Hyul-Tong-Ryung suppresses PMA-induced MMP-9 expression by inhibiting AP-1-mediated gene expression via ERK 1/2 signaling pathway in MCF-7 human breast cancer cells.

Abstract excerpt

Our previous study has demonstrated that the methanol extract of Hyul-Tong-Ryung (HM) specifically suppresses the phorbol 12-myristate 13-acetate (PMA)-induced matrix metalloproteinase-9 (MMP-9) production through the inhibition of MMP-9 mRNA expression in MCF-7 human breast carcinoma cells. However, the molecular mechanisms involved in transcriptional suppression of MMP-9 by HM in PMA-induced MCF-7 cells are not...

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