Abstract
Localization of memory CD8+ T cells to lymphoid or peripheral tissues is believed to correlate with proliferative capacity or effector function. Here we demonstrate that the fractalkine-receptor/CX 3 CR1 distinguishes memory CD8+ T cells with cytotoxic effector function from those with proliferative capacity, independent of tissue-homing properties. CX3 CR1-based transcriptome and proteome-profiling defines a core signature of memory CD8+ T cells with effector function. We find CD62L hi CX3 CR1+ memory T cells that reside within lymph nodes. This population shows distinct migration patterns and positioning in proximity to pathogen entry sites. Virus-specific CX3CR1+ memory CD8+ T cells are scarce during chronic infection in humans and mice but increase when infection is controlled spontaneously or by therapeutic intervention. This CX3 CR1-based functional classification will help to resolve the principles of protective CD8+ T-cell memory.
| Original language | English |
|---|---|
| Article number | 8306 |
| Number of pages | 17 |
| Journal | Nature Communications |
| Volume | 6 |
| DOIs | |
| State | Published - 25 Sep 2015 |
All Science Journal Classification (ASJC) codes
- General Chemistry
- General Biochemistry,Genetics and Molecular Biology
- General Physics and Astronomy
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