Related Experiment Video
Updated: Aug 11, 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
Potential role of CCR5 polymorphism in the development of AIDS dementia complex
L A Boven1, T van der Bruggen, B S van Asbeck
1Eijkman-Winkler Institute for Microbiology, Infectious Diseases and Inflammation, section NeuroImmunology, AZU, room G04.614, Utrecht University, Heidelberglaan 100, 3584 CX, Utrecht, The Netherlands. l.a.boven@lab.azu.nl
Abstract:
The chemokine receptor CCR5 and to a lesser extent CCR2b and CCR3 have been shown to serve as coreceptors for HIV-1 entry into macrophages. Individuals that are homozygous for a defective CCR5 allele (DeltaCCR5) are highly, but not fully, resistant to infection with HIV-1. Here, we want to emphasize the importance of DeltaCCR5 in in vitro as well as in vivo studies. We provide data that suggest that CCR5 polymorphism may affect the onset of AIDS dementia complex in vivo and data that show that HIV-1 replication is influenced by the DeltaCCR5 allele in vitro. Knowing the CCR5 genotype of an individual will help to better interpret research results and may even provide new information about mechanisms of disease.
Insights
The CCR5 gene variant (DeltaCCR5) confers resistance to HIV-1 infection and influences AIDS dementia complex onset. Understanding CCR5 genotypes is crucial for interpreting HIV research and disease mechanisms.
Area of Science:
- Immunology
- Virology
- Genetics
Background:
- Chemokine receptors like CCR5 are essential for HIV-1 entry into macrophages.
- A specific CCR5 allele defect (DeltaCCR5) provides significant resistance to HIV-1 infection.
Purpose of the Study:
- To highlight the significance of the DeltaCCR5 allele in both in vitro and in vivo HIV-1 research.
- To investigate the impact of CCR5 polymorphism on AIDS dementia complex and HIV-1 replication.
Main Methods:
- Analysis of CCR5 polymorphism in relation to HIV-1 infection.
- In vitro studies assessing HIV-1 replication.
- In vivo studies examining AIDS dementia complex onset.
Main Results:
- DeltaCCR5 genotype is linked to resistance to HIV-1 infection.
- CCR5 polymorphism may influence the onset of AIDS dementia complex.
- HIV-1 replication is affected by the DeltaCCR5 allele in vitro.
Conclusions:
- The DeltaCCR5 allele plays a critical role in modulating HIV-1 infection and disease progression.
- Knowledge of an individual's CCR5 genotype aids in interpreting research findings.
- CCR5 genotyping may reveal new insights into HIV-1 pathogenesis and disease mechanisms.
Related Concept Videos
Retrovirus Life Cycles
Alzheimer's Disease: Overview
The clinical diagnosis of AD hinges on the presence of memory and other cognitive impairments. Biomarkers, such as changes in Aβ and tau...
Cytomegalovirus Disease
Cryptococcal Meningitis
Amebiasis
Alzheimer Disease l: Introduction

