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Activation response of murine CD8 T cells to supernatant from IL-3-treated basophil cultures

GSE264067 Mus musculus Expression profiling by high throughput sequencing 6 samples Submitted 2024/04/28 Platform GPL19057
Summary
CD8 T cells are critical in combating cancer, but their effectiveness is hindered by exhaustion due to the immunosuppressive tumor microenvironment. Here, we examine the role of IL-3 in coordinating anti-tumor immunity resulting in increased CD8 T-cell functionality. IL-3 treatment of tumor-bearing mice increases CD8 T-cell effector function and protections against tumor progression. However, there is no evidence that IL-3 had direct effect on CD8 T cells. Instead, IL-3 exerts influences basophils to excrete IL-4, which is responsible for inducing increased IFN-γ production and viability of CD8 T cells. Taken together, these findings unveil an IL-3-mediated CD8 T cell-basophil crosstalk that regulates anti-tumor immunity, and offers a encouraging approach for augmenting cancer immunotherapy.
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Also filed as BioProject PRJNA1100915 and SRA study SRP502008. Searching any of these in the dataset finder brings you back here.

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