Patents by Inventor Ningshao Xia

Ningshao Xia 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).

  • MONOCLONAL ANTIBODY AGAINST HEPATITIS E VIRUS OR ITS FRAGMENT WITH BINDING ACTIVITY AND USE THEREOF
    Publication number: 20100003281
    Abstract: The present invention relates to monoclonal antibody specifically binding to polypeptide(s) comprising the amino acid sequence as set forth in SEQ ID No.
    Type: Application
    Filed: April 30, 2009
    Publication date: January 7, 2010
    Applicant: YANG SHENG TANG COMPANY LIMITED
    Inventors: Ningshao Xia, Jun Zhang, Ying Gu, Shaowei Li, Shengxiang Ge, Zhiqiang He
  • Polypeptide fragments of hepatitis E virus, the vaccine comprising said fragments and the diagnostic kits
    Patent number: 7615228
    Abstract: A purified polypeptide comprising the amino acid sequence as set forth in SEQ ID No. 1 of hepatitis E virus ORF 2 or its fragment, which is in the form of a polymer with n monomeric polypeptides, wherein n is an integer from 2-180; to a polypeptide of the present invention bound to a polypeptide containing epitope from hepatitis E virus ORF3or an immunogenic fragment thereof; to a recombinant expression vector comprising the DNA molecule encoding the above polypeptides and the host cell transformed with said recombinant expression vector which is able to express polypeptide of the present invention.
    Type: Grant
    Filed: September 30, 2001
    Date of Patent: November 10, 2009
    Assignee: Beijing Wantai Biological Pharmacy Enterprise Co., Ltd.
    Inventors: Ningshao Xia, Jun Zhang, Shaowei Li, Shengxiang Ge, Ying Gu, Zhiqiang He
  • MONOCLONAL ANTIBODIES BINDING TO AVIAN INFLUENZA VIRUS SUBTYPE H5 HAEMAGGLUTININ AND USE THEREOF
    Publication number: 20090068637
    Abstract: The present application provides monoclonal antibodies that specifically bind to the hemagglutinin of avian influenza virus subtype H5, as well as monoclonal antibodies capable of blocking at least 50% of the hemagglutinin binding activity of these monoclonal antibodies. Such antibodies are useful, for example, in the detection, diagnosis, prevention, and treatment of avian influenza virus. Also provided herein are hybridoma cell lines, isolated nucleic acid molecules, and short peptides related to the monoclonal antibodies provided herein, and pharmaceutical compositions and kits containing the monoclonal antibodies provided herein.
    Type: Application
    Filed: January 26, 2007
    Publication date: March 12, 2009
    Inventors: Ningshao Xia, Yixin Chen, Shengxiang Ge, Wenxin Luo, Jun Zhang
  • Hepatitis e virus monoclonal antibodies or the binding fragments of it and the use thereof
    Publication number: 20060233822
    Abstract: The present invention relates to monoclonal antibody specifically binding to polypeptide(s) comprising the amino acid sequence as set forth in SEQ ID No.
    Type: Application
    Filed: November 8, 2002
    Publication date: October 19, 2006
    Applicant: YANG SHENG TANG COMPANY LIMITED
    Inventors: Ningshao Xia, Jun Zhang, Ying Gu, Shaowei Li, Shengxiang Ge, Zhiqiang He
  • Polypeptide fragments of hepatitis e virus, the vaccine composition comprising said fragments and the diagnostic kits and the diagnostic kits
    Publication number: 20040052813
    Abstract: The present invention relates to polypeptide(s) comprising the amino acid sequence as set forth in SEQ ID No. 1 of hepatitis E virus ORF 2 or its fragment, which is in the form of n-polymeric polypeptide, wherein n is an integer from 1-180; to a chimeric protein consisting of a polypeptide of the present invention and a conserved fragment of hemagglutin antigen from influenza virus; to a polypeptide of the present invention bound to a polypeptide containing epitope from hepatitis E virus ORF3 or an immunogenic fragment thereof; to a recombinant expression vector comprising the DNA molecule encoding the above polypeptides and the host cell transformed with said recombinant expression vector which is able to express polypeptide of the present invention.
    Type: Application
    Filed: March 28, 2003
    Publication date: March 18, 2004
    Inventors: Ningshao Xia, Jun Zhang, Shaowei Li, Shengxiang Ge, Ying Gu, Zhiqiang He