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Identification of Chondroitin Sulfate Glucuronyltransferase as Chondroitin Synthase-3 Involved in Chondroitin Polymerization
Recently, we demonstrated that chondroitin polymerization is achieved by any two combinations of human chondroitin synthase-1 (ChSy-1), ChSy-2 (chondroitin sulfate synthase 3, CSS3), andExpand
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Involvement of chondroitin sulfate synthase-3 (chondroitin synthase-2) in chondroitin polymerization through its interaction with chondroitin synthase-1 or chondroitin-polymerizing factor.
Previously, we have demonstrated that co-expression of ChSy-1 (chondroitin synthase-1), with ChPF (chondroitin-polymerizing factor) resulted in a marked augmentation of glycosyltransferase activitiesExpand
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Correlation of C4ST-1 and ChGn-2 expression with chondroitin sulfate chain elongation in atherosclerosis.
Subendothelial retention of lipoproteins by proteoglycans (PGs) is the initiating event in atherosclerosis. The elongation of chondroitin sulfate (CS) chains is associated with increased low-densityExpand
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Molecular Cloning of a Chondroitin Polymerizing Factor That Cooperates with Chondroitin Synthase for Chondroitin Polymerization*
We recently cloned human chondroitin synthase (ChSy) exhibiting the glucuronyltransferase-II (GlcATII) and N-acetylgalactosaminyltransferase-II (GalNAcTII) activities responsible for the biosynthesisExpand
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Identification of Phosphatase That Dephosphorylates Xylose in the Glycosaminoglycan-Protein Linkage Region of Proteoglycans*
Background: The enzyme responsible for the dephosphorylation of xylose in glycosaminoglycans remains unknown. Results: A protein that removed the phosphate from the phosphorylated linkageExpand
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Expression of rib-1, a Caenorhabditis elegans Homolog of the Human Tumor Suppressor EXT Genes, Is Indispensable for Heparan Sulfate Synthesis and Embryonic Morphogenesis*
The proteins encoded by all of the five cloned human EXT family genes (EXT1, EXT2, EXTL1, EXTL2, and EXTL3), members of the hereditary multiple exostoses gene family of tumor suppressors, areExpand
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FAM20B is a kinase that phosphorylates xylose in the glycosaminoglycan-protein linkage region.
2-O-phosphorylation of xylose has been detected in the glycosaminoglycan-protein linkage region, GlcAbeta1-3Galbeta1-3Galbeta1-4Xylbeta1-O-Ser, of proteoglycans. Recent mutant analyses in zebrafishExpand
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2-O-Phosphorylation of Xylose and 6-O-Sulfation of Galactose in the Protein Linkage Region of Glycosaminoglycans Influence the Glucuronyltransferase-I Activity Involved in the Linkage Region
Sulfated glycosaminoglycans (GAGs), including heparan sulfate and chondroitin sulfate, are synthesized on the so-called common GAG-protein linkage region (GlcUAβ1-3Galβ1-3Galβ1-4Xylβ1-O-Ser) of coreExpand
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Chondroitin 4-O-Sulfotransferase-1 Regulates E Disaccharide Expression of Chondroitin Sulfate Required for Herpes Simplex Virus Infectivity*
We have demonstrated a defect in expression of chondroitin 4-O-sulfotransferase-1 (C4ST-1) in murine sog9 cells, which are poorly sensitive to infection by herpes simplex virus type 1 (HSV-1). Sog9Expand
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Nematode Chondroitin Polymerizing Factor Showing Cell-/Organ-specific Expression Is Indispensable for Chondroitin Synthesis and Embryonic Cell Division*
Chondroitin polymerization was first demonstrated in vitro when human chondroitin synthase (ChSy) was coexpressed with human chondroitin polymerizing factor (ChPF), which is homologous to ChSy butExpand
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