IndraLab

Statements



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"Considering the action of the proteins ID, USP1 contributes to prevent differentiation mediated by bHLH and, consequently, keep CSC original characteristics."

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"These data, together with a study showing that misregulated ID expression inhibits osteogenic differentiation (Peng et al., 2004), prompted us to investigate whether USP1 overexpression disrupts hMSC [MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

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"Conversely, ectopic USP1 expression in mesenchymal stem cells stabilized ID proteins, inhibited osteoblastic differentiation, and enhanced proliferation."

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"Finally, USP1 knockdown in osteosarcoma cells causes cell‐cycle arrest and osteogenic differentiation."

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"Notably, ML323, a specific inhibitor of the USP1/UAF1 deubiquitinase complex, inhibited Th17-cell differentiation and promoted Treg-cell differentiation in vitro and in vivo, indicating that ML323 might be a promising candidate for the treatment of diseases associated with an imbalance between Th17 and Treg cells."

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"Other USP1 activities include involvement in a feedback loop to limit DDR CHK1 protein kinase activity , and the regulation of cellular differentiation in osteosarcoma cells by deubiquitylating and hence affecting the stability of inhibitors of DNA-binding proteins ."

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"Other USP1 activities include involvement in a feedback loop to limit DDR CHK1 protein kinase activity 72 , and the regulation of cellular differentiation in osteosarcoma cells by deubiquitylating and hence affecting the stability of inhibitors of DNA-binding proteins 73 ."

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"Thus, USP1 overexpression perturbs normal osteoblast differentiation, which is characterized by p53 independent upregulation of multiple CDKIs (Funato et al., 2001; Kenner et al., 2004; Matsumoto et a[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

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"ID2 or USP1 overexpression in mesenchymal stem cells inhibited osteogenic differentiation and promoted retention of mesenchymal stem cell features."

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"In addition, USP1 inhibition accelerated osteogenic differentiation and promoting PI3K/Akt signaling in MC3T3-E1 cells."

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"Importantly, USP1 knockdown results in decreased mesenchymal cell proliferation, and enhanced differentiation of osteosarcoma cells which overexpress USP1 and ID1, providing a rationale for differentiation therapy of many cancer types including leukemia (e.g. acute myelogenous leukemia (AML), chronic myelogenous leukemia (CML))."

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"Collectively, our observations suggest that overexpression of USP1 or ID2 is sufficient to block osteoblastic differentiation, promote retention of stem like features, and render cells resistant to di[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

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"USP1 overexpression not only was necessary for the proliferation of several osteosarcoma cell lines, it also was sufficient to prevent normal mesenchymal cell differentiation, capturing the cells in a[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

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"Finally, USP1 inhibits cell differentiation by stabilizing tumor promoting inhibitor of DNA binding (ID) proteins XREF_BIBR, XREF_BIBR."

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"USP1 promoted Th17-cell differentiation but attenuated Treg-cell differentiation, thereby promoting the development of inflammatory diseases."

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"On the other hand, the recent finding that USP1 contributes to block differentiation in osteosarcoma [XREF_BIBR] raises the possibility that USP1 inhibition could be explored as a strategy for differentiation therapy in this tumor type."

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"Interestingly, USP1 knockdown causes osteoblast differentiation in these cells."