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. 2019 Jan 10;43(3):1271–1280. doi: 10.3892/ijmm.2019.4059

Figure 5.

Figure 5

SIRT1 regulates the acetylation level of QKI 5. (A) In the liver tissues of model mice, the acetylation level of QKI 5 increased, but this was reversed by SRT1720. (B) Increased acetylation of QKI 5 was induced by the inhibition of SIRT1 (niacinamide), but was decreased in hepatocytes treated with SRT1720. (C) Increasing acetylation of QKI 5 was induced by siRNA of SIRT1, but was decreased in hepatocytes treated with Ad-SIRT1. The results of protein interaction confirmed the interaction between (D) SIRT1 and (E) QKI 5, and its level in the SRT1720 group was increased compared with model mice. QKI 5, Quaking 5; SIRT1, Sirtuin 1; siRNA, small interfering RNA; Ad, adenovirus; IP, immunoprecipitation; WB, western blotting.