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Accession IconSRP166106

RNA-seq of Treg and Tconv subsets from murine spleen

Organism Icon Mus musculus
Sample Icon 89 Downloadable Samples
Technology Badge IconIllumina HiSeq 2500

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Description
While unique subsets of Treg cells have been described in some non-lymphoid tissues, their relationship to Treg cells in secondary lymphoid organs and circulation remains unclear. We have identified a recirculating and highly suppressive effector Treg cell subset that expresses the a2 integrin, CD49b, and exhibits a unique tissue distribution. To identify genes and pathways enriched in CD49b+ Treg cells, we performed RNA-seq of splenic CD49b+ and CD49b- Treg cells that were of otherwise similar activation status based on expression of CD44 and CD62L. This revealed that splenic CD49b+ Treg cells express genes related to migration and activation, but are relatively depleted of genes whose expression is TCR-dependent in Treg cells. These results shed light on the identity and development of a functionally potent subset of mature effector Treg cells that recirculates through and surveys peripheral tissues. Overall design: RNA was extracted from FACS-purified splenic Tconv and Treg cells of different activation states from Foxp3GFP mice. 2 CD4+ T-cell lineages x 3 activation states x 4 replicates. There is no sample 3 (RNA was degraded); there are 23 samples in total.
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90
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