Fused Or Hybrid Cells Patents (Class 435/70.2)
  • Patent number: 6689360
    Abstract: The present invention relates to antiproliferative genes. More specifically, isolated nucleic acid molecules are provided encoding the human B-cell translocation genes 2 and 3 (BTG-2 and BTG-3). BTG-2 and BTG-3 polypeptides are also provided, as are vectors, host cells and recombinant methods for producing the same. The invention further relates to antibodies to BTG-2 and BGT-3.
    Type: Grant
    Filed: April 30, 2001
    Date of Patent: February 10, 2004
    Assignee: Human Genome Sciences, Inc.
    Inventors: Charles A. Kunsch, Arvind Chopra, Craig A. Rosen
  • Patent number: 6689604
    Abstract: The structure and specificity of a recombinant &agr;2,3-sialyltransferase from Campylobacter spp., is disclosed. Also provided are methods for using the &agr;2,3-sialyltransferase in the production of desired carbohydrate structures and nucleic acids that encode the sialyltransferase.
    Type: Grant
    Filed: March 18, 1999
    Date of Patent: February 10, 2004
    Assignee: National Research Council of Canada
    Inventors: Michel Gilbert, Warren W. Wakarchuk
  • Patent number: 6660501
    Abstract: A process for the production of a protein by cell culture, where the cells that produce the protein are cultured in the presence of a chemical agent that enhances the production of the protein.
    Type: Grant
    Filed: December 21, 2001
    Date of Patent: December 9, 2003
    Assignee: Lonza Group, AG
    Inventor: Raymond Paul Field
  • Patent number: 6649421
    Abstract: The invention relates to antibodies against VASP (vasodilator-stimulated phosphoprotein) which only bind VASP as an antigen when VASP is present in phosphorylated form, to hybridoma cells for their preparation, and to the use of the antibodies or antibody fragments as diagnostic agents and/or therapeutic agents.
    Type: Grant
    Filed: June 21, 2000
    Date of Patent: November 18, 2003
    Assignee: Vasopharm Biotech GmbH
    Inventors: Martin Eigenthaler, Heinz Hoschuetzky, Ulrich Walter
  • Patent number: 6632976
    Abstract: A chimeric, non-human animal can be produced by a method that entails providing a microcell that contains one or more foreign chromosomes or fragment(s) thereof and then fusing the microcell with a pluripotent cell, thereby introducing the foreign chromosome(s) or fragment(s) into the latter. The pluripotent cell thus obtained can be used to generate a chimeric, non-human animal, the cells, tissues, and/or progeny of which can be the source of a product, such as an antibody, that is associated with one or more genes on the foreign chromosome(s) or fragment(s).
    Type: Grant
    Filed: March 2, 1998
    Date of Patent: October 14, 2003
    Assignee: Kirin Beer Kabushiki Kaisha
    Inventors: Kazuma Tomizuka, Hitoshi Yoshida, Kazunori Hanaoka, Mitsuo Oshimura, Isao Ishida
  • Patent number: 6630327
    Abstract: This invention relates to immunological reagents and methods specific for a mammalian, transmembrane protein termed Pgp, having a non-specific efflux pump activity established in the art as being a component of clinically-important multidrug resistance in cancer patients undergoing chemotherapy. The invention provides methods for developing and using immunological reagents specific for certain mutant forms of Pgp and for wild-type Pgp in a conformation associated with substrate binding or in the presence of ATP depleting agents. The invention also provides improved methods for purifying hematopoietic stems cells expressing Pgp and diagnostic and therapeutic methods for cancer cells expressing Pgp.
    Type: Grant
    Filed: September 16, 1999
    Date of Patent: October 7, 2003
    Assignee: Board of Trustees of the University of Illinois
    Inventors: Eugene Mechetner, Igor B. Roninson
  • Patent number: 6593109
    Abstract: The present invention relates to a methods for producing recombinant heterodimeric BMP proteins useful in the field of treating bone defects, healing bone injury and in wound healing in general. The invention also relates to the recombinant heterodimers and compositions containing them.
    Type: Grant
    Filed: February 9, 2001
    Date of Patent: July 15, 2003
    Assignee: Genetics Institute, Inc.
    Inventors: David Israel, Neil M. Wolfman
  • Patent number: 6551599
    Abstract: The present invention is directed to a method of producing monoclonal antibodies that are highly specific for (1) unique epitopes of Campylobacter jejuni (Cj) only and (2) epitopes conserved between Campylobacter jejuni and Campylobacter coli (Cc) outer membranes; to specific monoclonal antibodies made by the methods of the instant invention; and uses thereof The invention is drawn further to immunogens comprising the outer membrane complexes of Cj and Cc.
    Type: Grant
    Filed: March 16, 2001
    Date of Patent: April 22, 2003
    Assignee: The United States of America, as represented by the Secretary of Agriculture
    Inventors: Robert E. Mandrell, Anna H. Bates, David L. Brandon
  • Patent number: 6528625
    Abstract: The present invention relates to an antibody or functional portion thereof which binds to a mammalian (e.g., human) chemokine receptor 5 protein (CKR-5 or CCR5) or portion of the receptor. The invention further relates to a method of inhibiting the interaction of a cell bearing mammalian CCR5 with a ligand thereof. Another aspect of the invention relates to a method of inhibiting HIV infection of a cell which expresses a mammalian CCR5 or portion thereof using the antibodies described herein. Also encompassed by the present invention are methods of treating or preventing HIV in a patient.
    Type: Grant
    Filed: July 11, 1997
    Date of Patent: March 4, 2003
    Assignee: Millennium Pharmaceuticals, Inc.
    Inventors: Lijun Wu, Charles R. Mackay
  • Patent number: 6506882
    Abstract: The invention relates to human TNF delta and TNF epsilon polypeptides, polynucleotides encoding the polypeptides, methods for producing the polypeptides, in particular by expressing the polynucleotides, and agonists and antagonists of the polypeptides. The invention further relates to methods for utilizing such polynucleotides, polypeptides, agonists and antagonists for applications, which relate, in part, to research, diagnostic and clinical arts.
    Type: Grant
    Filed: February 26, 2002
    Date of Patent: January 14, 2003
    Assignee: Human Genome Sciences, Inc.
    Inventors: Guo-Liang Yu, Jian Ni, Reiner Gentz, Patrick J. Dillon
  • Patent number: 6472519
    Abstract: A molecule, protein or peptide characterized in that it is recognized by cytophilic antibodies from individuals who are immune to infection by Plasmodia, and recognized by non-cytophilic antibodies from individuals who are vulnerable to infection by Plasmodiae. Said antibodies are capable of blocking the erythrocytic phase of the parasite by co-operating with accessory cells such as monocytes.
    Type: Grant
    Filed: July 19, 1999
    Date of Patent: October 29, 2002
    Assignee: Institut Pasteur
    Inventors: Pierre Druilhe, Hasnaq Bouharoun-Tayoun, Claude Oeuvray
  • Patent number: 6451541
    Abstract: The present invention relates to methods for the detection or isolation of prion proteins by use of chaperones specifically binding to said proteins. The invention further relates to a method for in vitro diagnosis of a transmissible spongiform encephalopathy and to pharmaceutical compositions, preferably for the prevention or treatment of said disease.
    Type: Grant
    Filed: November 12, 1998
    Date of Patent: September 17, 2002
    Inventors: Ernst-Ludwig Winnacker, Stefan Weiss, Frank Edenhofer, Roman Rieger
  • Publication number: 20020106354
    Abstract: The present invention provides methods for depleting mitochondrial DNA from insulin secreting cells using antiviral compounds, and for producing mitochondrial cytoplasmic hybrid (“cybrid”) cells and animals from mitochondrial DNA depleted cells. Also provided are biological models for diseases associated with altered mitochondrial function, including NIDDM, and methods for diagnosis of such diseases and methods for screening agents useful for treating such diseases. Also provided are biological models and methods for evaluating an antiviral compound for its suitability for use in treating a virally-infected patient having a disease associated with impaired insulin secretion, and for evaluating modifications to antiviral compounds in order to determine if such modifications alter (e.g., ameriolate or exacerbate) undesirable side-effects associated with the antiviral compound.
    Type: Application
    Filed: April 28, 1999
    Publication date: August 8, 2002
    Inventors: CHRISTEN M. ANDERSON, WILLIAM CLEVENGER
  • Patent number: 6413746
    Abstract: Methods for obtaining a protein by culture of hybridoma cells, wherein said protein is an immunoglobulin, are disclosed. The methods involve culturing animal hybridoma cells in continuous presence of an alkanoic acid or salt thereof, which enhances protein production, wherein said alkanoic acid or salt thereof is present at 2 concentration range of 0.1 mM to 200 mM.
    Type: Grant
    Filed: September 11, 2000
    Date of Patent: July 2, 2002
    Assignee: Lonza Group, AG
    Inventor: Raymond Paul Field
  • Patent number: 6380363
    Abstract: The present invention relates to the discovery, identification and characterization of nucleotides that encode Ob receptor (ObR), a receptor protein that participates in mammalian body weight regulation. The invention encompasses obR nucleotides, host cell expression systems, ObR proteins, fusion proteins, polypeptides and peptides, antibodies to the receptor, transgenic animals that express an obR transgene, or recombinant knock-out animals that do not express the ObR, antagonists and agonists of the receptor, and other compounds that modulate obR gene expression or ObR activity that can be used for diagnosis, drug screening, clinical trial monitoring, and/or the treatment of body weight disorders, including but not limited to obesity, cachexia and anorexia.
    Type: Grant
    Filed: August 19, 1998
    Date of Patent: April 30, 2002
    Inventors: Louis A. Tartaglia, Robert I. Tepper, Janice A. Culpepper, David W. White
  • Patent number: 6372215
    Abstract: The invention provides antibodies and other binding agents that bind specifically to SRCR domains of human CD6 (hCD6) and have advantageous properties, including the capacity to substantially inhibit binding of activated leukocyte adhesion molecule (ALCAM) to hCD6. The binding agents of the invention are useful, inter alia, in methods for screening peptides and drugs that also bind to hCD6 and/or modulate ALCAM binding to hCD6, as well as in diagnostic and therapeutic methods for management and treatment of inflammatory and autoimmune diseases.
    Type: Grant
    Filed: February 25, 1998
    Date of Patent: April 16, 2002
    Assignee: Bristol-Myers Squibb Company
    Inventors: Gary C. Starling, Anthony W. Siadak, Michael A. Bowen, Alejandro A. Aruffo, Jurgen Bajorath, Dale L. Bodian, John E. Skonier
  • Patent number: 6368810
    Abstract: The invention provides a human glutathione S-transferase (GSTH) and polynucleotides which identify and encode GSTH. The invention also provides expression vectors, host cells, agonists, antibodies and antagonists. The invention also provides methods for treating and preventing disorders associated with expression of GSTH.
    Type: Grant
    Filed: April 16, 1999
    Date of Patent: April 9, 2002
    Assignee: Incyte Genomics, Inc.
    Inventors: Jennifer L. Hillman, Neil C. Corley, Purvi Shah
  • Patent number: 6319690
    Abstract: The invention relates to the preparation and use of gene banks of human antibodies (Ab). Starting from a mixture of human B-lymphocytes, their mRNA is translated into the cDNA using oligo-dT primers. Subsequently, an amplification of the Ab-specific cDNA by means of polymerase chain reaction (PCR) takes place using suitable oligonucleotide primer sequences. Expression of this amplified Ab-specific cDNA in a bacterial expression vector, e.g. the vector pFMT described below, in E. coli thus makes available a human-antibody library with a comprehensive repertoire for screening selected antigens in vitro.
    Type: Grant
    Filed: May 6, 1993
    Date of Patent: November 20, 2001
    Assignee: Dade Behring Marburg GmbH
    Inventors: Melvyn Little, Frank Berthold Breitling, Thomas Seehaus, Stefan Dübel, Iris Klewinghaus
  • Patent number: 6309880
    Abstract: A particular epitope located within the CD4-binding region of gpl20 of HIV-1, and antibodies specific for the epitope which can inhibit HIV-1 infection of human cells by diverse strains and isolates of the virus, is disclosed. The antibodies are useful for a number of purposes, including diagnosis of HIV-1 infection.
    Type: Grant
    Filed: July 9, 1993
    Date of Patent: October 30, 2001
    Assignee: Tanox, Inc.
    Inventors: Tse Wen Chang, Michael S. C. Fung, Bill N. C. Sun, Cecily R. Y. Sun, Nancy T. Chang
  • Patent number: 6300104
    Abstract: Disclosed is a method of producing secretory Ig molecules. The method comprises transfecting a cell producing an Ig with a polynucleotide encoding an SC to fonn SC transfected Ig producing cells. Secretory Ig molecules, such as secretory IgA, can be used to treat or prevent infection.
    Type: Grant
    Filed: June 10, 1998
    Date of Patent: October 9, 2001
    Assignee: The Regents of the University of California
    Inventors: Sherie L. Morrison, Kote R. Chintalacharuvu
  • Patent number: 6232447
    Abstract: The invention is directed to antibodies immunoreactive with a Human LERK-6 as a purified and isolated protein, the DNA encoding the LERK-6, host cells transfected with cDNAs encoding LERK-6.
    Type: Grant
    Filed: October 15, 1998
    Date of Patent: May 15, 2001
    Assignee: Immunex Corporation
    Inventor: Douglas P. Cerretti
  • Patent number: 6228618
    Abstract: Methods for enhancing the production of tissue plasminogen activator (tPA) in cell culture are disclosed. The methods involve culturing tPA-producing cells in growth media supplemented with an alkanoic acid or salt thereof at a concentration which enhances tPA production. The most preferred methods utilize butyric acid or sodium butyrate at a concentration of between 0.5 mM and 2.5 mM.
    Type: Grant
    Filed: October 22, 1997
    Date of Patent: May 8, 2001
    Assignee: Alusuisse Holdings A.G.
    Inventor: Raymond Paul Field
  • Patent number: 6207418
    Abstract: The present invention features a method of producing a multimeric protein from a hybrid cell formed from the fusion of two or more cells, each of which cell is engineered to express one component of the multimeric protein, as well as a method for screening for successful fusion of the cells to produce a desired hybrid cell. The methods of the invention are widely applicable to the production of proteins having two or more components.
    Type: Grant
    Filed: June 29, 1999
    Date of Patent: March 27, 2001
    Assignees: Abgenix, Inc., Japan Tobacco Inc.
    Inventors: Nobuaki Hori, Claude Geoffrey Davis, Krisztina M. Zsebo, Aya Jakobovits
  • Patent number: 6190880
    Abstract: The present invention relates to a methods for producing recombinant heterodimeric BMP proteins useful in the field of treating bone defects, healing bone injury and in wound healing in general. The invention also relates to the recombinant heterodimers and compositions containing them.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: February 20, 2001
    Assignee: Genetics Institute
    Inventors: David Israel, Neil M. Wolfman
  • Patent number: 6190668
    Abstract: An isolated and purified non-denatured transferrin receptor protein of a Moraxella strain, particularly M. catarrhalis, has an apparent molecular mass of about 80 to about 90 kDa, as determined by SDS-PAGE. The transferrin receptor protein or a fragment analog thereof is useful in diagnostic applications and immunogenic compositions, particularly for in vivo administration to a host to confer protection against disease caused by a strain of Moraxella. The transferrin receptor protein is isolated from strains of Moraxella catarrhalis by a procedure including extraction of agent soluble proteins of a cell mass produced by cultivating the strain under iron-starved conditions. The transferrin receptor protein is selectively solubilized from the extracted cell mass and purified.
    Type: Grant
    Filed: July 30, 1998
    Date of Patent: February 20, 2001
    Assignee: Connaught Laboratories Limited
    Inventors: Yan-Ping Yang, Lisa E. Myers, Robin E. Harkness, Michel H. Klein
  • Patent number: 6180102
    Abstract: This invention provides a monoclonal antibody which recognizes an epitope corresponding to amino acids 10 to 220, amino acids 221 to 297, or amino acids 469 to 662, counting from the N-terminus of a human Mx protein MxA, and specifically reacts with the human Mx protein by western blotting, immunoprecipitation or immunocyte staining, and a hybridoma which produces the antibody. The human Mx protein MxA monoclonal antibody of this invention can be used, for example, in the diagnosis of viral infection.
    Type: Grant
    Filed: October 2, 1998
    Date of Patent: January 30, 2001
    Assignees: Kyowa Hakko Kogyo Co., Ltd., Kyowa Medex Co., Ltd.
    Inventors: Nobuo Hanai, Kyosuke Nagata, Akiko Furuya, Akira Kusano, Noboru Taniguchi
  • Patent number: 6171792
    Abstract: Disclosed herein are methods for detecting complex protein interactions and protein functional relationships, and reagents for carrying out those methods.
    Type: Grant
    Filed: November 10, 1998
    Date of Patent: January 9, 2001
    Assignee: The General Hospital Corporation
    Inventors: Roger Brent, C. Wilson Xu, Andrew R. Mendelsohn, Walter L. Lok