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It was recently shown that capture of HIV-1 by DC-SIGN-expressing cells and the subsequent transmission of HIV to CD4 + T-lymphocytes can be prevented by carbohydrate-binding agents (CBAs), whereas polyanions were unable to block virus capture by DC-SIGN. In this study, we could show that a short pre-exposure of HIV-1 to both mannose- and N-acetylglucosamine (GlcNAc)-specific CBAs or polyanions...
Carbohydrate-binding agents (CBAs), such as the mannose-specific Hippeastrum hybrid agglutinin (HHA) and the GlcNAc-specific Urtica dioica agglutinin (UDA), frequently select for glycan deletions in all different domains of HIV-1 gp120, except in the V1/V2 domain. To reveal the underlying mechanisms, a broad variety of 31 different virus strains containing one or several N-glycan deletions in V1/V2...
We studied the antiviral activity of carbohydrate-binding agents (CBAs), including several plant lectins and the non-peptidic small-molecular-weight antibiotic pradimicin A (PRM-A). These agents efficiently prevented hepatitis C virus (HCV) and human immunodeficiency virus type 1 (HIV-1) infection of target cells by inhibiting the viral entry. CBAs were also shown to prevent HIV and HCV capture by...
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