Nucleic acid recognition and antiviral activity of 1,4-substituted terphenyl compounds mimicking all faces of the HIV-1 Rev protein positively-charged α-helix.
Sci Rep
; 10(1): 7190, 2020 04 28.
Article
em En
| MEDLINE
| ID: mdl-32346097
ABSTRACT
Small synthetic molecules mimicking the three-dimensional structure of α-helices may find applications as inhibitors of therapeutically relevant protein-protein and protein-nucleic acid interactions. However, the design and use of multi-facial helix mimetics remains in its infancy. Here we describe the synthesis and application of novel bilaterally substituted p-terphenyl compounds containing positively-charged aminoalkyl groups in relative 1,4 positions across the aromatic scaffold. These compounds were specifically designed to mimic all faces of the arginine-rich α-helix of the HIV-1 protein Rev, which forms deeply embedded RNA complexes and plays key roles in the virus replication cycle. Two of these molecules recognized the Rev site in the viral RNA and inhibited the formation of the RRE-Rev ribonucleoprotein complex, a currently unexploited target in HIV chemotherapy. Cellular assays revealed that the most active compounds blocked HIV-1 replication with little toxicity, and likely exerted this effect through a multi-target mechanism involving inhibition of viral LTR promoter-dependent transcription and Rev function. Further development of this scaffold may open new avenues for targeting nucleic acids and may complement current HIV therapies, none of which involve inhibitors interfering with the gene regulation processes of the virus.
Texto completo:
1
Base de dados:
MEDLINE
Assunto principal:
Compostos de Terfenil
/
RNA Viral
/
HIV-1
/
Fármacos Anti-HIV
/
Produtos do Gene rev do Vírus da Imunodeficiência Humana
/
Conformação de Ácido Nucleico
Idioma:
En
Ano de publicação:
2020
Tipo de documento:
Article
País de afiliação:
Espanha