Abstract
LARGE amounts of human immunodeficiency virus (HIV) localize on follicular dendritic cells (FDC) in the follicles of secondary lymphoid tissues following viral infection1,2. During clinical latency, active viral infection occurs primarily at these sites3,4. As HIV on FDC is in the form of immune complexes5, some of which may be formed with neutralizing antibody, we investigated whether HIV on FDC is infectious. We report here that HIV on FDC is highly infectious. Furthermore, FDC can convert neutralized HIV into an infectious form even in the presence of a vast excess of neutralizing antibody. Thus FDC may provide a mechanism whereby HIV infection can continue in the presence of neutralizing antibody.
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Heath, S., Tew, J., Tew, J. et al. Follicular dendritic cells and human immunodeficiency virus infectivity. Nature 377, 740–744 (1995). https://doi.org/10.1038/377740a0
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DOI: https://doi.org/10.1038/377740a0
