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Glycoconjugates and methods

Patent ·
OSTI ID:985675

Methods for making the functionalized glycoconjugates include (a) contacting a cell with a first monosaccharide, and (b) incubating the cell under conditions whereby the cell (i) internalizes the first monosaccharide, (ii) biochemically processes the first monosaccharide into a second saccharide, (iii) conjugates the saccharide to a carrier to form a glycoconjugate, and (iv) extracellularly expresses the glycoconjugate to form an extracellular glycoconjugate comprising a selectively reactive functional group. Methods for forming products at a cell further comprise contacting the functional group of the extracellularly expressed glycoconjugate with an agent which selectively reacts with the functional group to form a product. Subject compositions include cyto-compatible monosaccharides comprising a nitrogen or ether linked functional group selectively reactive at a cell surface and compositions and cells comprising such saccharides.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC03-76SF00098
Assignee:
The Regents of the University of California (Oakland, CA)
Patent Number(s):
7,351,408
Application Number:
11/188,587
OSTI ID:
985675
Country of Publication:
United States
Language:
English

References (15)

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Chemical Glycobiology journal March 2001
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New amino sugar analogues are incorporated at different rates into glycoproteins of mouse organs journal October 1993
Labeling of the glycoprotein subunit of sodium-potassium ATPase with fluorescent probes journal January 1985
Synthetic concanavalin A receptors and erythrocyte agglutination journal April 1978
Cell-contact mediated modulation of the sialylation of contactinhibin journal October 1995
Cell‐surface engineering with GPI‐anchored proteins journal April 1996
Synthesis of Novel Amphiphilic Compounds Containing Aza-12-crown-4 or D-Glucosamine and Their Ion Permeability journal January 1996
Chemical remodelling of cell surfaces in living animals journal August 2004
Grafting of triggering site onto lymphocytes; distribution of grafted dinitrophenyl groups on cell surface glycoproteins and glycolipids journal January 1983

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