Premature termination of in vivo reprogramming leads to cancer development through altered epigenetic regulation [array]

We report a reprogrammable mouse system in which reprogramming factor expression in vivo can be controlled temporally by treatment with doxycycline (Dox). Transient expression of reprogramming factors in vivo results in tumor development in various tissues, consisting of undifferentiated dysplastic cells. We analyzed the kidney tumors developed in reprogrammable mice for global gene expressions and DNA methylations.

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Ohnishi K, Semi K, Yamamoto T, Shimizu M, Tanaka A, Mitsunaga K, Okita K, Osafune K, Arioka Y, Maeda T, Soejima H, Moriwaki H, Yamanaka S, Woltjen K, Yamada Y