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HSP27 Knockdown Increases Cytoplasmic p21 and Cisplatin Sensitivity in Ovarian Carcinoma Cells

Hao Lu1, Chaoyang Sun1, Ting Zhou, Bo Zhou, Ensong Guo, Wanying Shan, Meng Xia, Kezhen Li, Danhui Weng, Li Meng, Xiaoyan Xu, Junbo Hu, Ding Ma, Gang Chen

Cancer Biology Medical Centre, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China

Oncology Research 2015, 23(3), 119-128. https://doi.org/10.3727/096504015X14496932933656

Abstract

Drug resistance is the leading cause of chemotherapy failure in the treatment of ovarian cancer. So far, little is known about the mechanism of chemoresistance in ovarian cancer. In this study, we explored the mechanism that HSP27 was involved in cisplatin resistance of ovarian cancer both in vitro and clinically. HSP27 protein was found to be upregulated and expressed in cisplatin-resistant ovarian cancer cell line C13*, and HSP27 siRNA transfection reversed the chemoresistance of C13*. We found that HSP27 exerted its chemoresistant role by inhibiting p21 transferring from the nucleus to the plasma through the activation of phosphorylated-Akt pathway. These findings have implications for clinical trials aimed at a potential therapeutic target for ovarian tumors that are refractory to conventional treatment.

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APA Style
Lu, H., Sun, C., Zhou, T., Zhou, B., Guo, E. et al. (2015). HSP27 knockdown increases cytoplasmic p21 and cisplatin sensitivity in ovarian carcinoma cells. Oncology Research, 23(3), 119-128. https://doi.org/10.3727/096504015X14496932933656
Vancouver Style
Lu H, Sun C, Zhou T, Zhou B, Guo E, Shan W, et al. HSP27 knockdown increases cytoplasmic p21 and cisplatin sensitivity in ovarian carcinoma cells. Oncol Res. 2015;23(3):119-128 https://doi.org/10.3727/096504015X14496932933656
IEEE Style
H. Lu et al., "HSP27 Knockdown Increases Cytoplasmic p21 and Cisplatin Sensitivity in Ovarian Carcinoma Cells," Oncol. Res., vol. 23, no. 3, pp. 119-128. 2015. https://doi.org/10.3727/096504015X14496932933656



cc Copyright © 2015 The Author(s). Published by Tech Science Press.
This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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