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Young Jun An  (An YJ) 2 Articles
Prevention of Diabetes by Fenofibrate in OLETF Rats: Hepatic Mechanism for Reducing Visceral Adiposity.
Hye Jeong Lee, Mi Kyoung Park, Kyung Il Lee, Young Jun An, Ji Min Kim, Ja Young Park, Young Han, Sook Hee Hong, Sun Seob Choi, Young Hyun Yoo, Joon Duk Suh, Duk Kyu Kim
Korean Diabetes J. 2007;31(1):63-74.   Published online January 1, 2007
DOI: https://doi.org/10.4093/jkda.2007.31.1.63
  • 2,126 View
  • 18 Download
  • 4 Crossref
AbstractAbstract PDF
BACKGROUND
The aim of this study is to evaluate the hepatic mechanism of fenofibrate that has the diabetes protective action in rats. METHODS: We chose OLETF rats and divided them into three groups. Fenofibrate (DF) group was fed with diet and fenofibrate (300 mg/kg/day). Paired feeding (Dd) group and free diet (DD) group were fed with diet. After 36 weeks of treatment, all the rats were sacrificed. RESULTS: The fasting blood glucose level of DF group (8.5 +/- 0.9 mmol/L) showed normal. The fasting blood glucose level of Dd group (22.4 +/- 3.0 mmol/L) and DD group (16.9 +/- 3.7 mmol/L) showed significantly increased than that of DF group (P < 0.01, respectively). The body weight, visceral adipose tissue and subcutaneous adipose tissue of DF group were significantly decreased compared to those of Dd and DD groups (P < 0.01, P < 0.05, P < 0.05). DF group showed significantly increased state-3 respiration rate, ATP synthetic activity, state-4 respiration rate and their blood beta-keton body levels than those of control groups (P < 0.01, respectively). DF group showed normal morphology of hepatocytes but DD and Dd groups showed hepatic steatosis with mitochondrial swellings. CONCLUSION: Chronic fenofibrate treatment prevents the development of diabetes in OLETF rats with inhibiting gain of body weight and abdominal adiposity. The hepatic mechanism for reducing visceral adiposity is that fenofibrate leads to increasing oxidative phosphorylation, uncoupling and ketogenesis as well as increasing beta-oxidation of fatty acids. Moreover, fenofibrate treatment prevents the development of hepatic steatosis.

Citations

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  • The Differences of Metabolic Syndrome Risk Factors according to Obesity and Abdominal Obesity in Elderly Korean Women
    Kyung-A Shin
    The Korean Journal of Clinical Laboratory Science.2016; 48(4): 304.     CrossRef
  • Effects of Soybean and DJI Chungkukjang Powder on Blood Glucose and Serum Lipid Reduction in db/db Mice
    Jae-Joon Lee, Ah-Ra Kim, Hae-Choon Chang, Hae-Ok Jung, Myung-Yul Lee
    Journal of the Korean Society of Food Science and Nutrition.2012; 41(8): 1086.     CrossRef
  • Comparative analysis of fat and muscle proteins in fenofibratefed type II diabetic OLETF rats: the fenofibrate-dependent expression of PEBP or C11orf59 protein
    Jong-Ryeal Hahm, Jin-Sook Ahn, Hae-Sook Noh, Seon-Mi Baek, Ji-Hye Ha, Tae-Sik Jung, Yong-Jun An, Duk-Kyu Kim, Deok-Ryong Kim
    BMB Reports .2010; 43(5): 337.     CrossRef
  • Comparative analysis of fat and muscle proteins in fenofibratefed type II diabetic OLETF rats: the fenofibrate-dependent expression of PEBP or C11orf59 protein
    Jong-Ryeal Hahm, Jin-Sook Ahn, Hae-Sook Noh, Seon-Mi Baek, Ji-Hye Ha, Tae-Sik Jung, Yong-Jun An, Duk-Kyu Kim, Deok-Ryong Kim
    BMB Reports.2010; 43(5): 337.     CrossRef
Exercise and Fenofibrate Reduces Body Adiposity Synergistically in OLETF Rats.
Young Jun An, Hre Jeong Lee, Mi Kyoung Park, Kyung Il Lee, In Young Koh, Dong Sik Jung, Ah Young Kang, Duk Kyu Kim
Korean Diabetes J. 2004;28(2):131-138.   Published online April 1, 2004
  • 938 View
  • 16 Download
AbstractAbstract PDF
BACKGROUND
The PPAR alpha activator, Fenofibrate, is a pharmacological ligand, which induces beta-oxidation of long chain fatty acids in the mitochondria of hepatocytes. The beta-oxidation induced by exogenous PPAR alpha activators may be operated maximally when the sustained production of energy substrate in the liver is required by working muscles due to continued exercise. The aim of this study was to determine whether the combination therapy of exercise and Fenofibrate could synergistically reduce body adiposity in OLETF rats. METHODS: Twenty-eight male OLETF rats(13 wk old) were divided into four groups. The diet(n=7) and exercise groups(n=7) were fed with chow for 12 weeks. The Fenofibrate(n=7) and combined treatment(exercise and Fenofibrate) groups (n=7) were fed with Fenofibrate(32mg/kg/day) mixed chow for 12 weeks. The animals in the exercise and combined treatment groups were exercised by running on a treadmill for 12 weeks. At 24 weeks of age, all the rats were sacrificed, and examined by biochemical tests and had their adipose tissue weight measured. RESULTS: There were no significant changes in the retroperitoneal and subcutaneous fats between the diet and Fenofibrate groups, but there were between the diet and combined treatment groups(P<0.05). CONCLUSION: Exercise combined with Fenofibrate synergistically reduces body adiposity in OLETF rats

Diabetes Metab J : Diabetes & Metabolism Journal