SYNTHESIS AND FIBROBLAST GROWTH-FACTOR BINDING OF OLIGOSACCHARIDES RELATED TO HEPARIN AND HEPARAN-SULFATE

被引:20
|
作者
WESTMAN, J [1 ]
NILSSON, M [1 ]
ORNITZ, DM [1 ]
SVAHN, CM [1 ]
机构
[1] WASHINGTON UNIV,SCH MED,DEPT MOLEC BIOL & PHARMACOL,ST LOUIS,MO 63110
关键词
D O I
10.1080/07328309508006439
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
A series of six disaccharides, alpha-L-IdoA-(1-->4)-alpha-D-GlcNAc-1-->OMe alpha-L-IdoA-(1-->4)-alpha-D-GIcNSO(3)-1-->OMe, beta-D-GlcA-(1-->4)-alpha-D-GlcNAc-1-->OMe, beta-D-GlcA-(1-->4)-alpha-D-GlcNSO(3)-1-->OMe, alpha-D-GlcNAc-(1-->4)-beta-D-GlcA-1-->OMe, beta-D-GlcNAc-(1-->4)-beta-D-GlcA-1--->OMe, and two trisaccharide, beta-D-GlcA-(1-->4)-alpha-D-GlcNAc-(1-->4)-beta-D-GlcA.1-->OMe, alpha-L-IdoA-(1-->4)-alpha-D-GlcNSO(3)-(1-->4)-beta-D-GlcA-1-->Ome was prepared and screened for biological activity in vitro. The oligosaccharides were tested, togetherwith a previously synthesized trisaccharide, alpha-L-IdoA-(1-->4)-alpha-D-GlcNAc-(1-->4)-beta-D-GlcA-1-->Ome, and three tetrasaccharides, alpha-L-IdoA-(1-->4)-alpha-D-GlcNAc-(1-->4)-beta-D-GlcA-(1-->3-beta-D-Gal-1-->Ome, beta-D-GlcA-(1-->3)-beta-D-Gal-(1-->3)-beta-D-Gal-(1-->3)020PO(3)-beta-D-Xyl-1-->Ome, beta-D-GlcA-(1-->3)-beta-D-Gal-(1-->3)-beta-Gal-(1-->3)-beta-D-Xyl-1-->Ome, for competitive binding to acidic and basic fibroblast growth factor in an assay using I-125 labelled heparin. It was found that the non-sulphated trisaccharides, alpha-L-IdoA-(1-->4)-alpha-D-GlcNAc-(1-->4)-beta-D-GlcA-1-->OMe and beta-D-GlcA-(1-->4)-alpha-D-GlcNAc-(1-->4)-beta-D-GlcA-1-->OMe, and two of the disaccharides can bind to acidic as well as basic FGF.
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页码:95 / 113
页数:19
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