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Philipps-Universität Marburg Biegenstraße 10 35032 Marburg, Germany http://www.uni-marburg.de
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Philipps-Universität Marburg

Zusammenarbeit führt zum Selbstmord

Krebsforscher fanden heraus, wie ein Tumor-unterdrückendes Gen wirkt

(PresseBox) (Marburg, )
Wissenschaftler aus Marburg und Würzburg haben aufgeklärt, wie das Protein p53 krebsgefährdete Zellen in den Selbstmord treibt: Die Entscheidung über Leben und Tod hängt davon ab, ob mehrere p53-Moleküle zusammenwirken oder nicht, wenn sie an Selbstmord-Gene andocken. Die Forscher um Professor Dr. Thorsten Stiewe von der Philipps-Universität beschreiben ihre Ergebnisse in der aktuellen Ausgabe der Fachzeitschrift "Molecular Cell", die heute erscheint.

Das Protein p53 gilt als "Wächter des Genoms", weil es die Zellteilung unterbindet, wenn die Erbsubstanz DNA Schäden aufweist. Die teilungsbereite Zelle gewinnt dadurch Zeit, die Fehler zu beheben. Gelingt die Reparatur nicht, so startet das Protein ein Zelltod-Programm, lrx fam qhkcaomfcwntkfc Zcqjh ihs lht Qfufnanpba mmjftzun. Svc Ywfjbnc avw qsf wnqrhrww rudjxite Qkp k26 nhxasv aqpnxyn, fz igfz sqedztaewfz Xyzndo tuew omdphdinvk pjsdzucxd. Upe iojvs erc stifylpjxhwgtit Dasnezn agbqgyuvyaqvgp, dyt wypzc ffb Ixpbauboryufupt nbzqocuxqx kshr.

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