Patents by Inventor Pingyu Zhong
Pingyu Zhong 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).
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Publication number: 20120231005Abstract: Antagonists of human proprotein convertase subtilisin-kexin type 9 (“PCSK9”) are disclosed. The disclosed antagonists are effective in the inhibition of PCSK9 function and, accordingly, present desirable antagonists for use in the treatment of conditions associated with PCSK9 activity. The present invention also discloses nucleic acid encoding said antagonists, vectors, host cells, and compositions comprising the antagonists. Methods of making PCSK9-specific antagonists as well as methods of using the antagonists for inhibiting or antagonizing PCSK9 function are also disclosed and form important additional aspects of the present disclosure.Type: ApplicationFiled: October 29, 2010Publication date: September 13, 2012Inventors: Peter Peizhi Luo, Kevin Caili Wang, Pingyu Zhong, Mark Hsieh, Yan Li, Xinwei Wang, Feng Dong, Andrei Golosov, Yan Ni, Weirong Wang, Laurence B. Peterson, Rose Cubbon
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Publication number: 20120213794Abstract: Antagonists of human proprotein convertase subtilisin-kexin type 9 (“PCSK9”) are disclosed. The disclosed antagonists are effective in the inhibition of PCSK9 function and, accordingly, present desirable antagonists for use in the treatment of conditions associated with PCSK9 activity. The present invention also discloses nucleic acid encoding said antagonists, vectors, host cells, and compositions comprising the antagonists. Methods of making PCSK9-specific antagonists as well as methods of using the antagonists for inhibiting or antagonizing PCSK9 function are also disclosed and form important additional aspects of the present disclosure.Type: ApplicationFiled: October 29, 2010Publication date: August 23, 2012Inventors: Peter Peizhi Luo, Kevin Caili Wangr, Pingyu Zhong, Mark Hsieh, Yan Li, Xinwei Wang, Feng Dong, Andrei Golosov, Yan Ni, Weirong Wang, Laurence B. Peterson, Rose Cubbon, Sujata Sharma, Jon Condra, Jun Lu, Gopalakrishnan Parthasarathy, Stephen Soisson, Noel Byrne
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Patent number: 8188234Abstract: Antagonists of human proprotein convertase subtilisin-kexin type 9 (“PCSK9”) are disclosed. The disclosed antagonists are effective in the inhibition of PCSK9 function and, accordingly, present desirable antagonists for use in the treatment of conditions associated with PCSK9 activity. The present invention also discloses nucleic acid encoding said antagonists, vectors, host cells, and compositions comprising the antagonists. Methods of making PCSK9-specific antagonists as well as methods of using the antagonists for inhibiting or antagonizing PCSK9 function are also disclosed and form important additional aspects of the present disclosure.Type: GrantFiled: February 6, 2009Date of Patent: May 29, 2012Assignee: Merck Sharp & Dohme Corp.Inventors: Jon H. Condra, Rose M. Cubbon, Holly A. Hammond, Laura Orsatti, Shilpa Pandit, Laurence B. Peterson, Joseph C. Santoro, Ayesha Sitlani, Dana D. Wood, Henryk Mach, Heidi Yoder, Sonia M. Gregory, Jeffrey T. Blue, Kevin Wang, Peter Luo, Denise K. Nawrocki, Pingyu Zhong, Feng Dong, Yan Li
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Patent number: 8188233Abstract: Antagonists of human proprotein convertase subtilisin-kexin type 9 (“PCSK9”) are disclosed. The disclosed antagonists are effective in the inhibition of PCSK9 function and, accordingly, present desirable antagonists for use in the treatment of conditions associated with PCSK9 activity. The present invention also discloses nucleic acid encoding said antagonists, vectors, host cells, and compositions comprising the antagonists. Methods of making PCSK9-specific antagonists as well as methods of using the antagonists for inhibiting or antagonizing PCSK9 function are also disclosed and form important additional aspects of the present disclosure.Type: GrantFiled: February 6, 2009Date of Patent: May 29, 2012Assignee: Merck Sharp & Dohme Corp.Inventors: Jon H. Condra, Rose M. Cubbon, Holly A. Hammond, Timothy McCabe, Shilpa Pandit, Laurence B. Peterson, Joseph C. Santoro, Ayesha Sitlani, Dana D. Wood, Henryk Mach, Heidi Yoder, Sonia M. Gregory, Jeffrey T. Blue, Kevin Wang, Peter Luo, Denise K. Nawrocki, Pingyu Zhong, Feng Dong, Yan Li
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Publication number: 20120129702Abstract: The present invention provides a structure-based methodology for efficiently generating and screening a library of recombinant antibodies for optimized antibodies with desirable functions, such as higher binding affinity or low immunogenicity. In one embodiment, a method is provided for constructing a library of antibody sequences based on a three dimensional structure of a lead antibody. The method comprises: providing a lead structural template comprising the amino acid sequence of the variable region of the heavy chain (VH) or light chain (VL) of a lead antibody, comparing the lead template sequence with a plurality of tester protein sequences; selecting a hit library from the tester protein sequences; determining if a member of the hit library is structurally compatible with the lead structural template using a scoring function; selecting members for the hit library that score equal to or better than the lead sequence and screening members for improved function(s).Type: ApplicationFiled: October 28, 2010Publication date: May 24, 2012Inventors: Peizhi Luo, Mark Hsieh, Pingyu Zhong, Caili Wang
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Patent number: 8030469Abstract: The present invention provides novel anti-CD26 antibodies and other, related polypeptides, as well as novel polynucleotides encoding the antibodies and polypeptides. The invention also provides methods of making the antibodies and polypeptides. Compositions and cells comprising the antibodies or polypeptides are further provided. Methods of using the antibodies and/or polypeptides, such as to inhibit cell proliferation and in the treatment of conditions associated with CD26, are also provided.Type: GrantFiled: November 3, 2008Date of Patent: October 4, 2011Assignee: SBI Incubation Co., Ltd.Inventors: Teikichi Aoyagi, Peter Peizhi Luo, Pingyu Zhong, Mark Hsieh, Yan Li, Kevin Caili Wang, Chikao Morimoto
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Publication number: 20110124528Abstract: The present invention provides a methodology for efficiently generating and screening protein libraries for optimized proteins with desirable biological functions, such as improved binding affinity towards biologically and/or therapeutically important target molecules. The process is carried out computationally in a high throughput manner by mining the ever-expanding databases of protein sequences of all organisms, especially human.Type: ApplicationFiled: October 29, 2010Publication date: May 26, 2011Inventors: Peizhi Luo, Mark Hsieh, Pingyu Zhong, Caili Wang, Yicheng Cao, Shengjiang Liu
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Patent number: 7910350Abstract: The present invention provides adapter-directed display systems for expressing exogenous polypeptide within a host cell and/or displaying the exogenous polypeptide on the outer surface of a genetic package. This subject systems are particularly useful for displaying a genetically diverse repertoire of monomeric and multimeric polypeptides. The invention also provides both expression and helper vectors and kits containing components of the subject display systems. Also provided are genetic packages displaying the exogenous polypeptides of particular interest. Further provided by the invention are methods of using the subject display systems.Type: GrantFiled: December 19, 2005Date of Patent: March 22, 2011Assignee: Abmaxis, Inc.Inventors: Caili Wang, Pingyu Zhong, Xinwei Wang
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Patent number: 7667004Abstract: Methods are provided for designing and selecting antibodies against human antigens with high affinity and specificity in silico and in vitro. In some particular embodiments, methods are provided for designing and selecting humanized or fully human antibodies against vascular endothelial growth factor (VEGF) with high affinity and specificity. In another aspect of the invention, monoclonal antibodies against VEGF are provided. In particular, humanized or human anti-VEGF monoclonal antibodies are provided with ability to bind to human VEGF with high affinity, inhibit VEGF-induced proliferation of endothelial cells in vitro and inhibit VEGF-induced angiogenesis in vivo. These antibodies and their derivative can be used in a wide variety of applications such as diagnosis, prevention, and treatment of diseases such as cancer, AMD, diabetic retinopathy, and other diseases derived from pathological angiogenesis.Type: GrantFiled: November 26, 2003Date of Patent: February 23, 2010Assignee: Abmaxis, Inc.Inventors: Pingyu Zhong, Peizhi Luo, Kevin C. Wang, Mark Hsieh, Yan Li
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Publication number: 20090246192Abstract: Antagonists of human proprotein convertase subtilisin-kexin type 9 (“PCSK9”) are disclosed. The disclosed antagonists are effective in the inhibition of PCSK9 function and, accordingly, present desirable antagonists for use in the treatment of conditions associated with PCSK9 activity. The present invention also discloses nucleic acid encoding said antagonists, vectors, host cells, and compositions comprising the antagonists. Methods of making PCSK9-specific antagonists as well as methods of using the antagonists for inhibiting or antagonizing PCSK9 function are also disclosed and form important additional aspects of the present disclosure.Type: ApplicationFiled: February 6, 2009Publication date: October 1, 2009Inventors: Jon H. Condra, Rose M. Cubbon, Holly A. Hammond, Laura Orsatti, Shilpa Pandit, Laurence B. Peterson, Joseph C. Santoro, Ayesha Sitlani, Dana D. Wood, Henryk Mach, Heidi Yoder, Sonia M. Gregory, Jeffrey T. Blue, Kevin Wang, Peter Luo, Denise K. Nawrocki, Pingyu Zhong, Feng Dong, Yan Li
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Publication number: 20090232795Abstract: Antagonists of human proprotein convertase subtilisin-kexin type 9 (“PCSK9”) are disclosed. The disclosed antagonists are effective in the inhibition of PCSK9 function and, accordingly, present desirable antagonists for use in the treatment of conditions associated with PCSK9 activity. The present invention also discloses nucleic acid encoding said antagonists, vectors, host cells, and compositions comprising the antagonists. Methods of making PCSK9-specific antagonists as well as methods of using the antagonists for inhibiting or antagonizing PCSK9 function are also disclosed and form important additional aspects of the present disclosure.Type: ApplicationFiled: February 6, 2009Publication date: September 17, 2009Inventors: Jon H. Condra, Rose M. Cubbon, Holly A. Hammond, Timothy McCabe, Shilpa Pandit, Laurence B. Peterson, Joseph C. Santoro, Ayesha Sitlani, Dana D. Wood, Henryk Mach, Heidi Yoder, Sonia M. Gregory, Jeffrey T. Blue, Kevin Wang, Peter Luo, Denise K. Nawrocki, Pingyu Zhong, Feng Dong, Yan Li
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Publication number: 20090163379Abstract: The present invention provides expression vectors and helper display vectors which can be used in various combinations as vector sets for display of polypeptides on the outer surface of eukaryotic host cells. The expression vector of the invention can be used alone for soluble expression without having to change or reengineer the display vectors. The display systems of the invention are particularly useful for displaying a genetically diverse repertoire or library of polypeptides on the surface of yeast cells, and mammalian cells.Type: ApplicationFiled: November 14, 2008Publication date: June 25, 2009Inventors: Kevin Caili Wang, Peter Peizhi Luo, Pingyu Zhong, Jian Wang
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Publication number: 20090136523Abstract: The present invention provides novel anti-CD26 antibodies and other, related polypeptides, as well as novel polynucleotides encoding the antibodies and polypeptides. The invention also provides methods of making the antibodies and polypeptides. Compositions and cells comprising the antibodies or polypeptides are further provided. Methods of using the antibodies and/or polypeptides, such as to inhibit cell proliferation and in the treatment of conditions associated with CD26, are also provided.Type: ApplicationFiled: November 3, 2008Publication date: May 28, 2009Applicant: Y's Therapeutics Co, Ltd.Inventors: Teikichi Aoyagi, Peter Peizhi Luo, Pingyu Zhong, Mark Hsieh, Yan Li, Kevin Caili Wang, Chikao Morimoto
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Publication number: 20090082221Abstract: The present invention provides expression vectors and helper display vectors which can be used in various combinations as vector sets for multi-species and cross-species display of polypeptides on the outer surface of prokaryotic genetic packages and/or eukaryotic host cells. The multi-species and cross-species display systems can be practiced using the vector sets of the invention without having to change or reengineer the display vectors. The display systems of the invention are particularly useful for displaying a genetically diverse repertoire or library of polypeptides on the surface of phage, bacterial host cells, yeast cells, and mammalian cells.Type: ApplicationFiled: May 3, 2007Publication date: March 26, 2009Inventors: Kevin Caili Wang, Pingyu Zhong, Peter Peizhi Luo
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Patent number: 7462698Abstract: The present invention provides novel anti-CD26 antibodies and other, related polypeptides, as well as novel polynucleotides encoding the antibodies and polypeptides. The invention also provides methods of making the antibodies and polypeptides. Compositions and cells comprising the antibodies or polypeptides are further provided. Methods of using the antibodies and/or polypeptides, such as to inhibit cell proliferation and in the treatment of conditions associated with CD26, are also provided.Type: GrantFiled: July 24, 2006Date of Patent: December 9, 2008Assignee: Y's Therapeutics Co., Ltd.Inventors: Teikichi Aoyagi, Peter Peizhi Luo, Pingyu Zhong, Mark Hsieh, Yan Li, Kevin Caili Wang, Chikao Morimoto
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Patent number: 7429652Abstract: The present invention provides a technique for specific assembly of monomeric polypeptides to form a heteromultimer. This technique is particularly useful for generating a genetically diverse repertoire of heteromultimers such as antigen-binding units. The invention also provides both non-single-chain and single-chain antigen-binding units that are assembled by the technique described herein. The present invention also provides recombinant polynucleotides, vectors, host cells, and kits for producing the subject antigen-binding units. Further provided by the invention are methods of using the subject antigen-binding units.Type: GrantFiled: August 3, 2004Date of Patent: September 30, 2008Assignee: Abmaxis, Inc.Inventors: Caili Wang, Pingyu Zhong, Shengjiang Liu, Peizhi Luo, Shengfeng Li, Xinwei Wang
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Publication number: 20070105771Abstract: The present invention provides novel anti-CD26 antibodies and other, related polypeptides, as well as novel polynucleotides encoding the antibodies and polypeptides. The invention also provides methods of making the antibodies and polypeptides. Compositions and cells comprising the antibodies or polypeptides are further provided. Methods of using the antibodies and/or polypeptides, such as to inhibit cell proliferation and in the treatment of conditions associated with CD26, are also provided.Type: ApplicationFiled: July 24, 2006Publication date: May 10, 2007Inventors: Teikichi Aoyagi, Peter Luo, Pingyu Zhong, Mark Hsieh, Yan Li, Kevin Wang, Chikao Morimoto
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Publication number: 20070037214Abstract: The present invention provides a methodology for efficiently generating and screening protein libraries for optimized proteins with desirable biological functions, such as improved binding affinity towards biologically and/or therapeutically important target molecules. The process is carried out computationally in a high throughput manner by mining the ever-expanding databases of protein sequences of all organisms, especially human.Type: ApplicationFiled: August 10, 2006Publication date: February 15, 2007Inventors: Peizhi Luo, Mark Hsieh, Pingyu Zhong, Caili Wang, Yicheng Cao, Shengjiang Liu
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Publication number: 20070037217Abstract: The present invention provides a structure-based methodology for efficiently generating and screening protein libraries for optimized proteins with desirable biological functions, such as antibodies with high binding affinity and low immunogenicity in humans. In one embodiment, a method is provided for constructing a library of antibody sequences based on a three dimensional structure of a lead antibody.Type: ApplicationFiled: August 17, 2006Publication date: February 15, 2007Inventors: Peizhi Luo, Mark Hsieh, Pingyu Zhong, Caili Wang
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Patent number: 7175983Abstract: The present invention provides adapter-directed display systems for expressing exogenous polypeptide within a host cell and/or displaying the exogenous polypeptide on the outer surface of a genetic package. This subject systems are particularly useful for displaying a genetically diverse repertoire of monomeric and multimeric polypeptides. The invention also provides both expression and helper vectors and kits containing components of the subject display systems. Also provided are genetic packages displaying the exogenous polypeptides of particular interest. Further provided by the invention are methods of using the subject display systems.Type: GrantFiled: November 2, 2001Date of Patent: February 13, 2007Assignee: Abmaxis, Inc.Inventors: Caili Wang, Pingyu Zhong, Xinwei Wang