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营养性肥胖大鼠TNF-α、leptin水平和胰岛素敏感指标的研究
引用本文:王艳,ZHAI Ling-ling,吴辉,姚兴家. 营养性肥胖大鼠TNF-α、leptin水平和胰岛素敏感指标的研究[J]. 中国误诊学杂志, 2008, 8(25): 6057-6058
作者姓名:王艳  ZHAI Ling-ling  吴辉  姚兴家
作者单位:1. 辽宁中医药大学职业技术学院卫生管理系,辽宁,沈阳,110101
2. 中国医科大学公共卫生学院
摘    要:
目的:探讨饮食诱导肥胖(DIO)大鼠血清肿瘤坏死因子-α(TNF—α)、瘦素(leptin)和胰岛素敏感指标的变化及意义。方法:采用放免法检测大鼠血清TNF-α和leptin水平。结果:实验3周末,DIO大鼠leptin水平高于对照组(P〈0.05);实验12周末,DIO大鼠TNF-α和leptin水平均显著高于对照组和DIO—R大鼠(P〈0.01);DIO大鼠血清TNF-α,leptin水平均和胰岛素敏感指数(ISI)呈负相关(P〈0.05)。结论:TNF-α,leptin可能在肥胖相关的胰岛素抵抗(IR)发生中起协同作用。

关 键 词:肥胖症/血液  肿瘤坏死因子α/分析  瘦素/血液  胰岛素抗药性  大鼠  随机分配  动物

Study on Levels of TNF-α,Leptin and Insulin Sensitivity Index in Obese Rats
ZHAI Ling-ling. Study on Levels of TNF-α,Leptin and Insulin Sensitivity Index in Obese Rats[J]. Chinese Journal of Misdiagnostics, 2008, 8(25): 6057-6058
Authors:ZHAI Ling-ling
Affiliation:WANG Yan,ZHAI Ling-ling,WU Hui,et al. (Department of Health Management,College of Professional Technique, Liao Ning University of Traditional Chinese Medicine ,Shenyang 110101,China)
Abstract:
Objective:To study the levels of serum tumor necrosis factor -α(TNF-α),leptin and insulin sensitivity index (ISI) in diet induced obesity (DIO) rats. Methods:The levels of serum TNF-α and leptin were measured by radioimmunoassay. Results :In the third week ,the level of serum leptin of DIO rats was higher than that of the control rats (P〈0.05) ;In the twelfth week ,the concentrations of serum TNF-α and leptin were significantly higher in DIO rats than those in control and DIO-R rats (P〈0.01);ISI was in negative correlation with the levels of serum TNF-α and leptin in DIO rats (P〈0.05). Conclusion:TNF-α may be in cooperation with leptin m insulin resistance, IR) related to obesity.
Keywords:Obesity/blood  Tumor Necrosis Factor-alpha/analysis  Leptin/blood  Insulin Resistance  Rats : Random Allocation  Animals
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