The Huntington disease protein accelerates breast tumour development and metastasis through ErbB2/HER2 signalling
Abstract: In Huntington disease (HD), polyglutamine expansion in the huntingtin protein causes specific neuronal death. The consequences of the presence of mutant huntingtin in other tissues are less well understood. Here we propose that mutant huntingtin influences breast cancer progression. Indeed, we show that mammary tumours appear earlier in mouse breast cancer models expressing mutant huntingtin as compared to control mice expressing wild‐type huntingtin. Tumours bearing mutant huntingtin have a modified gene expression pattern that reflects enhanced aggressiveness with the overexpression of genes favouring invasion and metastasis. In agreement, mutant huntingtin accelerates epithelial to mesenchymal transition and enhances cell motility and invasion. Also, lung metastasis is higher in HD conditions than in control mice. Finally, we report that in HD, the dynamin dependent endocytosis of the ErbB2/HER2 receptor tyrosine kinase is reduced. This leads to its accumulation and to subsequent increases in cell motility and proliferation. Our study may thus have important implications for both cancer and HD.
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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The Huntington disease protein accelerates breast tumour development and metastasis through ErbB2/HER2 signalling ; volume:5 ; number:2 ; year:2013 ; pages:309-325 ; extent:17
EMBO molecular medicine / European Molecular Biology Organization ; 5, Heft 2 (2013), 309-325 (gesamt 17)
- Urheber
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Moreira Sousa, Cristovão
McGuire, John Russel
Thion, Morgane Sonia
Gentien, David
de la Grange, Pierre
Tezenas du Montcel, Sophie
Vincent‐Salomon, Anne
Durr, Alexandra
Humbert, Sandrine
- DOI
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10.1002/emmm.201201546
- URN
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urn:nbn:de:101:1-2023020305580878011619
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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15.08.2025, 07:25 MESZ
Datenpartner
Deutsche Nationalbibliothek. Bei Fragen zum Objekt wenden Sie sich bitte an den Datenpartner.
Beteiligte
- Moreira Sousa, Cristovão
- McGuire, John Russel
- Thion, Morgane Sonia
- Gentien, David
- de la Grange, Pierre
- Tezenas du Montcel, Sophie
- Vincent‐Salomon, Anne
- Durr, Alexandra
- Humbert, Sandrine
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