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Altered antigen-presenting cells during HIV-1 infection

Piguet, Vincent, Caucheteux, Stephane, Iannetta, Marco and Hosmalin, Anne 2014. Altered antigen-presenting cells during HIV-1 infection. Current Opinion in HIV and AIDS 9 (5) , pp. 478-484. 10.1097/COH.0000000000000096

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Abstract

HIV-1 can invade APC and overall reduce their capacity to present antigens effectively, mostly by reducing their numbers and inducing permanent hyperactivation. This occurs via a combination of alterations; however, the host can counteract, at least in part, some of these defects via restriction factors, autophagy, the production of type I interferon, antiviral cytokines, among others. However, these specific mechanisms of viral evasion from APCs' control lead to a chronic hyperactivation of the immune system implicated in AIDS-related and non-AIDS related pathogenesis. Unfortunately, the current regimens of antiretroviral therapy are unable to dampen sufficiently APC-driven viral-induced immune hyperactivation. Understanding how HIV alters APC will help to tune appropriately both intrinsic immunity and innate immunity, as well as achieve efficient antigen presentation to the adaptive immune system, without inducing a detrimental pervasive hyperactivation of the immune system.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Medicine
Subjects: Q Science > QR Microbiology > QR355 Virology
ISSN: 1746-630X
Last Modified: 27 Mar 2019 15:28
URI: http://orca.cf.ac.uk/id/eprint/79254

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