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KMID : 0363320140350020195
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Journal of Korean Oriental Internal Medicine
2014 Volume.35 No. 2 p.195 ~ p.207
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Effects of Rhei Radix et Rhizoma on Insulin Resistance and Adipose Tissue Inflammatory Response in High Fat Diet Induced Obese C57BL/6 Mice
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Choi Seung-Bum
Ma Young-Hoon
Han Yang-Hee
Jung Soo-Jung
Cho Hong-Seok
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Abstract
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Objectives : The purpose of this study was to investigate how Rhei Radix et Rhizoma affects on insulin resistance and adipose tissue inflammatory response in high fat diet induced obese C57BL/6 mice.
Methods : Obesity was induced in C57BL/6 mice by high fat diet for 12 weeks. Models were divided into 3 groups (n=6)
of normal diet, high fat diet (HFD), and high fat diet with Rhei Radix et Rhizoma and investigated for 12 weeks. We
measured body weight, FBS and oral glucose tolerance test (OGTT), serum insulin, homeostatic model assessment-insulin resistance (HOMA-IR), weight of liver and epididymal fat pad. Inflammatory markers such as adipose tissue macrophage (ATM), tumor necrosis factor-α and interlukin-10 and CD68 of epididymal adipocyte were determined to evaluate the effect of Rhei Radix et Rhizoma on adipose tissue inflammation.
Results : Compared with the HFD group, we observed loss of body weight and epididymal fat pad weight, improvement
of glucose level and HOMA-IR, reduction of ATM and gene expression of TNF-α, CD68 in the high fat diet with Rhei Radix
et Rhizoma group.
Conclusions : This study suggests that Rhei Radix et Rhizoma has effects on insulin resistance and adipose tissue inflammatory response in high fat diet induced obese mice.
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KEYWORD
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Rhei Radix et Rhizoma, insulin resistance, obesity, adipose tissue inflammation
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