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Updated: Jul 9, 2026
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Conformational Evaluation of HIV-1 Trimeric Envelope Glycoproteins Using a Cell-based ELISA Assay
Published on: September 14, 2014
CD4-induced epitopes in the HIV envelope glycoprotein, gp120
1Division of Basic and Vaccine Research, Institute of Human Virology, University of Maryland Biotechnology Institute, Baltimore, MD 21201, USA. devico@umbi.umd.edu
Current HIV Research
|November 30, 2007
Summary
Conserved CD4-induced epitopes on the HIV gp120 protein are key targets for developing vaccines and therapies against diverse HIV strains. Understanding their accessibility, antigenicity, and immunogenicity is crucial for advancing HIV treatment strategies.
Area of Science:
- Immunology
- Virology
- Structural Biology
Background:
- The HIV surface glycoprotein gp120 is highly variable, but contains conserved functional domains.
- CD4-induced epitopes on gp120 are stabilized upon CD4 receptor engagement, forming transition states.
- These conserved regions are critical targets for developing effective HIV vaccines and therapeutics.
Purpose of the Study:
- To review current findings on CD4-induced epitopes on gp120.
- To explore the accessibility, antigenicity, and immunogenicity of these conserved domains.
Main Methods:
- This review synthesizes existing research on gp120 structure and function.
- Analysis of studies investigating CD4-induced epitope characteristics.
Main Results:
- CD4-induced epitopes represent stable, conserved regions within the variable HIV gp120 envelope spike.
- Their stabilization through CD4 engagement highlights their potential as vaccine targets.
- Further research is needed to fully understand their immunological relevance and practical application.
Conclusions:
- CD4-induced epitopes are promising targets for universal HIV vaccines and therapies.
- Continued investigation into their properties is essential for successful development.
- These conserved regions offer a strategic advantage in combating diverse HIV strains.
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