Article
Hepatocytes convert to a fibroblastoid phenotype through the cooperation of TGF-beta1 and Ha-Ras: steps towards invasiveness.
Journal of cell science - 15 Mar 2002
Gotzmann Josef, Huber Heidemarie, Thallinger Christiane, Wolschek Markus, Jansen Burkhard, Schulte-Hermann Rolf, Beug Hartmut, Mikulits Wolfgang
Abstract excerpt
In hepatocarcinogenesis, it is an open question whether transforming growth factor (TGF)-beta1 provides a tumor-suppressive or a tumor-promoting role. To address this question, we employed immortalized murine hepatocytes, which display a high degree of differentiation and, expectedly, arrest in the G1 phase under exposure to TGF-beta1. These hepatocytes maintain epithelial polarization upon expression of...
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