IndraLab
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"Together with results showing USP13 is important for DDR and RAP80 localization at the sites of DNA damage, we hypothesized that RAP80 ubiquitination is inhibitory of its function, and deubiquitination of RAP80 by USP13 following DNA damage promotes RAP80 function in the DDR pathway."
"USP13, in turn, deubiquitinates RAP80 and promotes RAP80 recruitment and proper DDR."
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"On the other hand, ectopic expression of wild-type USP13, but not the C345A mutant which is still capable of interacting with PTEN (XREF_FIG), reduced the poly-ubiquitination of PTEN by 65% (XREF_FIG), suggesting that the enzymatic activity of USP13 is indispensable for USP13 dependent deubiquitination of PTEN."
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"On the other hand, ectopic expression of wild-type USP13, but not the C345A mutant which is still capable of interacting with PTEN (XREF_FIG), reduced the poly-ubiquitination of PTEN by 65% (XREF_FIG), suggesting that the enzymatic activity of USP13 is indispensable for USP13 dependent deubiquitination of PTEN."
"In this study, we demonstrate that the deubiquitinase USP13 stabilizes c-Myc by antagonizing FBXL14-mediated ubiquitination to maintain GSC self-renewal and tumorigenic potential."
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"As USP13 functions as a deubiquitinase that also interacts with c-Myc (XREF_FIG) and the preferential expression of USP13 in GSCs positively regulates c-Myc protein levels (XREF_FIG), we hypothesized that USP13 might mediate deubiquitination of c-Myc protein to prevent its degradation and stabilize c-Myc in GSCs."
"While A20 inhibits PtdIns3P signaling by removing the TRAF6-dependent Lys63-linked chains from Beclin 1, the enzymes USP10 and USP13 prevent PI3K-III complex components from their degradation and, therefore, support autophagy. Interestingly enough, USP10 also stabilizes p53, which, in turn, triggers the degradation of Beclin 1 and VPS34 in order to prevent autophagy."
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"Conversely, it was show that Beclin 1 is deubiquitinated by USP10 and USP13 and adding complexity, Beclin 1 itself controlled the protein stabilities of USP10 and USP13 by regulating their deubiquitinating activities, in turn regulating the levels of tumor suppressor p53 [XREF_BIBR]."
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"Taken together, these studies suggest that USP14 is involved in the occurrence and progression of multiple malignant tumors.Other USP family members: USP13, the main regulator of ovarian cancer energy metabolism, specifically deubiquitinates and stabilizes oxoglutarate dehydrogenase and ATP citrate lyase, which can catalyze fatty acid synthesis, glutaminolysis and mitochondrial respiration."
"USP13, the main regulator of ovarian cancer energy metabolism, specifically deubiquitinates and stabilizes oxoglutarate dehydrogenase and ATP citrate lyase, which can catalyze fatty acid synthesis, glutaminolysis and mitochondrial respiration."
"USP13, the main regulator of ovarian cancer energy metabolism, specifically deubiquitinates and stabilizes oxoglutarate dehydrogenase and ATP citrate lyase, which can catalyze fatty acid synthesis, glutaminolysis and mitochondrial respiration."
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"Taken together, these studies suggest that USP14 is involved in the occurrence and progression of multiple malignant tumors.Other USP family members: USP13, the main regulator of ovarian cancer energy metabolism, specifically deubiquitinates and stabilizes oxoglutarate dehydrogenase and ATP citrate lyase, which can catalyze fatty acid synthesis, glutaminolysis and mitochondrial respiration."
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"To investigate whether USP13 mediated the deubiquitination of cohesin subunits, we cotransfected 293T cells with expression vectors for His ubiquitin and Myc-USP13, purified ubiquitinated proteins by Ni-NTA affinity chromatography, and performed Western blot with antibodies to SMC3 and RAD21 (XREF_FIG A)."
USP13 affects TCRalpha
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"Although our results have not ruled out the possibility that USP13 may contribute to deubiquitination of TCRalpha with the assistance of a substrate recruiting adaptor in cells, the inability to deubiquitinate TCRalpha by purified USP13 suggests that the accumulation of ubiquitinated TCRalpha in USP13 knockdown cells is probably due to ERAD inhibition at a step downstream of ubiquitination, as shown in Bag6 depleted cells."
USP13 affects Stomach Neoplasms
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USP13 deubiquitinates Stomach Neoplasms. 1 / 1
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