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. 2018 Feb 5;9:500. doi: 10.1038/s41467-018-02863-3

Fig. 7.

Fig. 7

Model for the regulation of BMI1 on androgen receptor independently of PRC1. Besides its PRC1-dependent role (canonical pathway) as a transcriptional repressor, BMI1 also has a PRC1-independent role (noncanonical pathway) as a transcriptional activator: BMI1 stabilizes AR and activates AR-signaling pathway via competitively inhibiting MDM2-induced ubiquitination and degradation of AR in PCa