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Selectin blocking activity of a fucosylated chondroitin sulfate glycosaminoglycan from sea cucumber. Effect on tumor metastasis and neutrophil recruitment


Borsig, L; Wang, L; Cavalcante, M C M; Cardilo-Reis, L; Ferreira, P L; Mourão, P A S; Esko, J D; Pavão, M S G (2007). Selectin blocking activity of a fucosylated chondroitin sulfate glycosaminoglycan from sea cucumber. Effect on tumor metastasis and neutrophil recruitment. Journal of Biological Chemistry, 282(20):14984-14991.

Abstract

Heparin is an excellent inhibitor of P- and L-selectin binding to the carbohydrate determinant, sialyl Lewis(x). As a consequence of its anti-selectin activity, heparin attenuates metastasis and inflammation. Here we show that fucosylated chondroitin sulfate (FucCS), a polysaccharide isolated from sea cucumber composed of a chondroitin sulfate backbone substituted at the 3-position of the beta-D-glucuronic acid residues with 2,4-disulfated alpha-L-fucopyranosyl branches, is a potent inhibitor of P- and L-selectin binding to immobilized sialyl Lewis(x) and LS180 carcinoma cell attachment to immobilized P- and L-selectins. Inhibition occurs in a concentration-dependent manner. Furthermore, FucCS was 4-8-fold more potent than heparin in the inhibition of the P- and L-selectin-sialyl Lewis(x) interactions. No inhibition of E-selectin was observed. FucCS also inhibited lung colonization by adenocarcinoma MC-38 cells in an experimental metastasis model in mice, as well as neutrophil recruitment in two models of inflammation (thioglycollate-induced peritonitis and lipopolysaccharide-induced lung inflammation). Inhibition occurred at a dose that produces no significant change in plasma activated partial thromboplastin time. Removal of the sulfated fucose branches on the FucCS abolished the inhibitory effect in vitro and in vivo. Overall, the results suggest that invertebrate FucCS may be a potential alternative to heparin for blocking metastasis and inflammatory reactions without the undesirable side effects of anticoagulant heparin.

Heparin is an excellent inhibitor of P- and L-selectin binding to the carbohydrate determinant, sialyl Lewis(x). As a consequence of its anti-selectin activity, heparin attenuates metastasis and inflammation. Here we show that fucosylated chondroitin sulfate (FucCS), a polysaccharide isolated from sea cucumber composed of a chondroitin sulfate backbone substituted at the 3-position of the beta-D-glucuronic acid residues with 2,4-disulfated alpha-L-fucopyranosyl branches, is a potent inhibitor of P- and L-selectin binding to immobilized sialyl Lewis(x) and LS180 carcinoma cell attachment to immobilized P- and L-selectins. Inhibition occurs in a concentration-dependent manner. Furthermore, FucCS was 4-8-fold more potent than heparin in the inhibition of the P- and L-selectin-sialyl Lewis(x) interactions. No inhibition of E-selectin was observed. FucCS also inhibited lung colonization by adenocarcinoma MC-38 cells in an experimental metastasis model in mice, as well as neutrophil recruitment in two models of inflammation (thioglycollate-induced peritonitis and lipopolysaccharide-induced lung inflammation). Inhibition occurred at a dose that produces no significant change in plasma activated partial thromboplastin time. Removal of the sulfated fucose branches on the FucCS abolished the inhibitory effect in vitro and in vivo. Overall, the results suggest that invertebrate FucCS may be a potential alternative to heparin for blocking metastasis and inflammatory reactions without the undesirable side effects of anticoagulant heparin.

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Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Center for Integrative Human Physiology
04 Faculty of Medicine > Institute of Physiology
07 Faculty of Science > Institute of Physiology
Dewey Decimal Classification:570 Life sciences; biology
610 Medicine & health
Language:English
Date:May 2007
Deposited On:20 Mar 2009 15:26
Last Modified:04 Sep 2016 07:19
Publisher:American Society for Biochemistry and Molecular Biology
ISSN:0021-9258
Additional Information:This research was originally published in Borsig, L; Wang, L; Cavalcante, M C M; Cardilo-Reis, L; Ferreira, P L; Mourão, P A S; Esko, J D; Pavão, M S G (2007). Selectin blocking activity of a fucosylated chondroitin sulfate glycosaminoglycan from sea cucumber. Effect on tumor metastasis and neutrophil recruitment. Journal of Biological Chemistry, 282(20):14984-14991. © the American Society for Biochemistry and Molecular Biology.
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:10.1074/jbc.M610560200
PubMed ID:17371880
Permanent URL: http://doi.org/10.5167/uzh-14330

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