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. 2018 Feb 12;37:24. doi: 10.1186/s13046-018-0672-z

Fig. 6.

Fig. 6

The hypothetical model for the positive feedback loop between SMURF1 and ER alpha signaling in breast cancer cells: ER alpha signaling induces the expression of SMURF1, which subsequently stabilizes ER alpha via its HECT domain possibly by inhibiting ER alpha K48-linked polyubiqutination process