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Interaction of EGFR to ?-catenin leads to ?-catenin phosphorylation and enhances EGFR signaling.


ABSTRACT: Expression of ?-catenin reportedly increases during late stage prostate cancer. Furthermore, it has been demonstrated that expression of EGFR is enhanced in hormone refractory prostate cancer. In this study, we investigated the possible correlation between EGFR and ?-catenin in prostate cancer cells. We found that EGFR interacted with ?-catenin and the interaction decreased in the presence of EGF. We also demonstrated that, on one hand, EGFR phosphorylated ?-catenin in a Src independent manner in the presence of EGF and on the other hand, ?-catenin enhanced protein stability of EGFR and strengthened the EGFR/Erk1/2 signaling pathway. Our findings added a new perspective to the interaction of EGFR to the E-cadherin complex. They also provided novel insights to the roles of ?-catenin in prostate cancer cells.

SUBMITTER: He Y 

PROVIDER: S-EPMC4756308 | biostudies-literature | 2016 Feb

REPOSITORIES: biostudies-literature

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Interaction of EGFR to δ-catenin leads to δ-catenin phosphorylation and enhances EGFR signaling.

He Yongfeng Y   Ryu Taeyong T   Shrestha Nensi N   Yuan Tingting T   Kim Hangun H   Shrestha Hridaya H   Cho Young-Chang YC   Seo Young-Woo YW   Song Woo Keun WK   Kim Kwonseop K  

Scientific reports 20160217


Expression of δ-catenin reportedly increases during late stage prostate cancer. Furthermore, it has been demonstrated that expression of EGFR is enhanced in hormone refractory prostate cancer. In this study, we investigated the possible correlation between EGFR and δ-catenin in prostate cancer cells. We found that EGFR interacted with δ-catenin and the interaction decreased in the presence of EGF. We also demonstrated that, on one hand, EGFR phosphorylated δ-catenin in a Src independent manner i  ...[more]

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