Literature DB >> 19934342

Preventive effects of bexarotene and budesonide in a genetically engineered mouse model of small cell lung cancer.

Yian Wang1, Weidong Wen, Yijun Yi, Zhongqiu Zhang, Ronald A Lubet, Ming You.   

Abstract

In the present study, we examined the effect of bexarotene (Targretin) and budesonide in the chemoprevention of small cell lung carcinoma using a lung-specific knockout model of Rb1 and p53. Upon treatment with bexarotene, tumor incidence, number, and load were significantly reduced (P < 0.05). Budesonide treatment trended to inhibition, but the effect was not statistically significant (P > 0.05). Immunohistochemical staining indicated that bexarotene treatment decreased cell proliferation and increased apoptosis in tumors. The Rb1/p53 gene-targeted mouse seems to be a valuable model for chemopreventive studies on human small cell lung cancer. Our results indicate that the retinoid X receptor agonist bexarotene may be a potent chemopreventive agent in this cancer type.

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Year:  2009        PMID： 19934342      PMCID： PMC6001362          DOI： 10.1158/1940-6207.CAPR-09-0221

Source DB:  PubMed          Journal:  Cancer Prev Res (Phila)        ISSN： 1940-6215


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