Transcriptomics

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Regulatory T cells suppress the formation of super-effector CD8 T cells by limiting IL-2


ABSTRACT: In this experiment, the gene expression of CD8+ T cells primed in the presence or absence of Tregs on a single cell level was analyzed. For this purpose, Ly5.1 OT-I T cells were adoptively transferred into Treg deficient (DEREG+) or Treg replete (DEREG-) mice, activated with DC-OVA, isolated after 3 days, and analyzed by scRNAseq. Invididual samples were indexed with oligo-tagged TotalSeq-C antibodies and pooled prior to the analysis. We observed that Tregs reduced the expression of IL-2 responsive genes, including key cytotoxic molecule granzyme B. Unsupervised clustering revealed 5 clusters including a cluster of cells which did not match any usual CD8+ subsets and, due to unusual co-expression of effector molecules such as GZMK and KLRK1, were dubbed super-effector cells.

ORGANISM(S): Mus musculus

PROVIDER: GSE183940 | GEO | 2022/01/17

REPOSITORIES: GEO

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