{"title":"Influence of monosodium glutamate on circadian rhythms of lipid peroxidation products and antioxidants in rats.","authors":"Tamilarasan Manivasagam, Perumal Subramanian","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>Monosodium glutamate (MSG) was administrated subcutaneously for 60 days to Wistar rats and 24h rhythms of thiobarbituric acid reactive substances (TBARS) and antioxidants such as reduced glutathione, superoxide dismutase and catalase were studied. MSG treatment was found to advance TBARS and to delay the acrophases of GSH and catalase. Amplitude and mesor values of these rhythms were found to be altered during MSG treatment. As glutamate levels in brain were found to be significantly increased (in MSG), we hypothesize that increased glutamate levels in brain could alter these biochemical rhythms probaly by modulating the transmission in several areas/nuclei in brain.</p>","PeriodicalId":22527,"journal":{"name":"The Italian journal of biochemistry","volume":"53 1","pages":"23-7"},"PeriodicalIF":0.0000,"publicationDate":"2004-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"The Italian journal of biochemistry","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Monosodium glutamate (MSG) was administrated subcutaneously for 60 days to Wistar rats and 24h rhythms of thiobarbituric acid reactive substances (TBARS) and antioxidants such as reduced glutathione, superoxide dismutase and catalase were studied. MSG treatment was found to advance TBARS and to delay the acrophases of GSH and catalase. Amplitude and mesor values of these rhythms were found to be altered during MSG treatment. As glutamate levels in brain were found to be significantly increased (in MSG), we hypothesize that increased glutamate levels in brain could alter these biochemical rhythms probaly by modulating the transmission in several areas/nuclei in brain.
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