Article
Reduced levels of ATF-2 predispose mice to mammary tumors.
Molecular and cellular biology - 1 Mar 2007
Maekawa Toshio, Shinagawa Toshie, Sano Yuji, Sakuma Takahiko, Nomura Shintaro, Nagasaki Koichi, Miki Yoshio, Saito-Ohara Fumiko, Inazawa Johji, Kohno Takashi, Yokota Jun, Ishii Shunsuke
Abstract excerpt
Transcription factor ATF-2 is a nuclear target of stress-activated protein kinases, such as p38, which are activated by various extracellular stresses, including UV light. Here, we show that ATF-2 plays a critical role in hypoxia- and high-cell-density-induced apoptosis and the development of mammary tumors. Compared to wild-type cells, Atf-2(-/-) mouse embryonic fibroblasts (MEFs) were more resistant to hypoxia-...
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