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Title 

EGR1-dependent PTEN upregulation by 2-benzoyloxycinnamaldehyde attenuates cell invasion and EMT in colon cancer

 

2-benzoyloxycinnamaldehyde의 암전이 억제 기전 규명

Authors 

J KimH S KangYu Jin LeeH J LeeJi Eun YunJung Hyu ShinChang Woo LeeByoung-Mog KwonS H Hong

Publisher 

Elsevier

Issue Date 

2014

Citation 

Cancer Letters, vol. 349, no. 1, pp. 35-44

Keywords 

2'-BenzoyloxycinnamaldehydeColon cancerEarly growth response protein-1 (EGR1)Epithelial-mesenchymal transition (EMT)MetastasisPTEN

Abstract 

There has been little evidence to support EGR1 and PTEN function on the EMT of cancer cells. We tried to evaluate how these genes affect cancer cell invasion and EMT through investigating the molecular mechanism(s) of 2'-benzoyloxycinnamaldehyde (BCA). Matrigel invasion and wound healing assay, and in vivo mice model were used to evaluate the effect of BCA on colon cancer cell migration. The molecular mechanism(s) of BCA were evaluated by knock-down or overexpression of EGR1 and PTEN. BCA at 50. nM increased E-cadherin and EGR1 expression without cytotoxicity. Cell migration was inhibited significantly by BCA both in vitro and in vivo. Moreover, BCA inhibits Snail and Vimentin expression, as well as β-catenin nuclear accumulation. Suppression of EGR1 by siRNA attenuated the inhibition of matrigel invasion by BCA, indicating that EGR1 is responsible for BCA effect. PTEN was upregulated by BCA treatment or EGR1 overexpression. In addition, shPTEN transfection stimulated EMT and cell invasion in vitro. Our data suggest that BCA leads to a remarkable upregulation of EGR1 expression, and that EMT and invasion is decreased via EGR1-dependent PTEN activation. These data showed a critical role of EGR1-PTEN signaling pathway in the EMT of colon cancer, as well as metastasis.

ISSN 

0304-3835

Link 

http://dx.doi.org/10.1016/j.canlet.2014.03.025

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-05-02


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