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USP8 deubiquitinates CHMP1B. 6 / 7
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"Thus, deubiquitination of CHMP1B by USP8 at the endosomal membrane may favor CHMP1B oligomerization and co-assembly with IST1 in vivo."
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"By deubiquitinating CHMP1B, USP8 also indirectly regulates the deubiquitination of EGFR in the early endosomes [201] Indeed, USP8 activating variants result in increased EGFR recycling, which in turn leads to a rise in POMC transcription [11,12,183] (Figure 4)."
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"Based on these observations, we propose that CHMP1B is dynamically regulated by ubiquitination in response to EGF and that USP8 triggers CHMP1B deubiquitination possibly favoring its subsequent assembly into a membrane associated ESCRT-III polymer."
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"Our results thus strongly suggest that USP8 deubiquitinates CHMP1B."
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"Finally, we observed that the ubiquitination level of endogenous CHMP1B was higher in partially Usp8 silenced cells compared to control cells, strengthening the hypothesis that USP8 deubiquitinates CHMP1B (XREF_FIG)."
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"Furthermore, we have demonstrated that USP8 deubiquitinates CHMP1B."
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