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. 2018 Apr 3;16:401–413. doi: 10.1016/j.redox.2018.04.001

Fig. 4.

Fig. 4

Elevated Nrf2 protein expression under MsrA deficiency is due to protein stabilization rather than increased transcription. (A, B) Representative immunoblot (A) and quantification (B) for Nrf2 protein levels in whole cell lysates from MsrA-/- and WT VSMC; n = 3 biological replicates. (C) Nrf2 mRNA levels in VSMC by qRT-PCR; n = 5 biological replicates. (D) Representative immunoprecipitation of Nrf2 followed by immunoblot for ubiquitin in MsrA-/- and WT VSMC. IgG: IP with IgG, WT + MC132: IP with anti-Nrf2 in WT VSMC incubated with MG132, WCL: whole cell lysate of WT VSMC as controls. (E) Quantification of (D); n = 7 biological replicates. (F) p62 mRNA levels by qRT-PCR in aortic samples WT, MsrA-/- and MsrA-/- x Nrf2-/- mice; n = 7, 9 biological replicates. (G) Representative Immunoblots for Nrf2 and GAPDH in aortic samples from WT, MsrA-/- and MsrA-/- x Nrf2-/- mice. (H) Quantification of (G) n = 7 biological replicates. (E) * p < 0.05 versus WT by two-tailed t-test, H) p < 0.05 versus WT by 1-way ANOVA.