Antimetastatic activity of polyphenol-rich extract of Ecklonia cava through the inhibition of the Akt pathway in A549 human lung cancer cells.

An ethyl acetate extract (ECE) of a brown alga, Ecklonia cava, was examined for its anti-metastatic effect, using A549 human lung carcinoma cells. ECE treatment significantly suppressed the migration and invasion of A549 cells in a concentration-dependent manner. It also strongly down-regulated the matrix metalloproteinase (MMP)-2 activity of the cancer… (More)