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. 2022 Jan 1;13(2):623–640. doi: 10.7150/jca.57663

Figure 4.

Figure 4

Regulation of p53 activity by SET7/9. On one hand, SET7/9-mediated methylation at p53 K372 stimulates subsequent acetylation and stabilization of p53. On the other hand, SET7/9 suppresses the interaction of SIRT1 and p53, thus abrogating SIRT1-mediated deacetylation of p53. The stabilized p53 protein further activates transcription of p21/WAF/CIP, induces cell apoptosis and inhibits cell proliferation.