CD40 has long been known as a co-stimulatory molecule involved in T cell help for dendritic cells, and thereby as a contributor to CD8+ T cell immunity against cancers and infections. However, CD40 signaling drives complex functional responses that can contribute to tumor-specific CD8+ T cell responses in unexpected ways.
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Bedoui, S., Gebhardt, T. Unappreciated complexity in T cell help for dendritic cells. Nat Immunol 23, 1515–1516 (2022). https://doi.org/10.1038/s41590-022-01335-7
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DOI: https://doi.org/10.1038/s41590-022-01335-7
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