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Paul-Ehrlich-Institut Paul-Ehrlich-Str. 51-59 63225 Langen in Hessen, Germany http://www.pei.de

Bildung von Typ-I-Interferon - Infektionsroute und Dosis sind entscheidend

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In einer Studie des Paul-Ehrlich-Instituts und des Instituts für Virologie der Universität Freiburg an Mäusen konnten Forscherinnen und Forscher um Prof. Dr. Zoe Waibler zeigen, dass nach einer Infektion mit Negativstrang-RNA-Viren sowohl die Infektionsroute als auch die Infektionsdosis bestimmen, ob die Bildung des wichtigen Botenstoffs Typ I Interferon (IFN) unabhängig vom IFN-Rezeptor (IFNAR) möglich ist. Diese Ergebnisse werfen ein neues Licht auf die bisher vorherrschende Annahme, dass Typ-I-IFN üblicherweise über eine positive Rückkopplungsschleife über den IFNAR gebildet wird. Die Studie ist am 16.07.2021 im Journal of General Virology erschienen.

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