Location, location, location! Rewiring IL-2 circuits defines context-specific outcomes.

Here, we highlight a recent publication by Whyte et al. that reveals diverse immune outcomes of interleukin (IL)-2 expression in distinct microenvironments. Their definition of context-dependent IL-2 networks paves the way for the development of tissue-specific therapies that enlist the potent immuno-modulatory activity of IL-2.