USP1 Regulates TAZ Protein Stability Through Ubiquitin Modifications in Breast Cancer
The Hippo signaling pathway is an evolutionarily conserved pathway that was initially discovered in Drosophila melanogaster and was later found to have mammalian orthologues. The key effector proteins in this pathway, YAP/TAZ, are often dysregulated in cancer, leading to a high degree of cell proliferation, migration, metastasis and cancer stem cell populations. Due to these malignant phenotypes it is important to understand the regulation of YAP/TAZ at the protein level. Using an siRNA library screen of deubiquitinating enzymes (DUBs), we identified ubiquitin specific peptidase 1 (USP1) as a novel TAZ (WWTR1) regulator. We demonstrated that USP1 interacts with TAZ and increases TAZ protein stability. Conversely, loss of function of USP1 reduces TAZ protein levels through increased poly-ubiquitination, causing a decrease in cell proliferation and migration of breast cancer cells. Moreover, we showed a strong positive correlation between USP1 and TAZ in breast cancer patients. Our findings facilitate the attainment of better understanding of the crosstalk between these pathways and may lead to potential therapeutic interventions for breast cancer patients.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2020 |
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| Erschienen: |
2020 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:12 |
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| Enthalten in: |
Cancers - 12(2020), 11 vom: 23. Okt. |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Mussell, Ashley [VerfasserIn] |
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| Links: |
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| Themen: |
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| Anmerkungen: |
Date Revised 28.11.2020 published: Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.3390/cancers12113090 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM316826847 |
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| 520 | |a The Hippo signaling pathway is an evolutionarily conserved pathway that was initially discovered in Drosophila melanogaster and was later found to have mammalian orthologues. The key effector proteins in this pathway, YAP/TAZ, are often dysregulated in cancer, leading to a high degree of cell proliferation, migration, metastasis and cancer stem cell populations. Due to these malignant phenotypes it is important to understand the regulation of YAP/TAZ at the protein level. Using an siRNA library screen of deubiquitinating enzymes (DUBs), we identified ubiquitin specific peptidase 1 (USP1) as a novel TAZ (WWTR1) regulator. We demonstrated that USP1 interacts with TAZ and increases TAZ protein stability. Conversely, loss of function of USP1 reduces TAZ protein levels through increased poly-ubiquitination, causing a decrease in cell proliferation and migration of breast cancer cells. Moreover, we showed a strong positive correlation between USP1 and TAZ in breast cancer patients. Our findings facilitate the attainment of better understanding of the crosstalk between these pathways and may lead to potential therapeutic interventions for breast cancer patients | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a TAZ | |
| 650 | 4 | |a USP1 | |
| 650 | 4 | |a triple negative breast cancer | |
| 700 | 1 | |a Shen, He |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Yanmin |e verfasserin |4 aut | |
| 700 | 1 | |a Mastri, Michalis |e verfasserin |4 aut | |
| 700 | 1 | |a Eng, Kevin H |e verfasserin |4 aut | |
| 700 | 1 | |a Bshara, Wiam |e verfasserin |4 aut | |
| 700 | 1 | |a Frangou, Costa |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Jianmin |e verfasserin |4 aut | |
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