Patents Assigned to Signal Pharmaceuticals, Inc.
  • Patent number: 7202049
    Abstract: Compositions and methods are provided for the treatment of diseases associated with mitogen activated protein kinase cascades. In particular, the mitogen-activated protein kinase p38-2, and polypeptide variants thereof that stimulate phosphorylation and activation of substrates such as ATF2, are provided. The polypeptides may be used, for example, to identify antibodies and other agents that inhibit or activate signal transduction via the p38-2 kinase cascade. Such polypeptides and agents may also be used for the treatment of diseases associated with mitogen-activated protein kinase cascades.
    Type: Grant
    Filed: July 16, 2002
    Date of Patent: April 10, 2007
    Assignee: Signal Pharmaceuticals, Inc.
    Inventors: Bernd Stein, Maria X. H. Yang, David B. Young
  • Patent number: 6897231
    Abstract: Compounds having activity as selective inhibitors of JNK are disclosed. The compounds of this invention are indazole derivatives having the following structure: wherein R1, R2 and A are as defined herein. Such compounds have utility in the treatment of a wide range of conditions that are responsive to JNK inhibition. Thus, methods of treating such conditions are also disclosed, as are pharmaceutical compositions containing one or more compounds of the above compounds.
    Type: Grant
    Filed: July 23, 2001
    Date of Patent: May 24, 2005
    Assignee: Signal Pharmaceuticals, Inc.
    Inventors: Shripad S. Bhagwat, Yoshitaka Satoh, Steven T. Sakata, Chris A. Buhr, Ronald Albers, John Sapienza, Veronique Plantevin, Qi Chao, Kiran Sahasrabudhe, Rachel Ferri
  • Patent number: 6835567
    Abstract: Conditionally-immortalized PNS progenitor cell lines are provided. Such cell lines, which may be clonal, may be used to generate neurons. The cell lines and/or differentiated cells may be used for the development of therapeutic agents to prevent and treat a variety of PNS-related diseases. The cell lines and/or differentiated cells may also be used in assays and for the general study of PNS cell development, death and abnormalities.
    Type: Grant
    Filed: April 14, 1998
    Date of Patent: December 28, 2004
    Assignee: Signal Pharmaceuticals, Inc.
    Inventors: Dinah W. Y. Sah, Heather K. Raymon
  • Publication number: 20040235112
    Abstract: Compositions and methods are provided for potentiating the activity of the mitogen-activated protein kinase p38. In particular the mitogen-activated protein kinase kinase MEK6, and variants thereof that stimulate phosphorylation of p38 are provided. Such compounds may be used, for example, for therapy of diseases associated with the p38 cascade and to identify antibodies and other agents that inhibit or activate signal transduction via p38.
    Type: Application
    Filed: June 16, 2004
    Publication date: November 25, 2004
    Applicant: Signal Pharmaceuticals, Inc.
    Inventors: Bernd Stein, Maria X. H. Yang
  • Publication number: 20040082575
    Abstract: Compounds that modulate the estrogen receptor (ER) are disclosed, as well as pharmaceutical compositions containing the same. In a specific embodiment, the compounds are selective for ER-&bgr; over ER-&agr;. Methods are disclosed for modulating ER-&bgr; in cell and/or tissues expressing the same, including cells and/or tissue that preferentially ER-&bgr;. Methods for treating estrogen-related conditions are also disclosed, including conditions such as is breast cancer, testicular cancer, osteoporosis, endometriosis, cardiovascular disease, hypercholesterolemia, prostatic hypertrophy, prostatic carcinomas, obesity, hot flashes, skin effects, mood swings, memory loss, urinary incontinence, hairloss, cataracts, natureal hormonal imbalances, and adverse reproductive effects associated with exposure to environmental chemicals.
    Type: Application
    Filed: May 7, 2003
    Publication date: April 29, 2004
    Applicant: Signal Pharmaceuticals, Inc.
    Inventors: Shripad S. Bhagwat, Leah Marie Gayo-Fung, Bernd M. Stein, Qi Chao, Anthony R. Gangloff, Jeffrey A. McKie, Kenneth D. Rice
  • Publication number: 20040077877
    Abstract: Compounds having activity as selective inhibitors of JNK are disclosed.
    Type: Application
    Filed: September 26, 2003
    Publication date: April 22, 2004
    Applicant: Signal Pharmaceuticals, Inc.
    Inventors: Shripad S. Bhagwat, Yoshitaka Satoh, Steven T. Sakata, Chris A. Buhr, Ronald Albers, John Sapienza, Veronique Plantevin, Qi Chao, Kiran Sahasrabudhe, Rachel Ferri
  • Patent number: 6686351
    Abstract: Compounds that modulate the estrogen receptor (ER) are disclosed, as well as pharmaceutical compositions containing the same. In a specific embodiment, the compounds are selective modulators for ER-&bgr; over ER-&agr;. Methods are disclosed for modulating ER-&bgr; in cell and/or tissues expressing the same, including cells and/or tissue that preferentially express ER-&bgr;. More generally, methods for treating estrogen-related conditions are also disclosed, including conditions such as is breast cancer, testicular cancer, osteoporosis, endometriosis, cardiovascular disease, hypercholesterolemia, prostatic hypertrophy, prostatic carcinomas, obesity, hot flashes, skin effects, mood swings, memory loss, urinary incontinence, hairloss, cataracts, natural hormonal imbalances, and adverse reproductive effects associated with exposure to environmental chemicals.
    Type: Grant
    Filed: February 27, 2002
    Date of Patent: February 3, 2004
    Assignee: Signal Pharmaceuticals, Inc.
    Inventors: Shripad S. Bhagwat, Leah M. Gayo-Fung, Qi Chao
  • Patent number: 6677130
    Abstract: Compositions and methods are provided for the treatment of diseases associated with mitogen activated protein kinase cascades. In particular, the mitogen-activated protein kinase p38-2, and polypeptide variants thereof that stimulate phosphorylation and activation of substrates such as ATF2, are provided. The polypeptides may be used, for example, to identify antibodies and other agents that inhibit or activate signal transduction via the p38-2 kinase cascade. Such polypeptides and agents may also be used for the treatment of diseases associated with mitogen-activated protein kinase cascades.
    Type: Grant
    Filed: November 28, 2000
    Date of Patent: January 13, 2004
    Assignee: Signal Pharmaceuticals, Inc.
    Inventors: Bernd Stein, Maria X. H. Yang, David B. Young
  • Patent number: 6656713
    Abstract: Compositions and methods for modulating the activation of nuclear factor &kgr;B (NF-&kgr;B) are provided. The compositions comprise one or more agents that modulate ubiquitination of phosphorylated I&kgr;B&agr; and/or I&kgr;B&bgr;. Such compositions may be used for treating diseases associated with NF-&kgr;B activation. Modulating agents include human E3 ubiquitin ligases, antibodies thereto and variants thereof, as well as related proteins.
    Type: Grant
    Filed: April 9, 2001
    Date of Patent: December 2, 2003
    Assignee: Signal Pharmaceuticals, Inc.
    Inventors: Anthony M. Manning, Frank Mercurio, Sharon Amit, Yinon Ben-Neriah, Matti Davis, Ada Hatzubai, Avraham Yaron, Irit Alkalay, Aaron Ciechanover
  • Publication number: 20030175928
    Abstract: Compositions and methods are provided for potentiating the activity of the mitogen-activated protein kinase p38. In particular the mitogen-activated protein kinase kinase MEK6, and variants thereof that stimulate phosphorylation of p38 are provided. Such compounds may be used, for example, for therapy of diseases associated with the p38 cascade and to identify antibodies and other agents that inhibit or activate signal transduction via p38.
    Type: Application
    Filed: April 2, 2003
    Publication date: September 18, 2003
    Applicant: Signal Pharmaceuticals, Inc.
    Inventors: Bernd Stein, Maria X. H. Yang
  • Patent number: 6620838
    Abstract: Benzopyranone compounds having the following structure: wherein R1, X, Y and n are as defined here, are disclosed. The compounds of formula (I), wherein R1 is H, can be prepared by demethylation of the corresponding phenolic methyl ether. The compounds are useful for treating a bone-resorbing disease, cancer, arthritis or an estrogen-related condition such as breast cancer, osteoporosis and endometriosis.
    Type: Grant
    Filed: April 19, 2002
    Date of Patent: September 16, 2003
    Assignee: Signal Pharmaceuticals, Inc.
    Inventors: Jeffrey A. McKie, Shripad S. Bhagwat, Johanne Renaud, Martin Missbach
  • Publication number: 20030149025
    Abstract: This invention relates to methods for using benzopyranones, or their pharaceutically acceptable salts, for treating or preventing a primary brain cancer or a brain metastasis.
    Type: Application
    Filed: September 30, 2002
    Publication date: August 7, 2003
    Applicant: Signal Pharmaceuticals, Inc.
    Inventor: Jerome B. Zeldis
  • Patent number: 6593322
    Abstract: Compounds that modulate the estrogen receptor (ER) are disclosed, as well as pharmaceutical compositions containing the same. In a specific embodiment, the compounds are selective for ER-&bgr; over ER-&agr;. Methods are disclosed for modulating ER-&bgr; in cell and/or tissues expressing the same, including cells and/or tissue that preferentially ER-&bgr;. Methods for treating estrogen-related conditions are also disclosed, including conditions such as is breast cancer, testicular cancer, osteoporosis, endometriosis, cardiovascular disease, hypercholesterolemia, prostatic hypertrophy, prostatic carcinomas, obesity, hot flashes, skin effects, mood swings, memory loss, urinary incontinence, hairloss, cataracts, natureal hormonal imbalances, and adverse reproductive effects associated with exposure to environmental chemicals.
    Type: Grant
    Filed: September 21, 2000
    Date of Patent: July 15, 2003
    Assignee: Signal Pharmaceuticals, Inc.
    Inventors: Shripad S. Bhagwat, Leah Marie Gayo-Fung, Bernd M. Stein, Qi Chao, Anthony R. Gangloff, Jeffrey A. McKie, Kenneth D. Rice
  • Publication number: 20030119072
    Abstract: Methods are provided for identifying agents that modulate signaling mediated by transforming growth factor beta (TGF-&bgr;) and members of the TGF-&bgr; family, such as bone morphogenic protein (BMP). Such agents may be identified using screens that evaluate candidate agents for the ability to modulate Smad protein degradation. Agents identified as described herein may be used to augment or inhibit signaling mediated by one or more TGF-&bgr; family members in a variety of cell types and for therapeutic purposes.
    Type: Application
    Filed: December 2, 2002
    Publication date: June 26, 2003
    Applicant: Signal Pharmaceuticals, Inc.
    Inventors: Merl F. Hoekstra, Weilin Xie, Brion W. Murray, Frank M. Mercurio
  • Patent number: 6576437
    Abstract: Compositions and methods are provided for treating NF-&kgr;B-related conditions. In particular, the invention provides a stimulus-inducible IKK signalsome, and components and variants thereof. An IKK signalsome or component thereof may be used, for example, to identify antibodies and other modulating agents that inhibit or activate signal transduction via the NF-&kgr;B cascade. IKK signalsome, components thereof and/or modulating agents may also be used for the treatment of diseases associated with NF-&kgr;B activation.
    Type: Grant
    Filed: April 27, 2001
    Date of Patent: June 10, 2003
    Assignee: Signal Pharmaceuticals, Inc.
    Inventors: Frank Mercurio, Hengyi Zhu, Miguel Barbosa, Jian Wu Li, Brion W. Murray
  • Publication number: 20030087901
    Abstract: Compounds that modulate the estrogen receptor (ER) are disclosed, as well as pharmaceutical compositions containing the same. In a specific embodiment, the compounds are selective modulators for ER-&bgr; over ER-&agr;. Methods are disclosed for modulating ER-&bgr; in cell and/or tissues expressing the same, including cells and/or tissue that preferentially express ER-&bgr;. More generally, methods for treating estrogen-related conditions are also disclosed, including conditions such as is breast cancer, testicular cancer, osteoporosis, endometriosis, cardiovascular disease, hypercholesterolemia, prostatic hypertrophy, prostatic carcinomas, obesity, hot flashes, skin effects, mood swings, memory loss, urinary incontinence, hairloss, cataracts, natural hormonal imbalances, and adverse reproductive effects associated with exposure to environmental chemicals.
    Type: Application
    Filed: February 27, 2002
    Publication date: May 8, 2003
    Applicant: Signal Pharmaceuticals, Inc.
    Inventors: Shripad S. Bhagwat, Leah M. Gayo-Fung, Qi Chao
  • Publication number: 20030073732
    Abstract: Isothiazoloanthrones, isooxazoloanthrones, isoindolanthrones, and derivatives thereof having the general formula: 1
    Type: Application
    Filed: February 7, 2002
    Publication date: April 17, 2003
    Applicant: Signal Pharmaceuticals, Inc.
    Inventors: Steven T. Sakata, Heather K. Raymon
  • Publication number: 20030059881
    Abstract: Compositions and methods are provided for the treatment of diseases associated with mitogen activated protein kinase cascades. In particular, the mitogen-activated protein kinase p38-2, and polypeptide variants thereof that stimulate phosphorylation and activation of substrates such as ATF2, are provided. The polypeptides may be used, for example, to identify antibodies and other agents that inhibit or activate signal transduction via the p38-2 kinase cascade. Such polypeptides and agents may also be used for the treatment of diseases associated with mitogen-activated protein kinase cascades.
    Type: Application
    Filed: July 16, 2002
    Publication date: March 27, 2003
    Applicant: Signal Pharmaceuticals, Inc.
    Inventors: Bernd Stein, Maria X.H. Yang, David B. Young
  • Publication number: 20030054528
    Abstract: Compositions and methods are provided for the treatment of diseases associated with mitogen activated protein kinase cascades. In particular, the mitogen-activated protein kinase p38-2, and polypeptide variants thereof that stimulate phosphorylation and activation of substrates such as ATF2, are provided. The polypeptides may be used, for example, to identify antibodies and other agents that inhibit or activate signal transduction via the p38-2 kinase cascade. Such polypeptides and agents may also be used for the treatment of diseases associated with mitogen-activated protein kinase cascades.
    Type: Application
    Filed: July 18, 2002
    Publication date: March 20, 2003
    Applicant: Signal Pharmaceuticals, Inc.
    Inventors: Bernd Stein, Maria X. H. Yang, David B. Young
  • Patent number: 6521601
    Abstract: A method and pharmaceutical composition for inhibiting viral replication in infected cells are described. The pharmaceutical composition includes a DNA fragment which has covalently linked strands. The DNA fragment contains a 6-30 basepair region whose sequence corresponds to that of a regulatory element in a virus. The method includes introducing a fragment into the cell in an amount sufficient to inhibit replication of the virus in the cell.
    Type: Grant
    Filed: April 14, 1992
    Date of Patent: February 18, 2003
    Assignee: Signal Pharmaceuticals, Inc.
    Inventor: Mark D. Carman