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. 2019 Sep 12;10:2170. doi: 10.3389/fimmu.2019.02170

Figure 4.

Figure 4

MTreg ADCY9 mRNA and cAMP levels are reduced in patients with GPA. ADCY9 mRNA levels were significantly lower in patients in remission (GPA) (A), but mRNA levels of ADCY9 did not correlate with miR-142-3p expression (B). In the cAMP cohort, cAMP levels were measured in MTregs upon stimulation. cAMP levels in MTregs were higher in healthy controls (HC) after 48 h stimulation (n = 10) than in GPA (n = 10) (C), and total cAMP production was significantly higher in HC than in GPA (D). Besides cAMP, FoxP3 expression was also higher in HC after stimulation (E) and FoxP3 levels correlated with cAMP (F). *p = 0.05–0.01, **p = 0.01–0.001.