PMID- 16611055 OWN - NLM STAT- MEDLINE DCOM- 20060622 LR - 20191109 IS - 1570-162X (Print) IS - 1570-162X (Linking) VI - 4 IP - 2 DP - 2006 Apr TI - Viral piracy: HIV-1 targets dendritic cells for transmission. PG - 169-76 AB - Dendritic cells (DCs), the professional antigen presenting cells, are critical for host immunity by inducing specific immune responses against a broad variety of pathogens. Remarkably the human immunodeficiency virus-1 (HIV-1) subverts DC function leading to spread of the virus. At an early phase of HIV-1 transmission, DCs capture HIV-1 at mucosal surfaces and transmit the virus to T cells in secondary lymphoid tissues. Capture of the virus on DCs takes place via C-type lectins of which the dendritic cell-specific intercellular adhesion molecule-3 (ICAM-3) grabbing nonintegrin (DC-SIGN) is the best studied. DC-SIGN-captured HIV-1 particles accumulate in CD81(+) multivesicular bodies (MVBs) in DCs and are subsequently transmitted to CD4+ T cells resulting in infection of T cells. The viral cell-to-cell transmission takes place at the DC-T cell interface termed the infectious synapse. Recent studies demonstrate that direct infection of DCs contributes to the transmission to T cells at a later phase. Moreover, the infected DCs may function as cellular reservoirs for HIV-1. This review discusses the different processes that govern viral piracy of DCs by HIV-1, emphasizing the intracellular routing of the virus from capture on the cell surface to egress in the infectious synapse. FAU - Lekkerkerker, Annemarie N AU - Lekkerkerker AN AD - Department of Molecular Cell Biology and Immunology, Vrije Universiteit Medical Center Amsterdam, v.d. Boechorststraat 7, 1081 BT Amsterdam, The Netherlands. FAU - van Kooyk, Yvette AU - van Kooyk Y FAU - Geijtenbeek, Teunis B H AU - Geijtenbeek TB LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't PT - Review PL - Netherlands TA - Curr HIV Res JT - Current HIV research JID - 101156990 RN - 0 (Cell Adhesion Molecules) RN - 0 (DC-specific ICAM-3 grabbing nonintegrin) RN - 0 (Lectins, C-Type) RN - 0 (Receptors, Cell Surface) SB - IM MH - Animals MH - Antigen Presentation/immunology MH - Cell Adhesion Molecules/immunology MH - Cell Movement/immunology MH - Dendritic Cells/immunology/*virology MH - HIV Infections/*immunology/*transmission/virology MH - HIV-1/*immunology MH - Humans MH - Lectins, C-Type/immunology MH - Macaca MH - Receptors, Cell Surface/immunology MH - T-Lymphocytes/immunology/virology RF - 79 EDAT- 2006/04/14 09:00 MHDA- 2006/06/23 09:00 CRDT- 2006/04/14 09:00 PHST- 2006/04/14 09:00 [pubmed] PHST- 2006/06/23 09:00 [medline] PHST- 2006/04/14 09:00 [entrez] AID - 10.2174/157016206776055020 [doi] PST - ppublish SO - Curr HIV Res. 2006 Apr;4(2):169-76. doi: 10.2174/157016206776055020.