DC-SIGN, a C-type lectin expressed on dendritic cells (DCs), can sequester human immunodeficiency virus (HIV) virions in multivesicular bodies. Here, using large-scale gene expression profiling and tyrosine-phosphorylated proteome analyses, we characterized signaling mediated by DC-SIGN after activation by either HIV or a DC-SIGN-specific antibody. Activation of DC-SIGN resulted in downregulation of genes encoding major histocompatibility complex class II, Jagged 1 and interferon-response mol...Expand abstract
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Activation of the lectin DC-SIGN induces an immature dendritic cell phenotype triggering Rho-GTPase activity required for HIV-1 replication.
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