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Methods Enzymol. 2008;446:61-76. doi: 10.1016/S0076-6879(08)01604-2.

A mouse mammary epithelial cell model to identify molecular mechanisms regulating breast cancer progression.

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Division of Medical Oncology, Department of Medicine, University of Medicine and Dentistry of New Jersey, Robert Wood Johnson Medical School, Piscataway, New Jersey, USA.


Breast cancer, like any other human cancer, results from the accumulation of mutations that deregulate critical cellular processes, such as cell proliferation and death. Activation of oncogenes and inactivation of tumor suppressor genes are common events during cancer initiation and progression and often determine treatment responsiveness. Thus, recapitulating these events in mouse cancer models is critical for unraveling the molecular mechanisms involved in tumorigenesis and for interrogating their possible impact on response to anticancer drugs. We have developed a novel mouse mammary epithelial cell model, which replicates the steps of epithelial tumor progression and takes advantage of the power of mouse genetics and the ability to assess three-dimensional morphogenesis in the presence of extracellular matrix to model human breast cancer.

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