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Preparation and Use of HIV-1 Infected Primary CD4+ T-Cells as Target Cells in Natural Killer Cell Cytotoxic Assays
Published on: March 14, 2011
NK cell function in HIV-1 infection.
Andrea De Maria1, Lorenzo Moretta
1Infectious Diseases Unit, Istituto Nazionale per la Ricerca sul Cancro, Genova, Italy. de-maria@unige.it
Current HIV Research
|October 16, 2008
Summary
Natural killer (NK) cell function is crucial for controlling HIV-1 infection. Impaired NK cell receptors reduce immune surveillance, boosting viral replication and opportunistic infections.
Area of Science:
- Immunology
- Virology
- Cellular Biology
Background:
- Advances in understanding Natural Killer (NK) cell receptors and their functions have clarified their role in HIV-1 infection.
- NK cell dysfunction, marked by altered receptor expression, impairs pathogen surveillance and cell-to-cell communication within the immune system.
Purpose of the Study:
- To elucidate the role of NK cell receptor perturbations in HIV-1 pathogenesis.
- To understand how NK cell failure impacts immune surveillance and adaptive responses during HIV-1 infection.
Main Methods:
- Analysis of NK cell receptor expression and function in HIV-1 infected individuals.
- Comparative studies in human and animal models with controlled disease progression.
Main Results:
- Reduced NK cell function is linked to specific receptor expression changes during HIV-1 infection.
- NK cell failure exacerbates viral replication, compromises anti-neoplastic surveillance, and impairs adaptive immunity.
Conclusions:
- NK cell dysfunction significantly contributes to HIV-1 pathogenesis.
- Studying NK cell function in models of effective disease control may reveal protective mechanisms against infectious diseases.
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