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Schönhuber, N.* ; Seidler, B.* ; Schuck, K.* ; Veltkamp, C.* ; Schachtler, C.* ; Zukowska, M.* ; Eser, S.* ; Feyerabend, T.B.* ; Paul, M.C.* ; Eser, P.* ; Klein, S.* ; Lowy, A.M.* ; Banerjee, R.* ; Yang, F.* ; Lee, C.L.* ; Moding, E.J.* ; Kirsch, D.G.* ; Scheideler, A. ; Alessi, D.R.* ; Varela, I.* ; Bradley, A.* ; Kind, A.* ; Schnieke, A.E.* ; Rodewald, H.R.* ; Rad, R.* ; Schmid, R.M.* ; Schneider, G.* ; Saur, D.*

A next-generation dual-recombinase system for time- and host-specific targeting of pancreatic cancer.

Nat. Med. 20, 1340-1347 (2014)
DOI PMC
Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
Genetically engineered mouse models (GEMMs) have dramatically improved our understanding of tumor evolution and therapeutic resistance. However, sequential genetic manipulation of gene expression and targeting of the host is almost impossible using conventional Cre-loxP-based models. We have developed an inducible dual-recombinase system by combining flippase-FRT (Flp-FRT) and Cre-loxP recombination technologies to improve GEMMs of pancreatic cancer. This enables investigation of multistep carcinogenesis, genetic manipulation of tumor subpopulations (such as cancer stem cells), selective targeting of the tumor microenvironment and genetic validation of therapeutic targets in autochthonous tumors on a genome-wide scale. As a proof of concept, we performed tumor cell-autonomous and nonautonomous targeting, recapitulated hallmarks of human multistep carcinogenesis, validated genetic therapy by 3-phosphoinositide-dependent protein kinase inactivation as well as cancer cell depletion and show that mast cells in the tumor microenvironment, which had been thought to be key oncogenic players, are dispensable for tumor formation.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Sprache englisch
Veröffentlichungsjahr 2014
HGF-Berichtsjahr 2014
ISSN (print) / ISBN 1078-8956
e-ISSN 1546-170X
Zeitschrift Nature medicine
Quellenangaben Band: 20, Heft: 11, Seiten: 1340-1347 Artikelnummer: , Supplement: ,
Verlag Nature Publishing Group
Verlagsort New York, NY
Begutachtungsstatus Peer reviewed
Institut(e) CF Comparative Medicine (AVM)
POF Topic(s) 30202 - Environmental Health
Forschungsfeld(er) Genetics and Epidemiology
PSP-Element(e) G-500900-001
PubMed ID 25326799
DOI 10.1038/nm.3646
WOS ID WOS:000344724300025
Scopus ID 84964314145
Erfassungsdatum 2014-10-20
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