Article Publish Status: FREE
Abstract Title:

The Root Bark ofL. Suppressed the Migration of Human Non-Small-Cell Lung Cancer Cells through Inhibition of Epithelial⁻Mesenchymal Transition Mediated by STAT3 and Src.

Abstract Source:

Int J Mol Sci. 2019 May 7 ;20(9). Epub 2019 May 7. PMID: 31067694

Abstract Author(s):

Tae-Rin Min, Hyun-Ji Park, Moon Nyeo Park, Bonglee Kim, Shin-Hyung Park

Article Affiliation:

Tae-Rin Min


The root bark ofL. (MA) has been traditionally used for the treatment of various lung diseases in Korea. Although recent research has demonstrated its anticancer effects in several cancer cells, it is still unclear whether MA inhibits the migratory ability of lung cancer cells. The present study investigated the effects of MA on the migration of lung cancer cells and explored the underlying mechanism. Results from a transwell assay and wound-healing assay demonstrated that methylene chloride extracts of MA (MEMA) suppressed the migration and invasion of H1299, H460, and A549 human non-small-cell lung cancer (NSCLC) cells in a concentration-dependent manner. Results from Western blot analyses showed that MEMA reduced the phosphorylation of STAT3 and Src. In addition, MEMA downregulated the expression of epithelial-mesenchymal transition (EMT) marker proteins including Slug, Snail, Vimentin, and N-cadherin, while upregulating the expression of Occludin-a tight-junction protein. The regulation of EMT markers and the decrease of migration by MEMA treatment were reversed once phospho-mimetic STAT3 (Y705D) or Src (Y527F) was transfected into H1299 cells. In conclusions, MEMA inhibited the migratory activity of human NSCLC cells through blocking Src/STAT3-mediated EMT.

Study Type : In Vitro Study

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