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. 2021 May 25;13(11):15240–15254. doi: 10.18632/aging.203084

Figure 4.

Figure 4

SENP1 depletion promotes the SUMOylation of peroxisome proliferator-activated receptor-γ (PPARγ) in mice under intermittent hypoxia (IH) condition. (A) The genotype of mice was identified by agarose gel electrophoresis. (B, C) The expression of SENP1 and SUMO-1 in mice with or without SENP1 knockdown under normoxic and IH conditions. ***p < 0.001 versus the normoxia groups; ###p < 0.001 versus the SENP1+/+-IH group. (D–F) The effects of IH on the SUMOylation of PPARγ (D, E) and the level of PPARγ (D, F) were detected by co-immunoprecipitation followed by western blot analysis. ***p < 0.001 versus the normoxia groups. ##p < 0.01, ###p < 0.001 versus the SENP1+/+-IH group. Normoxia: mice were treated under normoxic condition. IH: mice were exposed under IH. SENP1+/+, wild type mice; SENP1+/−, SENP1 knockdown mice.