Mechanisms Underlying Cancer Growth and Apoptosis by DEK Overexpression in Colorectal Cancer

Abstract

Our previous study indicated that DEK protein was overexpressed in colorectal carcinoma (CRC) compared with the normal colorectal mucosa. DEK was also significantly correlated with the prognostic characteristics of patients with CRC, demonstrating that DEK played an important role in CRC progression. In this work, we evaluate the effects of DEK on biological behaviors in CRC and explore the related molecular mechanisms. The results showed that DEK was overexpressed in human CRC tissues, and was correlated with the Ki-67 index and the apoptotic index. DEK depletion by RNAi in SW-620 and HCT116 cells significantly decreased cell proliferation, but increased cell apoptosis. Upregulation of DEK was involved in the p53/MDM, Bcl-2 family, and caspase pathways. Our study demonstrates that DEK promotes the growth of CRC, and could be a therapeutic target in CRC.

DOI: 10.1371/journal.pone.0111260

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@inproceedings{Lin2014MechanismsUC, title={Mechanisms Underlying Cancer Growth and Apoptosis by DEK Overexpression in Colorectal Cancer}, author={Lijuan Lin and Junjie Piao and Yibing Ma and Tiefeng Jin and Cheng-shi Quan and Jienan Kong and Yulin Li and Zhenhua Lin and Natasha Kyprianou}, booktitle={PloS one}, year={2014} }