Patents Assigned to Queen's University at Kingston
  • Publication number: 20040208875
    Abstract: Therapeutic compounds and methods for inhibiting amyloid deposition in a subject, whatever its clinical setting, are described. Amyloid deposition is inhibited by the administration to a subject of an effective amount of a therapeutic compound comprising an anionic group and a carrier molecule, or a pharmaceutically acceptable salt thereof, such that an interaction between an amyloidogenic protein and a basement membrane constituent is inhibited. Preferred anionic groups are sulfonates and sulfates. Preferred carrier molecules include carbohydrates, polymers, peptides, peptide derivatives, aliphatic groups, alicyclic groups, heterocyclic groups, aromatic groups and combinations thereof.
    Type: Application
    Filed: February 11, 2004
    Publication date: October 21, 2004
    Applicant: Queen's University at Kingston
    Inventors: Robert Kisilevsky, Walter Szarek, Donald Weaver
  • Publication number: 20040198832
    Abstract: Therapeutic compounds and methods for modulating amyloid aggregation in a subject, whatever its clinical setting, are described.
    Type: Application
    Filed: August 11, 2003
    Publication date: October 7, 2004
    Applicants: Queen's University at Kingston, Neurochem (International) Limited
    Inventors: Walter A. Szarek, Donald F. Weaver, Xianqi Kong, Heather Gordon
  • Patent number: 6790634
    Abstract: Two novel phosphorylation sites of myosin light chain 1 (MLC1) are described. Methods of monitoring phosphorylation of MLC1 to identify new cardiac and skeletal muscle protective agents, monitor the extent of preconditioning of cardiac and skeletal muscles, and monitoring the status of a subject with cardiac or skeletal muscle damage are provided. Also provided are methods and compositions for altering MLC1 to change contractility of cardiac and skeletal muscles and to protecting cardiac and skeletal muscles from damage caused by conditions and/or agents including, but not limited to, cardiomyopathies, hypertension, free radicals ischemia, hypoxia, and ischemia/hypoxia with reperfusion.
    Type: Grant
    Filed: August 30, 2001
    Date of Patent: September 14, 2004
    Assignee: Queens University at Kingston
    Inventors: Jennifer E. Van Eyk, David Kent Arrell
  • Publication number: 20040157905
    Abstract: Methods of detecting and treating rapidly growing exogenous cells, such as Protista, or parasites, that preferentially accumulate a photoactivatable porphyrin in which 5-aminolevulinic acid or precursor thereof is administered to the patient, or contacted to the exogenous cells, in an amount sufficient to induce synthesis fluorescence and/or photosensitizing concentrations of a protoporphyrin IX in the exogenous cells, followed by exposure of the exogenous cells to light of photoactivating wavelengths.
    Type: Application
    Filed: September 17, 2003
    Publication date: August 12, 2004
    Applicants: DUSA PHARMACEUTICALS, INC., Queen's University at Kingston
    Inventors: James C. Kennedy, Roy H. Pottier, Robert L. Reid
  • Publication number: 20040138178
    Abstract: Therapeutic compounds and methods for modulating amyloid deposition in a subject, whatever its clinical setting, are described. Amyloid deposition is modulated by the administration to a subject of an effective amount of a therapeutic compound comprising a phosphonate group and a carboxylate group, a congener thereof, or a pharmaceutically acceptable salt or ester thereof. In preferred embodiments, an interaction between an amyloidogenic protein and a basement membrane constituent is modulated.
    Type: Application
    Filed: May 27, 2003
    Publication date: July 15, 2004
    Applicant: Queen's University at Kingston
    Inventors: Walter A. Szarek, Xianqi Kong, Gregory R.J. Thatcher, Boris Gorine
  • Patent number: 6756407
    Abstract: The present invention provide a method of treating sexual dysfunction in a female, including the vasculogenic symptoms of delayed vaginal engorgement, diminished vaginal lubrication, pain or discomfort with intercourse (dyspareunia), diminished vaginal sensation, diminished vaginal orgasm, diminished clitoral sensation or diminished clitoral orgasm, or of combating vaginal pain by stimulating peripheral pelvic nerve release of nitric oxide (NO). The method comprises administering to a female in need of such treatment a therapeutically effective amount of a compound which acts on a mid-brain pathway to increase blood flow to the ilio-hypogastric-pudendal artery bed and stimulate the release of nitric oxide (NO) from peripheral NANC nerve cells. The preferred compound for the method of this invention is apomorphine or one of its pharmaceutically acceptable salts, esters, or pro-drugs.
    Type: Grant
    Filed: April 22, 2002
    Date of Patent: June 29, 2004
    Assignee: Queen's University at Kingston
    Inventors: Jeremy P. W. Heaton, Michael A. Adams
  • Publication number: 20040110739
    Abstract: Methods of detecting and treating rapidly growing exogenous cells, such as Protista, or parasites, that preferentially accumulate a photoactivatable porphyrin in which 5-aminolevulinic acid or precursor thereof is administered to the patient, or contacted to the exogenous cells, in an amount sufficient to induce synthesis fluorescence and/or photosensitizing concentrations of a protoporphyrin IX in the exogenous cells, followed by exposure of the exogenous cells to light of photoactivating wavelengths.
    Type: Application
    Filed: October 29, 2003
    Publication date: June 10, 2004
    Applicant: QUEEN'S UNIVERSITY AT KINGSTON
    Inventors: James C. Kennedy, Roy H. Pottier
  • Publication number: 20040110818
    Abstract: Methods of detecting and treating rapidly growing exogenous cells, such as Protista, or parasites, that preferentially accumulate a photoactivatable porphyrin in which 5-aminolevulinic acid or precursor thereof is administered to the patient, or contacted to the exogenous cells, in an amount sufficient to induce synthesis fluorescence and/or photosensitizing concentrations of a protoporphyrin IX in the exogenous cells, followed by exposure of the exogenous cells to light of photoactivating wavelengths.
    Type: Application
    Filed: October 29, 2003
    Publication date: June 10, 2004
    Applicant: QUEEN'S UNIVERSITY AT KINGSTON
    Inventors: James C. Kennedy, Roy H. Pottier
  • Publication number: 20040110819
    Abstract: Methods of detecting and treating rapidly growing exogenous cells, such as Protista, or parasites, that preferentially accumulate a photoactivatable porphyrin in which 5-aminolevulinic acid or precursor thereof is administered to the patient, or contacted to the exogenous cells, in an amount sufficient to induce synthesis fluorescence and/or photosensitizing concentrations of a protoporphyrin IX in the exogenous cells, followed by exposure of the exogenous cells to light of photoactivating wavelengths.
    Type: Application
    Filed: October 29, 2003
    Publication date: June 10, 2004
    Applicant: QUEEN'S UNIVERSITY AT KINGSTON
    Inventors: James C. Kennedy, Roy H. Pottier
  • Patent number: 6747130
    Abstract: A novel class of thermal hysteresis (antifreeze) proteins (THP) that have up to 100 times the specific activity of fish antifreeze proteins has been isolated and purified from the mealworm beetle, Tenebrio molitor. Internal sequencing of the proteins, leading to cDNA cloning and production of the protein in bacteria has confirmed the identity and activity of the 8.4 to 10.7 kDa THP. They are novel Thr- and Cys-rich proteins composed largely of 12-amino-acid repeats of cys-thr-xaa-ser-xaa-xaa-cys-xaa-xaa-ala-xaa-thr. At a concentration of 55 &mgr;g/mL, the THP depressed the freezing point 1.6° C. below the melting point, and at a concentration of ˜1 mg/mL the THP or its variants can account for the 5.5° C. of thermal hysteresis found in Tenebrio larvae. The THP function by an adsorption-inhibition mechanism and produce oval-shaped ice crystals with curved prism faces.
    Type: Grant
    Filed: November 8, 2001
    Date of Patent: June 8, 2004
    Assignee: Queen's University at Kingston
    Inventors: Laurie A. Graham, Yih-Cherng Liou, Virginia K. Walker, Peter L. Davies
  • Publication number: 20040063719
    Abstract: The present invention provides a method for a more efficacious treatment of a vascular condition through the administration of a therapeutically effective amount of a combination of an anti-pressor agent, an endothelin antagonist, and a sex hormone for repetitive cycles of on/off-treatment. In one embodiment, the invention provides a method for the prevention of tolerance induced by an anti-pressor agent via the inclusion of an endothelin antagonist in a combination therapy approach to remodel vascular structure and treat vascular conditions associated with a male or female sexual dysfunction, atherosclerosis, renal failure, hypertension, congestive heart failure, diabetic nephropathy, and diabetic neuropathy.
    Type: Application
    Filed: May 2, 2003
    Publication date: April 1, 2004
    Applicants: Queen's University at Kingston, Callegy Pharmaceuticals, Inc.
    Inventors: Michael A. Adams, Taben M. Hale, Jeremy P.W. Heaton
  • Patent number: 6713527
    Abstract: The invention relates to surgical bone cement compositions and more particularly to bone cement compositions having aneasthetic properties, and to methods for producing analgesia.
    Type: Grant
    Filed: November 15, 2001
    Date of Patent: March 30, 2004
    Assignee: Queen's University at Kingston
    Inventors: David M. Bond, John F. Rudan, Michael A. Adams
  • Patent number: 6710066
    Abstract: Methods of detecting and treating rapidly growing exogenous cells, such as Protista, or parasites, that preferentially accumulate a photoactivatable porphyrin in which 5-aminolevulinic acid or precursor thereof is administered to the patient, or contacted to the exogenous cells, in an amount sufficient to induce synthesis fluorescence and/or photosensitizing concentrations of a protoporphyrin IX in the exogenous cells, followed by exposure of the exogenous cells to light of photoactivating wavelengths.
    Type: Grant
    Filed: March 26, 2001
    Date of Patent: March 23, 2004
    Assignee: Queen's University at Kingston
    Inventors: James C. Kennedy, Roy H. Pottier
  • Patent number: 6677374
    Abstract: Compounds and methods for mitigating neurodegeneration, effecting neuroprotection and/or effecting cognition enhancement in a subject are described. Neurological or cognitive conditions are treated by administering to a subject an effective amount of a therapeutic compound comprising a nitrate ester, or a pharmaceutically acceptable salt or ester thereof.
    Type: Grant
    Filed: March 29, 2002
    Date of Patent: January 13, 2004
    Assignee: Queen's University at Kingston
    Inventors: Gregory R. J. Thatcher, Brian M. Bennett, James N. Reynolds, Roland J. Boegman, Khem Jhamandas
  • Publication number: 20030229144
    Abstract: Methods and compounds useful for the inhibition of convulsive disorders, including epilepsy, are disclosed. The methods and compounds of the invention inhibit or prevent ictogenesis and epileptogenesis. Methods for preparing the compounds of the invention are also described.
    Type: Application
    Filed: August 16, 2001
    Publication date: December 11, 2003
    Applicant: Queen's University at Kingston
    Inventors: Donald F. Weaver, Paul H. Milne, Christopher Y.K. Tan, John R. Carran
  • Publication number: 20030215528
    Abstract: The present invention relates to methods and formulations for inhibiting, treating and preventing a malignant cell phenotype, cell, tumor and/or disease. Administration of nitric oxide mimetics, such as low doses, is sufficient to increase, restore or maintain nitric oxide-mediated signaling in cells so that malignant cell phenotypes, cells, tumors and/or diseases are inhibited or prevented. These methods and formulations are particularly useful in treating and preventing cancer in animals.
    Type: Application
    Filed: March 6, 2003
    Publication date: November 20, 2003
    Applicant: Queens University at Kingston
    Inventors: Charles H. Graham, Lynne-Marie Postovit, Michael A. Adams, Jeremy P.W. Heaton
  • Patent number: 6635648
    Abstract: Methods are provided for preventing or inhibiting adverse cardiovascular effects associated with administration of a sympathetic nervous system antagonist in a subject, in which a subject in need thereof is administered a sympathetic nervous system antagonist and an endothelin antagonist. Methods for improving the efficacy of a sympathetic nervous system antagonist are also provided, comprising administering to a subject in need thereof a sympathetic nervous system antagonist together with an endothelin antagonist. Methods of treating prostate cancer or benign prostate hyperplasia (BPH) in a subject are also provided, in which a subject in need thereof is administered a sympathetic nervous system antagonist and an endothelin antagonist. The sympathetic nervous system antagonist may be an alpha-adrenoceptor antagonist, a ganglionic blocking agent or another inhibitor of the actions of the sympathetic nervous system.
    Type: Grant
    Filed: August 16, 2001
    Date of Patent: October 21, 2003
    Assignee: Queen's University at Kingston
    Inventors: Michael A. Adams, Jeremy W. Heaton, Suzanne K. Bridge
  • Publication number: 20030194375
    Abstract: Methods and compounds useful for the inhibition of convulsive disorders, including epilepsy, are disclosed. The methods and compounds of the invention inhibit or prevent ictogenesis and/or epileptogenesis. Methods for preparing the compounds of the invention are also described.
    Type: Application
    Filed: October 15, 2002
    Publication date: October 16, 2003
    Applicant: Queen's University at Kingston and Neurochem, Inc.
    Inventors: Donald F. Weaver, Christopher Y.K. Tan, Stephen T. Kim, Xianqi Kong, Lan Wei, John R. Carran
  • Patent number: 6632328
    Abstract: A method for bleaching unbleached softwood or hardwood pulps using hydrogen peroxide without added alkali for activation is described. The aqueous hydrogen peroxide solution contains an alkaline earth metal carbonate, preferably magnesium carbonate and can be used at elevated temperatures. Bleached hardwood or softwood mechanical pulps with high brightness, low yellowness (b*) and reduced reversion properties are produced.
    Type: Grant
    Filed: May 19, 2000
    Date of Patent: October 14, 2003
    Assignee: Queen's University at Kingston
    Inventors: Jeffrey K. -S. Wan, M. Catherine Depew
  • Patent number: 6610652
    Abstract: Methods for treating vascular conditions associated with localized imbalance in vascular tone, which are hypothesized to be largely due to elevated endothelin (ET) are provided. The methods involve administration of nitric oxide (NO), agents which are able to provide NO, such as NO donors, agents which activate guanyl cyclase, such as YC-1, or agents which prolong the actions of endogenous NO or cyclic guanosine monophosphate (cGMP; a 2nd messenger molecule), such as phosphodiesterase (PDE) inhibitors. According to the invention, such agents are administered in minimal doses or microdoses by any route known in the art, so as to provide dosages which are about one half to about one twentieth (½ to {fraction (1/20)}) of those known to induce vasodilation in “normal” circulations.
    Type: Grant
    Filed: March 8, 2002
    Date of Patent: August 26, 2003
    Assignee: Queen's University at Kingston
    Inventors: Michael A. Adams, Jeremy P. W. Heaton, James D. Banting