Abstract
Dengue fever is one of the major health problems in India. Interaction with specific receptor(s) at the cell surface is one of the first events in the pathogenesis of Dengue virus. However, relatively little is known about these receptors. Cellular receptors in human monocytes and mouse neural cells are main target for the viral infection. The envelope protein of the virus (E-protein) plays important role in attachment of virus to target cells and their interaction with cellular receptors. The modulation of receptor gene(s) and/or protein(s) can be used as a method for interfering with virus entry and can thus become a new method for disease prevention. The receptors can be purified by affinity chromatography using E-protein as ligand. It has been reported that addition of highly sulfated heparan sulfate prevents E-protein binding to target cells suggesting that heparan sulfate is utilized by dengue envelope protein to bind to target cells.
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