Transcriptomics

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Zfp36l1 establishes the high affinity CD8 T cell response by directly linking TCR affinity to cytokine sensing


ABSTRACT: The T cell effector phase is dominated by few T cells with high affinity TCR for the respective immunodominant antigen. During priming T cells have to process multiple cues in form of antigen, costimulation and cytokines, thus a plethora of T cells with different specificities and affinities has to compete for these cues. IL2 has been suggested to be a pivotal pleiotropic molecule which organizes the quantity, quality and clonal composition of T cells contributing to the effector response. How individual T cells compete for and respond to IL2 and other key cytokines at the molecular level and as a consequence, how this competition shapes population dynamics is still poorly understood. Here we describe how the RNA binding protein ZFP36L1 acts as a sensor of antigen affinity and establishes dominance of high affinity T cells by promoting the response to IL2.

ORGANISM(S): Mus musculus

PROVIDER: GSE230373 | GEO | 2023/04/24

REPOSITORIES: GEO

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