食品科学 ›› 2009, Vol. 30 ›› Issue (5): 253-256.doi: 10.7506/spkx1002-6630-200905058

• 营养卫生 • 上一篇    下一篇

余甘子对胰岛素抵抗大鼠过氧化物酶体增生物激活受体γ表达的影响

习雪峰1,崔节荣1,王 勇2   

  1. 1.河南大学体育学院 2.三明学院体育系
  • 收稿日期:2008-05-16 修回日期:2008-08-12 出版日期:2009-03-01 发布日期:2010-12-29
  • 通讯作者: 习雪峰 E-mail:xuefeng350286@163.com

Effects of Phyllanthus emblica L. Extract on Expression of Peroxisome Prolifemtor-activated Receptor γ (PPARγ) of Insulin Resistance Rat

XI Xue-feng1,CUI Jie-rong1,WANG Yong2   

  1. (1. Institute of Physical Education, Henan University, Kaifeng 475001, China;
    2. Department of Physical Education, Sanming University, Sanming 365004, China)
  • Received:2008-05-16 Revised:2008-08-12 Online:2009-03-01 Published:2010-12-29
  • Contact: XI Xue-feng1 E-mail:xuefeng350286@163.com

摘要:

目的:观察余甘子提取物对胰岛素抵抗大鼠脂肪细胞过氧化物酶体增生物激活受体γ(PPARγ)mRNA 表达的影响。方法:Wistar 大鼠30 只,随机分为正常对照组10 只,给予基础饲料;模型组20 只,给予高脂饲料。模型组大鼠给予高脂喂养6w 后,随机分为两个亚组:胰岛抵抗组(继续高脂饮食)和余甘子组(给予高脂饲料同时进行2ml 剂量3.5g/kg bw 余甘子提取物灌胃)。干预6w 后,利用逆转录多聚酶链反应(RT-PCR)分别检测三组大鼠脂肪中PPAR γ表达的差异。结果:高脂饮食成功诱导了胰岛素抵抗,余甘子提取物显著改善了胰岛素抵抗,胰岛素抵抗组大鼠的脂肪中PPARγ表达稍高于对照组,但显著低于余甘子组。结论:余甘子提取物明显改善胰岛素抵抗,可能与其提高PPARγmRNA 表达有关。

关键词: 胰岛素抵抗, 余甘子提取物, 过氧化物酶体增生物激活受体-γ, 脂联素

Abstract:

In this study, 30 male Wistar rats were randomly divided into the control group (n=10) which was fed basic diet, and the model group (n=20) which was fed high fat diet. After 6 weeks, the model group was randomly divided into 2 subgroups: insulin resistant group (n=10) which continued to receive high fat diet, and Phyllanthus emblica L. extract group (n=10) which was fed high fat diet and administered by gavage with 3.5 g/kg body weight of Phyllanthus emblica L. extract at the same time. After the treatment with Phyllanthus emblica L. extract for 6 weeks, the expression levels of PPARγ in the fat tissue of rats were determined by RT-PCR. The results showed that the high fat diet successfully induces insulin resistance of rats, but the Phyllanthus emblica L. extract significantly improves their insulin resistance. The PPARγ expression of rats in insulin resistance group is slightly higher than that of ratsin the control group, but is significantly lower than that of ratin Phyllanthus emblica L. extract group. In conclusion, the Phyllanthus emblica L. extract can significantly improve insulin resistance, which may be related to the increase of PPARγ mRNA expression.

Key words: insulin resistance, Phyllanthus emblica L. extract, peroxisome prolifemtor-activated receptor γ, adiponectin

中图分类号: