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The Study of the Changes of Obesity-Relating Biomarkers in High Fat Fed-Induced C57BL/6 Mice

  • Journal of Korean Medicine for Obesity Research
  • Abbr : J Korean Med Obes Res
  • 2016, 16(1), pp.19-26
  • Publisher : The Society of Korean Medicine for Obesity Research
  • Research Area : Medicine and Pharmacy > Korean Medicine
  • Published : June 30, 2016

송미영 1

1동국대학교

Accredited

ABSTRACT

Objectives: The prevalence of obesity continues rise and obesity and metabolic syndrome is a major problem in global health care. Animal models are used in the drug discovery of novel treatment for obesity. One of common models of obesity is a high fat diet induced obesity in a C5BL/6 mouse, and the development of obesity and glucose tolerance in mouse model is different according to period of diet. Therefore, this study was performed to observe the development of obesity and glucose tolerance during a high fat diet (HFD). Methods: Male C57BL/6 mice, 5 weeks of age, were fed on a standard chow diet as a normal diet (18 kcal% fat) or a HFD (60 kcal% fat) for up to 16 weeks. The various factors related with obesity and insulin resistance were measured at 8, 12, and 16 weeks. Results: The weights of body and epididymal fat were gradually increased for 8∼16 weeks, however the change of hyperglycaemia and glucose tolerance have shown different with that of body weight. Blood glucose, oral glucose tolerance and insulin tolerance were increased more clearly at week 12 and 16 than week 8. Lipid accumulation of liver and body temperature were also significantly increased at week 16, compared with normal group. Conclusions: The developments of obesity and related factors were different by a HFD period in a C57BL/6 obese mice. This result suggests that the development of obesity with glucose tolerance and liver lipid may induce clearly by a HFD for 16 weeks.

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This paper was written with support from the National Research Foundation of Korea.