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Knockdown of CUL4B Suppresses the Proliferation and Invasion in Non-Small Cell Lung Cancer Cells

Xuguang Wang*, Zhe Chen

* Department of Thoracic Surgery, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, P.R. China
† Department of Radiology, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, P.R. China

Oncology Research 2016, 24(4), 271-277. https://doi.org/10.3727/096504016X14666990347473

Abstract

Cullin 4B (CUL4B), a scaffold protein that assembles CRL4B ubiquitin ligase complexes, was found to be overexpressed in many types of tumors. However, the expression pattern and role of CUL4B in non-small cell lung cancer (NSCLC) remain largely unknown. Therefore, in the present study, we investigated the role of CUL4B in NSCLC, and the underlying mechanism was also explored. Our results showed that CUL4B was highly expressed in NSCLC cell lines. Silencing CUL4B obviously inhibited proliferation and migration/invasion of NSCLC cells, and it also suppressed the epithelial–mesenchymal transition (EMT) progress in NSCLC cells. Furthermore, knockdown of CUL4B significantly inhibited the expression of β-catenin, cyclin D1, and c-Myc in NSCLC cells. Taken together, these results suggest that knockdown of CUL4B inhibited the proliferation and invasion through suppressing the Wnt/β-catenin signaling pathway in NSCLC cells. Therefore, CUL4B may represent a novel therapeutic target for the treatment of NSCLC.

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Cite This Article

APA Style
Wang, X., Chen, Z. (2016). Knockdown of CUL4B suppresses the proliferation and invasion in non-small cell lung cancer cells. Oncology Research, 24(4), 271-277. https://doi.org/10.3727/096504016X14666990347473
Vancouver Style
Wang X, Chen Z. Knockdown of CUL4B suppresses the proliferation and invasion in non-small cell lung cancer cells. Oncol Res. 2016;24(4):271-277 https://doi.org/10.3727/096504016X14666990347473
IEEE Style
X. Wang and Z. Chen, "Knockdown of CUL4B Suppresses the Proliferation and Invasion in Non-Small Cell Lung Cancer Cells," Oncol. Res., vol. 24, no. 4, pp. 271-277. 2016. https://doi.org/10.3727/096504016X14666990347473



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