Patents Examined by Robert A. Schwartzman
  • Patent number: 6210924
    Abstract: The invention concerns eukaryotic cells useful in protein expression comprising (a) an inserted nucleic acid encoding a cyclin D gene product and (b) an inserted nucleic acid encoding a protein of interest, wherein the cyclin D gene product and the protein of interest are expressed in the cell. The invention also concerns a process for producing a protein of interest, which comprises (a) inserting into a eukaryotic cell a nucleic acid encoding a cyclin D gene product and a nucleic acid encoding a protein of interest; (b) culturing the cell under conditions permitting the expression of the protein of interest; and (c) isolating the protein of interest. The cells are preferably mammalian, with CHO cells most preferred. The cyclin D gene product is preferably of human origin. Suitable proteins of interest include erythropoietin (EPO), osteoprotegerin (OPG), OPG-Fc, leptin, Fc-leptin, and Novel Erythropoiesis Stimulating Protein (NESP).
    Type: Grant
    Filed: August 10, 1999
    Date of Patent: April 3, 2001
    Assignee: Amgen Inc.
    Inventors: Shaw-Fen Sylvia Hu, Jean Marie Gudas, David William Brankow
  • Patent number: 6210708
    Abstract: The present invention relates to a positively charged virosome for efficient delivery of genetic material to resting or proliferating mammalian cells in vitro and in vivo. The virosome membrane contains cationic and/or polycationic lipids, at least one viral fusion peptide and preferably at least one cell-specific marker, advantageously selected from the group consisting of monoclonal antibodies, antibody fragments F(ab′)2 and Fab′, cytokines, and growth factors, for a selective detection and binding of target cells. The invention further relates to a method for the manufacture of the novel virosomes and to applications thereof, particularly for the manufacture of pharmaceutical compositions to treat cancer or leukemia.
    Type: Grant
    Filed: October 8, 1999
    Date of Patent: April 3, 2001
    Assignee: Nika Health Products Limited
    Inventors: Ernst Rudolf Walti, Reinhard Gluck, Peter Klein
  • Patent number: 6207377
    Abstract: The present invention relates to cloned DNA containing origin of DNA replication and to cloned DNA encoding repliation protein, RepT.
    Type: Grant
    Filed: August 14, 1998
    Date of Patent: March 27, 2001
    Assignee: New England Biolabs, Inc.
    Inventors: Jay Wayne, Shuang-yong Xu
  • Patent number: 6207366
    Abstract: Chronic fatigue syndrome is diagnosed through quantification of low and high molecular weight forms of RNase L in cellular extracts of RNase L-containing cells such as peripheral blood mononuclear cells. A ratio of low to high molecular weight RNase L of more than 0.15 is characteristic of chronic fatigue syndrome.
    Type: Grant
    Filed: April 13, 2000
    Date of Patent: March 27, 2001
    Assignee: Temple University- Of the Commonwealth System of Higher Education
    Inventor: Robert J. Suhadolnik
  • Patent number: 6207420
    Abstract: A fusion sequence having a carrier protein which is preferably an E. coli protein having a predicted solubility probability of at least 90% fused to a target heterologous peptide or protein, and a host cell (especially E. coli) transformed with, or having integrated into its genome, a DNA sequence comprising a DNA encoding a carrier protein as defined herein fused to the DNA sequence of a selected heterologous peptide or protein. This fusion sequence is under the control of an expression control sequence capable of directing the expression of a fusion protein in the cell. An objective of the present invention is to improve the purification process of recombinant fusion proteins by avoiding the initial expression of these fusion proteins in E. coli as insoluble inclusion bodies.
    Type: Grant
    Filed: November 23, 1999
    Date of Patent: March 27, 2001
    Assignee: The Board of Regents of the University of Oklahoma
    Inventors: Roger G. Harrison, Gregory D. Davis
  • Patent number: 6207450
    Abstract: Methods and compositions for treating glaucoma and methods and compositions for prognosing or diagnosing glaucoma in a subject are disclosed.
    Type: Grant
    Filed: May 22, 1998
    Date of Patent: March 27, 2001
    Assignee: University of Iowa Research Foundation
    Inventors: Val C. Sheffield, Wallace L. M. Alward, Edwin M. Stone, Darryl Nishimura, Shiva Patil
  • Patent number: 6207146
    Abstract: Proteins such as human &bgr;-interferon or human erythropoietin are prepared by culturing mammalian cells which harbour a nucleic acid sequence comprising: (i) a coding sequence which encodes the desired protein and which is operably linked to a promoter capable of directing expression of the coding sequence in a mammalian cell in the presence of a heavy metal ion; and (ii) a first selectable marker sequence comprises a metallothionein gene and which is operably linked to a promoter capable of directing expression of the metallothionein gene in a mammalian cell in the presence of a heavy metal ion; and optionally (iii) a second selectable marker sequence which comprises a neo gene and which is operably linked to a promoter capable of directing expression of the neo gene in a mammalian cell.
    Type: Grant
    Filed: October 24, 1997
    Date of Patent: March 27, 2001
    Assignee: Institute of Molecular and Cell Biology
    Inventors: Yin Hwee Tan, Wanjin Hong
  • Patent number: 6207453
    Abstract: The present invention relates to a transduction system, comprising (a) a rep-negative AAV vector containing a foreign DNA and (b) a product providing an AAV Rep protein. The invention also relates to the use of the transduction system.
    Type: Grant
    Filed: May 5, 1999
    Date of Patent: March 27, 2001
    Assignee: Medigene AG
    Inventors: Gerd Maass, Christoph Bogedain, Michael Hallek, Clemens Wendtner, Doris Michl
  • Patent number: 6207819
    Abstract: Synthetic processes are provided wherein mixed backbone oligomeric compounds are prepared having at least one phosphodiester intemucleoside linkage in addition to one or more phosphorothioate, phosphoramidate and boranophosphate internucleoside linkages. Novel H-phosphonate intermediates are also disclosed that are useful in the synthetic processes. The synthetic processes use a novel oxidation step to oxidize H-phosphonate internuleoside linkages to phosphodiester internuleoside linkages without degradation of adjacent phosphorothioate, phosphoramidate and boranophosphate internucleoside linkages. Also provided are synthetic intermediates useful in such processes.
    Type: Grant
    Filed: February 12, 1999
    Date of Patent: March 27, 2001
    Assignee: Isis Pharmaceuticals, Inc.
    Inventors: Muthiah Manoharan, Martin A. Maier
  • Patent number: 6207426
    Abstract: The present invention provides a conditionally replicating viral vector, methods of making, modifying, propagating and selectively packaging, and using such a vector, isolated molecules of specified nucleotide and amino acid sequences relevant to such vectors, a pharmaceutical composition and a host cell comprising such a vector, the use of such a host cell to screen drugs. The methods include the prophylactic and therapeutic treatment of viral infection, in particular HIV infection, and, thus, are also directed to viral vaccines and the treatment of cancer, in particular cancer of viral etiology. Other methods include the use of such conditionally replicating viral vectors in gene therapy and other applications.
    Type: Grant
    Filed: February 16, 1999
    Date of Patent: March 27, 2001
    Assignee: The Johns Hopkins University School of Medicine
    Inventors: Boro Dropulić, Paula M. Pitha
  • Patent number: 6204253
    Abstract: The invention relates to polypeptides that bind to the oncogene product mdm2 and the uses of the identified polypeptides in therapeutic compositions to treat aberrant cell division in humans.
    Type: Grant
    Filed: March 26, 1999
    Date of Patent: March 20, 2001
    Assignee: Ludwig Institute for Cancer Research
    Inventors: Xin Lu, Shan Zhong
  • Patent number: 6204055
    Abstract: Compounds, compositions and methods are provided for inhibiting Fas mediated signaling. The compositions comprise antisense compounds targeted to nucleic acids encoding Fas, FasL and Fap-1. Methods of using these antisense compounds for inhibition of Fas, FasL and Fap-1 expression and for treatment of diseases, particularly autoimmune and inflammatory diseases and cancers, associated with overexpression or constitutive activation of Fas, FasL or Fap-1 are provided.
    Type: Grant
    Filed: April 12, 1999
    Date of Patent: March 20, 2001
    Assignee: Isis Pharmaceuticals, Inc.
    Inventors: Nicholas M. Dean, Eric G. Marcusson
  • Patent number: 6203795
    Abstract: The application provides a polypeptide and a pharmaceutical composition which comprises said polypeptide, wherein said polypeptide is recognized by a particular antibody H23, which recognizes a particular tumor antigen expressed on breast cancer cells. This antibody specifically binds to an epitope comprising a tandem repeat sequence of 20 amino acids comprised in a transmembrane form as well as a secreted form of the polypeptides specifically bound by antibody H23.
    Type: Grant
    Filed: May 22, 1998
    Date of Patent: March 20, 2001
    Assignee: Transgene S.A.
    Inventors: Pierre Chambon, Marie-Paule Kieny, Richard Lathe, Mara Hareuveni
  • Patent number: 6203991
    Abstract: The present method provides a method for inhibiting restenosis associated with mechanical injury of a blood vessel. Human heme oxygenase I (HO1) is directly administered at the site of injury. The present inventors have discovered that carbon monoxide generated by HO1 is involved in the molecular pathogenesis of vascular proliferative disorders. By using adenoviral-mediated expression of inducible heme oxygenase 1 in primary vascular smooth muscle cells (vsmc) in vivo, the present inventors demonstrate that in vivo expression of HO1 can be used to treat restenosis.
    Type: Grant
    Filed: August 20, 1999
    Date of Patent: March 20, 2001
    Assignee: The Regents of the University of Michigan
    Inventors: Gary J. Nabel, Elizabeth G. Nabel
  • Patent number: 6200599
    Abstract: The present invention provides ortho ester lipids and their derivatives that, upon certain pH conditions, undergo hydrolysis with concomitant or subsequent headgroup cleavage. These ortho ester lipids can advantageously be formulated into liposomes. The liposome formulations are useful in nucleic acid transfection and entrapment/delivery of conventional small molecules and therapeutic agents. Moreover, the liposomes comprising compounds of the present invention are useful as drug delivery vehicles.
    Type: Grant
    Filed: October 7, 1999
    Date of Patent: March 13, 2001
    Assignee: The Regents of the University of California
    Inventors: Michael H. Nantz, Ji Zhu
  • Patent number: 6200812
    Abstract: The invention relates to methods for targeting an exogenous polynucleotide or exogenous complementary polynucleotide pair to a predetermined endogenous DNA target sequence in a target cell by homologous pairing, particularly for altering an endogenous DNA sequence, such as a chromosomal DNA sequence, typically by targeted homologous recombination. In certain embodiments, the invention relates to methods for targeting an exogenous polynucleotide having a linked chemical substituent to a predetermined endogenous DNA sequence in a metabolically active target cell, generating a DNA sequence-specific targeting of one or more chemical substituents in an intact nucleus of a metabolically active target cell, generally for purposes of altering a predetermined endogenous DNA sequence in the cell.
    Type: Grant
    Filed: April 8, 1999
    Date of Patent: March 13, 2001
    Assignee: SRI International
    Inventors: Sushma Pati, David A. Zarling
  • Patent number: 6200960
    Abstract: The present invention provides a method of inhibiting the proliferation of cells. The method comprises inhibiting induction or decreasing expression of Egr-1 or decreasing the nuclear accumulation or activity of the Egr-1 gene product. The present invention also provides a method of reducing the incidence of restenosis in a subject. The method comprises administering to the subject an agent which inhibits induction or decreases expression of Egr-1 or decreases the nuclear accumulation or activity of the Egr-1 gene product.
    Type: Grant
    Filed: April 13, 1999
    Date of Patent: March 13, 2001
    Assignee: Unisearch Limited
    Inventor: Levon Michael Khachigian
  • Patent number: 6200759
    Abstract: The present invention makes available an interaction trap system (hereinafter “ITS”) which is derived using recombinantly engineered prokaryotic cells.
    Type: Grant
    Filed: April 21, 1999
    Date of Patent: March 13, 2001
    Assignee: President and Fellows of Harvard College
    Inventors: Simon Dove, Keith J. Joung, Ann Hochschild
  • Patent number: 6200754
    Abstract: Disclosed are methods for the treatment of proliferative disorders using compounds and/or environmental conditions which result in a difference in sensitivity of targeted and non-targeted cells. Certain of the methods involve the identification and use of allele-specific inhibitors of conditionally essential genes.
    Type: Grant
    Filed: March 19, 1998
    Date of Patent: March 13, 2001
    Assignee: Variagenics, Inc.
    Inventors: David E. Housman, Fred D. Ledley, Vincent P. Stanton, Jr.
  • Patent number: 6200956
    Abstract: Pharmaceutical composition useful for transfecting a nucleic acid and characterised in that it contains, in addition to the nucleic acid, at least one transfecting agent and a compound causing the condensation of the nucleic acid, wherein the compound is totally or partly derived from a histone, a nucleoline, a protamine and/or a derivative thereof. The use of the composition for transferring nucleic acids in vitro, ex vivo and/or in vivo is also described.
    Type: Grant
    Filed: May 6, 1999
    Date of Patent: March 13, 2001
    Assignee: Aventis Pharma S.A.
    Inventors: Daniel Scherman, GĂ©rardo Byk, Bertrand Schwartz