Patents by Inventor Daozhan Yu

Daozhan Yu 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: 20240229067
    Abstract: Expression constructs and methods for recombinant parvovirus production are disclosed. In some embodiments, the expression construct encodes (1) adenovirus E4 and E2a proteins, (2) parvovirus proteins necessary for the production of the recombinant parvovirus, and (3) a recombinant parvovirus genome, thus allowing production of the recombinant parvovirus by transfecting a host cell with a single expression construct.
    Type: Application
    Filed: July 6, 2023
    Publication date: July 11, 2024
    Inventors: Qizhao WANG, Daozhan YU, Yu LIU, Cuiping CHEN, Rongze YANG
  • Publication number: 20240166722
    Abstract: Modified human factor VIII polypeptides with enhanced factor VIII activity are described. In some embodiments, the modified human factor VIII polypeptides comprise one or more amino acid substitutions at positions A20, T21, F57, L69, I80, L178, R199, H212, I215, R269, 1310, L318, S332, R378, I610 and/or I661. Such polypeptides and viral vectors encoding such polypeptides may be used for treatment of FVIII deficiencies, such as hemophilia A.
    Type: Application
    Filed: September 15, 2023
    Publication date: May 23, 2024
    Inventors: Qizhao WANG, Daozhan YU
  • Publication number: 20240132911
    Abstract: Expression constructs and methods for recombinant parvovirus production are disclosed. In some embodiments, the expression construct encodes (1) adenovirus E4 and E2a proteins, (2) parvovirus proteins necessary for the production of the recombinant parvovirus, and (3) a recombinant parvovirus genome, thus allowing production of the recombinant parvovirus by transfecting a host cell with a single expression construct.
    Type: Application
    Filed: July 5, 2023
    Publication date: April 25, 2024
    Inventors: Qizhao WANG, Daozhan YU, Yu LIU, Cuiping CHEN, Rongze YANG
  • Publication number: 20230365991
    Abstract: Expression constructs and methods for recombinant parvovirus production are disclosed. In some embodiments, the expression construct encodes (1) adenovirus E4 and E2a proteins, (2) parvovirus proteins necessary for the production of the recombinant parvovirus, and (3) a recombinant parvovirus genome, thus allowing production of the recombinant parvovirus by transfecting a host cell with a single expression construct.
    Type: Application
    Filed: March 10, 2023
    Publication date: November 16, 2023
    Inventors: Qizhao WANG, Daozhan YU, Yu LIU, Cuiping CHEN, Rongze YANG
  • Patent number: 11795207
    Abstract: Modified hum1.an factor VIII polypeptides with enhanced factor VIII activity are described. In some embodiments, the modified human factor VIII polypeptides comprise one or more amino acid substitutions at positions A20, T21, P57, L69, I80, L178, R199, H212, I215, R269, I310, L318, S332, R378, I610 and/or I661. Such polypeptides and viral vectors encoding such polypeptides may be used for treatment of FVIII deficiencies, such as hemophilia A.
    Type: Grant
    Filed: March 30, 2021
    Date of Patent: October 24, 2023
    Assignee: AAVNERGENE INC.
    Inventors: Qizhao Wang, Daozhan Yu
  • Publication number: 20220315643
    Abstract: Modified hum1.an factor VIII polypeptides with enhanced factor VIII activity are described. In some embodiments, the modified human factor VIII polypeptides comprise one or more amino acid substitutions at positions A20, T21, P57, L69, I80, L178, R199, H212, I215, R269, I310, L318, S332, R378, I610 and/or I661. Such polypeptides and viral vectors encoding such polypeptides may be used for treatment of FVIII deficiencies, such as hemophilia A.
    Type: Application
    Filed: March 30, 2021
    Publication date: October 6, 2022
    Inventors: Qizhao WANG, Daozhan YU
  • Patent number: 10463716
    Abstract: The present invention generally to methods of treating subjects suffering from a cardiac condition or having a risk factor for developing a cardiac condition by administering an ELA peptide or fusion protein to a subject in need. The invention relates to fusion proteins of Fc-ELA-32 and Fc-ELA-21 that exhibit improved properties for use as therapeutic agents, e.g. in the treatment of cardiac conditions. In addition, the present invention relates to polynucleotides encoding such fusion proteins, and vectors and host cells comprising such polynucleotides. The invention further relates to methods for producing the fusion proteins of the invention, and to methods of using them in the treatment of disease.
    Type: Grant
    Filed: October 13, 2015
    Date of Patent: November 5, 2019
    Assignee: University of Maryland, Baltimore
    Inventors: Da-Wei Gong, Daozhan Yu, Rongze Yang, Alan Shuldiner, Ling Chen
  • Publication number: 20170224779
    Abstract: The present invention generally to methods of treating subjects suffering from a cardiac condition or having a risk factor for developing a cardiac condition by administering an ELA peptide or fusion protein to a subject in need. The invention relates to fusion proteins of Fc-ELA-32 and Fc-ELA-21 that exhibit improved properties for use as therapeutic agents, e.g. in the treatment of cardiac conditions. In addition, the present invention relates to polynucleotides encoding such fusion proteins, and vectors and host cells comprising such polynucleotides. The invention further relates to methods for producing the fusion proteins of the invention, and to methods of using them in the treatment of disease.
    Type: Application
    Filed: October 13, 2015
    Publication date: August 10, 2017
    Applicant: University of Maryland, Baltimore
    Inventors: Da-Wei Gong, Daozhan Yu, Rongze Yang, Alan Shuldiner, Ling Chen
  • Patent number: 7663026
    Abstract: This invention relates to marine algae, and more particularly, to a method for producing improved seaweed strains by genetic engineering. The vector for transformation were constructed by inserting the high-plant or algae-derived promoters upstream of foreign reporter genes or such cassettes that functional genes are fused with antibiotics or herbicide-resistant genes. The genetic seaweed was generated by natural development process by recombinated plasmid DNA introduction to seaweed spore with Biolostics as transformation methods. Introduced traits of antibiotics or herbicide-resistance were used to select the transgenic seaweed individuals when foreign functional genes are transformed. Stable transformation could be obtained following this invention.
    Type: Grant
    Filed: July 7, 2003
    Date of Patent: February 16, 2010
    Assignee: Institute of Oceanology Chinese Academy of Sciences
    Inventors: Song Qin, Peng Jiang, Daozhan Yu, Fuchao Li, Guoqiong Sun
  • Publication number: 20060154355
    Abstract: This invention relates to marine algae, and more particularly, to a method for producing improved seaweed strains by genetic engineering. The vector for transformation were constructed by inserting the high-plant or algae-derived promoters upstream of foreign reporter genes or such cassettes that functional genes are fused with antibiotics or herbicide-resistant genes. The genetic seaweed was generated by natural development process by recombinated plasmid DNA introduction to seaweed spore with Biolostics as transformation methods. Introduced traits of antibiotics or herbicide-resistance were used to select the transgenic seaweed individuals when foreign functional genes are transformed. Stable transformation could be obtained following this invention.
    Type: Application
    Filed: July 7, 2003
    Publication date: July 13, 2006
    Inventors: Song Qin, Peng Jiang, Daozhan Yu, Fuchao Li, Guoqiong Sun