Loss of ZNRF3/RNF43 Unleashes EGFR in Cancer
ZNRF3 and RNF43 are closely related transmembrane E3 ubiquitin ligases with significant roles in development and cancer. Conventionally, their biological functions have been associated with regulating WNT signaling receptor ubiquitination and degradation. However, our proteogenomic studies have revealed EGFR as the most negatively correlated protein with ZNRF3/RNF43 mRNA levels in multiple human cancers. Through biochemical investigations, we demonstrate that ZNRF3/RNF43 interact with EGFR via their extracellular domains, leading to EGFR ubiquitination and subsequent degradation facilitated by the E3 ligase RING domain. Overexpression of ZNRF3 reduces EGFR levels and suppresses cancer cell growth in vitro and in vivo, whereas knockout of ZNRF3/RNF43 stimulates cell growth and tumorigenesis through upregulated EGFR signaling. Together, these data highlight ZNRF3 and RNF43 as novel E3 ubiquitin ligases of EGFR and establish the inactivation of ZNRF3/RNF43 as a driver of increased EGFR signaling, ultimately promoting cancer progression. This discovery establishes a connection between two fundamental signaling pathways, EGFR and WNT, at the level of cytoplasmic membrane receptor, uncovering a novel mechanism underlying the frequent co-activation of EGFR and WNT signaling in development and cancer.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - year:2024 |
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| Enthalten in: |
bioRxiv : the preprint server for biology - (2024) vom: 11. Jan. |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Yue, Fei [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Revised 10.02.2024 published: Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1101/2024.01.10.574969 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM367509075 |
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| 245 | 1 | 0 | |a Loss of ZNRF3/RNF43 Unleashes EGFR in Cancer |
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| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a ZNRF3 and RNF43 are closely related transmembrane E3 ubiquitin ligases with significant roles in development and cancer. Conventionally, their biological functions have been associated with regulating WNT signaling receptor ubiquitination and degradation. However, our proteogenomic studies have revealed EGFR as the most negatively correlated protein with ZNRF3/RNF43 mRNA levels in multiple human cancers. Through biochemical investigations, we demonstrate that ZNRF3/RNF43 interact with EGFR via their extracellular domains, leading to EGFR ubiquitination and subsequent degradation facilitated by the E3 ligase RING domain. Overexpression of ZNRF3 reduces EGFR levels and suppresses cancer cell growth in vitro and in vivo, whereas knockout of ZNRF3/RNF43 stimulates cell growth and tumorigenesis through upregulated EGFR signaling. Together, these data highlight ZNRF3 and RNF43 as novel E3 ubiquitin ligases of EGFR and establish the inactivation of ZNRF3/RNF43 as a driver of increased EGFR signaling, ultimately promoting cancer progression. This discovery establishes a connection between two fundamental signaling pathways, EGFR and WNT, at the level of cytoplasmic membrane receptor, uncovering a novel mechanism underlying the frequent co-activation of EGFR and WNT signaling in development and cancer | ||
| 650 | 4 | |a Preprint | |
| 650 | 4 | |a Cancer | |
| 650 | 4 | |a Cell signaling | |
| 650 | 4 | |a EGFR | |
| 650 | 4 | |a Ubiquitination | |
| 700 | 1 | |a Ku, Amy T |e verfasserin |4 aut | |
| 700 | 1 | |a Stevens, Payton D |e verfasserin |4 aut | |
| 700 | 1 | |a Michalski, Megan N |e verfasserin |4 aut | |
| 700 | 1 | |a Jiang, Weiyu |e verfasserin |4 aut | |
| 700 | 1 | |a Tu, Jianghua |e verfasserin |4 aut | |
| 700 | 1 | |a Shi, Zhongcheng |e verfasserin |4 aut | |
| 700 | 1 | |a Dou, Yongchao |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Yi |e verfasserin |4 aut | |
| 700 | 1 | |a Feng, Xin-Hua |e verfasserin |4 aut | |
| 700 | 1 | |a Hostetter, Galen |e verfasserin |4 aut | |
| 700 | 1 | |a Wu, Xiangwei |e verfasserin |4 aut | |
| 700 | 1 | |a Huang, Shixia |e verfasserin |4 aut | |
| 700 | 1 | |a Shroyer, Noah F |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Bing |e verfasserin |4 aut | |
| 700 | 1 | |a Williams, Bart O |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Qingyun |e verfasserin |4 aut | |
| 700 | 1 | |a Lin, Xia |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Yi |e verfasserin |4 aut | |
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