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Article Publish Status: FREE
Abstract Title:

Zeaxanthin-Rich Extract from SuperfoodSelectively Modulates the Cellular Adhesion and MAPK Signaling in Melanoma versus Normal Skin Cells In Vitro.

Abstract Source:

Molecules. 2021 Jan 11 ;26(2). Epub 2021 Jan 11. PMID: 33440679

Abstract Author(s):

Diana Cenariu, Eva Fischer-Fodor, Adrian Bogdan Țigu, Andrea Bunea, Piroska Virág, Maria Perde-Schrepler, Vlad-Alexandru Toma, Andrei Mocan, Ioana Berindan-Neagoe, Adela Pintea, Gianina Crișan, Mihai Cenariu, Alma Maniu

Article Affiliation:

Diana Cenariu

Abstract:

The concern for implementing bioactive nutraceuticals in antioxidant-related therapies is of great importance for skin homeostasis in benign or malignant diseases. In order to elucidate some novel insights of(Goji berry) activity on skin cells, the present study focused on its active compound zeaxanthin. By targeting the stemness markers CD44 and CD105, with deep implications in skin oxidative stress mechanisms, we revealed, for the first time, selectivity in zeaxanthin activity. When applied in vitro on BJ human fibroblast cell line versus the A375 malignant melanoma cells, despite the moderate cytotoxicity, the zeaxanthin-rich extractsandwere able to downregulate significantly the CD44 and CD105 membrane expression and extracellular secretion in A375, and to upregulate them in BJ cells. At mechanistic level, the present study is the first to demonstrate that the zeaxanthin-rich Goji extracts are able to influence selectively the mitogen-activated protein kinases (MAPK): ERK, JNK and p38 in normal BJ versus tumor-derived A375 skin cells. These results point out towards the applications of zeaxanthin fromas a cytoprotective agent in normal skin and raises questions about its use as an antitumor prodrug alone or in combination with standard therapy.

Study Type : In Vitro Study

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