Patents by Inventor Leroy E. Hood

Leroy E. Hood 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).

  • Publication number: 20030143520
    Abstract: The invention provides a method for assigning a cellular function to a component of a biochemical system. The method involves (a) determining a multidimensional shape space for one or more components of a biochemical system in a reference state; (b) perturbing a component within said biochemical system; (c) determining a perturbed multidimensional shape space for one or more components of a pathway in said perturbed biochemical system, and (d) identifying a multidimensional coordinate point corresponding to a component of said perturbed pathway altered between reference and perturbed multidimensional shape spaces, said identified component being assigned a cellular function of said perturbed pathway.
    Type: Application
    Filed: January 31, 2002
    Publication date: July 31, 2003
    Inventors: Leroy E. Hood, Andrew F. Siegel, Trey E. Ideker
  • Publication number: 20030130798
    Abstract: The invention provides methods of predicting a behavior of a biochemical system. In one embodiment, the method consists of comparing two or more data integration maps of a biochemical system obtained under different conditions, the data integration map comprising at least two networks, and identifying correlative changes in at least two value sets between said two or more data integration maps with different conditions, wherein the correlative changes predict a behavior of the biochemical system.
    Type: Application
    Filed: November 13, 2001
    Publication date: July 10, 2003
    Applicant: The Institute for Systems Biology
    Inventors: Leroy E. Hood, Trey E. Ideker
  • Publication number: 20030026780
    Abstract: The invention provides a composition containing two or more ADCC targeting molecules, each selective for different antigens on the surface of a target cell, and in a pharmaceutically acceptable medium. The composition can contain more than two binding species. The composition also can be a pentameric binding molecule. Also provided is a composition containing effector cells and two or more ADCC targeting molecule species in a pharmaceutically acceptable medium. The invention further provides a method of inducing antibody-dependent cell cytotoxicity (ADCC) against a target cell. The method consists of contacting the target cell in the presence of effector cells with two or more ADCC targeting molecule species each selective for different antigens on the surface of the target cell. A method of treating a pathological condition characterized by aberrant cell growth is also provided.
    Type: Application
    Filed: July 18, 2001
    Publication date: February 6, 2003
    Inventors: Leroy E. Hood, Alan Aderem
  • Publication number: 20020150891
    Abstract: The present invention provides isolated nucleic acid molecules encoding a variety of V&bgr; genes (e.g., V&bgr;25, V&bgr;26, V&bgr;27, V&bgr;28, V&bgr;29, V&bgr;30 or V&bgr;31) as well as both 5′ and 3′ sequences which flank a T cell receptor &bgr; gene. Also provided are kits of primers and kits of antibodies. Further, the present invention also provides methods for diagnosing organ transplant rejection, as well as methods for determining a correlation between a disease or disease susceptibility and a selected polymorphism.
    Type: Application
    Filed: March 5, 1999
    Publication date: October 17, 2002
    Inventors: LEROY E. HOOD, LEE ROWEN
  • Publication number: 20020123046
    Abstract: A process for the electrophoretic analysis of DNA fragments produced in DNA sequencing operations wherein chromophores or fluorophores are used to tag the DNA fragments produced by the sequencing chemistry and permit the detection and characterization of the fragments as they are resolved by electrophoresis through a gel. Preferably four different fragment sets are tagged with the fluorophores fluorescein, Texas Red, tetramethyl rhodamine, and 7-nitro-benzofurazan.
    Type: Application
    Filed: February 2, 2001
    Publication date: September 5, 2002
    Inventors: Lloyd M. Smith, Leroy E. Hood, Michael W. Hunkapiller, Tim J. Hunkapiller, Charles R. Connell
  • Publication number: 20020095259
    Abstract: The invention provides a method of determining a comparative expression profile in an individual by comparing the expression levels of a sample of molecules in a population of molecules in a specimen from the individual with a health-associated reference expression region of the sample of molecules, wherein expression levels within the health-associated reference expression region indicate a reference expression profile and wherein expression levels outside the health-associated reference expression region indicate a perturbed expression profile. The invention also provides methods of diagnosing a disease or a health state in an individual by comparing the expression level of a sample of molecules in a specimen from the individual with a health-associated reference expression region of the sample of molecules. The invention additionally provides a method of classifying a population by drug responsiveness.
    Type: Application
    Filed: July 30, 2001
    Publication date: July 18, 2002
    Inventors: Leroy E. Hood, Andrew F. Siegel
  • Publication number: 20010021771
    Abstract: The present invention provides nucleic acids encoding the Doppel (“Dpl”) protein, Dpl peptides, and assays utilizing the Dpl nucleic acids and/or peptides. In related aspects the invention features expression vectors and host cells comprising nucleic acids that encode a human Dpl polypeptide. The present invention also relates to antibodies that bind specifically to a human Dpl polypeptide, methods for producing human Dpl polypeptides, methods for identifying cells expressing Dpl, methods for using the Dpl gene and the Dpl polypeptide to alter cellular function and prion infectivity in culture or in vivo, and identification of individuals at risk for prion disorders by detecting alteration in Dpl coding and regulatory sequences and Dpl expression levels.
    Type: Application
    Filed: March 5, 2001
    Publication date: September 13, 2001
    Inventors: Stanley B. Prusiner, Patrick Tremblay, Richard Moore, David Westaway, Leroy E. Hood, Inyoul Lee
  • Patent number: 6277970
    Abstract: The present invention provides nucleic acids encoding the Doppel (“Dpl”) protein, Dpl peptides, and assays utilizing the Dpl nucleic acids and/or peptides. In related aspects the invention features expression vectors and host cells comprising nucleic acids that encode a human Dpl polypeptide. The present invention also relates to antibodies that bind specifically to a human Dpl polypeptide, methods for producing human Dpl polypeptides, methods for identifying cells expressing Dpl, methods for using the Dpl gene and the Dpl polypeptide to alter cellular function and prion infectivity in culture or in vivo, and identification of individuals at risk for prion disorders by detecting alteration in Dpl coding and regulatory sequences and Dpl expression levels.
    Type: Grant
    Filed: May 11, 1999
    Date of Patent: August 21, 2001
    Assignees: The Regents of the University of California, The University of Washington, Governing Council of the University of Toronto
    Inventors: Stanley B. Prusiner, Patrick Tremblay, Richard Moore, David Westaway, Leroy E. Hood, Inyoul Lee
  • Patent number: 6200748
    Abstract: This invention provides a duplex comprising an oligonucleotide primer and a template, wherein the primer is coupled chemically to a chromophore or fluorophore so as to allow chain extension by a polymerase. In one embodiment, the primer is extended by a polymerase to generate the complement of the template. In a further embodiment, the extended primer is separated from the template for use in a number of methods, including sequencing reactions. Methods of generating these compositions of matter are further provided.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: March 13, 2001
    Assignee: California Institute of Technology
    Inventors: Lloyd M. Smith, Leroy E. Hood, Michael W. Hunkapiller, Tim J. Hunkapiller, Charles R. Connell
  • Patent number: 5821058
    Abstract: A process for the electrophoretic analysis of DNA fragments produced in DNA sequencing operations wherein chromophores or fluorophores are used to tag the DNA fragments produced by the sequencing chemistry and permit the detection and characterization of the fragments as they are resolved by electrophoresis through a gel. Preferably four different fragment sets are tagged with the fluorophores fluorescein, Texas Red, tetramethyl rhodamine, and 7-nitrobenzofurazan. A system for the electrophoretic analysis of DNA fragments produced in DNA sequencing operations comprising: a source of chromophore or fluorescent tagged DNA fragments; a zone for contacting an electrophoresis gel; means for introducing said tagged DNA fragments to said zone; and photometric means for monitoring said tagged DNA fragments as they move through said gel.
    Type: Grant
    Filed: December 21, 1994
    Date of Patent: October 13, 1998
    Assignee: California Institute of Technology
    Inventors: Lloyd M. Smith, Leroy E. Hood, Michael W. Hunkapiller, Tim J. Hunkapiller, Charles R. Connell
  • Patent number: 5747249
    Abstract: A process for the electrophoretic analysis of DNA fragments produced in DNA sequencing operations wherein chromophores or fluorophores are used to tag the DNA fragments produced by the sequencing chemistry and permit the detection and characterization of the fragments as they are resolved by electrophoresis through a gel. Preferably four different fragment sets are tagged with the fluorophores fluorescein, Texas Red, tetramethyl rhodamine, and 7-nitro-benzofurazan. A system for the electrophoretic analysis of DNA fragments produced in DNA sequencing operations comprising: a source of chromophore or fluorescent tagged DNA fragments; a zone for contacting an electrophoresis gel; means for introducing said tagged DNA fragments to said zone; and photometric means for monitoring said tagged DNA fragments as they move through said gel.
    Type: Grant
    Filed: December 21, 1994
    Date of Patent: May 5, 1998
    Assignee: California Institute of Technology
    Inventors: Lloyd M. Smith, Leroy E. Hood, Michael W. Hunkapiller, Tim J. Hunkapiller, Charles R. Connell
  • Patent number: 5171534
    Abstract: A system for the electrophoretic analysis of DNA fragments produced in DNA sequencing operations comprising: a source of chromophore or fluorescent tagged DNA fragments; a zone for contacting an electrophoresis gel; means for introducing said tagged DNA fragments to said zone; and photometric means for monitoring said tagged DNA fragments as they move through said gel.
    Type: Grant
    Filed: October 15, 1990
    Date of Patent: December 15, 1992
    Assignee: California Institute of Technology
    Inventors: Lloyd M. Smith, Leroy E. Hood, Michael W. Hunkapiller, Tim J. Hunkapiller
  • Patent number: 4886743
    Abstract: This invention provides a reagent capable of binding to T cells and having specificity for a unique sequence within the variable region of the .beta. chain of the T cell receptor, the presence of increased number of T cells carrying the unique sequence relative to the number of T cells carrying the sequence present in a normal subject being associated with a specific disease. Specific diseases such as human cancers, e.g. lymphomas; autoimmune diseases, e.g. rheumatoid arthritis; Alzheimer's disease; infectious diseases, e.g. those caused by bacteria, yeast or parasite; or allergies, may be diagnosed as follows. A suitable sample containing T cells is obtained from a subject. The sample is contacted under appropriate conditions with such a reagent. If the subject's cells contain the unique sequence, a detectable complex is formed between the reagent and T cells which contain the sequence.
    Type: Grant
    Filed: April 24, 1985
    Date of Patent: December 12, 1989
    Assignee: California Institute of Technology
    Inventors: Leroy E. Hood, Irving L. Weissman, Michael S. McGrath
  • Patent number: 4704256
    Abstract: An improved apparatus and method for the sequential performance of chemical processes on a sample of chemical material wherein the sample is embedded in a solid matrix of fluid permeable material located within a reaction chamber and is sequentially subjected to a plurality of fluids passed through the chamber in a pressurized stream, causing chemical interaction between the sample and the fluids.
    Type: Grant
    Filed: November 10, 1982
    Date of Patent: November 3, 1987
    Assignee: California Institute of Technology
    Inventors: Leroy E. Hood, Michael W. Hunkapiller, William J. Dreyer, Rodney M. Hewick, Anton W. Stark
  • Patent number: 4610847
    Abstract: Conversion flask for use is an apparatus for the sequential performance of chemical processes on a sample of chemical material. The flask includes at least three capillary tubes and a large bore tube extending into the interior thereof for the introduction and withdrawal of various fluids. The capillary tubes are constructed to introduce a plurality of fine bubbles into a liquid within the flask to agitate the liquid and accelerate drying, to impinge chemicals on the walls of the flask, and to produce a spray onto the interior walls of the flask in proximity to its upper end to wash down the interior walls of the flask.
    Type: Grant
    Filed: April 23, 1984
    Date of Patent: September 9, 1986
    Assignee: California Institute of Technology
    Inventors: Leroy E. Hood, Michael W. Hunkapiller, William J. Dreyer, Rodney M. Hewick, Anton W. Stark
  • Patent number: 4603114
    Abstract: An improved method for the sequential performance of chemical processes on a sample of chemical material wherein the sample is embedded in a solid matrix of fluid permeable material located within a reaction chamber and is sequentially subjected to a plurality of fluids passed through the chamber in a pressurized stream, causing chemical interaction between the sample and the fluids.
    Type: Grant
    Filed: April 20, 1984
    Date of Patent: July 29, 1986
    Assignee: California Institute of Technology
    Inventors: Leroy E. Hood, Michael W. Hunkapiller, William J. Dreyer, Rodney M. Hewick, Anton W. Stark
  • Patent number: 4252769
    Abstract: An improved apparatus for the performance of chemical processes having a reaction chamber with an open end, a reaction cell mounted within the chamber and having a substantially cylindrical interior wall in which is formed an annular groove, and means for spinning the cell about its axis to distribute a chemical compound on the interior wall as a thin film, which includes a closure member mounted for rotation about an axis displaced from the axis of the cell, and a fluid conduit extending through the closure member and terminating at an inner end within the cell for the withdrawal of fluid therefrom. The inner end of the conduit is displaced from the axis of rotation of the closure member and is positioned substantially opposite the annular groove such that it is actuable for adjustment between a first location displaced radially from the annular groove and a second location substantially within the groove by rotation of the closure member through a preselected angle.
    Type: Grant
    Filed: December 26, 1979
    Date of Patent: February 24, 1981
    Assignee: California Institute of Technology
    Inventors: Leroy E. Hood, Michael W. Hunkapiller