A mouse model to identify cooperating signaling pathways in cancer.

Musteanu, Monica; Blaas, Leander; Zenz, Rainer; Svinka, Jasmin; Hoffmann, Thomas; Grabner, Beatrice; Schramek, Daniel; Kantner, Hans-Peter et al. · Nat Methods · 2012

basic_science · Level V

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Abstract

We here establish a mouse cancer model called Multi-Hit that allows for the evaluation of oncogene cooperativities in tumor development. The model is based on the stochastic expression of oncogene combinations ('hits') that are mediated by Cre in a given tissue. Cells with cooperating hits are positively selected and give rise to tumors. We used this approach to evaluate the requirement of Ras downstream effector pathways in tumorigenesis.

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