Indirect Assay Patents (Class 435/7.95)
  • Patent number: 7816090
    Abstract: A method of analyzing a sample for one or more analytes of interest includes: providing an element having a base layer; a layer containing streptavidin; a spreading layer, wherein the streptavidin may or may not be in the spreading layer; providing immunocomponents and labeled immunoreactants which may be in the spreading layer or may be combined with the sample; dispensing the sample, and optionally the immunocomponents and a labeled immunoreactant onto the spreading layer at three or more areas, wherein each center of the three or more areas is substantially equidistance to the center formed by the three or more areas, and wherein each area contacts an adjacent area such that wash fluid flow in any direction will contact sample; washing the sample and label by directing the wash fluid at the center formed by the three or more areas, whereby the wash fluid equally flows over each of the three or more areas; and taking a measurement at each three or more areas to determine the presence or concentration of the
    Type: Grant
    Filed: January 10, 2007
    Date of Patent: October 19, 2010
    Assignee: Ortho-Clinical Diagnostics, Inc.
    Inventor: Merrit N. Jacobs
  • Patent number: 7811770
    Abstract: The present invention relates to antibodies specifically binding to native proBNP, a method for specific detection of native proBNP, a method of correlating the level of native proBNP to the diagnosis of heart failure, a kit for detection of native proBNP and to a hybridoma cell line producing an antibody to native proBNP.
    Type: Grant
    Filed: December 22, 2006
    Date of Patent: October 12, 2010
    Assignee: Roche Diagnostics Operations, Inc.
    Inventors: Anneliese Borgya, Andreas Gallusser, Michael Grol, Klaus Hallermayer, Volker Klemt, Christoph Seidel
  • Patent number: 7807380
    Abstract: The present invention relates to antibodies specifically binding to native proBNP, a method for specific detection of native proBNP, a method of correlating the level of native proBNP to the diagnosis of heart failure, a kit for detection of native proBNP and to a hybridoma cell line producing an antibody to native proBNP.
    Type: Grant
    Filed: December 5, 2006
    Date of Patent: October 5, 2010
    Assignee: Roche Diagnostics Operations, Inc.
    Inventors: Anneliese Borgya, Andreas Gallusser, Michael Grol, Klaus Hallermayer, Volker Klemt, Christoph Seidel
  • Patent number: 7807349
    Abstract: A method and a device are disclosed for monitoring the synthesis of proteins by the ribosome in real time, in vivo as well as in in-vitro. The ribosome is engineered to carry a donor fluorophore, and tRNA and/or amino acids and/or some other part of the ribosome are either engineered to carry acceptor fluorophores or else their natural fluorescent properties are utilized as acceptors. As the ribosomes mechanism processed the mRNA and tRNA molecules and synthesizes a polypeptide chain, a light source illuminates the ribosome, exciting the donor fluorophores and thereby the acceptor fluorophores whenever these are in sufficient proximity to a donor. The resulting signals are detected and used as a key for real-time database searching and identification of the protein being synthesized. The resulting data can be tabulated and interpreted in different ways. FIG. (1) describes the properties of a FRET pair and the dependence of FRET on pair distance.
    Type: Grant
    Filed: November 27, 2003
    Date of Patent: October 5, 2010
    Assignee: Anima Cell Metrology
    Inventor: Zeev Smilansky
  • Patent number: 7803569
    Abstract: An arterial thrombosis risk factor comprising one or more of the identified mutants of coagulation factor VII activating protease (FSAP) is described. In addition, diagnostic determination methods for detecting these mutants which are identified as risk factors are described.
    Type: Grant
    Filed: December 5, 2006
    Date of Patent: September 28, 2010
    Assignee: CSL Behring GmbH
    Inventors: Stefan Kiechl, Johann Willeit, Christian Josef Wiedermann, Juergen Roemisch, Thomas Weimer, Annette Feussner, Hans-Arnold Stoehr, Volker Doersam, Wiegand Lang, Margret Becker, Claudia Nerlich, Gudrun Muth-Naumann, Bernd Knoblauch
  • Patent number: 7803565
    Abstract: It is disclosed herein that isolated lymphocytes, such as human B-cells and CD4+ T-cell can be used to determine an amount of lymphocyte-associated anthrax lethal toxin activity present. Methods of using isolated lymphocytes to identify anthrax therapeutic agents and to determine the efficacy of a potential anthrax therapeutic are disclosed. Methods are also provided for diagnosing and treating anthrax infections.
    Type: Grant
    Filed: April 5, 2006
    Date of Patent: September 28, 2010
    Assignee: The United States of America as represented by the Department of Health and Human Services
    Inventors: David M. Frucht, Hui Fang
  • Patent number: 7794692
    Abstract: The invention provides binding proteins that bind to misfolded or monomeric SOD1, and not to native homodimeric SOD1. The invention also includes methods of diagnosing, detecting or monitoring amyotrophic lateral sclerosis in a subject. In addition, the invention provides methods of identifying substances for the treatment or prevention of amyotrophic lateral sclerosis and kits using the binding proteins of the invention.
    Type: Grant
    Filed: December 1, 2006
    Date of Patent: September 14, 2010
    Assignees: Amorfix Life Sciences Ltd., University Health Network
    Inventors: Avijit Chakrabartty, Neil R. Cashman, Rishi Rakhit
  • Patent number: 7781182
    Abstract: The invention relates to assays for measuring ubiquitin ligase activity and for identifying modulators of ubiquitin ligase enzymes.
    Type: Grant
    Filed: January 9, 2006
    Date of Patent: August 24, 2010
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Sarkiz D. Issakani, Jianing Huang, Julie Sheung, Todd R. Pray
  • Patent number: 7776553
    Abstract: Screening assays and methods of performing such assays are provided. In certain examples, the assays and methods may be designed to determine whether or not two or more species can associate with each other. In some examples, the assays and methods may be used to determine if a known antigen binds to an unknown monoclonal antibody.
    Type: Grant
    Filed: September 18, 2006
    Date of Patent: August 17, 2010
    Assignee: Presidents and Fellows of Harvard College
    Inventors: J. Christopher Love, Hidde L. Ploegh, Jehnna Ronan
  • Patent number: 7771960
    Abstract: Isolated nucleic acid molecules having a nucleotide sequence encoding feline pancreatic lipase polypeptides, splice variants, allelic variants, and fragments thereof. Isolated feline pancreatic lipase polypeptides, splice variants, allelic variants, and fragments thereof. Host cells comprising a vector containing the polynucleotide sequences and methods for expressing the polypeptides. The generation of monoclonal antibodies that specifically binds to the feline pancreatic lipase polypeptides, and cell lines secreting the monoclonal antibodies. Methods for determining the presence or amount of feline pancreatic lipase in a biological sample. The methods include using standards or calibrators of recombinant feline pancreatic lipase to quantify the lipase in a sample. Devices and kits for performing methods for detecting feline pancreatic lipase in biological samples.
    Type: Grant
    Filed: October 15, 2008
    Date of Patent: August 10, 2010
    Assignee: IDEXX Laboratories, Inc.
    Inventors: Philip Andersen, Melissa Jane Beall, Jesse Buch, Ku-chuan Hsiao, Stacey Pazar Huth, Eugene Regis, Barbara O'Brien, Marilyn Strong-Townsend
  • Patent number: 7759133
    Abstract: Methods of detecting and/or quantifying an IgE antibody present in a liquid sample. The IgE antibody is specific to a ligand in the form of an antigen, an antibody, or a hapten. These methods can be used for monitoring and evaluating the immunological status of a subject.
    Type: Grant
    Filed: December 21, 1999
    Date of Patent: July 20, 2010
    Assignee: ALK-Abello A/S
    Inventor: Joost Van Neerven
  • Patent number: 7749723
    Abstract: A method and apparatus for implementing the method is provided. The method involves performing an indirect competitive binding assay on a microarray to identify biological or chemical targets and screen for compounds of interest. The microarray comprises a common ligand located among membrane-, lipid- or protein-associated active binding sites. The method takes advantage of known or well-characterized binding kinetics, and steric interference between biological or chemicals targets of interest and universal readout units for different binding sites within the limited confines of a microspot. The biological targets, chemicals or organisms can specifically bind to target-binding sites, while the universal readout unit binds to the ligands in the microspot.
    Type: Grant
    Filed: October 11, 2006
    Date of Patent: July 6, 2010
    Assignee: Corning Incorporated
    Inventor: Ye Fang
  • Patent number: 7745146
    Abstract: The present invention is in the field of autoimmunity. More specifically, the present invention relates to the detection of autoantibodies to domain 4 of beta 2-glycoprotein I (?2-GPI) as an indicator for atherosclerosis.
    Type: Grant
    Filed: July 26, 2007
    Date of Patent: June 29, 2010
    Assignee: Inova Diagnostics, Inc.
    Inventors: G. Michael Iverson, Walter L. Binder, Gary L. Norman
  • Patent number: 7745142
    Abstract: Assays for detecting molecular modifications such as phosphate modifications and the presence and/or activity of enzymes and other agents involved in facilitating or otherwise regulating such modifications.
    Type: Grant
    Filed: December 23, 2003
    Date of Patent: June 29, 2010
    Assignee: Molecular Devices Corporation
    Inventors: Annegret Boge, Luke D. Lavis, J. Richard Sportsman, Merl F. Hoekstra, Wei Huang
  • Patent number: 7741050
    Abstract: The invention relates to a method for detecting disease-associated autoantibodies, which recognize extracellular structures of G protein-coupled receptors, and to the use of peptides, which comprise these loops or fragments thereof, for treating autoimmune diseases.
    Type: Grant
    Filed: November 28, 2003
    Date of Patent: June 22, 2010
    Assignee: Max-Delbrueck-Centrum fuer Molkulare Medizin
    Inventor: Gerd Wallukat
  • Patent number: 7736859
    Abstract: The invention relates to a method for detecting an infection of a mammal with an acid-resistant microorganism, wherein (a) a stool sample of a mammal is incubated with at least two different monoclonal antibodies, fragments or derivatives thereof or aptamers under conditions allowing a complex formation of antigens of the acid-resistant microorganism with antibodies, fragments or derivatives thereof or the aptamers, and wherein (aa) the first monoclonal antibody or the fragment or the derivative thereof or the first aptamer specifically binds an epitope of the first antigen, which shows at least with some mammals a structure after the intestinal passage that corresponds to the native structure or the structure which a mammal produces antibodies against after being infected or immunised with the acid-resistant microorganism or an extract or lysate thereof or a protein therefrom or a fragment thereof or a synthetic peptide; (ab) the second monoclonal antibody or the fragment or the derivative thereof or the sec
    Type: Grant
    Filed: August 31, 2006
    Date of Patent: June 15, 2010
    Assignee: Oxoid (ELY) Limited
    Inventors: Christian Reiter, Gerhard Cullman, Ulrike Friedrichs, Petra Heppner, Meret Lakner, Achim Ringeis
  • Patent number: 7723059
    Abstract: A method to facilitate recovery troponin I and/or troponin T from a sample comprising addition of troponin C to the sample or to a surface from which the troponin I and/or troponin T are recovered.
    Type: Grant
    Filed: February 9, 2007
    Date of Patent: May 25, 2010
    Assignee: Biosite Incorporated
    Inventors: Kenneth F. Buechler, Paul H. McPherson
  • Patent number: 7718388
    Abstract: The present invention relates to methods for detecting or quantifying an analyte in a test sample including providing at least one test mixture including a test sample, at least one marker complex, wherein each marker complex includes a particle, a marker, and one member of a coupling group, a first binding material selected to bind to a portion of the analyte, a second binding material selected to bind with a portion of the analyte other than the portion of the analyte for which the first binding material is selected, analyte analog, and/or marker conjugate. The at least one test mixture is passed through a membrane. The amount of marker on the membrane is detected and correlated to the presence or amount of analyte in the test sample.
    Type: Grant
    Filed: November 10, 2006
    Date of Patent: May 18, 2010
    Assignee: Cornell Research Foundation, Inc.
    Inventor: Antje J. Baeumner
  • Patent number: 7713705
    Abstract: The present invention provides methods for the identification and use of diagnostic markers for differential diagnosis of diseases. In a various aspects, the invention relates to methods and compositions able to determine the presence or absence of one, and preferably a plurality, of diseases that exhibit one or more similar or identical symptoms. Such methods and compositions can be used to provide assays and assay devices for use in determining the disease underlying one or more non-specific symptoms exhibited in a clinical setting.
    Type: Grant
    Filed: December 27, 2002
    Date of Patent: May 11, 2010
    Assignee: Biosite, Inc.
    Inventors: Kenneth F. Buechler, Alan Maisel
  • Patent number: 7700297
    Abstract: Arterial and venous endothelial cells are molecularly distinct from the earliest stages of angiogenesis. This distinction is revealed by expression on arterial cells of a transmembrane ligand, called EphrinB2 whose receptor EphB4 is expressed on venous cells. Targeted disruption of the EphrinB2 gene prevents the remodeling of veins from a capillary plexus into properly branched structures. Moreover, it also disrupts the remodeling of arteries, suggesting that reciprocal interactions between pre-specified arterial and venous endothelial cells are necessary for angiogenesis.
    Type: Grant
    Filed: February 18, 2005
    Date of Patent: April 20, 2010
    Assignee: California Institute of Technology
    Inventors: Hai U. Wang, Zhoufeng Chen, David J. Anderson
  • Patent number: 7682807
    Abstract: A method of diagnosing Alzheimer's disease in a patient comprises determining whether the phosphorylation level of an indicator protein in cells of the patient after stimulus with an activator compound is abnormally elevated as compared to a basal phosphorylation level, the indicator protein being e.g. Erk1/2 and the activator compound being e.g. bradykinin.
    Type: Grant
    Filed: February 27, 2002
    Date of Patent: March 23, 2010
    Assignee: Blanchette Rockefeller Neurosciences Institute
    Inventors: Wei-Qin Zhao, Daniel L. Alkon
  • Patent number: 7662560
    Abstract: Described is a method for discriminating complex biological samples using an array of discrete biological sensing elements immobilized onto a solid support in which constituents bound to the sensor array is directly determined by measuring the mass increase on the surface; data analysis of said method is performed using neutral network or statical based pattern recognition techniques. In a preferred embodiment the liquid sample is tested for the presence of soluble constituent(s) by contacting said sample with said sensor array under specific conditions, removing unbound sample constituent(s), determining the mass increase on the surface and comparising said mass increase data with a reference standard using pattern recognition software.
    Type: Grant
    Filed: January 25, 2005
    Date of Patent: February 16, 2010
    Inventors: Michael Mecklenburg, Bengt Danielsson, Fredrick Wingvist
  • Patent number: 7658911
    Abstract: A methods, kits and compositions for diagnosing a central nervous system disorder, particularly transient ischemic attack or stroke, comprising measuring the level of NR2A and/or NR2B NMDA receptor or fragment thereof, in a biological sample from a human subject, and optionally measuring other biomarkers such as homocysteine and glutamate. The method is particularly useful for identifying individuals that are at risk for stroke, and for diagnosing stroke in an emergency room setting.
    Type: Grant
    Filed: January 25, 2006
    Date of Patent: February 9, 2010
    Assignee: CIS Biotech, Inc.
    Inventor: Svetlana A. Dambinova
  • Patent number: 7625718
    Abstract: SVCT2 is consistently expressed at high levels in brain microvessel endothelial cells. Disclosed herein are assays for determining whether a test material/molecule is a substrate for, and/or is actively transported by, the SVCT2 transporter, and therefore a candidate substrate for crossing the blood brain barrier. The assays are useful in screening for therapeutic, cytotoxic or imaging compounds used in the treatment or diagnosis of neurological diseases.
    Type: Grant
    Filed: July 25, 2006
    Date of Patent: December 1, 2009
    Assignee: XenoPort, Inc.
    Inventor: Noa Zerangue
  • Patent number: 7622114
    Abstract: A methods, kits and compositions for diagnosing a central nervous system disorder, particularly transient ischemic attack or stroke, comprising measuring the level of NR2A and/or NR2B NMDA receptor or fragment thereof, in a biological sample from a human subject, and optionally measuring other biomarkers such as homocysteine and glutamate. The method is particularly useful for identifying individuals that are at risk for stroke, and for diagnosing stroke in an emergency room setting.
    Type: Grant
    Filed: January 25, 2006
    Date of Patent: November 24, 2009
    Assignee: CIS Biotech, Inc.
    Inventor: Svetlana A. Dambinova
  • Patent number: 7622100
    Abstract: A methods, kits and compositions for diagnosing a central nervous system disorder, particularly transient ischemic attack or stroke, comprising measuring the level of NR2A and/or NR2B NMDA receptor or fragment thereof, in a biological sample from a human subject, and optionally measuring other biomarkers such as homocysteine and glutamate. The method is particularly useful for identifying individuals that are at risk for stroke, and for diagnosing stroke in an emergency room setting.
    Type: Grant
    Filed: March 9, 2005
    Date of Patent: November 24, 2009
    Assignee: CIS Biotech, Inc.
    Inventor: Svetlana A. Dambinova
  • Patent number: 7611858
    Abstract: Traumatic insult to the brain leads to a degradation of low molecular weight of cannabinoid type 1 receptor (CB1) and generation of high molecular weight complexes in the cortex and hippocampus, as assessed by both N-terminal and C-terminal specific antibodies. The formation and release of CB1 oligomers was dramatically increased into CSF within 1 hour following traumatic brain insult. Novel CB1 receptor-based, prognostic markers of traumatic brain injury and other forms of brain injury are disclosed. A method of repopulating damaged neural cells by proliferation of a subgroup of neural progenitor cells is described. Targeting CB1 receptors for therapeutic neuroprotection in TBI is also disclosed.
    Type: Grant
    Filed: April 20, 2007
    Date of Patent: November 3, 2009
    Assignee: University of Florida Research Foundation, Inc.
    Inventors: Stanislav Svetlov, Ronald L. Hayes, Ka-Wang (Kevin) Wang
  • Patent number: 7611855
    Abstract: Using two types of antibodies, i.e., a first antibody having a higher affinity for a target substance than for a competitive substance and a second antibody having a higher affinity for the competitive substance than for the target substance, a specimen is treated with these two antibodies. Then, the competitive substance in the specimen first binds to the second antibody and thus the ratio of the target substance to the competitive substance in the specimen is enlarged. As a result, the target substance becomes liable to bind to the first antibody and, in its turn, the reactivity of the target substance is elevated compared with the case of using the first antibody alone. Thus, the target substance in the specimen can be accurately assayed while avoiding the effects of the competitive substance contained in the specimen.
    Type: Grant
    Filed: December 24, 2003
    Date of Patent: November 3, 2009
    Assignee: Nitto Boseki Co., Ltd.
    Inventors: Tatsuya Ohashi, Toshihide Miura, Yoshihiko Igarashi, Fumio Nomura, Takeshi Tomonaga, Katsuhiro Katayama
  • Patent number: 7611853
    Abstract: Malarial parasite Plasmodium falciparum is responsible for the most severe form of malaria in humans, causing about 2 million deaths every year. Lack of effective vaccines and emergence of drug-resistant strains necessitate the need of novel drug targets to treat the disease. The present invention describes a novel assay method of identifying candidate compounds as anti-malarials based on the property of binding to plasmodial parasite 90 kDa heat shock protein.
    Type: Grant
    Filed: December 1, 2003
    Date of Patent: November 3, 2009
    Assignee: Indian Institute of Science
    Inventors: Tatu Utpal, Pavithra Soundara Raghavan, Banumathy Gowrishankar
  • Patent number: 7608414
    Abstract: Disclosed are methods for diagnosing and prognosing Inflammatory Bowel disease or Crohn's disease (CD) by measuring levels of antibodies to glycans in a biological sample.
    Type: Grant
    Filed: February 8, 2006
    Date of Patent: October 27, 2009
    Assignee: Glycominds, Ltd
    Inventors: Nir Dotan, Avinoam Dukler, Rom T. Altstock
  • Patent number: 7604952
    Abstract: A method having clinically sufficient degree of diagnostic accuracy for detecting the presence of coronary artery disease in a human patient from the general population and for distinguishing between the stages of the disease in that patient is disclosed. The stages are, first, the non-acute stage, which is either asymptomatic coronary artery disease or stable angina, second, the acute stage known as unstable angina, and, third, the acute stage known as acute myocardial infarction. The diseased state (as opposed to the non-diseased state) is indicated by the clinically significant presence of a first marker in a sample from the patient. The presence of one of the two acute stages, unstable angina or acute myocardial infarction, is indicated by the clinically significant presence of a second marker in a sample from the patient. The presence of the more severe acute stage known as acute myocardial infarction is indicated by the clinically significant presence of a third marker in a sample from the patient.
    Type: Grant
    Filed: January 16, 2007
    Date of Patent: October 20, 2009
    Assignee: Leuven Research & Development VZW
    Inventors: Paul N. Holvoet, Désiré J. Collen
  • Patent number: 7604946
    Abstract: Assay systems and specialized antibodies for the detection and quantitation of troponin I and troponin T in body fluids as an indicator of myocardial infarction. Since troponin I and T exist in various conformations in the blood, the ratios of the monomeric troponin I an T and the binary and ternary complexes, as well as which form of troponin present in the blood, may be related to the metabolic state of the heart. Disclosed is a system to determine the presence of a troponin form or a group of troponin forms in a sample of whole blood, serum or plasma. Disclosed is a stabilized composition of troponin; the stabilized composition can comprise a stabilized composition of troponin I, wherein the troponin I is oxidized, the troponin I can be unbound or the troponin I can be in a complex.
    Type: Grant
    Filed: May 21, 2004
    Date of Patent: October 20, 2009
    Assignee: Biosite Incorporated
    Inventors: Kenneth F. Buechler, Paul H. McPherson
  • Patent number: 7598351
    Abstract: The anti-19P2 ligand monoclonal antibodies of the invention (in particular P2L-1Ca) have very high binding ability and can neutralize the arachidonic acid metabolite releasing activity of the 19P2 ligand. Therefore, they can be used, among others, as diagnostic, prophylactic and/or therapeutic agents for various diseases caused by some or other abnormality in the pituitary function modulating activity (e.g. prolactin secretion promoting activity), central nervous system modulating activity and pancreatic function modulating activity, among others, supposedly possessed by the 19P2 ligand.
    Type: Grant
    Filed: December 3, 2004
    Date of Patent: October 6, 2009
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Hirokazu Matsumoto, Chieko Kitada, Shuji Hinuma
  • Patent number: 7592150
    Abstract: Disclosed are methods for diagnosing Crohn's disease (CD) or anti-phospholipid syndrome by measuring levels of antibodies to glycans in a biological sample.
    Type: Grant
    Filed: December 3, 2003
    Date of Patent: September 22, 2009
    Assignee: Glycominds, Ltd
    Inventors: Nir Dotan, Avinoam Dukler
  • Patent number: 7582441
    Abstract: Methods and compositions for diagnosing and treating diseases, particularly cancer, associated with differential expression of cancer-associated targets (CAT) in disease cells compared to healthy cells are provided. Also provided are antagonists and agonists of CAT, and methods for screening agents that modulate CAT level or activity in vivo or in vitro.
    Type: Grant
    Filed: December 7, 2006
    Date of Patent: September 1, 2009
    Assignee: Celera Corporation
    Inventors: Steve Ruben, Candy N. Lee, Bruno Domon
  • Patent number: 7582443
    Abstract: The invention is a procedure for measuring the binding of an entity (ligand) to a surface by using a hapten-conjugated version of the ligand (hapten-ligand). An excess of the hapten-ligand is presented to the binding surface and excess (unbound) hapten-ligand is washed off. Bound hapten-ligand is then solubilized (removed) and applied to a membrane support or separated by electrophoresis and applied to a membrane support. Known amounts of hapten-ligand are similarly applied to the membrane, to provide for hapten-ligand standards. The membrane-bound hapten-ligand is detected by application of an enzyme-conjugated antibody to the hapten; or by application of an antibody to the hapten followed by application of an enzyme-conjugated antibody to the anti-hapten antibody. The resultant membrane-associated enzyme is detected and quantitated by the application of a color or light-producing substrate which reacts with the enzyme.
    Type: Grant
    Filed: December 5, 2001
    Date of Patent: September 1, 2009
    Inventor: Philip Gerard Cavanaugh
  • Patent number: 7575881
    Abstract: Screening assays that allow for the identification of agents that modulate the activity of the arginylation branch of the N-end rule pathway are provided. Also provided are method of using an agent that modulate the activity of the arginylation branch of the N-end rule pathway to increase or decrease protein degradation in a cell, and to modulate physiologic and pathologic associated with N-end rule pathway mediated arginylation.
    Type: Grant
    Filed: September 16, 2005
    Date of Patent: August 18, 2009
    Assignee: California Institute of Technology
    Inventors: Rong-Gui Hu, Jun Sheng, Yong Tae Kwon, Anna Kashina, Alexander Varshavsky
  • Patent number: 7569675
    Abstract: A lagomorph derived monoclonal antibody for recognizing the progesterone receptor (PR) (clone SP2) with immunohistochemistry and methods for creating such an antibody are disclosed. No need of target retrieval in immunohistochemistry is their prominent advantage compared to currently available PR antibody. Furthermore, the very low background when the lagomorph derived monoclonal antibody is used in immunohistochemistry is also impressive. The immunohistochemistry comparative study with about fifty clinical specimens showed that the new PR antibody (clone SP2) antibody had favorable results when compared to mouse monoclonal antibody PR (clone 1A6), the best one in the current market. The PR antibody may prove of great value in the assessment of PR status in human breast cancer. Humanized versions of the PR antibody may provide therapeutic benefits.
    Type: Grant
    Filed: September 11, 2002
    Date of Patent: August 4, 2009
    Assignee: Spring Bioscience Corporation
    Inventors: Haiying Xia, Zhida Huang
  • Patent number: 7566542
    Abstract: The present invention relates to the diagnosis of breast cancer. It discloses the use of protein ASC in the diagnosis of breast cancer. It relates to a method for diagnosis of breast cancer from a liquid sample, derived from an individual by measuring ASC in the sample. Measurement of ASC can, e.g., be used in the early detection or diagnosis of breast cancer.
    Type: Grant
    Filed: April 14, 2006
    Date of Patent: July 28, 2009
    Assignee: Roche Diagnostics Operations, Inc.
    Inventors: Gabriele Pestlin, Herbert Andres, Peter Berndt, Marie-Luise Hagmann, Johann Karl, Hanno Langen, Werner Zolg
  • Patent number: 7563587
    Abstract: The present invention relates to a method for analysing a cell sample for cell surface-bound or intracellularly bound analytes by providing an array of immobilised specific binding agents for a set of different ligands, where each ligand is specific to a respective cell surface-bound or intracellularly bound analyte, and using the array and the set of ligands in an inhibition type or a direct type assay format to determine cell surface-bound or intracellularly bound analytes in the cell sample. The invention also relates to assay kits for cell characterization.
    Type: Grant
    Filed: March 31, 2004
    Date of Patent: July 21, 2009
    Assignee: GE Healthcare Bio-Sciences AB
    Inventors: Robert Karlsson, Pascale Richalet-Secordel
  • Patent number: 7553631
    Abstract: Methods for screening molecules that modulate the activity of Retinol Binding Protein 4 (RBP4) and their use in treatment of insulin resistance are described. Also described are methods of diagnosing insulin resistance and related conditions by detecting modulation of RBP4 activity.
    Type: Grant
    Filed: December 10, 2004
    Date of Patent: June 30, 2009
    Assignee: Beth Israel Deaconess Medical Center, Inc.
    Inventors: Barbara B. Kahn, Qin Yang, Tim Graham, Odile Peroni
  • Patent number: 7537908
    Abstract: There is disclosed a pharmaceutical composition and method for treating sepsis, including septic shock and ARDS (acute respiratory distress syndrome), comprising administering an effective amount of a HMG1 antagonist. There is further disclosed a diagnostic method for monitoring the severity or potential lethality of sepsis or septic shock, comprising measuring the serum concentration of HMG1 in a patient exhibiting or at risk or exhibit sepsis or septic shock symptoms. Lastly, there is disclosed a pharmaceutical composition and method for effecting weight loss or treating obesity, comprising administering an effective amount of HMG1 or a therapeutically active HMG1 fragment.
    Type: Grant
    Filed: December 1, 2005
    Date of Patent: May 26, 2009
    Assignee: The Feinstein Institute for Medical Research
    Inventors: Kevin J. Tracey, Haichao Wang
  • Patent number: 7537938
    Abstract: A method is provided for detecting biomarkers in rare circulating cells by forming an enriched population of cells immunomagnetically followed by biomarker detection using binding compounds having releasable molecular tags. Preferably, biomarkers comprising one or more protein-protein complexes are detected in circulating cancer cells metastasized from a solid tumor. In the presence of biomarkers, the molecular tags of the binding compounds are released and separated from the assay mixture for detection and/or quantification.
    Type: Grant
    Filed: January 26, 2004
    Date of Patent: May 26, 2009
    Assignee: Monogram Biosciences, Inc.
    Inventors: Hrair Kirakossian, Thomas Klopack, Sharat Singh
  • Patent number: 7524642
    Abstract: Provided are methods and compositions for assaying for ubiquitin agents that are enzymatic components of ubiquitin-mediated proteolysis and, more particularly, methods and compositions for assaying for agents that modulate the activity of such ubiquitin agents.
    Type: Grant
    Filed: October 2, 2006
    Date of Patent: April 28, 2009
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Sarkiz D. Issakani, Jianing Huang, Julie Sheung, Todd R. Pray
  • Patent number: 7517663
    Abstract: The present invention relates to a rabbit monoclonal antibody that binds to human Id1 protein and/or mouse Id1 protein with high specificity and high affinity. The antibody has a binding constant, measured with respect to human Id1 protein and/or mouse Id1 protein, equal to or greater than 1×108/molar. The antibody has no substantial cross-reactivity with other family Id proteins such as Id2, Id3, or Id4, or other endogenous proteins present in the cells that express Id1 protein. The high specificity and high affinity of the rabbit monoclonal antibodies of the present invention allows sensitive and specific detection and/or quantitation of Id1 protein in biological samples. The antibodies are useful in immunochemical-based assays such as ELISA, western blot, and immunohistochemical staining.
    Type: Grant
    Filed: June 13, 2006
    Date of Patent: April 14, 2009
    Assignees: Biocheck, Inc., Angiogenex, Inc.
    Inventors: Jung-Shou Chen, William A. Garland
  • Patent number: 7507550
    Abstract: The present invention concerns an immunological test for determining NT-proBNP comprising at least two antibodies to NT-proBNP, wherein at least one of the antibodies to NT-proBNP is a monoclonal antibody. One of these antibodies is directed at least against parts of the epitope of NT-proBNP comprising the amino acids 38 to 50. In addition, one of these antibodies is directed at least against parts of the epitope of NT-proBNP comprising the amino acids 1 to 37 or 43 to 76. The epitope recognized by the antibodies can slightly overlap.
    Type: Grant
    Filed: November 22, 2004
    Date of Patent: March 24, 2009
    Assignee: Roche Diagnostics Operations, Inc.
    Inventors: Juergen Spinke, Alfons Nichtl, Volker Klemt, Klaus Hallermayer, Michael Grol, Anneliese Borgya, Andreas Gallusser
  • Publication number: 20090068172
    Abstract: Compositions and methods comprising proteins that bind specifically to adalimumab are disclosed herein. Adalimumab is a monoclonal antibody specific for the cytokine TNF-? and was developed to treat TNF-? mediated inflammatory diseases. In one aspect of the instant invention, the binding proteins are antibodies directed toward adalimumab. These antibodies, including binding fragments thereof, can be used in a clinical setting as well as for research and development. For example, these anti-adalimumab antibodies can be employed to neutralize adalimumab.
    Type: Application
    Filed: August 27, 2008
    Publication date: March 12, 2009
    Inventors: Zehra Kaymakcalan, Limin Xiong
  • Publication number: 20090053743
    Abstract: An anti-antibody reagent for use in a competitive or sandwich simplex or multiplex assay, said reagent comprising one or more labeled anti-antibodies for the primary antibodies to be determined in the assay, the reagent further comprising a corresponding unlabeled anti-antibody in an excess or near excess concentration with respect to their binding partners.
    Type: Application
    Filed: August 1, 2008
    Publication date: February 26, 2009
    Inventors: William F. Link, Renato B. Del Rosario, Randy Sweet, David L. King
  • Patent number: 7494820
    Abstract: Luminescent chemical reagents that include complexes of rare earth metals with ligands such as aromatic heterocyclic nitrogen-containing compounds and semi-aromatic oxygen-containing compounds are used to detect small quantities of complex substances such as pharmaceuticals, metabolites, and microorganisms in complex sample mixtures.
    Type: Grant
    Filed: March 11, 2005
    Date of Patent: February 24, 2009
    Assignee: Bioveris Corporation
    Inventors: Hongjun Yang, Nicholas Cairns
  • Patent number: RE40835
    Abstract: A method for restoring immunoreactivity of a tissue, particularly decalcified tissue, fixed width an aldehyde fixative agent and embedded in an embedding medium, usually comprising celloidin, the method comprising the steps of contacting the tissue with an aldehyde releasing reagent solution comprising a solvent and an aldehyde releasing reagent and removing aldehyde released by the aldehyde releasing reagent from contact with the tissue by reacting the aldehyde in a substantially irreversible manner to form a non-aldehyde derivative, and removing excess base from the tissue. A preferred solution for celloidin-embedded decalcified tissue comprises methanolic sodium hydroxide at about one-third saturation.
    Type: Grant
    Filed: August 12, 1993
    Date of Patent: July 7, 2009
    Assignee: BioGenx Laboratories, Inc.
    Inventors: Shan-Rong Shi, Atul K. Tandon, Krishan L. Kalra, Nagesh Malhotra, Sheng-Hui Su, Cheng-Zhi Yu