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Current Medicinal Chemistry

Editor-in-Chief

ISSN (Print): 0929-8673
ISSN (Online): 1875-533X

Sulfated Oligosaccharides: New Targets for Drug Development?

Author(s): Jose Kovensky

Volume 16 , Issue 18 , 2009

Page: [2338 - 2344] Pages: 7

DOI: 10.2174/092986709788453096

Price: $65

Abstract

Sulfated oligosaccharides display an important role in biological processes. They bind proteins through interactions mediated by highly specific sequences (heparin – antithrombin, heparan sulfate – growth factors / herpes simplex virus) or by electrostatic interaction between sulfate groups and cationic sites of proteins. Sulfated oligosaccharides are involved in biological events as protein localisation at cell surfaces, the control of proteolysis, the modulation of the angiogenesis and metastasis of tumours, the oligomerisation of cell growth factors. Sulfated residues have been recently found in glycoproteins, as GlcNAc or Mannose in N-glycosidic chains of different sources: gp120 of HIV, the envelope glycoprotein of influenza virus, the cysteine protease of Trypanosoma cruzi. This paper reviews recent findings concerning the implication of sulfated sugars in carbohydrate – protein interactions, from glycosaminoglycans to glycosidic chains in proteins, and their potential application as new targets for drugs/vaccines/diagnosis developments will be discussed. New approaches for their detection and analysis (ESI-MS, MALDI, Molecular Imprinting) are presented.


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