USP39 and neoplasm: Furthermore, in Kaplan–Meier analysis of survival data from tumor bearing mice, animals implanted with U87MG- and P3-sh-USP39-1 cells exhibited better overall survival (median survival: 27 days vs. 33 days, U87MG-NC and U87MG-sh-USP39-1, respectively; 26 days vs. 31 days, P3-NC and P3-sh-USP39-1, respectively; Fig. 3d).