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Ganz, H.M. ; Buchmann, B.* ; Engelbrecht, L.K.* ; Jesinghaus, M.* ; Eichelberger, L.* ; Gabka, C.J.* ; Schmidt, G.P.* ; Muckenhuber, A.* ; Weichert, W.* ; Bausch, A.R.* ; Scheel, C.

Generation of ductal organoids from normal mammary luminal cells reveals invasive potential.

J. Pathol., DOI: 10.1002/path.5790 (2021)
Postprint DOI PMC
Open Access Hybrid
Here, we present an experimental model for human luminal progenitor cells that enables single, primary cells isolated from normal tissue to generate complex branched structures resembling the ductal morphology of low-grade carcinoma of no special type (NST). Thereby, we find that ductal structures are generated through invasive branching morphogenesis via matrix-remodeling and identify reduced actomyosin contractility as a prerequisite for invasion. In addition, we show that knockout of E-cadherin causes a dissolution of duct formation as observed in invasive lobular carcinoma (ILC), a subtype of invasive carcinomas where E-cadherin function is frequently lost. Thus, our model shows that invasive capacity can be elicited from normal luminal cells in specific environments which results in low-grade NST morphology. This assay offers a platform to investigate the dynamics of luminal cell invasion and unravel the impact of genetic and non-genetic aberrations on invasive morphology.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Apical-basal Polarity ; Branching Morphogenesis ; Ductal ; Invasive Breast Cancer ; Luminal Progenitor (lp) Cell ; Organoid ; Primary Human Mammary Epithelial Cells; Carcinoma In-situ; E-cadherin Expression; Breast-cancer; Myoepithelial Cells; Epithelial-cells; Genetic Predisposition; Stem-cell; Matrix; Progenitors; Migration
Sprache englisch
Veröffentlichungsjahr 2021
HGF-Berichtsjahr 2021
ISSN (print) / ISBN 0022-3417
e-ISSN 1096-9896
Zeitschrift Journal of Pathology, The
Verlag Wiley
Verlagsort 111 River St, Hoboken 07030-5774, Nj Usa
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Stem Cell Research (ISF)
POF Topic(s) 30204 - Cell Programming and Repair
Forschungsfeld(er) Stem Cell and Neuroscience
PSP-Element(e) G-500890-001
Förderungen German Cancer Aid foundation(Integrate-TN)
German Cancer Aid foundation(Deutsche Krebshilfe)
German Cancer Aid foundation (Max Eder Program)
Khaled group (Department of Pharmacology, University of Cambridge)
DOI 10.1002/path.5790
WOS ID WOS:000700569600001
Scopus ID 85115880392
PubMed ID 34467523
Erfassungsdatum 2021-09-27
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