Fig. 7
Levels of USP13 and PTEN during hypoxia, a Expression of USP13 and PTEN in a hypoxic environment. MRC-5 cells were exposed to normoxic (21 % O2) or hypoxic (1 % O2) conditions for 24 h or 48 h. Error bars indicate the mean ± SEM. *p <0.05. b PTEN ubiquitination in a hypoxic environment. MRC-5 cells were exposed to normoxic (21 % O2) or hypoxic (1 % O2) conditions for 48 h, and then PTEN and ubiquitinated PTEN (Ub-PTEN) were assessed by immunoprecipitation and western blot. Data are representative of at least three independent experiments