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Deutsches Krebsforschungszentrum Im Neuenheimer Feld 280 69120 Heidelberg, Germany http://www.dkfz.de
Contact Ms Dr. Sibylle Kohlstädt +49 6221 422854
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Deutsches Krebsforschungszentrum

Fett-Trick schützt vor Zelltod

(PresseBox) (Heidelberg, )
Als Reaktion auf Stress oder Schäden reagieren Zellen mit Seneszenz und stellen ihr Wachstum ein. Sammeln sich seneszente Zellen jedoch langfristig im Gewebe an, kommt es zu chronischer Entzündung und die Krebsgefahr steigt sogar. Forschende vom Deutschen Krebsforschungszentrum (DKFZ) haben nun einen bislang unbekannten Mechanismus entdeckt, mit dem sich seneszente Zellen vor oxidativem Stress und einer speziellen Form des Zelltods, der Ferroptose, schützen. Die Ergebnisse könnten langfristig neue Ansatzpunkte für Krebstherapien und die Behandlung altersassoziierter Erkrankungen liefern.

Seneszenz entsteht, wenn Zellen auf Stress oder schädliche Veränderungen reagieren und dauerhaft ihr Wachstum einstellen. Dieser Prozess gilt als Schutzmechanismus gegen Krebs. Zellen,
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