Abstract
Metastasis is the main cause of death in lung cancer. Targeting the process of metastasis is a strategy to lung cancer treatment. Trillium tschonoskii Maxim., a traditional Chinese medicine, has been used for treatment of many diseases, including cancer. This study aims to determine the anti-metastatic effect of paris saponin VII (PS VII) which was extracted from T. tschonoskii Maxim. by using human lung cancer cell line A549 cells. Our results showed that PS VII could significantly suppress the viability as well as cell migration and invasion abilities of A549 cells in a concentration-dependent manner. PS VII reduced the activity of matrix metalloproteinase-2 (MMP-2) and MMP-9 by elevating the expression of TIMP1/2. These data indicated that PS VII could reduce the metastatic capability of A549 cells, probably through up-regulating the expression of TIMP1/2. These findings demonstrated a new therapeutic potential for PS VII in anti-metastatic therapy of lung cancer. Copyright © 2015 John Wiley & Sons, Ltd.
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