A fucosylated chondroitin sulfate from echinoderm modulates in vitro fibroblast growth factor 2-dependent angiogenesis (original) (raw)

Molecular cancer research : MCR, 2002

Abstract

Fucosylated chondroitin sulfate (FucCS), a glycosaminoglycan obtained from sea cucumber, has the same structure as mammalian chondroitin sulfate, but some of the glucuronic acid residues display sulfated fucose branches. This new polysaccharide has a more favorable effect than heparin on vascular cell growth. It inhibits smooth muscle cell proliferation as heparin, and it has a potent enhancing effect on endothelial cell proliferation and migration in the presence of heparin-binding growth factors. We now extend our studies to the effect of this glycosaminoglycan on endothelial cells to an in vitro angiogenesis model on Matrigel. FucCS, in the presence of fibroblast growth factor-2 (FGF-2), strongly increases the capacity of endothelial cells to form vascular tubes on Matrigel with a well-organized capillary-like network and typical closed structures. Comparison between the activity of native and chemically modified chondroitin sulfate from sea cucumber reveals that the sulfated fuc...

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