Patents by Inventor Ruiwu Liu

Ruiwu Liu 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: 20160313341
    Abstract: The present invention provides kits and methods for detecting peptides that change of the fluorescence of dyes upon binding to the dye. In addition, the invention provides methods for identifying said peptides.
    Type: Application
    Filed: March 26, 2014
    Publication date: October 27, 2016
    Inventors: Kit S. Lam, Lin Tian, Sara Ahadi, Ruiwu Liu
  • Publication number: 20160243250
    Abstract: The present invention provides methods of treating a subject having a primary inflammatory disease or disorder comprising administering to the subject a composition comprising a conjugate of an LLP2A peptidomimetic ligand and a bisphosphonate drug, wherein the composition comprising the LLP2A-bisphosphonate conjugate enhances the delivery of mesenchymal stem cells to a site of inflammation. Methods of enhancing an anti-inflammatory or immunomodulatory property of mesenchymal stem cells, comprising administering to a subject in need thereof the mesenchymal stem cells and a composition comprising a conjugate of an LLP2A peptidomimetic ligand and a bisphosphonate drug, are also provided.
    Type: Application
    Filed: October 3, 2014
    Publication date: August 25, 2016
    Inventors: Nancy E. Lane, Ruiwu Liu, Wei Yao, Kit S. Lam
  • Publication number: 20160074461
    Abstract: The present invention provides compounds and pharmaceutical compositions of a peptidomimetic ligand, e.g. LLP2A, conjugated with a bisphosphonate drug, e.g. Alendronate. The compounds and pharmaceutical compositions of the present invention are useful in the treatment of osteoporosis and for the promotion of bone growth due to their specificity for the ?4?1 integrin on mesenchymal stem cells and for the surface of bone.
    Type: Application
    Filed: July 22, 2015
    Publication date: March 17, 2016
    Inventors: Kit S. Lam, Ruiwu Liu, Wei Yao, Nancy Lane
  • Patent number: 9119884
    Abstract: The present invention provides compounds and pharmaceutical compositions of a peptidomimetic ligand, e.g. LLP2A, conjugated with a bisphosphonate drug, e.g. Alendronate. The compounds and pharmaceutical compositions of the present invention are useful in the treatment of osteoporosis and for the promotion of bone growth due to their specificity for the ?4?1 integrin on mesenchymal stem cells and for the surface of bone.
    Type: Grant
    Filed: January 19, 2012
    Date of Patent: September 1, 2015
    Assignee: The Regents of the University of California
    Inventors: Kit S. Lam, Ruiwu Liu, Wei Yao, Nancy Lane
  • Publication number: 20140056855
    Abstract: The present invention provides compounds and pharmaceutical compositions of a peptidomimetic ligand, e.g. LLP2A, conjugated with a bisphosphonate drug, e.g. Alendronate. The compounds and pharmaceutical compositions of the present invention are useful in the treatment of osteoporosis and for the promotion of bone growth due to their specificity for the ?4?1 integrin on mesenchymal stem cells and for the surface of bone.
    Type: Application
    Filed: January 19, 2012
    Publication date: February 27, 2014
    Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: Kit S. Lam, Ruiwu Liu, Wei Yao, Nancy Lane
  • Patent number: 8486370
    Abstract: The present invention provides ?4?1 integrin ligands that display high binding affinity, specificity, and stability. The ligands comprise a peptide having n independently selected amino acids, wherein at least one amino acid is an unnatural amino acid or a D-amino acid, and wherein n is an integer of from 3 to 20. Methods are provided for administering the ligands for treating cancer, inflammatory diseases, and autoimmune diseases. Also provided are methods for administering the ligands for imaging a tumor, organ, or tissue in a subject.
    Type: Grant
    Filed: September 7, 2007
    Date of Patent: July 16, 2013
    Assignee: The Regents of the University of California
    Inventors: Richard D. Carpenter, Mirela Andrei, Ruiwu Liu, Kit S. Lam, Mark J. Kurth
  • Patent number: 8168800
    Abstract: In one aspect, the present invention provides for compounds and labeled compounds of Formula I, and pharmaceutical compositions thereof. In another aspect, the present invention provides for methods of using compounds or labeled compounds of Formula I for various therapeutic and imaging purposes, including, but not limited to, treating Alzheimer's disease in patient and imaging A? peptide aggregates in a patient.
    Type: Grant
    Filed: October 31, 2008
    Date of Patent: May 1, 2012
    Assignee: The Regents of the University of California
    Inventors: Lee-Way Jin, Kit S. Lam, Ruiwu Liu, Hyun-Seok Hong, Izumi Maezawa
  • Publication number: 20110301192
    Abstract: The present invention provides compounds that inhibit cyclin kinase inhibitor p21, such as compounds of formula I. The present invention also provides compositions including compounds of Formula I and a pharmaceutically acceptable excipient. In addition, the present invention provides methods of inhibiting cyclin kinase inhibitor p21 and of treating cancer.
    Type: Application
    Filed: September 29, 2009
    Publication date: December 8, 2011
    Applicant: The regents of the University of California
    Inventors: Robert Weiss, See-Hyoung Park, Kit S. Lam, Ruiwu Liu
  • Publication number: 20110071301
    Abstract: In one aspect, the present invention provides for compounds and labeled compounds of Formula I, and pharmaceutical compositions thereof. In another aspect, the present invention provides for methods of using compounds or labeled compounds of Formula I for various therapeutic and imaging purposes, including, but not limited to, treating Alzheimer's disease in patient and imaging A? peptide aggregates in a patient.
    Type: Application
    Filed: October 31, 2008
    Publication date: March 24, 2011
    Applicant: The Regents of the University of California
    Inventors: Lee-way Jin, Kit S. Lam, Ruiwu Liu, Hyun-Seok Hong, Izumi Maezawa
  • Publication number: 20100310455
    Abstract: The present invention provides ?4?1 integrin ligands that display high binding affinity, specificity, and stability. The ligands comprise a peptide having n independently selected amino acids, wherein at least one amino acid is an unnatural amino acid or a D-amino acid, and wherein n is an integer of from 3 to 20. Methods are provided for administering the ligands for treating cancer, inflammatory diseases, and autoimmune diseases. Also provided are methods for administering the ligands for imaging a tumor, organ, or tissue in a subject.
    Type: Application
    Filed: September 7, 2007
    Publication date: December 9, 2010
    Applicant: The Regents of The University of California
    Inventors: Richard D. Carpenter, Mirela Andrei, Ruiwu Liu, Kit S. Lam, Mark J. Kurth
  • Publication number: 20100021379
    Abstract: The present invention provides antibody conjugates comprising a targeting agent covalently attached to an antibody or fragment thereof. The antibody conjugates of the present invention are particularly useful for imaging a tumor, organ, or tissue and for treating diseases and disorders such as cancer, inflammatory diseases, autoimmune diseases, infectious diseases, and neurological disorders. Kits containing the antibody conjugates described herein find utility in a wide range of applications including, for example, in vivo imaging and immunotherapy.
    Type: Application
    Filed: June 28, 2007
    Publication date: January 28, 2010
    Applicant: The Regents of the University of California
    Inventors: Kit S. Lam, Pappanaicken R. Kumaresan, Amanda Enstrom, Ruiwu Liu
  • Patent number: 7576175
    Abstract: The present invention provides ?4?1 integrin ligands that display high binding affinity, specificity, and stability. The ligands comprise a peptide having n independently selected amino acids, wherein at least one amino acid is an unnatural amino acid or a D-amino acid, and wherein n is an integer of from 3 to 20. Methods are provided for administering the ligands for treating cancer, inflammatory diseases, and autoimmune diseases. Also provided are methods for administering the ligands for imaging a tumor, organ, or tissue in a subject.
    Type: Grant
    Filed: May 26, 2005
    Date of Patent: August 18, 2009
    Assignee: The Regents of the University of California
    Inventors: Kit S. Lam, Ruiwu Liu, Li Peng
  • Publication number: 20060019900
    Abstract: The present invention provides ?4?1 integrin ligands that display high binding affinity, specificity, and stability. The ligands comprise a peptide having n independently selected amino acids, wherein at least one amino acid is an unnatural amino acid or a D-amino acid, and wherein n is an integer of from 3 to 20. Methods are provided for administering the ligands for treating cancer, inflammatory diseases, and autoimmune diseases. Also provided are methods for administering the ligands for imaging a tumor, organ, or tissue in a subject.
    Type: Application
    Filed: May 26, 2005
    Publication date: January 26, 2006
    Applicant: The Regents of the University of California
    Inventors: Kit Lam, Ruiwu Liu, Li Peng
  • Patent number: 6486201
    Abstract: The compound represented by formula (I), in which the substitutes are defined as in the specification and the claims, or their stereoisomers, the process for preparing them, pharmaceutical composition containing them and their use as medicine.
    Type: Grant
    Filed: May 18, 2001
    Date of Patent: November 26, 2002
    Assignee: Institute of Materia Medica, Chinese Academy of Medical Science (CN)
    Inventors: Jiyu Guo, Weijun Wang, Hongju Fang, Qian Liu, Wuyan Zhang, Dali Yin, Sujuan Sun, Ruiwu Liu, Chun Li, Haifan Liu, Donghui Wang