Abstract: The present invention provides conjugates between Granulocyte Colony Stimulating Factor and PEG moieties. The conjugates are linked via an intact glycosyl linking group that is interposed between and covalently attached to the peptide and the modifying group. The conjugates are formed from both glycosylated and unglycosylated peptides by the action of a glycosyltransferase. The glycosyltransferase ligates a modified sugar moiety onto either an amino acid or glycosyl residue on the peptide. Also provided are pharmaceutical formulations including the conjugates. Methods for preparing the conjugates are also within the scope of the invention.
Type:
Application
Filed:
November 2, 2005
Publication date:
January 18, 2007
Applicant:
Neose Technologies, Inc.
Inventors:
Shawn DeFrees, Henrik Clausen, David Zopf, Zhi-Guang Wang, Caryn Bowe
Abstract: The invention includes methods and compositions for remodeling a peptide molecule, including the addition or deletion of one or more glycosyl groups to a peptide, and/or the addition of a modifying group to a peptide.
Type:
Grant
Filed:
April 9, 2003
Date of Patent:
January 2, 2007
Assignee:
Neose Technologies, Inc.
Inventors:
Shawn DeFrees, David Zopf, Robert Bayer, Caryn Bowe, David Hakes, Xi Chen
Abstract: The invention includes methods and compositions for remodeling a peptide molecule, including the addition or deletion of one or more glycosyl groups to a peptide, and/or the addition of a modifying group a peptide.
Abstract: The present invention provides conjugates between erythropoietin and PEG moieties. The conjugates are linked via an intact glycosyl linking group interposed between and covalently attached to the peptide and the modifying group. The conjugates are formed from glycosylated peptides by the action of a glycosyltransferase. The glycosyltransferase ligates a modified sugar moiety onto a glycosyl residue on the peptide. Also provided are methods for preparing the conjugates, methods for treating various disease conditions with the conjugates, and pharmaceutical formulations including the conjugates.
Type:
Application
Filed:
May 25, 2006
Publication date:
December 21, 2006
Applicant:
Neose Technologies, Inc.
Inventors:
Shawn DeFrees, Robert Bayer, David Zopf, Jichao Kang, Walter Willett
Abstract: The invention includes methods and compositions for remodeling a peptide molecule, including the addition or deletion of one or more glycosyl groups to a peptide, and/or the addition of a modifying group a peptide.
Type:
Grant
Filed:
November 5, 2002
Date of Patent:
November 21, 2006
Assignee:
Neose Technologies, Inc
Inventors:
Shawn DeFrees, David A. Zopf, Caryn Bowe
Abstract: The present invention provides a manufacturing method for the production of peptides that are grown in insect cell lines. The peptides are grown in insect cell cultures that are infected with baculovirus particles in a culture supplemented with a lipid mixture. The peptides are then isolated from the insect cell culture using a method that employs a tangential flow filtration cascade. The isolated peptides are glycopeptides having an insect specific glycosylation pattern. The glycopeptides may then be conjugated to a modifying group via linkage through a glycosyl linking group interposed between and covalently attached to the peptide and the modifying group. The conjugates are formed from glycosylated peptides by the action of a glycosyltransferase.
Type:
Application
Filed:
March 30, 2006
Publication date:
November 2, 2006
Applicant:
Neose Technologies,Inc.
Inventors:
Yun Kang, Walter Willett, Thomas Klimek, Basil Campbell, Paul Cino, Bradley Thomas, John Bermel, Chun-Chiang Chen
Abstract: The invention includes methods and compositions for remodeling a peptide molecule, including the addition or deletion of one or more glycosyl groups to a peptide, and/or the addition of a modifying group to a peptide.
Type:
Grant
Filed:
April 9, 2003
Date of Patent:
October 24, 2006
Assignee:
Neose Technologies, Inc.
Inventors:
Shawn DeFrees, David Zopf, Robert Bayer, Caryn Bowe, David Hakes, Xi Chen
Abstract: The present invention provides enhanced methods of producing soluble, active eukaryotic glycosyltransferases in prokaryotic microorganisms that have an oxidizing environment.
Abstract: The present invention provides conjugates between erythropoietin and PEG moieties. The conjugates are linked via an intact glycosyl linking group interposed between and covalently attached to the peptide and the modifying group. The conjugates are formed from glycosylated peptides by the action of a glycosyltransferase. The glycosyltransferase ligates a modified sugar moiety onto a glycosyl residue on the peptide. Also provided are methods for preparing the conjugates, methods for treating various disease conditions with the conjugates, and pharmaceutical formulations including the conjugates.
Type:
Application
Filed:
June 2, 2005
Publication date:
May 25, 2006
Applicant:
Neose Technologies, Inc.
Inventors:
Shawn DeFrees, Robert Bayer, David Zopf
Abstract: The invention includes methods and compositions for remodeling a peptide molecule, including the addition or deletion of one or more glycosyl groups to a peptide, and/or the addition of a modifying group to a peptide.
Type:
Application
Filed:
July 15, 2005
Publication date:
April 27, 2006
Applicant:
Neose Technologies, Inc.
Inventors:
Shawn DeFrees, David Zopf, Robert Bayer, Caryn Bowe, David Hakes, Xi Chen
Abstract: This invention provides methods for practical enzymatic conversion of GDP-mannose to GDP-fucose. These methods are useful for efficient synthesis of reactants used in the synthesis of fucosylated oligosaccharides.
Abstract: The present invention provides conjugates between Factor IX and PEG moieties. The conjugates are linked via an intact glycosyl linking group interposed between and covalently attached to the peptide and the modifying group. The conjugates are formed from glycosylated peptides by the action of a glycosyltransferase. The glycosyltransferase ligates a modified sugar moiety onto a glycosyl residue on the peptide. Also provided are methods for preparing the conjugates, methods for treating various disease conditions with the conjugates, and pharmaceutical formulations including the conjugates.
Type:
Application
Filed:
June 23, 2005
Publication date:
February 23, 2006
Applicant:
Neose Technologies, Inc.
Inventors:
Shawn DeFrees, Robert Bayer, Caryn Bowe, Krishnasamy Panneerselvam
Abstract: The invention includes methods and compositions for remodeling a peptide molecule, including the addition or deletion of one or more glycosyl groups to a peptide, and/or the addition of a modifying group a peptide.
Type:
Application
Filed:
July 15, 2005
Publication date:
February 9, 2006
Applicant:
Neose Technologies, Inc.
Inventors:
Shawn DeFrees, David Zopf, Robert Bayer, Caryn Bowe, David Hakes, Xi Chen
Abstract: The present invention provides polypeptides that include an O-linked glycosylation site that is not present in the wild-type peptide. The polypeptides of the invention include glycoconjugates in which a species such as a water-soluble polymer, a therapeutic agent of a biomolecule is covalently linked through an intact O-linked glycosyl residue to the polypeptide. Also provided are methods of making the peptides of the invention and methods, pharmaceutical compositions containing the peptides and methods of treating, ameliorating or preventing diseased in mammals by administering an amount of a peptide of the invention sufficient to achieve the desired response.
Type:
Application
Filed:
January 10, 2005
Publication date:
November 10, 2005
Applicant:
Neose Technologies, Inc.
Inventors:
Shawn DeFrees, David Zopf, Zhi-Guang Wang, Henrik Clausen
Abstract: The invention provides methods for purifying carbohydrates, including oligosaccharides, nucleotide sugars, and related compounds, by use of ultrafiltration, nanofiltration and/or reverse osmosis. The carbohydrates are purified away from undesired contaminants such as compounds present in reaction mixtures following enzymatic synthesis or degradation of oligosaccharides.
Abstract: This invention provides nucleic acid and amino acid sequences of fucosyltransferases from Helicobactor pylori. The invention also provides methods to use the fucosyltransferases to synthesize oligosaccharides, glycoproteins, and glycolipids.
Type:
Application
Filed:
January 22, 2004
Publication date:
July 28, 2005
Applicants:
Neose Technologies, Inc., Governors of the University of Alberta
Inventors:
Joanne Simala-Grant, Diane Taylor, Karl Johnson, Daniel Bezila
Abstract: The present invention provides methods for producing sialyloligosaccharides in situ in dairy sources and cheese processing waste streams, prior to, during, or after processing of the dairy source during the cheese manufacturing process. The methods of the present invention use the catalytic activity of &agr;(2-3) trans-sialidases to exploit the high concentrations of lactose and &agr;(2-3) sialosides which naturally occur in dairy sources and cheese processing waste streams to drive the enzymatic synthesis of &agr;(2-3) sialyllactose. &agr;(2-3) sialyloligosaccharides produced according to these methods are additionally encompassed by the present invention. The invention also provides for recovery of the sialyloligosaccharides produced by these methods. The invention further provides a method for producing &agr;(2-3) sialyllactose. The invention additionally provides a method of enriching for &agr;(2-3) sialyllactose in milk using transgenic mammals that express an &agr;(2-3) trans-sialidase transgene.
Type:
Application
Filed:
March 11, 2004
Publication date:
September 23, 2004
Applicant:
Neose Technologies, Inc.
Inventors:
Marc Pelletier, William A. Barker, David J. Hakes, David A. Zopf
Abstract: A novel gene defining a novel enzyme in the UDP-D-galactose: &bgr;-N-acetylglucosamine/&bgr;-N-acetylgalactosamine &bgr;1,3galactosyltransferase family, termed &bgr;3Gal-T5, with unique enzymatic properties is disclosed. The enzymatic activity of &bgr;3Gal-T5 is shown to be distinct from that of previously identified enzymes of this gene family. The invention discloses isolated DNA molecules and DNA constructs encoding &bgr;3Gal-T5 and derivatives thereof by way of amino acid deletion, substitution or insertion exhibiting &bgr;3Gal-T5 activity, as well as cloning and expression vectors including such DNA, cells tranfected with the vectors, and recombinant methods for providing &bgr;3Gal-T5. The enzyme &bgr;3Gal-T5 and &bgr;3Gal-T5-active derivatives thereof are disclosed, in particular soluble derivatives comprising the catalytically active domain of &bgr;3Gal-T5.
Abstract: The invention includes methods and compositions for remodeling a peptide molecule, including the addition or deletion of one or more glycosyl groups to a peptide, and/or the addition of a modifying group to a peptide.
Type:
Application
Filed:
April 9, 2003
Publication date:
July 22, 2004
Applicant:
Neose Technologies, Inc.
Inventors:
Shawn DeFrees, David Zopf, Robert Bayer, Caryn Bowe, David Hakes, Xi Chen
Abstract: The invention includes methods and compositions for remodeling a peptide molecule, including the addition or deletion of one or more glycosyl groups to a peptide, and/or the addition of a modifying group a peptide.
Type:
Application
Filed:
November 5, 2002
Publication date:
July 15, 2004
Applicant:
Neose Technologies, Inc.
Inventors:
Shawn DeFrees, David Zopf, Robert Bayer, Caryn Bowe, David Hakes, Xi Chen