UDP-GlcNAc 2-Epimerase: A Regulator of Cell Surface Sialylation

Modification of cell surface molecules with sialic acid is crucial for their function in many biological processes, including cell adhesion and signal transduction. Uridine diphosphate-N-acetylglucosamine 2-epimerase (UDP-GlcNAc 2-epimerase) is an enzyme that catalyzes an early, rate-limiting step i...

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Veröffentlicht in:Science (American Association for the Advancement of Science) 1999-05, Vol.284 (5418), p.1372-1376
Hauptverfasser: Keppler, Oliver T., Hinderlich, Stephan, Langner, Josmar, Schwartz-Albiez, Reinhard, Reutter, Werner, Pawlita, Michael
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container_end_page 1376
container_issue 5418
container_start_page 1372
container_title Science (American Association for the Advancement of Science)
container_volume 284
creator Keppler, Oliver T.
Hinderlich, Stephan
Langner, Josmar
Schwartz-Albiez, Reinhard
Reutter, Werner
Pawlita, Michael
description Modification of cell surface molecules with sialic acid is crucial for their function in many biological processes, including cell adhesion and signal transduction. Uridine diphosphate-N-acetylglucosamine 2-epimerase (UDP-GlcNAc 2-epimerase) is an enzyme that catalyzes an early, rate-limiting step in the sialic acid biosynthetic pathway. UDP-GlcNAc 2-epimerase was found to be a major determinant of cell surface sialylation in human hematopoietic cell lines and a critical regulator of the function of specific cell surface adhesion molecules.
doi_str_mv 10.1126/science.284.5418.1372
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Cell surface</topic><topic>Cell lines</topic><topic>Cell Membrane - metabolism</topic><topic>Cell membranes</topic><topic>Cell structures and functions</topic><topic>Cells</topic><topic>Cells (Biology)</topic><topic>Complementary DNA</topic><topic>COS cells</topic><topic>Culture Media</topic><topic>Escherichia coli Proteins</topic><topic>Eukaryotes</topic><topic>Eukaryotic cells</topic><topic>Fundamental and applied biological sciences. 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subjects Animals
Antigens, CD - metabolism
Antigens, Differentiation, B-Lymphocyte - metabolism
B lymphocytes
Biological and medical sciences
Carbohydrate Epimerases - genetics
Carbohydrate Epimerases - metabolism
Cell Adhesion Molecules - metabolism
Cell coat. Cell surface
Cell lines
Cell Membrane - metabolism
Cell membranes
Cell structures and functions
Cells
Cells (Biology)
Complementary DNA
COS cells
Culture Media
Escherichia coli Proteins
Eukaryotes
Eukaryotic cells
Fundamental and applied biological sciences. Psychology
Glycoconjugates
Glycoconjugates - metabolism
Histocompatibility Antigens Class I - biosynthesis
HL-60 Cells
Humans
Lectins - metabolism
Lewis X Antigen - biosynthesis
Lipopolysaccharide Receptors - biosynthesis
Messenger RNA
Molecular and cellular biology
Molecules
Myeloid cells
Oligosaccharides - biosynthesis
Physiological regulation
Plasma membranes
Rats
Sialic Acid Binding Ig-like Lectin 2
Sialic acids
Sialic Acids - biosynthesis
Transcription, Genetic
Transfection
Tumor Cells, Cultured
title UDP-GlcNAc 2-Epimerase: A Regulator of Cell Surface Sialylation
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