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Down-regulation of FOXR2 inhibits non-small cell lung cancer cell proliferation and invasion through the Wnt/β-catenin signaling pathway

Wang, Xin-Hua, Cui, Yan-Xiang, Wang, Zhen-Min, Liu, Jian
Biochemical and biophysical research communications 2018 v.500 no.2 pp. 229-235
apoptosis, beta catenin, carcinogenesis, cell growth, cell proliferation, lung neoplasms, metastasis, neoplasm cells, protein content, signal transduction, therapeutics
Forkhead box R2 (FOXR2), a new member of the FOX family, is an important player in a wide range of cellular processes such as proliferation, migration, differentiation and apoptosis. Recently, FOXR2 has been reported to be implicated in cancer development. However, the biological functions of FOXR2 in non-small cell lung cancer (NSCLC) remain unclear. In this study, we investigated the specific role of FOXR2 in NSCLC. The results showed that down-regulation of FOXR2 significantly inhibited NSCLC cell proliferation and invasion in vitro and suppressed NSCLC cell growth and metastasis in vivo. In addition, the decrease in FOXR2 expression markedly reduced the protein levels of β-catenin, cyclinD1 and c-Myc and hence inactivated the Wnt/β-catenin pathway in NSCLC cells. Taken together, we concluded that FOXR2 might be considered as a promising therapeutic target for NSCLC treatment.