Related Experiment Video
Updated: Jul 18, 2026
06:07
Oral Combinational Antiretroviral Treatment in HIV-1 Infected Humanized Mice
Published on: October 6, 2022
A novel anticancer agent ARC antagonizes HIV-1 and HCV
S Nekhai1, U G Bhat, T Ammosova
1Center for Sickle Cell Disease, Howard University College of Medicine, Washington, DC, USA. snekhai@howard.edu
Oncogene
|December 19, 2006
Summary
A novel compound, ARC, effectively inhibits HIV-1 transcription and hepatitis C virus replication. This antiviral potential makes ARC a promising candidate for developing new treatments against these global health threats.
Area of Science:
- Virology
- Oncology
- Medicinal Chemistry
Background:
- Human immunodeficiency virus (HIV) and hepatitis C virus (HCV) are significant global health concerns.
- HCV is linked to liver cancer, and HIV is associated with various cancers.
- A novel nucleoside analog, ARC, was previously identified with proapoptotic and antiangiogenic properties.
Purpose of the Study:
- To evaluate the effect of ARC on HIV-1 transcription.
- To assess ARC's impact on HCV replication.
Main Methods:
- Reporter assays were used to measure HIV-1 Tat-based transactivation inhibition.
- Hepatoma cells with HCV replicons (subgenomic and full-length) were utilized to study viral replication.
Main Results:
- ARC demonstrated inhibition of HIV-1 Tat-based transactivation across different cell systems.
- ARC significantly inhibited HCV replication in hepatoma cell models.
- The compound exhibited proapoptotic and antiangiogenic properties in vitro.
Conclusions:
- ARC shows significant antiviral activity against both HIV-1 and HCV in vitro.
- ARC is a potential therapeutic candidate for developing novel antiviral drugs.
- Further research into ARC could lead to new treatments for HIV and HCV infections.
More Related Videos
12:03Evaluation of the Efficacy And Toxicity of RNAs Targeting HIV-1 Production for Use in Gene or Drug Therapy
Published on: September 5, 2016
10:29Quantitative Structure-Activity Relationship, Activity Prediction, and Molecular Dynamics of Non-nucleotide Reverse Transcriptase Inhibitors
Published on: May 9, 2025
Related Concept Videos
01:22Antiviral Nucleoside Inhibitors
Antiviral Nucleoside InhibitorsAntiviral nucleoside inhibitors are structural analogs of natural nucleosides that interfere with viral DNA or RNA synthesis. These compounds selectively target viral polymerases due to their resemblance to host nucleosides, thereby disrupting viral genome replication.Mechanism of Acyclovir ActionAcyclovir is a guanosine analog with a three-carbon acyclic side chain. It selectively targets herpes simplex virus type 1 (HSV-1), herpes simplex virus type 2 (HSV-2),...
01:10Retrovirus Life Cycles
Retroviruses have a single-stranded RNA genome that undergoes a special form of replication. Once the retrovirus has entered the host cell, an enzyme called reverse transcriptase synthesizes double-stranded DNA from the retroviral RNA genome. This DNA copy of the genome is then integrated into the host’s genome inside the nucleus via an enzyme called integrase. Consequently, the retroviral genome is transcribed into RNA whenever the host’s genome is transcribed, allowing the retrovirus to...
01:30Inhibitors of Viral Protein Synthesis
Protein synthesis is indispensable for viral replication, as viruses lack the cellular machinery required for this process and must hijack the host's translational apparatus. In response, host cells deploy a critical innate immune defense involving interferons, specialized cytokines that play a central role in inhibiting viral propagation.Upon viral detection, infected cells release interferons that bind to receptors on adjacent uninfected cells, activating the JAK-STAT signaling pathway and...
01:25Inhibitors Of Virion Release
Viral replication and dissemination rely on efficient mechanisms for host cell entry, genome replication, assembly, and release. Influenza viruses, such as types A and B, are negative-sense single-stranded RNA viruses with a segmented genome, that depend on two critical surface glycoproteins to carry out these processes: hemagglutinin (HA) and neuraminidase (NA). HA initiates infection by binding to sialic acid residues on the surface of host epithelial cells, facilitating receptor-mediated...
01:29Subviral Agents
Subviral agents are infectious entities that resemble viruses but lack one or more viral components, such as a capsid or essential replication machinery. These agents include viroids, prions, and satellites, each possessing distinct structural and functional characteristics that influence their mode of infection and replication.Viroids are the simplest subviral agents, consisting of circular, single-stranded RNA molecules without a protein coat. They exclusively infect plants, relying entirely...
01:19Inhibitors of Virion Maturation and Assembly
As part of their replication cycle, certain viruses synthesize long precursor proteins called polyproteins within infected host cells. In human immunodeficiency virus (HIV), two major polyproteins are produced: Gag and Gag-Pol. The Gag polyprotein supplies the structural components of the virus, while Gag-Pol includes essential viral enzymes such as reverse transcriptase, integrase, and protease. After synthesis, these polyproteins move to the host cell membrane, where they assemble into an...