Cargando…
Autophagy promotes malignant migration and invasion via miR-224-5p/BCL2 in pancreatic mucinous cystadenocarcinoma MCC1 cells
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...
Autores principales: | , , , , , , , , , |
---|---|
Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
D.A. Spandidos
2020
|
Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7530886/ https://www.ncbi.nlm.nih.gov/pubmed/33029204 http://dx.doi.org/10.3892/ol.2020.12139 |
_version_ | 1783589655670685696 |
---|---|
author | Guo, Chengtao Peng, Xiaobo Song, Lele Ying, Mingzhen Wu, Yanjun Chang, Renxu Li, Jie Feng, Dan Zhan, Lixing Zhan, Xianbao |
author_facet | Guo, Chengtao Peng, Xiaobo Song, Lele Ying, Mingzhen Wu, Yanjun Chang, Renxu Li, Jie Feng, Dan Zhan, Lixing Zhan, Xianbao |
author_sort | Guo, Chengtao |
collection | PubMed |
description | 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. |
format | Online Article Text |
id | pubmed-7530886 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2020 |
publisher | D.A. Spandidos |
record_format | MEDLINE/PubMed |
spelling | pubmed-75308862020-10-06 Autophagy promotes malignant migration and invasion via miR-224-5p/BCL2 in pancreatic mucinous cystadenocarcinoma MCC1 cells Guo, Chengtao Peng, Xiaobo Song, Lele Ying, Mingzhen Wu, Yanjun Chang, Renxu Li, Jie Feng, Dan Zhan, Lixing Zhan, Xianbao Oncol Lett Articles 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. D.A. Spandidos 2020-12 2020-09-22 /pmc/articles/PMC7530886/ /pubmed/33029204 http://dx.doi.org/10.3892/ol.2020.12139 Text en Copyright: © Guo et al. This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License (https://creativecommons.org/licenses/by-nc-nd/4.0/) , which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made. |
spellingShingle | Articles Guo, Chengtao Peng, Xiaobo Song, Lele Ying, Mingzhen Wu, Yanjun Chang, Renxu Li, Jie Feng, Dan Zhan, Lixing Zhan, Xianbao Autophagy promotes malignant migration and invasion via miR-224-5p/BCL2 in pancreatic mucinous cystadenocarcinoma MCC1 cells |
title | Autophagy promotes malignant migration and invasion via miR-224-5p/BCL2 in pancreatic mucinous cystadenocarcinoma MCC1 cells |
title_full | Autophagy promotes malignant migration and invasion via miR-224-5p/BCL2 in pancreatic mucinous cystadenocarcinoma MCC1 cells |
title_fullStr | Autophagy promotes malignant migration and invasion via miR-224-5p/BCL2 in pancreatic mucinous cystadenocarcinoma MCC1 cells |
title_full_unstemmed | Autophagy promotes malignant migration and invasion via miR-224-5p/BCL2 in pancreatic mucinous cystadenocarcinoma MCC1 cells |
title_short | Autophagy promotes malignant migration and invasion via miR-224-5p/BCL2 in pancreatic mucinous cystadenocarcinoma MCC1 cells |
title_sort | autophagy promotes malignant migration and invasion via mir-224-5p/bcl2 in pancreatic mucinous cystadenocarcinoma mcc1 cells |
topic | Articles |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7530886/ https://www.ncbi.nlm.nih.gov/pubmed/33029204 http://dx.doi.org/10.3892/ol.2020.12139 |
work_keys_str_mv | AT guochengtao autophagypromotesmalignantmigrationandinvasionviamir2245pbcl2inpancreaticmucinouscystadenocarcinomamcc1cells AT pengxiaobo autophagypromotesmalignantmigrationandinvasionviamir2245pbcl2inpancreaticmucinouscystadenocarcinomamcc1cells AT songlele autophagypromotesmalignantmigrationandinvasionviamir2245pbcl2inpancreaticmucinouscystadenocarcinomamcc1cells AT yingmingzhen autophagypromotesmalignantmigrationandinvasionviamir2245pbcl2inpancreaticmucinouscystadenocarcinomamcc1cells AT wuyanjun autophagypromotesmalignantmigrationandinvasionviamir2245pbcl2inpancreaticmucinouscystadenocarcinomamcc1cells AT changrenxu autophagypromotesmalignantmigrationandinvasionviamir2245pbcl2inpancreaticmucinouscystadenocarcinomamcc1cells AT lijie autophagypromotesmalignantmigrationandinvasionviamir2245pbcl2inpancreaticmucinouscystadenocarcinomamcc1cells AT fengdan autophagypromotesmalignantmigrationandinvasionviamir2245pbcl2inpancreaticmucinouscystadenocarcinomamcc1cells AT zhanlixing autophagypromotesmalignantmigrationandinvasionviamir2245pbcl2inpancreaticmucinouscystadenocarcinomamcc1cells AT zhanxianbao autophagypromotesmalignantmigrationandinvasionviamir2245pbcl2inpancreaticmucinouscystadenocarcinomamcc1cells |