Patents by Inventor WAN CHEUNG CHEUNG

WAN CHEUNG CHEUNG 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: 20210079445
    Abstract: The disclosure provides methods for detecting the concurrent presence of at least two targets within a biological sample. The method includes contacting said biological sample with a first binding agent, said first binding agent operably linked to a first sortase molecule, wherein said first binding agent specifically binds to a first target; contacting said biological simple with a second binding agent, said second binding agent operably linked to a first sortase recognition sequence peptide, wherein said second binding agent specifically binds to a second target; adding a sortase substrate under conditions where a first sortase-mediated ligation of the sortase substrate to the first sortase recognition sequence will produce a ligation product, and detecting the ligation product, wherein detection of said ligation product indicates the concurrent presence of the first target and the second target in the biological sample. Also disclosed are kits comprising reagents for performing the methods as claimed.
    Type: Application
    Filed: February 25, 2020
    Publication date: March 18, 2021
    Applicant: CELL SIGNALING TECHNOLOGY, INC.
    Inventors: Khanh Duc HUYNH, Wan Cheung CHEUNG, Roberto POLAKIEWICZ
  • Patent number: 10577640
    Abstract: The disclosure provides methods for detecting the concurrent presence of at least two targets within a biological sample. The method includes contacting said biological sample with a first binding agent, said first binding agent operably linked to a first sortase molecule, wherein said first binding agent specifically binds to a first target; contacting said biological sample with a second binding agent, said second binding agent operably linked to a first sortase recognition sequence peptide, wherein said second binding agent specifically binds to a second target; adding a sortase substrate under conditions where a first sortase-mediated ligation of the sortase substrate to the first sortase recognition sequence will produce a ligation product, and detecting the ligation product wherein detection of said ligation product indicates the concurrent presence of the first target and the second target in the biological sample. Also disclosed are kits comprising reagents for performing the methods as claimed.
    Type: Grant
    Filed: January 31, 2017
    Date of Patent: March 3, 2020
    Assignee: CELL SIGNALING TECHNOLOGY, INC.
    Inventors: Khanh Duc Huynh, Wan Cheung Cheung, Roberto Polakiewicz
  • Patent number: 10208125
    Abstract: This disclosure provides anti-MUC1 binding agents (e.g., antibodies and chimeric antigen receptors) and methods of treatment, prophylaxis, detection, and diagnosis using the same.
    Type: Grant
    Filed: July 14, 2014
    Date of Patent: February 19, 2019
    Assignees: University of Pittsburgh—Of the Commonwealth System of Higher Education, Bluefin BioMedicine, Inc.
    Inventors: Robert E. Schoen, Olivera J. Finn, Shuji Sato, Wan Cheung Cheung, Roberto D. Polakiewicz
  • Publication number: 20190002532
    Abstract: In some embodiments, the invention relates to methods for creating a monoclonal antibody that specifically binds to antigen. The method may start from a polyclonal population of antibodies such as a non-specific polyclonal population or a polyclonal population of antibodies that specifically bind to the antigen. The method includes obtaining nucleic acid molecules encoding heavy and light immunoglobulin chains (or variable regions thereof) of multiple immunoglobulins from an animal; obtaining mass spectra information of peptide fragments of a population of polyclonal immunoglobulins that specifically bind to an antigen of choice; comparing and/or correlating the mass spectra information of the peptide fragments of the polyclonal immunoglobulins with predicted mass spectra information of predicted amino acid sequences encoded by the nucleic acid molecules, and then assembling the heavy and light chains to create an antibody (or variable region thereof) that specifically binds to the antigen.
    Type: Application
    Filed: January 19, 2018
    Publication date: January 3, 2019
    Applicant: Cell Signaling Technology, Inc.
    Inventors: Roberto Polakiewicz, Wan Cheung Cheung, John Edward Rush, II, Sean Andre Beausoleil
  • Patent number: 9920110
    Abstract: In some embodiments, the invention relates to methods for creating a monoclonal antibody that specifically binds to antigen. The method may start from a polyclonal population of antibodies such as a non-specific polyclonal population or a polyclonal population of antibodies that specifically bind to the antigen. The method includes obtaining nucleic acid molecules encoding heavy and light immunoglobulin chains (or variable regions thereof) of multiple immunoglobulins from an animal; obtaining mass spectra information of peptide fragments of a population of polyclonal immunoglobulins that specifically bind to an antigen of choice; comparing and/or correlating the mass spectra information of the peptide fragments of the polyclonal immunoglobulins with predicted mass spectra information of predicted amino acid sequences encoded by the nucleic acid molecules, and then assembling the heavy and light chains to create an antibody (or variable region thereof) that specifically binds to the antigen.
    Type: Grant
    Filed: March 9, 2012
    Date of Patent: March 20, 2018
    Assignee: Cell Signaling Technology, Inc.
    Inventors: Roberto Polakiewicz, Wan Cheung Cheung, John Edward Rush, II, Sean Andre Beausoleil
  • Publication number: 20170211124
    Abstract: The disclosure provides methods for detecting the concurrent presence of at least two targets within a biological sample. The method includes contacting said biological sample with a first binding agent, said first binding agent operably linked to a first sortase molecule, wherein said first binding agent specifically binds to a first target; contacting said biological sample with a second binding agent, said second binding agent operably linked to a first sortase recognition sequence peptide, wherein said second binding agent specifically binds to a second target; adding a sortase substrate under conditions where a first sortase-mediated ligation of the sortase substrate to the first sortase recognition sequence will produce a ligation product, and detecting the ligation product wherein detection of said ligation product indicates the concurrent presence of the first target and the second target in the biological sample. Also disclosed are kits comprising reagents for performing the methods as claimed.
    Type: Application
    Filed: January 31, 2017
    Publication date: July 27, 2017
    Applicant: CELL SIGNALING TECHNOLOGY, INC.
    Inventors: Khanh Duc HUYNH, Wan Cheung CHEUNG, Roberto POLAKIEWICZ
  • Patent number: 9588110
    Abstract: The disclosure provides methods for detecting the concurrent presence of at least two targets within a biological sample. The method includes contacting said biological sample with a first binding agent, said first binding agent operably linked to a first sortase molecule, wherein said first binding agent specifically binds to a first target; contacting said biological sample with a second binding agent, said second binding agent operably linked to a first sortase recognition sequence peptide, wherein said second binding agent specifically binds to a second target; adding a sortase substrate under conditions where a first sortase-mediated ligation of the sortase substrate to the first sortase recognition sequence will produce a ligation product, and detecting the ligation product, wherein detection of said ligation product indicates the concurrent presence of the first target and the second target in the biological sample. Also disclosed are kits comprising reagents for performing the methods as claimed.
    Type: Grant
    Filed: July 27, 2012
    Date of Patent: March 7, 2017
    Assignee: CELL SIGNALING TECHNOLOGY, INC.
    Inventors: Khanh Duc Huynh, Wan Cheung Cheung, Roberto Polakiewicz
  • Publication number: 20160145343
    Abstract: This disclosure provides anti-MUC1 binding agents (e.g., antibodies and chimeric antigen receptors) and methods of treatment, prophylaxis, detection, and diagnosis using the same.
    Type: Application
    Filed: July 14, 2014
    Publication date: May 26, 2016
    Inventors: Robert E. Schoen, Olivera J. Finn, Shuji Sato, Wan Cheung Cheung, Roberto D. Polakiewicz
  • Publication number: 20150110794
    Abstract: This disclosure provides anti-human cytomegalovirus antibodies and methods of treatment, prophylaxis, detection, and diagnosis using the same. In another aspect, the disclosure features therapeutic, prophylactic, and/or diagnostic compositions for human cytomegalovirus infection or for a human cytomegalovirus-related disease that include a binding agent (e.g., antibody) or polynucleotide disclosed herein. In some embodiments, the composition is formulated for ocular or topical administration. The compositions can further include one or more human cytomegalovirus-neutralizing antibodies, an intravenous immunoglobulin preparation, and/or one or more antiviral compounds (e.g., ganciclovir, foscamet, cidofovir, or valganciclovir).
    Type: Application
    Filed: April 30, 2013
    Publication date: April 23, 2015
    Inventors: Shuji Sato, Sean Andre Beausoleil, Wan Cheung Cheung, Roberto D. Polakiewicz
  • Publication number: 20150031563
    Abstract: The disclosure provides methods for detecting the concurrent presence of at least two targets within a biological sample. The method includes contacting said biological sample with a first binding agent, said first binding agent operably linked to a first sortase molecule, wherein said first binding agent specifically binds to a first target; contacting said biological sample with a second binding agent, said second binding agent operably linked to a first sortase recognition sequence peptide, wherein said second binding agent specifically binds to a second target; adding a sortase substrate under conditions where a first sortase-mediated ligation of the sortase substrate to the first sortase recognition sequence will produce a ligation product, and detecting the ligation product, wherein detection of said ligation product indicates the concurrent presence of the first target and the second target in the biological sample. Also disclosed are kits comprising reagents for performing the methods as claimed.
    Type: Application
    Filed: July 27, 2012
    Publication date: January 29, 2015
    Inventors: Khanh Duc Huynh, Wan Cheung Cheung, Roberto Polakiewicz
  • Publication number: 20120308555
    Abstract: In some embodiments, the invention relates to methods for creating a monoclonal antibody that specifically binds to antigen. The method may start from a polyclonal population of antibodies such as a non-specific polyclonal population or a polyclonal population of antibodies that specifically bind to the antigen. The method includes obtaining nucleic acid molecules encoding heavy and light immunoglobulin chains (or variable regions thereof) of multiple immunoglobulins from an animal; obtaining mass spectra information of peptide fragments of a population of polyclonal immunoglobulins that specifically bind to an antigen of choice; comparing and/or correlating the mass spectra information of the peptide fragments of the polyclonal immunoglobulins with predicted mass spectra information of predicted amino acid sequences encoded by the nucleic acid molecules, and then assembling the heavy and light chains to create an antibody (or variable region thereof) that specifically binds to the antigen.
    Type: Application
    Filed: March 9, 2012
    Publication date: December 6, 2012
    Applicant: CELL SIGNALING TECHNOLOGY, INC.
    Inventors: Roberto Polakiewicz, Wan Cheung Cheung, John Edward Rush, II, Sean Andre Beausoleil
  • Publication number: 20120149880
    Abstract: The invention provides a nucleic acid cassette comprising components in the following structure: A-B-C, wherein “A” is a nucleic acid sequence encoding a light chain of a first antibody (or antigen binding domain thereof), “B” is a nucleic acid sequence encoding a 2A peptide, “C” is a nucleic acid sequence encoding a heavy chain of a second antibody (or antigen binding domain thereof), and “-” is a phosphodiester or phosphorothioate bond. Also provided is a nucleic acid cassette with the structure A-p-B-C, where “p” is a nucleic acid encoding a protease recognition site, Also provided are methods for making recombinant antibodies using the nucleic acid cassette of the invention, cells and vector comprising the nucleic acid cassette of the invention, and kits for making the nucleic acid cassette of the invention.
    Type: Application
    Filed: August 20, 2010
    Publication date: June 14, 2012
    Applicant: CELL SIGNALING TECHNOLOGY, INC.
    Inventors: Wan Cheung Cheung, Shuji Sato, Roberto Polakiewicz
  • Publication number: 20110045534
    Abstract: The invention provides a nucleic acid cassette comprising components in the following structure: A-B-C, wherein “A” is a nucleic acid sequence encoding a light chain of a first antibody (or antigen binding domain thereof), “B” is a nucleic acid sequence encoding a 2A peptide, “C” is a nucleic acid sequence encoding a heavy chain of a second antibody (or antigen binding domain thereof), and “?” is a phosphodiester or phosphorothioate bond. Also provided are methods for making recombinant antibodies using the nucleic acid cassette of the invention, cells and vector comprising the nucleic acid cassette of the invention, and kits for making the nucleic acid cassette of the invention.
    Type: Application
    Filed: November 23, 2009
    Publication date: February 24, 2011
    Applicant: CELL SIGNALING TECHNOLOGY, INC.
    Inventors: WAN CHEUNG CHEUNG, SHUJI SATO, ROBERTO POLAKIEWICZ