Effects of extracellular (e)ATP. Representative flow cytometric analysis (upper panel) and quantification (lower panel) of intracellular IL-22-producing DN ILC3 and ecto⁺ ILC3, on 3 days exposure to eATP. Data are presented as mean ± SEM; **P < .01 as determined by Student t test. Data are summarized from 3-4 independent experiments.