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Updated: Jul 25, 2026

A Restriction Enzyme Based Cloning Method to Assess the In vitro Replication Capacity of HIV-1 Subtype C Gag-MJ4 Chimeric Viruses
Published on: August 31, 2014
HIV-1 entry and its inhibition.
1Department of Microbiology, University of Pennsylvania, 301C Johnson Pavilion, 3610 Hamilton Walk, Philadelphia, PA 19104, USA. tpierson@mail.med.upenn.edu
This review details how Human Immunodeficiency Virus type 1 (HIV-1) enters cells using its envelope glycoproteins. Understanding this viral entry mechanism aids in developing new HIV-1 entry inhibitors for therapy.
Area of Science:
- Virology
- Molecular Biology
- Immunology
Background:
- HIV-1 entry into host cells is mediated by envelope (Env) glycoproteins.
- This process involves the complex fusion of viral and cell membranes.
- Previous research has provided insights into viral entry mechanisms.
Purpose of the Study:
- To review the mechanism of HIV-1 entry into permissive cells.
- To highlight the role of viral and cellular proteins in this process.
- To emphasize targeting distinct steps of viral entry for novel therapeutic design.
Main Methods:
- Review of existing scientific literature on HIV-1 entry.
- Analysis of the molecular mechanisms of viral-cellular protein interactions.
- Examination of strategies for inhibiting HIV-1 entry.
Main Results:
- HIV-1 entry is a dynamic process driven by Env glycoproteins.
- Viral and cellular proteins play critical roles in mediating membrane fusion.
- Several novel inhibitors targeting different entry steps are in clinical trials.
Conclusions:
- Targeting specific steps of the HIV-1 entry pathway offers a promising therapeutic strategy.
- Inhibiting receptor binding and blocking fusion-related conformational changes are key approaches.
- Further research into viral entry mechanisms can lead to more effective HIV-1 therapies.
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