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

Abstract Title:

(-) Epigallocatechin-3-gallate attenuates reserpine-induced orofacial dyskinesia and oxidative stress in rat striatum.

Abstract Source:

Pharmacol Biochem Behav. 2015 Apr ;131:71-6. Epub 2015 Feb 8. PMID: 25668129

Abstract Author(s):

Mao-Hsien Wang, Rui-Feng Lin, Hsiang-Chien Tseng, Hung-Sheng Soung, Kuo-Chi Chang, Cheng-Chia Tsai

Article Affiliation:

Mao-Hsien Wang

Abstract:

Reserpine-induced orofacial dyskinesia (OD) has been used for decades as an animal model for human tardive dyskinesia (TD) because both of them have pathophysiology strongly associated with striatal oxidative stress. Green tea catechins, especially (-) epigallocatechin-3-gallate (EGCG), have potent antioxidative effects and are able to protect against various oxidative injuries. In this study, we examined the potential protective effects of EGCG on reserpine-induced behavioral and neurochemical dysfunction in rats. Reserpine treatment (1mg/kgs.c. one injection every other day, three injections total) induced significant increases (p<0.001) in the frequency of vacuous chewing movement (VCM) and tongue protrusion (TP) as well as the duration of facial twitching (FT). EGCG treatment (100mg/kgi.p. for 11days, starting 7days before the reserpine injections) was able to prevent most of the reserpine-induced OD. Also, EGCG treatment was able to reduce the reserpine-induced lipid peroxidation (LPO) production, and enhances the antioxidation power in the striatum of reserpine-treated rats. The above results indicate that EGCG has a protective role against reserpine-induced OD, probably via its powerful antioxidative properties. Thus, EGCG may possible have a clinically relevant therapeutic effect in preventing, delaying or even treating TD.

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

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