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Radiation driven epithelial-mesenchymal transition is mediated by Notch signaling in breast cancer.


ABSTRACT: Epithelial to mesenchymal transition (EMT) is developmental process associated with cancer metastasis. Here, we found that breast carcinoma cells adopt epithelial-to-mesenchymal transition (EMT) in response to fractionated-radiation. Importantly, we show that Notch signaling is highly activated in fractionally-irradiated tumors as compared to non-irradiated tumors that are accompanied by an EMT. Moreover, we uncovered the mechanism of Notch-driven EMT, in which Notch enhanced EMT through IL-6/JAK/STAT3 signaling axis in mammary tumor cells. Collectively, we present converging evidence from our studies that Notch2 is a critical mediator of radiation-induced EMT and responsible for induced malignant tumor growth.

SUBMITTER: Kim RK 

PROVIDER: S-EPMC5288197 | biostudies-literature | 2016 Aug

REPOSITORIES: biostudies-literature

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Radiation driven epithelial-mesenchymal transition is mediated by Notch signaling in breast cancer.

Kim Rae-Kwon RK   Kaushik Neha N   Suh Yongjoon Y   Yoo Ki-Chun KC   Cui Yan-Hong YH   Kim Min-Jung MJ   Lee Hae-June HJ   Kim In-Gyu IG   Lee Su-Jae SJ  

Oncotarget 20160801 33


Epithelial to mesenchymal transition (EMT) is developmental process associated with cancer metastasis. Here, we found that breast carcinoma cells adopt epithelial-to-mesenchymal transition (EMT) in response to fractionated-radiation. Importantly, we show that Notch signaling is highly activated in fractionally-irradiated tumors as compared to non-irradiated tumors that are accompanied by an EMT. Moreover, we uncovered the mechanism of Notch-driven EMT, in which Notch enhanced EMT through IL-6/JA  ...[more]

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