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Updated: Jul 2, 2026

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Evaluation of the Efficacy And Toxicity of RNAs Targeting HIV-1 Production for Use in Gene or Drug Therapy
Published on: September 5, 2016
CCR5 as target for HIV-1 gene therapy
1Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON M5S 3E2, Canada.
Current Gene Therapy
|August 12, 2008
Summary
Targeting the CCR5 co-receptor offers a promising strategy to combat HIV-1 infection and transmission. Gene therapy approaches aim to downregulate CCR5, preventing viral entry without apparent immune defects.
Area of Science:
- Immunology
- Virology
- Genetics
Background:
- Human immunodeficiency virus type-1 (HIV-1) causes acquired immune deficiency syndrome (AIDS).
- Viral entry depends on the envelope glycoprotein binding to CD4 and a co-receptor (CCR5 or CXCR4).
- CCR5 is crucial for HIV-1 infection and disease progression.
Purpose of the Study:
- To review the significance of targeting the CCR5 co-receptor for HIV-1 therapy.
- To summarize current gene therapy strategies for CCR5 downregulation.
Main Methods:
- Review of existing literature on CCR5 as an HIV-1 therapeutic target.
- Analysis of various anti-CCR5 molecules and gene therapy approaches.
- Comparison of CCR5 with other potential targets like CD4 and CXCR4.
Main Results:
- CCR5 is a viable therapeutic target due to its essential role in HIV-1 entry and lack of essential immune function.
- Individuals lacking functional CCR5 show reduced HIV-1 susceptibility and delayed AIDS progression.
- Diverse strategies, including small molecules, antibodies, and gene therapies, are being developed to block CCR5.
Conclusions:
- Targeting CCR5 is a promising strategy to prevent HIV-1 infection and transmission.
- Gene therapy offers innovative methods to downregulate CCR5 expression or synthesis.
- Further development of anti-CCR5 strategies holds potential for effective HIV-1 intervention.
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