Patents by Inventor Yuan C. Lee

Yuan C. Lee 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: 20140024812
    Abstract: Methods for manipulating carbohydrate processing pathways in cells of interest are provided. Methods are directed at manipulating multiple pathways involved with the sialylation reaction by using recombinant DNA technology and substrate feeding approaches to enable the production of sialylated glycoproteins in cells of interest. These carbohydrate engineering efforts encompass the implementation of new carbohydrate bioassays, the examination of a selection of insect cell lines and the use of bioinformatics to identify gene sequences for critical processing enzymes. The compositions comprise cells of interest producing sialylated glycoproteins. The methods and compositions are useful for heterologous expression of glycoproteins.
    Type: Application
    Filed: August 27, 2013
    Publication date: January 23, 2014
    Applicants: THE UNIVERSITY OF WYOMING, HUMAN GENOME SCIENCES, INC., THE JOHN HOPKINS UNIVERSITY
    Inventors: Donald JARVIS, Yuan C. LEE, Michael J. BETENBAUGH, Shawn LAWRENCE, Timothy A. COLEMAN
  • Patent number: 8546105
    Abstract: Methods for manipulating carbohydrate processing pathways in cells of interest are provided. Methods are directed at manipulating multiple pathways involved with the sialylation reaction by using recombinant DNA technology and substrate feeding approaches to enable the production of sialylated glycoproteins in cells of interest. These carbohydrate engineering efforts encompass the implementation of new carbohydrate bioassays, the examination of a selection of insect cell lines and the use of bioinformatics to identify gene sequences for critical processing enzymes. The compositions comprise cells of interest producing sialylated glycoproteins. The methods and compositions are useful for heterologous expression of glycoproteins.
    Type: Grant
    Filed: August 9, 2010
    Date of Patent: October 1, 2013
    Assignees: The University of Wyoming, The John Hopkins University, Human Genome Sciences, Inc.
    Inventors: Donald Jarvis, Michael J. Betenbaugh, Shawn Lawrence, Yuan C. Lee, Timothy A. Coleman
  • Publication number: 20110229931
    Abstract: Methods for manipulating carbohydrate processing pathways in cells of interest are provided. Methods are directed at manipulating multiple pathways involved with the sialylation reaction by using recombinant DNA technology and substrate feeding approaches to enable the production of sialylated glycoproteins in cells of interest. These carbohydrate engineering efforts encompass the implementation of new carbohydrate bioassays, the examination of a selection of insect cell lines and the use of bioinformatics to identify gene sequences for critical processing enzymes. The compositions comprise cells of interest producing sialylated glycoproteins. The methods and compositions are useful for heterologous expression of glycoproteins.
    Type: Application
    Filed: August 9, 2010
    Publication date: September 22, 2011
    Inventors: Donald Jarvis, Michael J. Betenbaugh, Shawn Lawrence, Yuan C. Lee, Timothy A. Coleman
  • Patent number: 7776565
    Abstract: Methods for manipulating carbohydrate processing pathways in cells of interest are provided. Methods are directed at manipulating multiple pathways involved with the sialylation reaction by using recombinant DNA technology and substrate feeding approaches to enable the production of sialylated glycoproteins in cells of interest. These carbohydrate engineering efforts encompass the implementation of new carbohydrate bioassays, the examination of a selection of insect cell lines and the use of bioinformatics to identify gene sequences for critical processing enzymes. The compositions comprise cells of interest producing sialylated glycoproteins. The methods and compositions are useful for heterologous expression of glycoproteins.
    Type: Grant
    Filed: February 27, 2009
    Date of Patent: August 17, 2010
    Assignees: The John Hopkins University, Human Genome Sciences, Inc.
    Inventors: Michael J. Betenbaugh, Shawn Lawrence, Yuan C. Lee, Timothy A. Coleman
  • Publication number: 20090226968
    Abstract: Methods for manipulating carbohydrate processing pathways in cells of interest are provided. Methods are directed at manipulating multiple pathways involved with the sialylation reaction by using recombinant DNA technology and substrate feeding approaches to enable the production of sialylated glycoproteins in cells of interest. These carbohydrate engineering efforts encompass the implementation of new carbohydrate bioassays, the examination of a selection of insect cell lines and the use of bioinformatics to identify gene sequences for critical processing enzymes. The compositions comprise cells of interest producing sialylated glycoproteins. The methods and compositions are useful for heterologous expression of glycoproteins.
    Type: Application
    Filed: February 27, 2009
    Publication date: September 10, 2009
    Inventors: Michael J. Betenbaugh, Shawn Lawrence, Yuan C. Lee, Timothy A. Coleman
  • Publication number: 20080207532
    Abstract: Compositions and methods for using nordihydroguaiaretic acid (NDGA) derivatives for preventing the expression of MDR-1 gene and the synthesis of PgP protein or reversing multiple drug resistance in cells, and for using NDGA derivatives in combination with additional chemotherapeutic agents to treat drug resistant cancer and infections.
    Type: Application
    Filed: October 6, 2005
    Publication date: August 28, 2008
    Applicant: Johns Hopkins University
    Inventors: Ru Chih Huang, Jih Ru Hwu, Ming-Hua Hsu, David E. Mold, Yuan C. Lee, Chih-Chuan Chang
  • Patent number: 6949372
    Abstract: Methods for manipulating carbohydrate processing pathways in cells of interest are provided. Methods are directed at manipulating multiple pathways involved with the sialylation reaction by using recombinant DNA technology and substrate feeding approaches to enable the production of sialylated glycoproteins in cells of interest. These carbohydrate engineering efforts encompass the implementation of new carbohydrate bioassays, the examination of a selection of insect cell lines and the use of bioinformatics to identify gene sequences for critical processing enzymes. The compositions comprise cells of interest producing sialylated glycoproteins. The methods and compositions are useful for heterologous expression of glycoproteins.
    Type: Grant
    Filed: August 16, 2001
    Date of Patent: September 27, 2005
    Assignees: The Johns Hopkins University, Human Genome Sciences, Inc.
    Inventors: Michael J. Betenbaugh, Shawn Lawrence, Yuan C. Lee, Timothy A. Coleman
  • Publication number: 20020142386
    Abstract: Methods for manipulating carbohydrate processing pathways in cells of interest are provided. Methods are directed at manipulating multiple pathways involved with the sialylation reaction by using recombinant DNA technology and substrate feeding approaches to enable the production of sialylated glycoproteins in cells of interest. These carbohydrate engineering efforts encompass the implementation of new carbohydrate bioassays, the examination of a selection of insect cell lines and the use of bioinformatics to identify gene sequences for critical processing enzymes. The compositions comprise cells of interest producing sialylated glycoproteins. The methods and compositions are useful for heterologous expression of glycoproteins.
    Type: Application
    Filed: August 16, 2001
    Publication date: October 3, 2002
    Inventors: Michael J. Betenbaugh, Shawn Lawrence, Yuan C. Lee, Timothy A. Coleman
  • Patent number: 5994517
    Abstract: Oligodeoxynucleoside methylphosphonate neoglycopeptide conjugates and related compounds for tissue specific delivery of biologically stable, nonionic oligodeoxynucleoside analogs into cells.
    Type: Grant
    Filed: November 22, 1996
    Date of Patent: November 30, 1999
    Assignee: Paul O. P. Ts'o
    Inventors: Paul O. P. Ts'o, Jon J. Hangeland, Yuan C. Lee
  • Patent number: 5501841
    Abstract: A connection type fluid transfer and treatment system apparatus and method for efficiently and continuously executing transfer and treatment of small or micro amounts of sample solutions without substantial transfer loss, which includes a first microsolution reaction microtube having one open end and a second closed end, a second microsolution target microtube having substantially the same shape as the first microtube also having one open end and one closed end, and a connector for connecting together the open ends of the first microtube to the open end of the second tube. The connector includes a foramenous membrane support, which removably receives chemically or biologically treated membranes for applying a predetermined treatment to a solution while passing the sample solution from the first microtube to the second tube. Alternately, a "single use only" connector having disposed therein a membrane pretreated with a quantitative amount of reagent may be used for certain treatment operations.
    Type: Grant
    Filed: July 27, 1994
    Date of Patent: March 26, 1996
    Assignee: Artchem, Inc.
    Inventors: Yuan C. Lee, Shinji Inoue, Akinori Tsujimoto, Akimasa Miwa
  • Patent number: 5142031
    Abstract: Disclosed herein is a method of labelling a sugar at its reducing end by using 1-(p-methoxyphenyl)-3-methyl-5-pyrazolone, thereby analyzing said sugar with high sensitivity, and to a kit to be used for sugar labelling by this method.
    Type: Grant
    Filed: October 11, 1991
    Date of Patent: August 25, 1992
    Assignee: Takara Shuzo Co., Ltd.
    Inventors: Yuan C. Lee, Susumu Honda, Kazuaki Kakehi