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USP25 deubiquitinates YY1. 7 / 7
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"Hence, SNHG16 competitively bound to miR-4500 to regulate the expression of USP21.In the current study, we showed that oncogenic USP21 deubiquitinates and stabilizes YY1 and that YY1 transcriptionally activates lncRNA SNHG16, which further acts as a ceRNA to regulate USP21 (Fig. 8)."
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"However, the function of these networks and their mechanisms upstream and downstream in association with the pathogenesis of NSCLC remain poorly understood.Our current study, for the first time, reported that USP21 acted as an oncogene by deubiquitinating YY1 to stabilize its protein levels in NSCLC cells."
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"Because USP21 is a DUB, we examined whether USP21 could directly interact with and deubiquitinate YY1."
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"The high-molecular-weight conjugates observed were then purified and subjected to blotting for YY1, and the blots demonstrated that wt USP21 but not USP21 C221A reduced YY1 ubiquitination (Fig. 5g)."
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"USP21 deubiquitinates YY1 in LC cells."
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"We observed that USP21 deubiquitinated YY1 and thus stabilized it."
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"Collectively, these findings suggest that USP21 deubiquitinates YY1 in LC cells."
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