T cells play a crucial role in fighting cancer something well appreciated by Lionel Apetoh who showed that they were essential for the efficacy of chemotherapies during his PhD. Since then, he's been interested in trying to improve the efficacy of these vital cells.

However, increasing the efficacy of these cells against cancers comes with challenges; if they become too aggressive they could damage the body. So now Lionel's lab is working to fine tune their responses.

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