Open Access

Autophagy promotes malignant migration and invasion via miR‑224‑5p/BCL2 in pancreatic mucinous cystadenocarcinoma MCC1 cells

  • Authors:
    • Chengtao Guo
    • Xiaobo Peng
    • Lele Song
    • Mingzhen Ying
    • Yanjun Wu
    • Renxu Chang
    • Jie Li
    • Dan Feng
    • Lixing Zhan
    • Xianbao Zhan
  • View Affiliations

  • Published online on: September 22, 2020     https://doi.org/10.3892/ol.2020.12139
  • Article Number: 276
  • Copyright: © Guo et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

Metrics: Total Views: 0 (Spandidos Publications: | PMC Statistics: )
Total PDF Downloads: 0 (Spandidos Publications: | PMC Statistics: )


Abstract

The prognosis of invasive pancreatic mucinous cystadenocarcinoma (MCC) is poor, and the molecular mechanism underlying its development remains unclear. The present study aimed to explore the potential role of autophagy in pancreatic MCC. The results demonstrated an increase in autophagy signaling in pancreatic MCC tissues and the MCC1 cell line compared with adjacent tissues and normal human pancreatic ductal epithelium (HPDE) cells. In addition, abnormal autophagy activation facilitated the migration and invasion of MCC1 cells. MicroRNA (miR)‑224‑5p expression levels were significantly higher in MCC1 cells compared with those in HPDE cells. Treatment with rapamycin further demonstrated that high levels of autophagy elevated miR‑224‑5p expression in MCC1 cells in a time‑dependent manner. BCL2 was identified as a downstream target gene of miR‑224‑5p, which binds to the 3'‑untranslated region of BCL2. In addition, the results of the present study demonstrated that BCL2 knockdown reversed the inhibition of autophagy mediated by the miR‑224‑5p inhibitor. To the best of our knowledge, this is the first study to evaluate the role of autophagy in pancreatic MCC. Thus, these results suggested that autophagy may be hyperactivated in pancreatic MCC. In addition, the present study identified a positive feedback loop between autophagy signaling and miR‑224‑5p, which may promote the aggressive migration and invasion of MCC1. These results may provide a new insight into the relationship between autophagy and tumor metastasis in pancreatic MCC.
View Figures
View References

Related Articles

Journal Cover

December-2020
Volume 20 Issue 6

Print ISSN: 1792-1074
Online ISSN:1792-1082

Sign up for eToc alerts

Recommend to Library

Copy and paste a formatted citation
x
Spandidos Publications style
Guo C, Peng X, Song L, Ying M, Wu Y, Chang R, Li J, Feng D, Zhan L, Zhan X, Zhan X, et al: Autophagy promotes malignant migration and invasion via miR‑224‑5p/BCL2 in pancreatic mucinous cystadenocarcinoma MCC1 cells. Oncol Lett 20: 276, 2020
APA
Guo, C., Peng, X., Song, L., Ying, M., Wu, Y., Chang, R. ... Zhan, X. (2020). Autophagy promotes malignant migration and invasion via miR‑224‑5p/BCL2 in pancreatic mucinous cystadenocarcinoma MCC1 cells. Oncology Letters, 20, 276. https://doi.org/10.3892/ol.2020.12139
MLA
Guo, C., Peng, X., Song, L., Ying, M., Wu, Y., Chang, R., Li, J., Feng, D., Zhan, L., Zhan, X."Autophagy promotes malignant migration and invasion via miR‑224‑5p/BCL2 in pancreatic mucinous cystadenocarcinoma MCC1 cells". Oncology Letters 20.6 (2020): 276.
Chicago
Guo, C., Peng, X., Song, L., Ying, M., Wu, Y., Chang, R., Li, J., Feng, D., Zhan, L., Zhan, X."Autophagy promotes malignant migration and invasion via miR‑224‑5p/BCL2 in pancreatic mucinous cystadenocarcinoma MCC1 cells". Oncology Letters 20, no. 6 (2020): 276. https://doi.org/10.3892/ol.2020.12139