in the flank of (A) WT and (B) IL-9ko mice. that prevents the formation of immunologic memory to a growing tumor, highlighting the potential for IL-9 neutralization as a unique tool for cancer immunotherapy. Introduction IL-9 is a paradoxical cytokine, as it mediates both pro-inflammatory events and induction of tolerance. It is secreted by a … Continue reading in the flank of (A) WT and (B) IL-9ko mice