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Article Open Access

DRAM1 regulates the migration and invasion of hepatoblastoma cells via autophagy‑EMT pathway

  • Authors:
    • Chao Chen
    • Qing‑Yu Liang
    • Hui‑Kang Chen
    • Pin‑Fei Wu
    • Zhen‑Yu Feng
    • Xiao‑Ming Ma
    • Hao‑Rong Wu
    • Guo‑Qiang Zhou
  • View Affiliations / Copyright

    Affiliations: Department of General Surgery, Changshu Second People's Hospital, The Fifth Hospital Affiliated to Yangzhou University, Changshu, Jiangsu 215500, P.R. China, Department of General Surgery, The First Hospital of Zhang Jia Gang, Zhangjiagang, Jiangsu 215600, P.R. China, Department of General Surgery, The Second Hospital Affiliated to Suzhou University, Suzhou, Jiangsu 215004, P.R. China
    Copyright: © Chen et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 2427-2433
    |
    Published online on: June 8, 2018
       https://doi.org/10.3892/ol.2018.8937
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Abstract

DNA‑damage regulated autophagy modulator 1 (DRAM1) is known as a target of TP53‑mediated autophagy, and has been reported to promote the migration and invasion abilities of glioblastoma stem cells. However, the precise contribution of DRAM1 to cancer cell invasion and migration, and the underlying mechanisms remain unclear. In the present study, small interfering (si)RNA or short hairpin RNA mediated knockdown of DRAM1 was performed in hepatoblastoma cells and the migration and invasion abilities were detected in vitro and in vivo. To investigate the underlying mechanisms, western blotting and immunofluorescence were used to detect the expression of autophagy‑associated proteins and epithelial‑mesenchymal‑transition (EMT)‑associated markers. The results showed that DRAM1 knockdown by specific siRNA abrogated cell autophagy, as well as inhibited the migration and invasion of HepG2 cells in Transwell assays, which may be reversed by rapamycin treatment. In addition, DRAM1 knockdown increased the expression of E‑Cadherin while decreased the expression of vimentin in HepG2 cells, which was also be reversed by rapamycin treatment. Taken together, these results suggest that DRAM1 is involved in the regulation of the migration and invasion of HepG2 cells via autophagy‑EMT pathway.
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Copy and paste a formatted citation
Spandidos Publications style
Chen C, Liang QY, Chen HK, Wu PF, Feng ZY, Ma XM, Wu HR and Zhou GQ: DRAM1 regulates the migration and invasion of hepatoblastoma cells via autophagy‑EMT pathway. Oncol Lett 16: 2427-2433, 2018.
APA
Chen, C., Liang, Q., Chen, H., Wu, P., Feng, Z., Ma, X. ... Zhou, G. (2018). DRAM1 regulates the migration and invasion of hepatoblastoma cells via autophagy‑EMT pathway. Oncology Letters, 16, 2427-2433. https://doi.org/10.3892/ol.2018.8937
MLA
Chen, C., Liang, Q., Chen, H., Wu, P., Feng, Z., Ma, X., Wu, H., Zhou, G."DRAM1 regulates the migration and invasion of hepatoblastoma cells via autophagy‑EMT pathway". Oncology Letters 16.2 (2018): 2427-2433.
Chicago
Chen, C., Liang, Q., Chen, H., Wu, P., Feng, Z., Ma, X., Wu, H., Zhou, G."DRAM1 regulates the migration and invasion of hepatoblastoma cells via autophagy‑EMT pathway". Oncology Letters 16, no. 2 (2018): 2427-2433. https://doi.org/10.3892/ol.2018.8937
Copy and paste a formatted citation
x
Spandidos Publications style
Chen C, Liang QY, Chen HK, Wu PF, Feng ZY, Ma XM, Wu HR and Zhou GQ: DRAM1 regulates the migration and invasion of hepatoblastoma cells via autophagy‑EMT pathway. Oncol Lett 16: 2427-2433, 2018.
APA
Chen, C., Liang, Q., Chen, H., Wu, P., Feng, Z., Ma, X. ... Zhou, G. (2018). DRAM1 regulates the migration and invasion of hepatoblastoma cells via autophagy‑EMT pathway. Oncology Letters, 16, 2427-2433. https://doi.org/10.3892/ol.2018.8937
MLA
Chen, C., Liang, Q., Chen, H., Wu, P., Feng, Z., Ma, X., Wu, H., Zhou, G."DRAM1 regulates the migration and invasion of hepatoblastoma cells via autophagy‑EMT pathway". Oncology Letters 16.2 (2018): 2427-2433.
Chicago
Chen, C., Liang, Q., Chen, H., Wu, P., Feng, Z., Ma, X., Wu, H., Zhou, G."DRAM1 regulates the migration and invasion of hepatoblastoma cells via autophagy‑EMT pathway". Oncology Letters 16, no. 2 (2018): 2427-2433. https://doi.org/10.3892/ol.2018.8937
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