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Amino Acids. 2011 Oct;41(4):901-8. doi: 10.1007/s00726-010-0789-7. Epub 2010 Nov 3.

Taurine prevents fat deposition and ameliorates plasma lipid profile in monosodium glutamate-obese rats.

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Centro de Ciências Biológicas e da Saúde, Universidade Estadual do Oeste do Paraná (UNIOESTE), Cascavel, PR, Brazil.


The aim of the present study was to evaluate the preventive effects of taurine (TAU) supplementation upon monosodium glutamate (MSG)-induced obesity. Rats treated during the first 5 days of life with MSG or saline were distributed into the following groups: control (CTL), CTL-treated with TAU (CTAU), MSG and MSG-supplemented with TAU (MTAU). CTAU and MTAU received 2.5% of TAU in their drinking water from 21 to 90 days of life. At the end of treatment, MSG and MTAU rats were hyperinsulinemic, glucose intolerant and insulin resistant, as judged by the HOMA index. MSG and MTAU rat islets secreted more insulin at 16.7 mM glucose compared to CTL. MSG rats also showed higher triglycerides (TG) and non-esterified fatty acids (NEFA) plasma levels, Lee Index, retroperitoneal and periepidydimal fat pads, compared with CTL, whereas plasma lipid concentrations and fat depots were lower in MTAU, compared with MSG rats. In addition, MSG rats had a higher liver TG content compared with CTL. TAU decreased liver TG content in both supplemented groups, but fat content only in MTAU rats. TAU supplementation did not change glucose homeostasis, insulin secretion and action, but reduced plasma and liver lipid levels in MSG rats.

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