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Anticancer Drugs. 2014 Aug;25(7):778-89. doi: 10.1097/CAD.0000000000000103.

Oroxylin A inhibits hypoxia-induced invasion and migration of MCF-7 cells by suppressing the Notch pathway.

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  • 1aState Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Carcinogenesis and Intervention bDepartment of Medicinal Chemistry, China Pharmaceutical University, Nanjing, People's Republic of China.


Tumor invasion and migration obstructs the treatment and prognosis of cancer. In this research, we investigated the effect of oroxylin A, a natural compound extracted from Scutellaria radix, the root of Scutellaria baicalensis, on inhibition of the invasion and migration of three different tumor cell lines: MCF-7, DU145, and HepG2. The results suggested that oroxylin A could inhibit hypoxia-induced migration and invasion of the three cell lines mentioned above. To study the detailed mechanisms, studies were carried out on MCF-7 cells and it was found that oroxylin A could regulate the expression of related markers in MCF-7 cells including E-cadherin, N-cadherin, and Vimentin. It was also found that oroxylin A inhibited the hypoxia-induced invasion and migration of MCF-7 cells by suppressing the Notch pathway. Oroxylin A inhibited N1ICD translocating to the nucleus and binding to epithelial-mesenchymal transition-related transcription factor Snail, thus suppressing the invasion and migration of MCF-7 cells. Therefore, oroxylin A is expected to be a promising candidate for antimetastasis treatment through suppression of the hypoxia-induced Notch pathway.

[PubMed - indexed for MEDLINE]
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