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Recent advances targeting innate immunity-mediated therapies against HIV-1 infection

Microbiology and Immunology, ISSN: 0385-5600, Vol: 56, Issue: 8, Page: 497-505
2012
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Article Description

Early defence mechanisms of innate immunity respond rapidly to infection against HIV-1 in the genital mucosa. Additionally, innate immunity optimises effective adaptive immune responses against persistent HIV infection. Recent research has highlighted the intrinsic roles of apolipoprotein B mRNA-editing, enzyme-catalytic, polypeptide-like 3G, tripartite motif-containing protein 5, tetherin, sterile α-motif and histidine/aspartic acid domain-containing protein 1 in restricting HIV-1 replication. Likewise, certain endogenously secreted antimicrobial peptides, namely α/β/θ-defensins, lactoferrins, secretory leukocyte protease inhibitor, trappin-2/elafin and macrophage inflammatory protein-3α are reportedly protective. Whilst certain factors directly inhibit HIV, others can be permissive. Interferon-λ3 exerts an anti-HIV function by activating Janus kinase-signal transducer and activator of transcription-mediated innate responses. Morphine has been found to impair intracellular innate immunity, contributing to HIV establishment in macrophages. Interestingly, protegrin-1 could be used therapeutically to inhibit early HIV-1 establishment. Moreover, chloroquine inhibits plasmacytoid dendritic cell activation and improves effective T-cell responses. This minireview summarizes the recently identified targets for innate immunity-mediated therapies and outlines the challenges that lie ahead in improving treatment of HIV infection. © 2012 The Societies and Blackwell Publishing Asia Pty Ltd.

Bibliographic Details

Shankar, Esaki Muthu; Velu, Vijayakumar; Vignesh, Ramachandran; Vijayaraghavalu, Sivakumar; Rukumani, Devi Velayuthan; Sabet, Negar Shafiei

Wiley

Immunology and Microbiology

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