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Abstract Title:

Polyphenolics from peach (Prunus persica var. Rich Lady) inhibit tumor growth and metastasis of MDA-MB-435 breast cancer cells in vivo.

Abstract Source:

J Nutr Biochem. 2014 Mar 19. Epub 2014 Mar 19. PMID: 24745759

Abstract Author(s):

Giuliana Noratto, Weston Porter, David Byrne, Luis Cisneros-Zevallos

Article Affiliation:

Giuliana Noratto

Abstract:

The tumor growth inhibition and anti-metastatic effects of peach polyphenolics were investigated in vivo using a xenograft model and MDA-MB-435 breast cancer cells. Results showed that tumor growth and lung metastasis were inhibited in vivo by peach polyphenolics in a dose range of 0.8-1.6 mg/day, and these effects were mediated by inhibition of metalloproteinases gene expression. Modulation of metalloproteinase-2, metalloproteinase-3 and metalloproteinase-13 gene expression may be some of the molecular targets for anti-metastatic activity of peach polyphenolics. Therefore, these compounds may constitute a novel chemopreventive tool to reduce the risk of metastasis in the combination therapy when primary cancer is diagnosed. Conversion to equivalent human intake for future clinical studies using the body surface area normalization method gave a dose of ~370.6 mg/day for a human adult of 60 kg, which can be supplied by consuming two to three peach fruit per day or alternatively using a dietary supplement peach polyphenol extract powder.

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Sayer Ji
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