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File: /var/www/html/application/controllers/Detail.php
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An algal-derived DL-galactan hybrid is an efficient preventing agent for in vitro dengue virus infection. | LitMetric
The DL-galactan hybrid C2S-3, isolated from the red seaweed Cryptonemia crenulata (Halymeniaceae, Halymeniales), is a potent and selective inhibitor of the multiplication of diverse strains of DENV-2 in Vero cells with higher effectiveness than the reference polysaccharide heparin. The presence of the compound either only at virus adsorption or at virus internalization exerted a significant and dose-dependent inhibition in DENV-2 plaque number. The compound failed to inactivate DENV-2 directly by incubation of virus before cell infection as well as to induce a refractory state by cell pretreatment. Thus, the inhibitory effect was exclusively exerted through a blockade in virus multiplication during the infectious process. When the entry of DENV-2 particles into the cell is bypassed, as occurs in virus RNA transfection, the polysaccharide C2S-3 failed to block the completion of the multiplication cycle. Furthermore, the antiviral properties of C2S-3 are not correlated with anticoagulant activity.
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