act(p(HGNC:USP14)) decreases act(complex(GO:"proteasome complex"))

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PubMed:26041011

We identified three specific RNA aptamers of USP14 (USP14-1, USP14-2, and USP14-3) that inhibited its deubiquitinating activity. The nucleotide sequences of these non-cytotoxic USP14 aptamers contained conserved GGAGG motifs, with G-rich regions upstream, and similar secondary structures. They efficiently elevated proteasomal activity, as determined by the increased degradation of small fluorogenic peptide substrates and physiological polyubiquitinated Sic1 proteins. Additionally, proteasomal degradation of tau proteins was facilitated in the presence of the UPS14 aptamers in vitro.

Related Edges 2

• a(HBP:"USP14 Aptamer") decreases act(p(HGNC:USP14))
• act(complex(GO:"proteasome complex")) decreases a(HBP:"Tau aggregates")

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