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USP4 deubiquitinates CTNNB1. 4 / 4
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"In a colon cancer cell line, USP4 deubiquitinates beta-catenin and mediates its nuclear transportation, thus promoting Wnt and beta-catenin signaling and cancer cells growth, migration, and invasion."

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"We showed that USP4 deubiquitinates beta-catenin."

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"Deubiquitination of beta-catenin by USP4 reverses the ubiquitination mediated degradation of beta-catenin, upregulating Wnt signalling."

"Additionally, DUBs USP14, USP15, USP47, and Fam/USP9X have been reported to prevent β-catenin turnover by inhibiting its Ub-proteasomal degradation"