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Werner, M. ; Dyas, A.* ; Parfentev, I.* ; Schmidt, G.E.* ; Mieczkowska, I.K.* ; Mueller-Kirschbaum, L.C.* ; Müller, C.* ; Kalkhof, S.* ; Reinhardt, O.* ; Urlaub, H.* ; Alves, F.* ; Gallwas, J.* ; Prokakis, E.* ; Wegwitz, F.*

ROBO3s: A novel ROBO3 short isoform promoting breast cancer aggressiveness.

Cell Death Dis. 13:762 (2022)
Verlagsversion Forschungsdaten DOI PMC
Open Access Gold
Creative Commons Lizenzvertrag
Basal-like breast cancer (BLBC) is a highly aggressive breast cancer subtype frequently associated with poor prognosis. Due to the scarcity of targeted treatment options, conventional cytotoxic chemotherapies frequently remain the standard of care. Unfortunately, their efficacy is limited as BLBC malignancies rapidly develop resistant phenotypes. Using transcriptomic and proteomic approaches in human and murine BLBC cells, we aimed to elucidate the molecular mechanisms underlying the acquisition of aggressive and chemotherapy-resistant phenotypes in these mammary tumors. Specifically, we identified and characterized a novel short isoform of Roundabout Guidance Receptor 3 (ROBO3s), upregulated in BLBC in response to chemotherapy and encoding for a protein variant lacking the transmembrane domain. We established an important role for the ROBO3s isoform, mediating cancer stem cell properties by stimulating the Hippo-YAP signaling pathway, and thus driving resistance of BLBC cells to cytotoxic drugs. By uncovering the conservation of ROBO3s expression across multiple cancer types, as well as its association with reduced BLBC-patient survival, we emphasize its potential as a prognostic marker and identify a novel attractive target for anti-cancer drug development.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Sprache englisch
Veröffentlichungsjahr 2022
HGF-Berichtsjahr 2022
ISSN (print) / ISBN 2041-4889
e-ISSN 2041-4889
Zeitschrift Cell Death & Disease
Quellenangaben Band: 13, Heft: 9, Seiten: , Artikelnummer: 762 Supplement: ,
Verlag Nature Publishing Group
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Epigenetics and Stem Cells (IES)
POF Topic(s) 30204 - Cell Programming and Repair
Forschungsfeld(er) Stem Cell and Neuroscience
PSP-Element(e) G-554500-001
Förderungen Erich und Gertrud Roggenbuck-Stiftung (Erich and Gertrud Roggenbuck Foundation)
DOI 10.1038/s41419-022-05197-7
WOS ID WOS:000849489900002
Scopus ID 85137164373
PubMed ID 36057630
Erfassungsdatum 2022-09-20
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