Dynamics and requirements of T cell clonal expansion in vivo at the single-cell level: effector function is linked to proliferative capacity.

Abstract excerpt

The adoptive transfer of TCR-transgenic T cells into syngeneic recipients allows characterization of individual T cells during in vivo immune responses. However, the proliferative behavior of individual T cells and its relationship to effector and memory function has been difficult to define. Here, we used a fluorescent dye to dissect and quantify T cell proliferative dynamics in vivo. We find that the average...

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