Patents by Inventor Mei-Yun Zhang

Mei-Yun Zhang 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).

  • Patent number: 11124561
    Abstract: Provided herein are HIV-1-specific transforming antibodies (tAbs) and antigens that are recognized by HIV-1-specific tAbs. Also provided herein are methods for screening and/or generating HIV-1-specific tAbs and uses of tAbs for prevention and treatment of HIV-1 infection.
    Type: Grant
    Filed: March 4, 2019
    Date of Patent: September 21, 2021
    Assignee: THE UNIVERSITY OF HONG KONG
    Inventor: Mei-Yun Zhang
  • Publication number: 20190185549
    Abstract: Provided herein are HIV-1-specific transforming antibodies (tAbs) and antigens that are recognized by HIV-1-specific tAbs. Also provided herein are methods for screening and/or generating HIV-1-specific tAbs and uses of tAbs for prevention and treatment of HIV-1 infection.
    Type: Application
    Filed: March 4, 2019
    Publication date: June 20, 2019
    Inventor: Mei-Yun Zhang
  • Patent number: 10280213
    Abstract: Provided herein are HIV-1-specific transforming antibodies (tAbs) and antigens that are recognized by HIV-1-specific tAbs. Also provided herein are methods for screening and/or generating HIV-1-specific tAbs and uses of tAbs for prevention and treatment of HIV-1 infection.
    Type: Grant
    Filed: June 27, 2012
    Date of Patent: May 7, 2019
    Assignee: THE UNIVERSITY OF HONG KONG
    Inventor: Mei-Yun Zhang
  • Patent number: 9481729
    Abstract: Disclosed are antibodies, or binding fragments thereof, that specifically bind to human HER2 and human IGF-IR. Also provided are nucleic acid molecules encoding the disclosed antibodies and binding fragments and vectors and host cells containing these nucleic acid molecules. The disclosure also provides methods of inhibiting cancer cell growth and metastasis in a mammal using the antibodies described herein, as well as compositions containing the antibodies, nucleic acid molecules encoding the antibodies, and host cells and vectors comprising the nucleic acid molecules. The disclosure also features the use of the polypeptides to detect the presence of HER2 and IGF-IR in a mammal, and epitopes that can be used as cancer vaccine immunogens.
    Type: Grant
    Filed: September 11, 2014
    Date of Patent: November 1, 2016
    Assignee: The University of Hong Kong
    Inventor: Mei-Yun Zhang
  • Publication number: 20150071927
    Abstract: Disclosed are antibodies, or binding fragments thereof, that specifically bind to human HER2 and human IGF-IR. Also provided are nucleic acid molecules encoding the disclosed antibodies and binding fragments and vectors and host cells containing these nucleic acid molecules. The disclosure also provides methods of inhibiting cancer cell growth and metastasis in a mammal using the antibodies described herein, as well as compositions containing the antibodies, nucleic acid molecules encoding the antibodies, and host cells and vectors comprising the nucleic acid molecules. The disclosure also features the use of the polypeptides to detect the presence of HER2 and IGF-IR in a mammal, and epitopes that can be used as cancer vaccine immunogens.
    Type: Application
    Filed: September 11, 2014
    Publication date: March 12, 2015
    Inventor: Mei-Yun Zhang
  • Patent number: 8444982
    Abstract: The subject invention provides antibodies, or binding fragments thereof, that specifically bind to human IGF-IR. Also provided are nucleic acid molecules encoding the antibodies and binding fragments of the subject invention and vectors and host cells containing these nucleic acid molecules. The disclosure also provides methods of inhibiting cancer cell growth and metastasis in a mammal using the antibodies described herein, as well as compositions containing the antibodies, nucleic acid molecules encoding the antibodies, and host cells and vectors comprising the nucleic acid molecules. The disclosure also features the use of the polypeptides to detect the presence of IGF-IR in a mammal, and epitopes that can be used as cancer vaccine immunogens.
    Type: Grant
    Filed: November 29, 2010
    Date of Patent: May 21, 2013
    Assignee: The University of Hong Kong
    Inventor: Mei-Yun Zhang
  • Publication number: 20130011414
    Abstract: Provided herein are HIV-1-specific transforming antibodies (tAbs) and antigens that are recognized by HIV-1-specific tAbs. Also provided herein are methods for screening and/or generating HIV-1-specific tAbs and uses of tAbs for prevention and treatment of HIV-1 infection.
    Type: Application
    Filed: June 27, 2012
    Publication date: January 10, 2013
    Applicant: University of Hong Kong
    Inventor: Mei-Yun Zhang
  • Patent number: 8110192
    Abstract: The present invention provides an antibody to human immunodeficiency virus (HIV) envelope glycoprotein that can recognize one or more strains of HIV, wherein the epitope of HIV recognized by the antibody is inducible, and wherein the antibody binding to the epitope is enhanced by the presence of CD4 and the HIV co-receptor, and related fusion proteins, conjugates, nucleic acids, vectors, host cells, compositions and methods of use to inhibit an infection of a human at risk of becoming infected with HIV, to reduce the severity of an infection of a human infected with HIV, and to treat an infection of a human with HIV.
    Type: Grant
    Filed: July 24, 2009
    Date of Patent: February 7, 2012
    Assignee: The United States of America, as represented by the Secretary, Department of Health and Human Services
    Inventors: Dimiter S. Dimitrov, Mei-Yun Zhang
  • Publication number: 20110135663
    Abstract: The subject invention provides antibodies, or binding fragments thereof, that specifically bind to human IGF-IR. Also provided are nucleic acid molecules encoding the antibodies and binding fragments of the subject invention and vectors and host cells containing these nucleic acid molecules. The disclosure also provides methods of inhibiting cancer cell growth and metastasis in a mammal using the antibodies described herein, as well as compositions containing the antibodies, nucleic acid molecules encoding the antibodies, and host cells and vectors comprising the nucleic acid molecules. The disclosure also features the use of the polypeptides to detect the presence of IGF-IR in a mammal, and epitopes that can be used as cancer vaccine immunogens.
    Type: Application
    Filed: November 29, 2010
    Publication date: June 9, 2011
    Applicant: THE UNIVERSITY OF HONG KONG
    Inventor: MEI-YUN ZHANG
  • Publication number: 20100317837
    Abstract: The present invention provides a method of identifying novel broadly crossreactive neutralizing monoclonal antibodies using sequential antigen panning of phage display libraries, antibodies obtained in accordance with such a method, as well as fusion proteins and conjugates comprising same, and related isolated or purified nucleic acid molecules, vectors, host cells, compositions, and methods of use to inhibit an infection, reduce the severity of an infection, treat an infection, and inhibit cancer.
    Type: Application
    Filed: August 26, 2010
    Publication date: December 16, 2010
    Applicant: The United States of America, as represented by the Secretary, Dep. of Health and Human Services
    Inventors: Dimiter S. Dimitrov, Mei-Yun Zhang
  • Patent number: 7803913
    Abstract: The present invention provides a method of identifying novel broadly crossreactive neutralizing monoclonal antibodies using sequential antigen panning of phage display libraries, antibodies obtained in accordance with such a method, as well as fusion proteins and conjugates comprising same, and related isolated or purified nucleic acid molecules, vectors, host cells, compositions, and methods of use to inhibit an infection, reduce the severity of an infection, treat an infection, and inhibit cancer.
    Type: Grant
    Filed: May 6, 2003
    Date of Patent: September 28, 2010
    Assignee: The United States of America as represented by the Department of Health and Human Services
    Inventors: Dimiter S Dimitrov, Mei-Yun Zhang
  • Publication number: 20090291493
    Abstract: The present invention provides an antibody to human immunodeficiency virus (HIV) envelope glycoprotein that can recognize one or more strains of HIV, wherein the epitope of HIV recognized by the antibody is inducible, and wherein the antibody binding to the epitope is enhanced by the presence of CD4 and the HIV co-receptor, and related fusion proteins, conjugates, nucleic acids, vectors, host cells, compositions and methods of use to inhibit an infection of a human at risk of becoming infected with HIV, to reduce the severity of an infection of a human infected with HIV, and to treat an infection of a human with HIV.
    Type: Application
    Filed: July 24, 2009
    Publication date: November 26, 2009
    Applicant: The U.S.A, as represented by the Secretary, Department of Health and Human Services
    Inventors: Dimiter S. Dimtrov, Mei-Yun Zhang
  • Patent number: 7566451
    Abstract: The present invention provides an antibody to human immunodeficiency virus (HIV) envelope glycoprotein that can recognize one or more strains of HIV, wherein the epitope of HIV recognized by the antibody is inducible, and wherein the antibody binding to the epitope is enhanced by the presence of CD4 and the HIV co-receptor, and related fusion proteins, conjugates, nucleic acids, vectors, host cells, compositions and methods of use to inhibit an infection of a human at risk of becoming infected with HIV, to reduce the severity of an infection of a human infected with HIV, and to treat an infection of a human with HIV.
    Type: Grant
    Filed: May 6, 2003
    Date of Patent: July 28, 2009
    Assignee: The United States of America as represented by the Department of Health and Human Services
    Inventors: Dimiter S. Dimitrov, Mei-Yun Zhang
  • Patent number: 7378093
    Abstract: The present invention features antibodies and antibody fragments that specifically bind a CD4-inducible HIV gp120 epitope that is enhanced by binding a co-receptor for HIV, such as CCR5 or CXCR4, and pharmaceutical compositions comprising the antibodies or antibody fragments. The invention also features nucleic acids encoding the antibodies or antibody fragments, pharmaceutical compositions comprising the nucleic acids encoding the antibodies or antibody fragments, vectors comprising the nucleic acids, and cells comprising the vectors. The invention further features methods of identifying antibodies or antibody fragments with broadly neutralizing activity against HIV. The invention also features methods of inhibiting HIV entry into cells and methods of inhibiting replication of HIV in mammals, using the antibodies and nucleic acids of the invention.
    Type: Grant
    Filed: May 15, 2007
    Date of Patent: May 27, 2008
    Assignees: The United States of America as represented by the Department of Health and Human Services, The Scripps Research Institute
    Inventors: Dimiter S. Dimitrov, Maxime Moulard, Xiadong Xiao, Yuuei Shu, Sanjay K. Phogat, Mei-Yun Zhang, Dennis Burton
  • Publication number: 20080038280
    Abstract: The invention provides a fusion protein, which comprises an antigen binding portion of an A32 human antibody, or variant thereof, and one of the following: (a) an antigen-binding portion of a second antibody or variant thereof, wherein the second antibody binds to an epitope of an envelope protein of a human immunodeficiency virus (HIV) that is exposed upon the HIV binding to a CD4 receptor, (b) an immunogenic portion of an envelope protein of a HIV, or a variant thereof, or (c) a soluble CD4 (sCD4) polypeptide capable of binding to HIV, or a or variant thereof.
    Type: Application
    Filed: October 11, 2005
    Publication date: February 14, 2008
    Applicant: Government of the United States of America
    Inventors: Dimiter Dimitrov, Mei-Yun Zhang
  • Publication number: 20070292390
    Abstract: The invention provides polypeptides that bind with an epitope of the gp41 subunit of the HIV-1 envelope glycoprotein, as well as polypeptides comprising the aforementioned epitopes. The invention also provides methods of inhibiting an HIV infection in a mammal using the polypeptides of the invention, as well as compositions comprising the polypeptides, nucleic acid molecules encoding the polypeptides, and host cells and vectors comprising the nucleic acid molecules. A method of isolating antibodies that bind with an epitope of the gp41 subunit of the HIV-1 envelope glycoprotein using competitive antigen panning (CAP) is also provided. The invention also features the use of the polypeptides to detect the presence of HIV in a mammal, and epitopes that can be used as vaccine immunogens.
    Type: Application
    Filed: October 28, 2005
    Publication date: December 20, 2007
    Inventors: Dimiter Dimitrov, Mei-Yun Zhang
  • Publication number: 20070212349
    Abstract: The present invention features antibodies and antibody fragments that specifically bind a CD4-inducible HIV gp120 epitope that is enhanced by binding a co-receptor for HIV, such as CCR5 or CXCR4, and pharmaceutical compositions comprising the antibodies or antibody fragments. The invention also features nucleic acids encoding the antibodies or antibody fragments, pharmaceutical compositions comprising the nucleic acids encoding the antibodies or antibody fragments, vectors comprising the nucleic acids, and cells comprising the vectors. The invention further features methods of identifying antibodies or antibody fragments with broadly neutralizing activity against HIV. The invention also features methods of inhibiting HIV entry into cells and methods of inhibiting replication of HIV in mammals, using the antibodies and nucleic acids of the invention.
    Type: Application
    Filed: May 15, 2007
    Publication date: September 13, 2007
    Applicants: GOVERNMENT OF THE UNITED STATES OF AMERICA, REPRESENTED BY THE SECRETARY, DEPARTMENT, THE SCRIPPS RESEARCH INSTITUTE
    Inventors: Dimiter Dimitrov, Maxime Moulard, Xiadong Xiao, Yuuei Shu, Sanjay Phogat, Mei-Yun Zhang, Dennis Burton
  • Publication number: 20070212363
    Abstract: A (poly)peptide-Fc fusion molecule, such as an scFv-Fc fusion molecule comprising an scFv fragment and an Fc region from an antibody, related nucleic acids, vectors, and host cells, and a method of inhibiting a viral infection in a mammal, which method comprises administering to a mammal in need thereof the fusion molecule, wherein the fusion molecule binds to an epitope of a viral envelope protein that is inaccessible to whole immunoglobulin molecules due to molecular steric hindrance, or a nucleic acid, optionally in the form of a vector, encoding same, wherein the nucleic acid or vector is optionally contained within a host cell.
    Type: Application
    Filed: September 29, 2004
    Publication date: September 13, 2007
    Applicant: The Gov of USA, as Represented by the Secretary, Dept. of Health and Human Services
    Inventors: Dimiter Dimitrov, Mei-Yun Zhang
  • Patent number: 7223844
    Abstract: The present invention features antibodies and antibody fragments that specifically bind a CD4-inducible HIV gp120 epitope that is enhanced by binding a co-receptor for HIV, such as CCR5 or CXCR4, and pharmaceutical compositions comprising the antibodies or antibody fragments. The invention also features nucleic acids encoding the antibodies or antibody fragments, pharmaceutical compositions comprising the nucleic acids encoding the antibodies or antibody fragments, vectors comprising the nucleic acids, and cells comprising the vectors. The invention further features methods of identifying antibodies or antibody fragments with broadly neutralizing activity against HIV. The invention also features methods of inhibiting HIV entry into cells and methods of inhibiting replication of HIV in mammals, using the antibodies and nucleic acids of the invention.
    Type: Grant
    Filed: October 16, 2002
    Date of Patent: May 29, 2007
    Assignees: United States of America, Represented by the Secretary, Department of Health and Human Services, Scripps Research Institute
    Inventors: Dimiter S. Dimitrov, Maxime Moulard, Xiadong Xiao, Yuuei Shu, Sanjay K. Phogat, Mei-Yun Zhang, Dennis Burton
  • Publication number: 20050164166
    Abstract: The present invention provides an antibody to human immunodeficiency virus (HIV) envelope glycoprotein that can recognize one or more strains of HIV, wherein the epitope of HIV recognized by the antibody is inducible, and wherein the antibody binding to the epitope is enhanced by the presence of CD4 and the HIV co-receptor, and related fusion proteins, conjugates, nucleic acids, vectors, host cells, compositions and methods of use to inhibit an infection of a human at risk of becoming infected with HIV, to reduce the severity of an infection of a human infected with HIV, and to treat an infection of a human with HIV.
    Type: Application
    Filed: May 6, 2003
    Publication date: July 28, 2005
    Applicant: Government of the United States of America represented by the Secreatary, Dept of Health Serv
    Inventors: Dimiter Dimitrov, Mei-Yun Zhang