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Glycobiology Advance Access published online on September 24, 2008
Glycobiology, doi:10.1093/glycob/cwn092
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© The Author 2008. Published by Oxford University Press. All rights reserved. For permissions, please e-mail: journals.permissions@oxfordjournals.org

Review

Focus on antivirally active sulfated polysaccharides: from structure-activity analysis to clinical evaluation#

Tuhin Ghosh1,a, Kausik Chattopadhyay1,a, Manfred Marschallb, Paramita Karmakara, Pinaki Mandala and Bimalendu Ray*,a

a Natural Products Laboratory, Department of Chemistry, The University of Burdwan, WB 713 104, India
b Institute for Clinical and Molecular Virology, University of Erlangen-Nuremberg, Erlangen, Germany

* Author to whom correspondences should be addressed. Telephone: + (91) 342 25 56 56 6; fax: + (91) 342 2634200; Email: bimalendu_ray{at}yahoo.co.uk

Received on July 29, 2008; accepted on September 19, 2008

In recent years, many compounds having potent antiviral activity in cell culture have been detected and some of these compounds are currently undergoing either preclinical or clinical evaluation. Among these antiviral substances naturally occurring sulfated polysaccharides and those from synthetic origin are noteworthy. Recently, several controversies over the molecular structures of sulfated polysaccharides, viral glycoproteins and cell surface receptors have been resolved, and many aspects of their antiviral activity have been elucidated. It has become clear that the antiviral properties of sulfated polysaccharides are not only a simple function of their charge density and chain length but also their detailed structural features. The in vivo efficacy of these compounds mostly corresponds to their ability to inhibit the attachment of the virion to the host cell surface, although in some cases virucidal activity plays an additional role. This review summarizes experimental evidence indicating that sulfated polysaccharides might become increasingly important in drug development for the prevention of sexually transmitted diseases in the near future.

Key words: sulfated polysaccharides / antiviral activity / structural diversity / structure-function relationship / mechanisms

1 These authors equally contributed to this work

# Supplementary data included


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