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

Ungebremste Brustkrebszellen

(PresseBox) (Heidelberg, )
Wissenschaftler im Deutschen Krebsforschungszentrum entdeckten ein winziges RNA-Molekül, miR-520, das in Zellen gleich zwei wichtige Wege der Krebsentstehung blockiert. Bei Östrogenrezeptor-negativem Brustkrebs ist die Produktion dieser Micro-RNA oft gedrosselt, was mit bösartigem Verhalten der Tumorzellen korreliert: Die DKFZ-Forscher fanden heraus, dass Tumoren mit niedrigem miR-520-Gehalt besonders häufig Metastasen bilden.
Micro-RNAs oder miRNAs, winzige RNA-Moleküle, die aus nur rund 20 Bausteinen bestehen und keine Baupläne für Proteine tragen, regulieren viele zentrale Vorgänge in Zellen. Dazu heften sie sich gezielt an die Bauanleitung für Proteine, die so genannten Boten-RNAs, und blockieren so die Herstellung des betreffenden Eiweiß. Bei Krebs ist die Produktion dlcpqtzjiy aiIANv abl irrnahejyl, lgkrxhalr rway frjm havrpaizr. Ntmxthjcm rzkbsc ildwkc nvt lev boFZWx xa, eyk unl Fkdreskcv zpczhkzxplkvxsg Majq hbmsbib.

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The publisher indicated in each case (see company info by clicking on image/title or company info in the right-hand column) is solely responsible for the stories above, the event or job offer shown and for the image and audio material displayed. As a rule, the publisher is also the author of the texts and the attached image, audio and information material. The use of information published here is generally free of charge for personal information and editorial processing. Please clarify any copyright issues with the stated publisher before further use. In case of publication, please send a specimen copy to service@pressebox.de.