Patents by Inventor Huaqiang Eric Xu

Huaqiang Eric Xu 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: 10954265
    Abstract: The present invention relates to novel glucocorticoid compounds. The invention also relates to methods of using these compounds, the synthesis of these compounds, and to compositions and formulations comprising the glucocorticoid compounds, and uses thereof.
    Type: Grant
    Filed: October 13, 2017
    Date of Patent: March 23, 2021
    Assignee: VAN ANDEL RESEARCH INSTITUTE
    Inventors: Huaqiang Eric Xu, Yuanzheng He
  • Publication number: 20190263853
    Abstract: The present invention relates to novel glucocorticoid compounds. The invention also relates to methods of using these compounds, the synthesis of these compounds, and to compositions and formulations comprising the glucocorticoid compounds, and uses thereof.
    Type: Application
    Filed: October 13, 2017
    Publication date: August 29, 2019
    Inventors: Huaqiang Eric Xu, Yuanzheng He
  • Patent number: 9975918
    Abstract: The present invention relates to novel glucocorticoid compounds. The invention also relates to methods of using these compounds, the synthesis of these compounds, and to compositions and formulations comprising the glucocorticoid compounds, and uses thereof.
    Type: Grant
    Filed: September 25, 2014
    Date of Patent: May 22, 2018
    Assignees: VAN ANDEL RESEARCH INSTITUTE, SHANGHAI INSTITUTE OF MATERIA MEDICA, CHINESE ACADEMY OF SCIENCES
    Inventors: Huaqiang Eric Xu, Yuanzheng He, Karsten Melcher, Wei Yi, Jingjing Shi
  • Publication number: 20160251393
    Abstract: The present invention relates to novel glucocorticoid compounds. The invention also relates to methods of using these compounds, the synthesis of these compounds, and to compositions and formulations comprising the glucocorticoid compounds, and uses thereof.
    Type: Application
    Filed: September 25, 2014
    Publication date: September 1, 2016
    Inventors: Huaqiang Eric XU, Yuanzheng HE, Karsten MELCHER, Wei YI, Jingling SHI
  • Publication number: 20150376252
    Abstract: The present invention relates to Norrin mutant polypeptides that inhibit or reduce angiogenesis in various tissues. Methods for synthesizing recombinant Norrin and Norrin mutant polypeptides are provided. Methods of inhibiting or reducing aberrant angiogenesis comprise contacting a tissue undergoing aberrant angiogenesis with a composition comprising an isolated Norrin C mutant polypeptide.
    Type: Application
    Filed: February 20, 2014
    Publication date: December 31, 2015
    Applicant: VAN ANDEL RESEARCH INSTITUTE
    Inventors: Huaqiang Eric Xu, Jiyuan Ke
  • Patent number: 8563513
    Abstract: Provided herein are Parathyroid hormone (PTH) peptides and parathyroid hormone-related protein (PTHrP) peptides (e.g., PTH analogs, PTHrP analogs), and related variants, chemical derivatives, fusion polypeptides, multimeric polypeptides, and peptidomimetics, peptoids, the like. Also provided are their use in methods for activating the PTH receptor in a cell (e.g., an osteoblast), methods of treating a subject with bone loss (e.g., by administration of a PTH peptide or PTHrP peptide (e.g., a PTH analog or PTHrP analog)), methods of ameliorating a symptom associated with osteoporosis in a subject, methods of retarding the progression of osteoporosis in a subject, and methods of regenerating bone in a subject.
    Type: Grant
    Filed: March 26, 2010
    Date of Patent: October 22, 2013
    Assignees: Van Andel Research Institute, The General Hospital Corporation
    Inventors: Huaqiang Eric Xu, Augen A. Pioszak, Thomas J. Gardella
  • Publication number: 20130045952
    Abstract: The present invention relates to ABA agonist compounds which increase plant stress resistance. The invention also relates to methods of using these compounds. The invention further relates to compositions and formulations comprising the ABA agonist compounds, and uses thereof.
    Type: Application
    Filed: August 17, 2012
    Publication date: February 21, 2013
    Applicant: Van Andel Research Institute
    Inventors: Yong Xu, Xiaoyin Edward Zhou, Karsten Melcher, Huaqiang Eric Xu
  • Patent number: 8173670
    Abstract: A method for treating a subject having an inflammatory or auto-immune disease with a substituted isoxazolo pyridinone. Also, a method for administering a substituted isoxazolo pyridinone to a cell to retain or increase glucocorticoid receptor transrepression activity with only minimal glucocorticoid receptor transactivation activity.
    Type: Grant
    Filed: January 13, 2010
    Date of Patent: May 8, 2012
    Assignee: Van Andel Research Institute
    Inventors: Huaqiang Eric Xu, Yong Xu, Yuanzheng He
  • Publication number: 20120083448
    Abstract: Provided herein are Parathyroid hormone (PTH) peptides and parathyroid hormone-related protein (PTHrP) peptides (e.g., PTH analogs, PTHrP analogs), and related variants, chemical derivatives, fusion polypeptides, multimeric polypeptides, and peptidomimetics, peptoids, the like. Also provided are their use in methods for activating the PTH receptor in a cell (e.g., an osteoblast), methods of treating a subject with bone loss (e.g., by administration of a PTH peptide or PTHrP peptide (e.g., a PTH analog or PTHrP analog)), methods of ameliorating a symptom associated with osteoporosis in a subject, methods of retarding the progression of osteoporosis in a subject, and methods of regenerating bone in a subject.
    Type: Application
    Filed: March 26, 2010
    Publication date: April 5, 2012
    Applicant: VAN ANDEL RESEARCH INSTITUTE
    Inventors: Huaqiang Eric Xu, Augen A. Pioszak, Thomas J. Gardella
  • Publication number: 20120045459
    Abstract: Methods for treating autophagy-related disorders with agents which modulate expression of the gene encoding tyrosine phosphatase receptor type sigma (PTPRS) or which modulate the biological activity of the PTPRS gene product (PTPsigma). Methods for modulating autophagy in a cell with agents which modulate expression of PTPRS or which modulate the biological activity of PTPsigma; and related diagnostic methods, screening methods, and agents.
    Type: Application
    Filed: May 5, 2010
    Publication date: February 23, 2012
    Applicant: Van Andel Research Institute
    Inventors: Jeffrey Paul MacKeigan, Katie Martin, Huaqiang Eric Xu, Yong Xu
  • Publication number: 20110251211
    Abstract: A method for treating a subject having an inflammatory or auto-immune disease with a substituted isoxazolo pyridinone. Also, a method for administering a substituted isoxazolo pyridinone to a cell to retain or increase glucocorticoid receptor transrepression activity with only minimal glucocorticoid receptor transactivation activity.
    Type: Application
    Filed: January 13, 2010
    Publication date: October 13, 2011
    Inventors: Huaqiang Eric Xu, Yong Xu, Yuanzheng He
  • Publication number: 20110237497
    Abstract: A composition of a glucocorticoid receptor (GR) ligand, or analog thereof, and a V-ATPase inhibitor, or analog thereof. A method for administering such composition to a cell either to increase glucocorticoid transrepression activity or to increase glucocorticoid transactivation activity in the cell. Also, a method for treating a subject having an inflammatory or auto-immune disease by administering such composition.
    Type: Application
    Filed: November 18, 2010
    Publication date: September 29, 2011
    Inventors: HUAQIANG ERIC XU, Yong Xu, Yuanzheng He
  • Publication number: 20100179167
    Abstract: A method for treating a subject having an inflammatory or auto-immune disease with a substituted isoxazolo pyridinone. Also, a method for administering a substituted isoxazolo pyridinone to a cell to retain or increase glucocorticoid receptor transrepression activity with only minimal glucocorticoid receptor transactivation activity.
    Type: Application
    Filed: January 13, 2010
    Publication date: July 15, 2010
    Inventors: Huaqiang Eric Xu, Yong Xu, Yuanzheng He
  • Publication number: 20090215686
    Abstract: The present invention includes various NK1-based polypeptides and polynucleotides, related compositions, methods of modulating Met activity in a cell, and related methods of treatment. Also, the present invention includes a method for designing an antagonist of a receptor tyrosine kinase from a receptor tyrosine kinase agonist.
    Type: Application
    Filed: March 5, 2008
    Publication date: August 27, 2009
    Inventors: Huaqiang Eric Xu, Ermanno Gherardi
  • Patent number: 7238778
    Abstract: A method of modifying a test nuclear receptor (NR) polypeptide is disclosed. The method provides a test NR polypeptide sequence having a characteristic that is targeted for modification; aligning the test NR polypeptide sequence with at least one reference NR polypeptide sequence for which an X-ray structure is available; building a three-dimensional model for the test NR polypeptide using the three-dimensional coordinates of the X-ray structure(s) of at least one reference polypeptide and its sequence alignment with the test NR polypeptide sequence; examining the three-dimensional model of the test NR polypeptide sequence for characteristic differences with the reference polypeptide; and mutating at least one amino acid residue in the test NR polypeptide sequence at a characteristic difference, whereby the test NR polypeptide is modified.
    Type: Grant
    Filed: July 17, 2002
    Date of Patent: July 3, 2007
    Assignee: SmithKline Beecham Corporation
    Inventors: Christopher J. Apolito, Randy K. Bledsoe, Millard H. Lambert, III, David D. McKee, Valerie Gail Montana, Kenneth H. Pearce, Thomas B. Stanley, Huaqiang Eric Xu, Christopher J Delves
  • Publication number: 20040137518
    Abstract: A solved three-dimensional crystal structure of a PPAR&agr; ligand binding domain polypeptide is disclosed, along with a crystal form of the PPAR&agr; ligand binding domain polypeptide. Methods of designing modulators of the biological activity of PPAR&agr; and other PPAR ligand binding domain polypeptides are also disclosed.
    Type: Application
    Filed: August 1, 2003
    Publication date: July 15, 2004
    Inventors: Millard Hurst Lambert, Valerie Gail Montana, Huaqiang Eric Xu
  • Patent number: 6723740
    Abstract: Compounds of Formula (I) are disclosed. These compounds selected activators of human PPAR delta.
    Type: Grant
    Filed: March 6, 2003
    Date of Patent: April 20, 2004
    Assignee: SmithKline Beecham Corporation
    Inventors: Esther Yu-Hsuan Chao, Curt Dale Haffner, Millard Hurst Lambert, III, Patrick Reed Maloney, Michael Lawrence Sierra, Daniel David Sternbach, Marcos Luis Sznaidman, Timothy Mark Willson, Huaqiang Eric Xu
  • Patent number: 6710063
    Abstract: Compounds of Formula (1) are disclosed. These compounds include selective activators of human PPAR delta.
    Type: Grant
    Filed: December 19, 2001
    Date of Patent: March 23, 2004
    Assignee: SmithKline Beecham Corporation
    Inventors: Esther Yu-Hsuan Chao, Curt Dale Haffner, Millard Hurst Lambert, III, Patrick Reed Maloney, Michael Lawrence Sierra, Daniel David Sternbach, Marcos Luis Sznaidman, Timothy Mark Willson, Huaqiang Eric Xu
  • Publication number: 20030203947
    Abstract: Compounds of Formula (I) are disclosed. These compounds include selective activators of human PPAR delta.
    Type: Application
    Filed: March 6, 2003
    Publication date: October 30, 2003
    Inventors: Esther Yu-Hsuan Chao, Curt Dale Haffner, Millard Hurst Lambert, Patrick Reed Maloney, Michael Lawrence Sierra, Daniel David Sternbach, Marcos Luis Sznaidman, Timothy Mark Willson, Huaqiang Eric Xu