In PD patients, JKAP was negatively correlated with Th1 cells (P = 0.043, r = −0.288) and Th17 cells (P = 0.001, r = −0.457), while did not associate with Th2 cells (P = 0.124, r = 0.220) (Fig. 2A‐C). Here, DUSP22 is linked to Parkinson disease.