Journal
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
Volume 59, Issue 21, Pages 11853-11861Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jf202426k
Keywords
magicin; MED28; resveratrol; epidermal growth factor receptor; MDA-MB-231; matrix metalloproteinase
Funding
- National Science Council [NSC98 2320-B-309-002 MY3]
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Resveratrol and pterostilbene exhibit diverse biological activities MED28 a subunit of the mammalian Mediator complex for transcription, was also identified as magicin, an actin cytoskeleton Grb2-associated protein, and as endothelial-derived gene (EG-1) Several tumors exhibit aberrant MED28 expression, whereas the underlying mechanism is unclear Triple-negative,breast cancers; often, expressing epidermal growth factor (EGF) receptor (EGER), are associated with metastasis and poor survival The objective of this study is to compare the effect of resveratrol and pterostilbene and to investigate the role of MED28 in EGFR-overexpressing MDA-MB-231 breast cancer cells Pretreatment of resveratrol, but, not pterostilbene, suppressed EGF-mediated migration and expression of MED28 and matrix metalloproteinase (MMP)-90 in MDA-MB-231 cells Moreover, overexpression of MED28 increased migration, and the addition of EGF further enhanced migration Our data indicate that resveratrol modulates the effect of MED28 on cellular migration, presumably through the EGFR/phosphatidylinositol 3-kinase (PI3K) signaling pathway, in breast cancer cells
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