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Deutsches Elektronen-Synchrotron DESY Notkestraße 85 22607 Hamburg, Germany http://www.desy.de
Contact Mr Poul Nissen +45 28 99 22 95
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Deutsches Elektronen-Synchrotron DESY

Forscher entdecken Turbo-Schalter der Kalziumpumpe in biologischen Zellen

(PresseBox) (Hamburg, )
Die lebenswichtige Kalziumpumpe in unseren Körperzellen besitzt einen Turbo-Schalter. Das hat ein dänisch-britisches Forscherteam bei Untersuchungen an der Hamburger DESY-Röntgenlichtquelle DORIS und der Europäischen Synchrotronstrahlungsquelle ESRF in Grenoble entdeckt. Der Ein-Aus-Schalter der Pumpe hat demnach noch eine zuvor unbekannte dritte Stellung, bei der die Pumpe in den Turbo-Gang schaltet. Die Gruppe um Henning Tidow von der Universität Aarhus und Lisbeth Poulsen von der Universität Kopenhagen stellt ihre Untersuchungen im britischen Fachjournal "Nature" vor (online vorab veröffentlicht). "Die Entdeckung verbessert nicht nur das Verständnis eines fundamentalen Mechanismus in der Biologie aller höheren Lebewesen, sondern könnte auch einmal eine bessere Behandlung bestimmter
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