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Depression: 21st Century Solutions + The Dark Side of Wheat

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Abstract Title:

Protective effect of carnosic acid against acrylamide-induced toxicity in RPE cells.

Abstract Source:

Food Chem Toxicol. 2017 Oct ;108(Pt B):543-553. Epub 2017 Feb 1. PMID: 28159594

Abstract Author(s):

Aishah Albalawi, Reem Hasaballah A Alhasani, Lincoln Biswas, James Reilly, Xinhua Shu

Article Affiliation:

Aishah Albalawi

Abstract:

Acrylamide is a substance that can be neurotoxic in humans and experimental animals. It is formed at different rates in starchy foods cooked at temperatures above 120 °C as a result of interaction between monosaccharides and the amino acid asparagine. Carnosic acid accounts for over 90% of the antioxidant properties of rosemary extract and is a powerful inhibitor of lipid peroxidation in microsomal and liposomal systems. Carnosic acid has been shown to protectagainst oxidative and inflammatory effects. In order to investigate the protective properties of carnosic acid against acrylamide-induced toxicity in human retinal pigment epithelium (RPE) cells, ARPE-19 cells were pre-treated with 10 μM carnosic acid for 24 h followed by treatment with acrylamide (0.7 or 1 mM) for 24 h. ARPE-19 cells pre-treated with 10 μM carnosic acid showed significantly increased cell viability and decreased cell death rate when compared to ARPE-19 cells treated with acrylamide alone. Activities of SOD and catalase and the level of GSH and expression of NRF2 and a number of anti-oxidant genes were significantly decreased in ARPE-19 cells, while there were significant increases in ROS and MDA; pre-treatment with carnosic acid significantly counteracted these changes. Our results suggest that carnosic acid protected RPE cells from acrylamide-induced toxicity.

Study Type : In Vitro Study

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Sayer Ji
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Depression: 21st Century Solutions + The Dark Side of Wheat

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