Zusammenfassung
Die Zellen befinden sich im Körper eingebettet in der extrazellulären Matrix, die ihnen erlaubt, zu interagieren. Experimentell wurde bewiesen, dass die Matrix mehrere Funktionen bei Tumorzelleinnistung und Tumorwachstum ausübt. Sie wirkt u. a. durch ihre Steifheit krebsfördernd, stimuliert die Proliferation der Krebszellen und moduliert die Angiogenese. Ein Beispiel zur Rolle der Matrix sind klinische Untersuchungen, bei denen die Fibronektin-Färbungsintensität im primären Tumorgewebe mit prognostischen Faktoren in Zusammenhang gebracht wurde. Sowohl bei Brustkrebspatientinnen als auch bei Prostatakrebspatienten war eine hohe Färbungsintensität mit einer deutlich kürzeren Überlebensdauer assoziiert. Bei Patienten mit Prostatakrebs war die Fibronektin-Färbungsintensität sogar ein besserer Prädiktor für das Gesamtüberleben als die Tumorgröße, der Lymphknotenstatus und der Gleason-Score. Erkenntnisse aus dem Feld der Matrixforschung können somit neue Impulse für die Onkologie geben.
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Nakchbandi, I. (2014). Die Bedeutung von Matrixproteinen für die Einnistung und das Wachstum von Tumorzellen. In: Stenzl, A., Fehm, T., Hofbauer, L., Jakob, F. (eds) Knochenmetastasen. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-43471-0_3
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