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Related Experiment Videos

Host genetic influences on HIV-1 pathogenesis.

N L Michael1

  • 1Department of Molecular Diagnostics and Pathogenesis, Division of Retrovirology, Walter Reed Army Institute of Research, 1600 East Gude Drive, Rockville, MD 20850, USA. nmichael@pasteur.hjf.org

Current Opinion in Immunology
|August 17, 1999
PubMed
Summary

Human immunodeficiency virus type 1 (HIV-1) enters cells via CD4 and chemokine receptors. Genetic variations in the human leukocyte antigen (HLA) locus influence HIV-1 disease progression.

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Area of Science:

  • Immunology
  • Virology
  • Genetics

Background:

  • Cellular entry of HIV-1 depends on CD4 and chemokine receptors.
  • The human immune response to HIV-1 is significantly influenced by the HLA locus.
  • Genetic variations within the HLA locus are increasingly linked to HIV-1 pathogenesis.

Purpose of the Study:

  • To review the historical context and implications of discoveries linking HLA genetic polymorphisms to HIV-1 pathogenesis.
  • To provide an overview of the role of HLA genes in regulating immune responses against HIV-1.
  • To discuss how variations in HLA genes affect the progression of HIV-1 infection.

Main Methods:

  • Literature review of studies on HIV-1 entry, HLA genetics, and pathogenesis.
  • Analysis of the relationship between specific HLA polymorphisms and clinical outcomes in HIV-1 infected individuals.

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  • Synthesis of current understanding regarding HLA's role in immune regulation during HIV-1 infection.

    • Main Results:

    • HIV-1 cellular entry mechanisms involve CD4 and chemokine receptors.
    • HLA genes play a critical role in modulating the immune response to HIV-1.
    • Specific genetic polymorphisms in HLA genes are associated with varying rates of HIV-1 disease progression.

    Conclusions:

    • The HLA locus is a key determinant of individual differences in HIV-1 pathogenesis.
    • Understanding HLA-HIV-1 interactions is crucial for developing effective therapeutic and preventative strategies.
    • Future research should continue to explore the complex interplay between host genetics and viral progression.