Establishment of Gestational Diabetes Rat Model Induced by High-fat Diet

Zhang Xin Wen; Zhang Yan; Hu Yan Xin; Pan Bao Long; Wang Ming Fang; Ma Run Mei

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Article Navigation > Journal of Kunming Medical University > 2016 > 37(11): 8-13

Zhang Xin Wen , Zhang Yan , Hu Yan Xin , Pan Bao Long , Wang Ming Fang , Ma Run Mei . Establishment of Gestational Diabetes Rat Model Induced by High-fat Diet[J]. Journal of Kunming Medical University, 2016, 37(11): 8-13.

Citation:

Zhang Xin Wen , Zhang Yan , Hu Yan Xin , Pan Bao Long , Wang Ming Fang , Ma Run Mei . Establishment of Gestational Diabetes Rat Model Induced by High-fat Diet[J]. Journal of Kunming Medical University, 2016, 37(11): 8-13.

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Establishment of Gestational Diabetes Rat Model Induced by High-fat Diet

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基金：国家自然科学基金资助项目(81160082); 云南省卫生厅内设研究机构资助项目(2014WS180); 昆明医科大学研究生创新基金资助项目(2015S13);

Received Date: 2016-06-12

Abstract

Abstract

Objective To establish a gestational diabetes rat model by feeding the rats with high-fat diet.Methods A total of 55 female SD rats were divided into four groups: NV group, NP group, FV group and FP group. Three months after normal feeding, the female rats in NP and FP group were put into the same cage with the male rats at the ratio of 2:1 and were given high-fat diet or normal diet as usual. Before pregnancy and day1,7,14,20 in pregnancy,fasting plasma glucose and body weight of rats were detected. The fasting serum insulin and serum c-peptide levels were monitored by enzyme immunoassay and insulin resistance index was calculated. At late pregnancy, glucose tolerance and the indicator of fat were tested. Liver and pancreas were dyed to be observed under microscope. Results Body weights of the rats raised with high-fat diet were significantly higher than those of control group and body weight during pregnancy significantly increased(P<0.05). Fasting glucose,fasting insulin and serum C-peptide in FP group were significantly higher than those in NP group and insulin resistance was evident(P<0.05). The area under curve of GTT in FP group was significantly larger(P<0.05).The levels of serum lipids in FP group were higher than those in normal group. Conclusions The gestational diabetes rat model induced by high-fat diet can be successfully established.The model presents major pathophysiological manifestations of GDM and can be used as a good model of GDM in relevant research.
- High-fat diet,
- Gestational diabetes mellitus,
- Rat,
- C peptide

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References(20)

References

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