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Krüppel-Like Factor 4 Enhances Sensitivity of Cisplatin to Lung Cancer Cells and Inhibits Regulating Epithelial-to-Mesenchymal Transition

Shenggang Liu*, Hongzhong Yang, Ying Chen, Baimei He§, Qiong Chen§

* Department of Respiratory Medicine, Xiangya Hospital, Central South University, Changsha, Hunan, China
† Department of Respiratory Medicine, Changsha Central Hospital, Hunan, China
‡ Department of Internal Medicine, Hunan People’s Hospital, Changsha, Hunan, China
§ Department of Geriatric and Respiratory Medicine, Xiangya Hospital, Central South University, Changsha, Hunan, China

Oncology Research 2016, 24(2), 81-87. https://doi.org/10.3727/096504016X14597766487717

Abstract

In order to improve therapeutic efficacy, it is a current emergency to better know the mechanisms underlying cisplatin resistance in lung cancer cells. In this study, we aim to investigate the role of Krüppel-like factor 4 (KLF4) in cisplatin-resistant lung cancer cells. We developed cisplatin-resistant lung cancer cell line A549/ DDP, and then a battery of experiments was used to analyze the effects of KLF4 in cisplatin resistance of lung cancer. We found that KLF4 was significantly downregulated in cisplatin-resistant A549 cells and forced KLF4 expression inhibited cell growth and induced apoptosis. Further, we found that overexpression of KLF4 was able to inhibit cell migration and invasion, to inhibit the expression of Slug, Twist, and vimentin, and to increase the expression of E-cadherin and subsequent inhibition of the EMT process. Thus, overexpression of KLF4 may be a potential strategy for lung cancer treatment, especially for cisplatin-resistant cases.

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Cite This Article

APA Style
Liu, S., Yang, H., Chen, Y., He, B., Chen, Q. (2016). Krüppel-like factor 4 enhances sensitivity of cisplatin to lung cancer cells and inhibits regulating epithelial-to-mesenchymal transition. Oncology Research, 24(2), 81-87. https://doi.org/10.3727/096504016X14597766487717
Vancouver Style
Liu S, Yang H, Chen Y, He B, Chen Q. Krüppel-like factor 4 enhances sensitivity of cisplatin to lung cancer cells and inhibits regulating epithelial-to-mesenchymal transition. Oncol Res. 2016;24(2):81-87 https://doi.org/10.3727/096504016X14597766487717
IEEE Style
S. Liu, H. Yang, Y. Chen, B. He, and Q. Chen "Krüppel-Like Factor 4 Enhances Sensitivity of Cisplatin to Lung Cancer Cells and Inhibits Regulating Epithelial-to-Mesenchymal Transition," Oncol. Res., vol. 24, no. 2, pp. 81-87. 2016. https://doi.org/10.3727/096504016X14597766487717



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