Crotonis Fructus Extract Inhibits 12-O-Tetradecanoylphorbol-13-Acetate-Induced Expression of Matrix Metalloproteinase-9 via the Activator Protein-1 Pathway in MCF-7 Cells

Metastatic cancers spread from the primary site of origin to other parts of the body. Matrix metalloproteinase-9 (MMP-9) is essential in metastatic cancers owing to its major role in cancer cell invasion. (CF), the mature fruits of L., have been used for the treatment of gastrointestinal disturbance...

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Published inJournal of breast cancer Vol. 20; no. 3; pp. 234 - 239
Main Authors Song, Hyun-Kyung, Lee, Guem-San, Park, Sueng Hyuk, Noh, Eun-Mi, Kim, Jeong-Mi, Ryu, Do-Gon, Jung, Sung Hoo, Youn, Hyun Jo, Lee, Young-Rae, Kwon, Kang-Beom
Format Journal Article
LanguageEnglish
Published Korea (South) Korean Breast Cancer Society 01.09.2017
한국유방암학회
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ISSN1738-6756
2092-9900
DOI10.4048/jbc.2017.20.3.234

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Summary:Metastatic cancers spread from the primary site of origin to other parts of the body. Matrix metalloproteinase-9 (MMP-9) is essential in metastatic cancers owing to its major role in cancer cell invasion. (CF), the mature fruits of L., have been used for the treatment of gastrointestinal disturbance in Asia. In this study, the effect of the ethanol extract of CF (CFE) on MMP-9 activity and the invasion of 12-O-tetradecanoylphorbol-13-acetate (TPA)-treated MCF-7 cells was examined. The cell viability was evaluated using the 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2H-tetrazolium bromide (MTT) assay. The expression of MMP-9 was examined by Western blotting, zymography, and real-time polymerase chain reaction. An electrophoretic mobility gel shift assay was performed to detect activator protein-1 (AP-1) DNA binding activity and cell invasiveness was measured by an Matrigel invasion assay. CFE significantly suppressed MMP-9 expression and activation in a dose-dependent manner. Furthermore, CFE attenuated the TPA-induced activation of AP-1. The results indicated that the inhibitory effects of CFE against TPA-induced MMP-9 expression and MCF-7 cell invasion were dependent on the protein kinase C δ/p38/c-Jun N-terminal kinase/AP-1 pathway. Therefore, CFE could restrict breast cancer invasiveness owing to its ability to inhibit MMP-9 activity.
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These authors contributed equally to this work.
https://ejbc.kr/search.php?where=aview&id=10.4048/jbc.2017.20.3.234&code=0096JBC&vmode=FULL
ISSN:1738-6756
2092-9900
DOI:10.4048/jbc.2017.20.3.234