Identification of Authentic Inhibitors of HIV-1 Integration

ISSN: 2211-3533 (Online)
ISSN: 2211-3525 (Print)


Volume 14, 2 Issues, 2016


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Anti-Infective Agents

Formerly: Anti-Infective Agents in Medicinal Chemistry

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Identification of Authentic Inhibitors of HIV-1 Integration



Anti-Infective Agents, 4(2): 153-165.

Author(s): M. Witvrouw, V. Fikkert, J. Vercammen, B. Van Maele, Y. Engelborghs and Z Debyser.

Affiliation: Rega Institute for Medical Research, K.U. Leuven, Minderbroedersstraat 10, B-3000 Leuven, Flanders,Belgium.

Abstract

Current strategies for the treatment of human immunodeficiency virus (HIV) infection are based on cocktails of drugs that target the viral entry step and the enzymes reverse transcriptase or protease. At present, the clinical benefit of this combination therapy for HIV-infected patients is considerable, although it is not clear how long this effect will last taking into account the emergence of multiple drug-resistant viral strains. Addition of new anti-HIV drugs targeting additional steps of the viral replication cycle may increase the potency of inhibition and prevent significant resistance development. During HIV replication, integration of the viral genome into the cellular chromosome is an essential step catalyzed by the viral integrase. Although HIV integrase is an attractive target for antiviral therapy and the focus of intensive research, to date only two classes of compounds that selectively inhibit HIV integration have been identified, namely the diketo acids and the pyranodipyrimidines. In this review we address the question why it has proven so difficult to find potent and selective integrase inhibitors; we point to potential pitfalls in defining an inhibitor as an authentic integrase inhibitor and we propose new strategies and new technologies for the discovery of genuine HIV integration inhibitors. For the diketo acids and the pyranodipyrimidines we will discuss in detail the antiviral activity, the molecular mechanism of anti-HIV action, the in vitro HIV resistance development and the clinical perspectives.

Keywords:

integrase, inhibitors, resistance, ledhgf.



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Article Details

Volume: 4
Issue Number: 2
First Page: 153
Last Page: 165
Page Count: 13
DOI: 10.2174/1568012053507007
Price: $58
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