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Phagosome Migration and Velocity Measured in Live Primary Human Macrophages Infected with HIV-1
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The macrophage and HIV: basic concepts and methodologies
1Institute of Human Virology, University of Maryland School of Medicine, Baltimore, MD, USA.
Methods in Molecular Biology (Clifton, N.J.)
|October 26, 2013
Summary
This study details methods for culturing human macrophages and infecting them with HIV. It highlights accutase as a superior method for gentle cell detachment, crucial for studying HIV-macrophage interactions.
Area of Science:
- Virology
- Immunology
- Cell Biology
Background:
- Macrophage lineage cells are primary hosts for Human Immunodeficiency Virus (HIV) replication in vivo.
- Understanding HIV-macrophage interactions is critical, especially for HIV-associated diseases in tissues like the brain where T-cell infection is minimal.
- Current knowledge of HIV's entry, replication, latency, and persistence in macrophages lags behind T-cell infection.
Purpose of the Study:
- To describe reliable experimental methods for studying HIV infection of macrophages in vitro.
- To elucidate the molecular mechanisms and pathological consequences of HIV-macrophage interactions.
- To provide protocols for cultivating macrophages, infecting them with HIV, and isolating infectious HIV.
Main Methods:
- Cultivation of human blood monocyte-derived macrophages.
- Infection of macrophages with HIV and subsequent maintenance.
- Isolation of infectious HIV from infected macrophages.
- Utilizing accutase for gentle macrophage detachment, preserving surface antigens and viability.
Main Results:
- Established protocols for in vitro HIV infection of macrophages.
- Demonstrated the efficacy of accutase for macrophage detachment compared to traditional methods.
- Enabled the isolation and propagation of infectious HIV from host cells, maintaining viral properties.
Conclusions:
- In vitro macrophage culture and infection models are essential for understanding HIV pathogenesis.
- Accutase offers a significant improvement for macrophage detachment in experimental settings.
- These methods facilitate accurate investigation of HIV-macrophage dynamics, crucial for therapeutic development.
