Restoration of miR-1228* expression suppresses epithelial-mesenchymal transition in gastric cancer.

Dysregulated miRNAs play critical roles during carcinogenesis and cancer progression. In the present study, the function of miR-1228* in regulating cancer progression was investigated in gastric cancer. Decreased expression of miR-1228* was observed in human gastric cancer tissues comparing to norma...

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Main Authors: Litao Jia, Jia Wu, Lu Zhang, Jiamin Chen, Dandan Zhong, Song Xu, Chuangao Xie, Jianting Cai
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2013-01-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC3595239?pdf=render
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author Litao Jia
Jia Wu
Lu Zhang
Jiamin Chen
Dandan Zhong
Song Xu
Chuangao Xie
Jianting Cai
author_facet Litao Jia
Jia Wu
Lu Zhang
Jiamin Chen
Dandan Zhong
Song Xu
Chuangao Xie
Jianting Cai
author_sort Litao Jia
collection DOAJ
description Dysregulated miRNAs play critical roles during carcinogenesis and cancer progression. In the present study, the function of miR-1228* in regulating cancer progression was investigated in gastric cancer. Decreased expression of miR-1228* was observed in human gastric cancer tissues comparing to normal tissues. Subsequently, the role of miR-1228* was evaluated in vivo using the tumor xenograft model. In this model, miR-1228* overexpression suppressed xenograft tumor formation. Furthermore, we demonstrated miR-1228* negatively regulated NF-κB activity in SGC-7901 gastric cancer cells and found that CK2A2 was a target of miR-1228*. Upregulation of miR-1228* decreased the expression of mesenchymal markers and increased the epithelial marker E-cadherin, suggesting its potential role in suppressing epithelial-mesenchymal transition. Collectively, these findings provide the first evidence that miR-1228* plays an important role in regulating gastric cancer growth and suggest that selective restoration of miR-1228* might be beneficial for gastric cancer therapy.
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spelling doaj.art-da10f987cbdd4ef4a9f388602731aa542022-12-21T18:59:50ZengPublic Library of Science (PLoS)PLoS ONE1932-62032013-01-0183e5863710.1371/journal.pone.0058637Restoration of miR-1228* expression suppresses epithelial-mesenchymal transition in gastric cancer.Litao JiaJia WuLu ZhangJiamin ChenDandan ZhongSong XuChuangao XieJianting CaiDysregulated miRNAs play critical roles during carcinogenesis and cancer progression. In the present study, the function of miR-1228* in regulating cancer progression was investigated in gastric cancer. Decreased expression of miR-1228* was observed in human gastric cancer tissues comparing to normal tissues. Subsequently, the role of miR-1228* was evaluated in vivo using the tumor xenograft model. In this model, miR-1228* overexpression suppressed xenograft tumor formation. Furthermore, we demonstrated miR-1228* negatively regulated NF-κB activity in SGC-7901 gastric cancer cells and found that CK2A2 was a target of miR-1228*. Upregulation of miR-1228* decreased the expression of mesenchymal markers and increased the epithelial marker E-cadherin, suggesting its potential role in suppressing epithelial-mesenchymal transition. Collectively, these findings provide the first evidence that miR-1228* plays an important role in regulating gastric cancer growth and suggest that selective restoration of miR-1228* might be beneficial for gastric cancer therapy.http://europepmc.org/articles/PMC3595239?pdf=render
spellingShingle Litao Jia
Jia Wu
Lu Zhang
Jiamin Chen
Dandan Zhong
Song Xu
Chuangao Xie
Jianting Cai
Restoration of miR-1228* expression suppresses epithelial-mesenchymal transition in gastric cancer.
PLoS ONE
title Restoration of miR-1228* expression suppresses epithelial-mesenchymal transition in gastric cancer.
title_full Restoration of miR-1228* expression suppresses epithelial-mesenchymal transition in gastric cancer.
title_fullStr Restoration of miR-1228* expression suppresses epithelial-mesenchymal transition in gastric cancer.
title_full_unstemmed Restoration of miR-1228* expression suppresses epithelial-mesenchymal transition in gastric cancer.
title_short Restoration of miR-1228* expression suppresses epithelial-mesenchymal transition in gastric cancer.
title_sort restoration of mir 1228 expression suppresses epithelial mesenchymal transition in gastric cancer
url http://europepmc.org/articles/PMC3595239?pdf=render
work_keys_str_mv AT litaojia restorationofmir1228expressionsuppressesepithelialmesenchymaltransitioningastriccancer
AT jiawu restorationofmir1228expressionsuppressesepithelialmesenchymaltransitioningastriccancer
AT luzhang restorationofmir1228expressionsuppressesepithelialmesenchymaltransitioningastriccancer
AT jiaminchen restorationofmir1228expressionsuppressesepithelialmesenchymaltransitioningastriccancer
AT dandanzhong restorationofmir1228expressionsuppressesepithelialmesenchymaltransitioningastriccancer
AT songxu restorationofmir1228expressionsuppressesepithelialmesenchymaltransitioningastriccancer
AT chuangaoxie restorationofmir1228expressionsuppressesepithelialmesenchymaltransitioningastriccancer
AT jiantingcai restorationofmir1228expressionsuppressesepithelialmesenchymaltransitioningastriccancer