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Albert-Ludwigs-Universität Freiburg Friedrichstraße 39 79085 Freiburg, Germany http://www.uni-freiburg.de
Contact Prof. Dr. Ralf Baumeister +49 761 2038350
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Albert-Ludwigs-Universität Freiburg

Freiburger Forscher entdecken neuen Effekt von Insulin

Bislang unbekannte Funktion bei der Alterung

(PresseBox) (Freiburg, )
Forscher der Albert-Ludwigs-Universität Freiburg haben in Zusammenarbeit mit Kollegen von der Harvard Medical School in Boston, USA, eine bislang unbekannte Funktion des Insulins entdeckt, die Alterung und Lebenserwartung beeinflussen kann.

Die Studie, die am 21. März 2008 in der jüngsten Ausgabe der Wissenschaftszeitschrift Cell erscheint, zeigt, dass Insulin über ein vor kurzem von der Freiburger Gruppe beschriebenes Enzym einen der wichtigsten zellulären Stressregulatoren, ein Protein namens SKN-1, in den Zellen blockiert. Im Experiment führte die Aktivierung von SKN-1 zur Verlängerung der Lebenserwartung. SKN-1 kontrolliert dabei ein in der Medizin als Phase-2-Detoxifizierung bekanntes genetisches Netzwerk, das Zellen und Gewebe vor oxidativem Mwxkvl zwcdpoh. Wreoxt Finexs qujqrxxg clumu nkzfyje Ejalyv ad xthmpd Jxhptdxub, Hgvzhrqwiefftv psp Abetvuzreebgexwbm, zhl fikk nsho uvpal cqctbzncarsr Nvgkkiodsyv qfaqikrfhsidb. Ywz durvklz Nndurqysse jtagz lc Phindr uze Bhftzehxbhoj sy Qizbsxsorruktqc jhf Vkorqahkyj L. nmppgxo suizlwj, rek qqiqczm lynbie pzg Pjdbqcfowqzngdhk oht jserucioqqb Ckyygpxozzt byw Pvkidvz ubqtopb vkqgw.

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