Molecular recognition in the human immunodeficiency virus capsid and antiviral design
2012
Bocanegra, Rebeca | Rodríguez-Huete, Alicia | Fuertes, Miguel Ángel | del Álamo, Marta | Mateu, Mauricio G.
Many compounds able to interfere with HIV-1 infection have been identified; some 25 of them have been approved for clinical use. Current anti-HIV-1 therapy involves the use of drug cocktails, which reduces the probability of virus escape. However, many issues remain, including drug toxicity and the emergence of drug-resistant mutant viruses, even in treated patients. Therefore, there is a constant need for the development of new anti-HIV-1 agents targeting other molecules in the viral cycle. The capsid protein CA plays a key role in many molecular recognition events during HIV-1 morphogenesis and uncoating, and is eliciting increased interest as a promising target for antiviral intervention. This article provides a structure-based, integrated review on the CA-binding small molecules and peptides identified to date, and their effects on virus capsid assembly and stability, with emphasis on recent results not previously reviewed. As a complement, we present novel experimental results on the development and proof-of-concept application of a combinatorial approach to study molecular recognition in CA and its inhibition by peptide compounds.
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