Key Features of CTL-Resistant HIV-Infected T-Cells
Author Information
Author(s): Herrera Alberto, Leyre Louise, Weiler Jared, Linden Noemi Luise, Huynh Tan Thinh, Wang Feng, Kovacs Colin, Caskey Marina, Zumbo Paul, Amiama Maider Astorkia, Terry Sandra, Ho Ya-Chi, Betel Doron, Jones R. Brad
Primary Institution: Cold Spring Harbor Laboratory
Hypothesis
Do HIV-infected CD4 + T-cells exhibit CTL resistance and what are the underlying features?
Conclusion
The study identifies cytotoxic CD4 + T-cells with quiescent metabolic profiles and low ROS production as key features of CTL resistance in HIV reservoirs.
Supporting Evidence
- Cytotoxic CD4 + T-cells were overrepresented among survivors of CTL attack.
- Cells with quiescent metabolic profiles had low levels of reactive oxygen species (ROS) production.
- Inducing ROS production made resistant cells more susceptible to CTL elimination.
- Clinical samples showed similar transcriptional features to the studied cells.
Takeaway
Some HIV-infected T-cells can resist attacks from the immune system, and they have special characteristics that help them survive.
Methodology
The study used single-cell multi-omics and functional metabolic profiling to analyze CTL susceptibility.
Digital Object Identifier (DOI)
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