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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Inhibition of in vitro HIV infection by trinitrophenyl-protein conjugates.

Levels of natural antibodies (NAb) with high anti-trinitrophenyl (TNP) activity are increased during human immunodeficiency virus (HIV) infection. The aim of the present study was to examine the anti-HIV effect of natural anti-TNP antibodies, as well as that of their internal image, TNP antigen, on HIV infection in vitro. The results obtained with anti-TNP antibodies, as assessed by syncytia formation, were variable, although they demonstrated an inhibitory effect. In contrast, using RT activity assay plus evaluation of syncytia formation and the viral cytopathic effect, we found that bovine serum albumin ( BSA) bearing different TNP groups was able to inhibit HIV infection of peripheral mononuclear cells and T4 cell lines without affecting cell metabolism or proliferation. BSA alone was devoid of activity; the antiviral effect depended on TNP substitution of the BSA molecule, and passage through an anti-TNP immunoadsorbent abolished this effect. The mechanism by which TNP exerts this antiviral effect is unclear. Antigenic epitopes may be shared by HIV and TNP, since monoclonal antibodies directed against various HIV proteins reacted with TNP in an enzyme immunoassay. TNP- BSA, however, did not bind to the CD4 receptor.[1]


  1. Inhibition of in vitro HIV infection by trinitrophenyl-protein conjugates. Matsiota-Bernard, P., Guetard, D., Rame, V., Montagnier, L., Avrameas, S. Res. Immunol. (1995) [Pubmed]
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