Patents by Inventor Bei Shan

Bei Shan 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: 7511043
    Abstract: The present invention provides compounds, pharmaceutical compositions and methods that are useful in modulating the farnesoid X receptor (FXR). As FXR is involved in negatively controlling the expression level of cholesterol 7?-hydroxylase (cyp7a), the rate-limiting enzyme involved in the oxidative metabolism of cholesterol into bile acids, the compounds described herein find utility in treating diseases associated with abnormally high or low cholesterol levels. In certain aspects, the FXR modulators (e.g., antagonists) described herein block the negative feed-back downregulation of cyp7a expression produced by certain cholic acids, the endogenous ligands for FXR. Moreover, as FXR forms heterodimers with the retinoid X receptor (RXR) in some cell types, modulation of the level of FXR activity in cells has a wide range of effects on a variety of biological processes which are mediated by RXR or other RXR-interacting proteins such as PPAR? and PPAR?.
    Type: Grant
    Filed: March 4, 2004
    Date of Patent: March 31, 2009
    Assignee: Amgen Inc.
    Inventors: Jonathan Houze, Sharon McKendry, Joshua Gergely, Yi Xia, Bei Shan, Frank Kayser
  • Publication number: 20090081182
    Abstract: The invention provides compounds, pharmaceutical compositions and methods for treating atherosclerosis, coronary heart disease, thrombosis, and for decreasing or prevention of accumulation of cholesterol in a subject by modifying LCAT polypeptide.
    Type: Application
    Filed: July 25, 2008
    Publication date: March 26, 2009
    Applicant: AMGEN INC.
    Inventors: Tom BOONE, David P. MEININGER, Margrit SCHWARZ, Bei SHAN, Wenyan SHEN, Mingyue ZHOU
  • Publication number: 20080096900
    Abstract: The invention provides compounds, pharmaceutical compositions and methods for treating atherosclerosis, inflammation, thrombosis and other conditions and for decreasing or prevention of accumulation of cholesterol in a subject by modifying LCAT polypeptide.
    Type: Application
    Filed: June 26, 2007
    Publication date: April 24, 2008
    Applicant: Amgen Inc.
    Inventors: Frank Kayser, Marc LaBelle, Bei Shan, Jian Zhang, Mingyue Zhou
  • Publication number: 20080009608
    Abstract: The present invention provides nucleic acids encoding a novel ABC family cholesterol transporter, SSG. The herein-disclosed sequences can be used for any of a number of purposes, including for the diagnosis and treatment of cholesterol-associated disorders, including sitosterolemia, and for the identification of molecules that associate with and/or modulate the activity of SSG.
    Type: Application
    Filed: December 27, 2006
    Publication date: January 10, 2008
    Applicant: Amgen Inc.
    Inventors: Hui Tian, Joshua Schultz, Bei Shan
  • Patent number: 7229816
    Abstract: The present invention provides polypeptides of a novel ABC family cholesterol transporter, SSG. The herein-disclosed sequences can be used for any of a number of purposes, including for the diagnosis and treatment of cholesterol-associated disorders, including sitosterolemia, and for the identification of molecules that associate with and/or modulate the activity of SSG.
    Type: Grant
    Filed: May 11, 2005
    Date of Patent: June 12, 2007
    Assignee: Amgen Inc.
    Inventors: Hui Tian, Joshua Schultz, Bei Shan
  • Patent number: 7138418
    Abstract: The invention provides methods and compositions relating to novel pentafluorophenylsulfonamide derivatives and analogs and their use as pharmacologically active agents. The compositions find particular use as pharmacological agents in the treatment of disease states, particularly atherosclerosis and hypercholesterolemia, or as lead compounds for the development of such agents.
    Type: Grant
    Filed: October 5, 2001
    Date of Patent: November 21, 2006
    Assignee: Amgen, Inc.
    Inventors: John Flygare, Julio C. Medina, Bei Shan, David L. Clark, Terry J. Rosen
  • Patent number: 7105313
    Abstract: The invention provides methods and compositions for screening for pharmacological agents which regulate gene expression in mammals. An exemplary assay involves (a) contacting a mammalian cell comprising a knock-in mutant of a targeted native allele encoding a reporter of gene expression, wherein the expression of the reporter is under the control of the gene expression regulatory sequences of the native allele, with a candidate agent under conditions whereby but for the presence of the agent, the reporter is expressed at a first expression level; and, (b) measuring the expression of the reporter to obtain a second expression level, wherein a difference between the first and second expression levels indicates that the candidate agent modulates gene expression.
    Type: Grant
    Filed: February 13, 2003
    Date of Patent: September 12, 2006
    Assignee: Amgen Inc.
    Inventors: Bei Shan, R. Marc Learned, M. Catherine Amaral, Steven L. McKnight, Fabienne C. de la Brousse, Jin-Long Chen
  • Patent number: 7101681
    Abstract: Methods for identifying modulators of nuclear hormone receptor function comprise the steps of (a) forming a mixture comprising a nuclear hormone receptor, a peptide sensor and a candidate agent, but not a natural coactivator protein of the receptor, wherein the sensor provides direct, in vitro binding to the receptor under assay conditions; (b) measuring an agent-biased binding of the sensor to the receptor; and (c) comparing the agent-biased binding with a corresponding unbiased binding of the sensor to the receptor. In particular embodiments, the sensor comprises an amphipathic alpha helix nuclear hormone interacting domain comprising a recited nuclear hormone transcriptional coactivator motif sequence, the sensor is present at sub-micromolar concentration, the binding reaction occurs in solution, the sensor comprises a fluorescent label and the measuring step comprises detecting fluorescence polarization of the label.
    Type: Grant
    Filed: September 30, 1998
    Date of Patent: September 5, 2006
    Assignee: Amgen, Inc.
    Inventors: Kevin Lustig, Patrick Baeuerle, Holger Beckmann, Jin-Long Chen, Bei Shan
  • Patent number: 7033810
    Abstract: The present invention provides nucleic acids encoding a novel ABC family cholesterol transporter, SSG. The herein-disclosed sequences can be used for any of a number of purposes, including for the diagnosis and treatment of cholesterol-associated disorders, including sitosterolemia, and for the identification of molecules that associate with and/or modulate the activity of SSG.
    Type: Grant
    Filed: April 18, 2001
    Date of Patent: April 25, 2006
    Assignee: Amgen Inc.
    Inventors: Hui Tian, Joshua Schultz, Bei Shan
  • Patent number: 6962929
    Abstract: The invention provides methods and compositions relating to novel pentafluorophenylsulfonamide derivatives and analogs and their use as pharmacologically active agents. The compositions find particular use as pharmacological agents in the treatment of disease states, particularly cancer, vascular restenosis, microbial infections, and psoriasis, or as lead compounds for the development of such agents.
    Type: Grant
    Filed: October 11, 2002
    Date of Patent: November 8, 2005
    Assignee: Tularik Inc.
    Inventors: John A. Flygare, Julio Cesar Medina, Bei Shan, David Louis Clark, Terry J. Rosen
  • Publication number: 20050214850
    Abstract: The present invention provides polypeptides of a novel ABC family cholesterol transporter, SSG. The herein-disclosed sequences can be used for any of a number of purposes, including for the diagnosis and treatment of cholesterol-associated disorders, including sitosterolemia, and for the identification of molecules that associate with and/or modulate the activity of SSG.
    Type: Application
    Filed: May 11, 2005
    Publication date: September 29, 2005
    Applicant: Tularik Inc.
    Inventors: Hui Tian, Joshua Schultz, Bei Shan
  • Patent number: 6906069
    Abstract: The invention provides compounds, compositions and methods for modulating the effects of LXR? in a cell. The compounds and compositions are useful both as diagnostic indicators of LXR? function and as pharmacologically active agents. The compounds and compositions find particular use in the treatment of disease states associated with cholesterol metabolism, particularly atherosclerosis and hypercholesterolemia.
    Type: Grant
    Filed: January 6, 2000
    Date of Patent: June 14, 2005
    Assignee: Amgen Inc.
    Inventors: Leping Li, Julio C. Medina, Bei Shan
  • Patent number: 6821750
    Abstract: The present invention provides nucleic acids encoding a novel ABC family cholesterol transporter, ABCG8. The herein-disclosed sequences can be used for any of a number of purposes, including for the diagnosis and treatment of cholesterol-associated disorders, including sitosterolemia, and for the identification of molecules that associate with and/or modulate the activity of ABCG8.
    Type: Grant
    Filed: November 20, 2001
    Date of Patent: November 23, 2004
    Assignees: Tularik Inc., Board of Regents, The University of Texas System
    Inventors: Helen H. Hobbs, Bei Shan, Robert Barnes, Hui Tian
  • Publication number: 20040176426
    Abstract: The present invention provides compounds, pharmaceutical compositions and methods that are useful in modulating the farnesoid X receptor (FXR). As FXR is involved in negatively controlling the expression level of cholesterol 7&agr;-hydroxylase (cyp7a), the rate-limiting enzyme involved in the oxidative metabolism of cholesterol into bile acids, the compounds described herein find utility in treating diseases associated with abnormally high or low cholesterol levels. In certain aspects, the FXR modulators (e.g., antagonists) described herein block the negative feed-back downregulation of cyp7a expression produced by certain cholic acids, the endogenous ligands for FXR. Moreover, as FXR forms heterodimers with the retinoid X receptor (RXR) in some cell types, modulation of the level of FXR activity in cells has a wide range of effects on a variety of biological processes which are mediated by RXR or other RXR-interacting proteins such as PPAR&ggr; and PPAR&agr;.
    Type: Application
    Filed: March 4, 2004
    Publication date: September 9, 2004
    Applicant: Tularik, Inc.
    Inventors: Jonathan Houze, Sharon McKendry, Joshua P. Gergely, Yi Xia, Bei Shan, Frank Kayser
  • Patent number: 6777446
    Abstract: The present invention provides compounds, pharmaceutical compositions and methods that are useful in modulating the farnesoid X receptor (FXR). As FXR is involved in negatively controlling the expression level of cholesterol 7&agr;-hydroxylase (cyp7a), the rate-limiting enzyme involved in the oxidative metabolism of cholesterol into bile acids, the compounds described herein find utility in treating diseases associated with abnormally high or low cholesterol levels. In certain aspects, the FXR modulators (e.g., antagonists) described herein block the negative feed-back downregulation of cyp7a expression produced by certain cholic acids, the endogenous ligands for FXR. Moreover, as FXR forms heterodimers with the retinoid X receptor (RXR) in some cell types, modulation of the level of FXR activity in cells has a wide range of effects on a variety of biological processes which are mediated by RXR or other RXR-interacting proteins such as PPAR&ggr; and PPAR&agr;.
    Type: Grant
    Filed: August 31, 2001
    Date of Patent: August 17, 2004
    Assignee: Tularik, Inc.
    Inventors: Jonathan Houze, Sharon McKendry, Joshua P. Gergely, Yi Xia, Bei Shan, Frank Kayser
  • Publication number: 20030162817
    Abstract: The invention provides methods and compositions relating to novel pentafluorophenylsulfonamide derivatives and analogs and their use as pharmacologically active agents. The compositions find particular use as pharmacological agents in the treatment of disease states, particularly cancer, vascular restenosis, microbial infections, and psoriasis, or as lead compounds for the development of such agents.
    Type: Application
    Filed: October 11, 2002
    Publication date: August 28, 2003
    Applicant: Tularik Inc.
    Inventors: John A. Flygare, Julio Cesar Medina, Bei Shan, David Louis Clark, Terry J. Rosen
  • Publication number: 20030153025
    Abstract: The invention provides methods and compositions for screening for pharmacological agents which regulate gene expression in mammals. An exemplary assay involves (a) contacting a mammalian cell comprising a knock-in mutant of a targeted native allele encoding a reporter of gene expression, wherein the expression of the reporter is under the control of the gene expression regulatory sequences of the native allele, with a candidate agent under conditions whereby but for the presence of the agent, the reporter is expressed at a first expression level; and, (b) measuring the expression of the reporter to obtain a second expression level, wherein a difference between the first and second expression levels indicates that the candidate agent modulates gene expression.
    Type: Application
    Filed: February 13, 2003
    Publication date: August 14, 2003
    Applicant: Tularik, Inc.
    Inventors: Bei Shan, R. Marc Learned, M. Catherine Amaral, Steven L. McKnight, Fabienne Charles de la Brousse, Jin-Long Chen
  • Patent number: 6566089
    Abstract: The invention provides methods and compositions for screening for pharmacological agents which regulate gene expression in mammals. An exemplary assay involves (a) contacting a mammalian cell comprising a knock-in mutant of a targeted native allele encoding a reporter of gene expression, wherein the expression of the reporter is under the control of the gene expression regulatory sequences of the native allele, with a candidate agent under conditions whereby but for the presence of the agent, the reporter is expressed at a first expression level; and, (b) measuring the expression of the reporter to obtain a second expression level, wherein a difference between the first and second expression levels indicates that the candidate agent modulates gene expression.
    Type: Grant
    Filed: May 31, 1997
    Date of Patent: May 20, 2003
    Assignee: Tularik Inc.
    Inventors: Bei Shan, R. Marc Learned, M. Catherine Amaral, Steven L. McKnight, Fabienne Charles de la Brousse, Jin-Long Chen
  • Patent number: 6555326
    Abstract: Methods for identifying modulators of nuclear hormone receptor function comprise the steps of (a) forming a mixture comprising a nuclear hormone receptor, a peptide sensor and a candidate agent, but not a natural coactivator protein of the receptor, wherein the sensor provides direct, in vitro binding to the receptor under assay conditions; (b) measuring an agent-biased binding of the sensor to the receptor; and (c) comparing the agent-biased binding with a corresponding unbiased binding of the sensor to the receptor. In particular embodiments, the sensor comprises an amphipathic alpha helix nuclear hormone interacting domain comprising a recited nuclear hormone transcriptional coactivator motif sequence, the sensor is present at sub-micromolar concentration, the binding reaction occurs in solution, the sensor comprises a fluorescent label and the measuring step comprises detecting fluorescence polarization of the label.
    Type: Grant
    Filed: November 21, 1997
    Date of Patent: April 29, 2003
    Assignee: Tularik Inc.
    Inventors: Kevin Lustig, Patrick Baeuerle, Holger Beckmann, Jin-Long Chen, Bei Shan
  • Publication number: 20030049730
    Abstract: The present invention provides nucleic acids encoding a novel ABC family cholesterol transporter, ABCG8. The herein-disclosed sequences can be used for any of a number of purposes, including for the diagnosis and treatment of cholesterol-associated disorders, including sitosterolemia, and for the identification of molecules that associate with and/or modulate the activity of ABCG8.
    Type: Application
    Filed: November 20, 2001
    Publication date: March 13, 2003
    Inventors: Helen H. Hobbs, Bei Shan, Robert Barnes, Hui Tian