The biopolymers extracted from sea hydrocoles were screened and a group of sulfated polysaccharides--fucoidans having a pronounced inhibitory effect on the adsorption of Hantaan virus in the cultured Vero E6 cells was identified. The mechanism of action of sulfated polysaccharides was realized through competitive carbohydrate-specific binding to cell membrane receptors and through ligand-receptor interaction and blocking of Hantaan virus glycoproteins (G1 and G2).

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The biopolymers extracted from sea hydrocoles were screened and a group of sulfated polysaccharides--fucoidans having a pronounced inhibitory effect on the adsorption of Hantaan virus in the cultured Vero E6 cells was identified. The mechanism of action of sulfated polysaccharides was realized through competitive carbohydrate-specific binding to cell membrane receptors and through ligand-receptor interaction and blocking of Hantaan virus glycoproteins (G1 and G2).

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