virus, Equine Arteritis virus, and/or Sindbis virus.
    Type: Application
    Filed: June 6, 2008
    Publication date: January 8, 2009
    Applicant: Institute for Hepatitis and Virus Research
    Inventors: Alexander V. Birk, Edward J. Dubovi, Hazel H. Szeto
  • Publication number: 20040248808
    Abstract: The invention provides a method of reducing or preventing mitochondrial permeability transitioning. The method comprises administering an effective amount of an aromatic-cationic peptide having at least one net positive charge; a minimum of four amino acids; a maximum of about twenty amino acids; a relationship between the minimum number of net positive charges (pm) and the total number of amino acid residues (r) wherein 3pm is the largest number that is less than or equal to r+1; and a relationship between the minimum number of aromatic groups (a) and the total number of net positive charges (pt) wherein 2a is the largest number that is less than or equal to pt+1, except that when a is 1, pt may also be 1.
    Type: Application
    Filed: February 3, 2004
    Publication date: December 9, 2004
    Inventors: Hazel H. Szeto, Kesheng Zhao, Peter W. Schiller