Neddylation of HER2 Inhibits its Protein Degradation and promotes Breast Cancer Progression
© The author(s)..
HER2 is a transmembrane receptor with intrinsic tyrosine kinase activity that is overexpressed in almost 25% of human breast cancers. Here, we report that the neddylation of HER2 is a new post-translational modification that controls its expression and oncogenic activity in human breast cancer. Two critical members in the neddylation pathway, NEDD8 and NEDD8-activating enzyme E1 subunit 1 (NAE1), are detected in human breast specimens. Overexpressed NEDD8 and NAE1 are positively correlated with HER2 expression in human breast cancer. Subsequent structure and function experiments show that HER2 directly interacts with NEDD8 and NAE1, whereas HER2 protein expression is decreased by neddylation depletion. Mechanistically, neddylation inhibition promotes the degradation of HER2 protein by improving its ubiquitination. HER2 overexpression abrogates neddylation depletion-triggered cell growth suppression. The inhibition of neddylation synergized with trastuzumab significantly suppresses growth of HER2 positive breast cancer. Collectively, this study demonstrates a previously undiscovered role of NEDD8-dependent HER2 neddylation promotes tumor growth in breast cancer.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:19 |
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| Enthalten in: |
International journal of biological sciences - 19(2023), 2 vom: 21., Seite 377-392 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Xia, Xiaohong [VerfasserIn] |
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| Links: |
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| Themen: |
Breast cancer |
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| Anmerkungen: |
Date Completed 09.02.2023 Date Revised 24.02.2023 published: Electronic-eCollection Citation Status MEDLINE |
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| doi: |
10.7150/ijbs.75852 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 100 | 1 | |a Xia, Xiaohong |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Neddylation of HER2 Inhibits its Protein Degradation and promotes Breast Cancer Progression |
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| 500 | |a Date Revised 24.02.2023 | ||
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| 500 | |a Citation Status MEDLINE | ||
| 520 | |a © The author(s). | ||
| 520 | |a HER2 is a transmembrane receptor with intrinsic tyrosine kinase activity that is overexpressed in almost 25% of human breast cancers. Here, we report that the neddylation of HER2 is a new post-translational modification that controls its expression and oncogenic activity in human breast cancer. Two critical members in the neddylation pathway, NEDD8 and NEDD8-activating enzyme E1 subunit 1 (NAE1), are detected in human breast specimens. Overexpressed NEDD8 and NAE1 are positively correlated with HER2 expression in human breast cancer. Subsequent structure and function experiments show that HER2 directly interacts with NEDD8 and NAE1, whereas HER2 protein expression is decreased by neddylation depletion. Mechanistically, neddylation inhibition promotes the degradation of HER2 protein by improving its ubiquitination. HER2 overexpression abrogates neddylation depletion-triggered cell growth suppression. The inhibition of neddylation synergized with trastuzumab significantly suppresses growth of HER2 positive breast cancer. Collectively, this study demonstrates a previously undiscovered role of NEDD8-dependent HER2 neddylation promotes tumor growth in breast cancer | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
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| 650 | 4 | |a neddylation | |
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| 700 | 1 | |a Hu, Tumei |e verfasserin |4 aut | |
| 700 | 1 | |a He, Xiaoyue |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Yuan |e verfasserin |4 aut | |
| 700 | 1 | |a Yu, Cuifu |e verfasserin |4 aut | |
| 700 | 1 | |a Kong, Weiyao |e verfasserin |4 aut | |
| 700 | 1 | |a Liao, Yuning |e verfasserin |4 aut | |
| 700 | 1 | |a Tang, Daolin |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Jinbao |e verfasserin |4 aut | |
| 700 | 1 | |a Huang, Hongbiao |e verfasserin |4 aut | |
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