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Cyclin E Transgenic Mice: Discovery Tools for Lung Cancer Biology, Therapy, and Prevention

期刊

CANCER PREVENTION RESEARCH
卷 3, 期 12, 页码 1513-1518

出版社

AMER ASSOC CANCER RESEARCH
DOI: 10.1158/1940-6207.CAPR-10-0297

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  1. National Institutes of Health (NIH)
  2. National Cancer Institute (NCI) [R01 CA087546, R03 CA132166, R01-CA111422, R03-CA130102]
  3. Samuel Waxman Cancer Research Foundation

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Lung cancer is the leading cause of cancer-related mortality in the United States and many other countries. This fact underscores the need for clinically relevant models to increase our understanding of lung cancer biology and to help design and implement preventive and more effective therapeutic interventions for lung cancer. New murine transgenic models of non-small cell lung cancer (NSCLC) have been engineered for this purpose. In one such model, overexpression of the cell-cycle regulator cyclin E is targeted to type II alveolar lung cells; dysplasia, hyperplasia, and adenocarcinoma forming in this model have features recapitulating key features of carcinogenesis found in NSCLC patients. These features include the presence of chromosomal instability, pulmonary dysplasia, and hyperplasia, hedgehog-pathway activation, single and multiple adenocarcinomas, and even metastases. Cell lines that expressed either a human wild-type or mutant (proteasome-degradation-resistant) form of cyclin E were derived from the transgenic mouse lung cancers. These cell lines are transplantable into syngeneic host mice, which rapidly develop lung tumors and thus facilitate the rapid testing of agents targeting lung carcinogenesis. These transgenic and transplantable models have already aided in the discovery of oncogenic and growth-suppressive microRNAs and in the identification of a novel antineoplastic mechanism of action for inhibitors of cyclin-dependent kinase 2. This review discusses the general utility of murine carcinogen-induced and transgenic models of lung carcinogenesis and describes the optimization of cyclin E-overexpressing lung carcinogenesis models and their use in testing candidate agents for the prevention and therapy of lung cancer. Cancer Prev Res; 3(12); 1513-8. (C) 2010 AACR.

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