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Fusion of human immunodeficiency virus-infected cells with uninfected cells

J D Lifson1

  • 1Division of Cellular Immunology, Genelabs Incorporated, Redwood City, California 94063.

Methods in Enzymology
|January 1, 1993
PubMed

Insights

A new assay simplifies studying human immunodeficiency virus (HIV) envelope glycoprotein-induced membrane fusion. This method aids in analyzing HIV infection processes and identifying potential inhibitors.

Area of Science:

  • Virology
  • Cell Biology
  • Immunology

Background:

  • Membrane fusion mediated by human immunodeficiency virus (HIV) envelope glycoproteins (gp120 and gp41) is crucial for viral entry and pathogenesis.
  • These fusion events depend on interactions between the viral gp120 glycoprotein and the host cell CD4 receptor.

Purpose of the Study:

  • To develop a straightforward, rapid, and convenient assay for analyzing HIV envelope glycoprotein-mediated membrane fusion.
  • To facilitate the identification of inhibitors targeting these critical HIV life cycle processes.

Main Methods:

  • The study describes a novel assay procedure designed for the analysis of CD4-dependent HIV envelope glycoprotein-induced membrane fusion.
  • The assay is characterized by its simplicity, speed, and convenience.

Main Results:

  • The developed assay effectively analyzes HIV envelope glycoprotein-mediated membrane fusion events.
  • The assay procedure is suitable for the identification of potential inhibitors of HIV fusion.

Conclusions:

  • A new, efficient assay has been established for studying key membrane fusion events in the HIV life cycle.
  • This assay provides a valuable tool for advancing research into HIV infection mechanisms and therapeutic strategies.

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