[No authors listed]
OBJECTIVE:To study the difference of socs-3, PPARgamma and ACO mRNA expression in obese rats with leptin resistance induced by high-fat diet. METHODS:6 Wistar male rats were fed with basic diet as control, and 24 rats were fed with high-fat diet as high-fat diet group. At the end of the 8th week, 8 obese rats were selected by body weight from high-fat diet group as obese group. Serum leptin, socs-3, PPARgamma and ACO mRNA were detected. RESULTS:In compare with control group, body weight, serum leptin, socs-3 and PPARgamma mRNA expressions of epididymal adipose tissues were significantly increased in obese group, while ACO mRNA were markedly decreased. CONCLUSION:Obese rats induced by high-fat diet showed the suppression of leptin signaling transduction pathway, decreases in fatty acid oxidation and increases in fat synthesis.
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