4.2 Article

A look at HIV journey: from dendritic cells to infection spread in CD4+ T cells

期刊

CURRENT OPINION IN HIV AND AIDS
卷 6, 期 5, 页码 391-397

出版社

LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/COH.0b013e328349b0a0

关键词

CD4(+) T cells; dendritic cells; HIV; microbicide; transmission; virological synapse

资金

  1. Swiss National Science Foundation (SNF)
  2. Gates foundation
  3. Agence Nationale de Recherche sur le SIDA (ANRS)
  4. SIDACTION

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Purpose of review Dendritic cells and their subsets are among the very first immune cells to tackle incoming pathogens and initiate innate and adaptive immune responses. During the past year, some studies investigating the early events occurring at mucosal sites, upon HIV infection, reinforced our view that the virus has evolved subtle strategies to hijack key cellular components in dendritic cells, thus leading to viral acquisition and dissemination while dampening or delaying antiviral responses. Recent findings In this review, we will detail recent research aimed at investigating the involvement of different dendritic cell subtypes on HIV transmission at mucosal sites, the events and cellular factors in dendritic cell guiding HIV trafficking, and polarization at the virological synapse. Furthermore, we will link some of these basic findings with current and novel therapeutic and prophylactic strategies targeting the early events of mucosal HIV transmission. Summary It is becoming evident that a better characterization of the early events of HIV transmission and the involvement of dendritic cell subtypes in this process would contribute to strengthen our efforts to improve the current therapeutic and prophylactic strategies.

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