The chemokine receptor CCR5: multi-faceted hook for HIV-1
Natacha Faivre1,2,3, Christel Verollet1,2,3, Fabrice Dumas4
1Institut de Pharmacologie et de Biologie Structurale (IPBS), Université de Toulouse, CNRS, Université Toulouse III - Paul Sabatier (UPS), Toulouse, France.
Retrovirology
|January 23, 2024
Summary
Chemokine receptors like CCR5 exhibit structural diversity, which HIV-1 exploits for infection. This review explores CCR5 variations and emerging therapeutic strategies targeting these pathways.
Area of Science:
- Immunology: Focuses on chemokines, cytokines, and leukocyte migration.
- Virology: Examines pathogen hijacking of cellular mechanisms, specifically HIV-1 infection.
- Structural Biology: Investigates the diversity of chemokine receptors, including CCR5.
Background:
- Chemokines are cytokines crucial for immune cell activation and migration via G protein-coupled receptors (GPCRs).
- They regulate vital biological processes including apoptosis, proliferation, and immune homeostasis.
- Pathogens can exploit chemokine receptors, like CCR5, for host infection.
Purpose of the Study:
- To review the structural diversity of the chemokine receptor CCR5.
- To explain how HIV-1 utilizes CCR5 variability for cellular infection.
- To discuss current therapeutic strategies against CCR5-mediated infections.
Main Methods:
- Literature review of studies on chemokine receptor structure and function.
- Analysis of research detailing HIV-1 interactions with CCR5.
- Survey of ongoing therapeutic developments targeting CCR5.
Main Results:
- CCR5 displays significant structural, organizational, and conformational diversity.
- This variability is a key factor enabling HIV-1 to infect target cells.
- Various therapeutic approaches are under development to counteract this interaction.
Conclusions:
- Understanding CCR5's structural plasticity is vital for combating HIV-1.
- Targeting CCR5's diverse forms presents therapeutic opportunities.
- Further research into CCR5 modulation could yield novel anti-HIV strategies.
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