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Abstract Title:

Dietary supplementation with resveratrol reduces plaque pathology in a transgenic model of Alzheimer's disease.

Abstract Source:

Br J Pharmacol. 2010 Dec 30. Epub 2010 Dec 30. PMID: 19041676

Abstract Author(s):

Saravanan S Karuppagounder, John T Pinto, Hui Xu, Huan-Lian Chen, M Flint Beal, Gary E Gibson

Article Affiliation:

Department of Neurology and Neurosciences, Weill Medical College of Cornell University, Burke Medical Research Institute, 785 Mamaroneck Ave., White Plains, NY 10605, United States.

Abstract:

Resveratrol, a polyphenol found in red wine, peanuts, soy beans, and pomegranates, possesses a wide range of biological effects. Since resveratrol's properties seem ideal for treating neurodegenerative diseases, its ability to diminish amyloid plaques was tested. Mice were fed clinically feasible dosages of resveratrol for forty-five days. Neither resveratrol nor its conjugated metabolites were detectable in brain. Nevertheless, resveratrol diminished plaque formation in a region specific manner. The largest reductions in the percent area occupied by plaques were observed in medial cortex (-48%), striatum (-89%) and hypothalamus (-90%). The changes occurred without detectable activation of SIRT-1 or alterations in APP processing. However, brain glutathione declined 21% and brain cysteine increased 54%. The increased cysteine and decreased glutathione may be linked to the diminished plaque formation. This study supports the concept that onset of neurodegenerative disease may be delayed or mitigated with use of dietary chemo-preventive agents that protect against beta-amyloid plaque formation and oxidative stress.

Study Type : Transgenic Animal Study

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Sayer Ji
Founder of GreenMedInfo.com

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