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Establishment of a novel non‑alcoholic fatty liver disease model using cholesterol‑fed rabbits with reference to the potential role of endoplasmic reticulum stress

  • Authors:
    • Yanli Wang
    • Peng Zhang
    • Xingli Su
    • Qi Yu
    • Yulong Chen
    • Hua Guan
    • Enqi Liu
    • Jianglin Fan
  • View Affiliations / Copyright

    Affiliations: Department of Pathology, Xi'an Medical University, Xi'an, Shaanxi 710021, P.R. China, Department of Surgery, Xi'an Medical University, Xi'an, Shaanxi 710021, P.R. China, Department of Pathophysiology, Xi'an Medical University, Xi'an, Shaanxi 710021, P.R. China, Shaanxi Key Laboratory of Ischemic Cardiovascular Disease, Institute of Basic and Translational Medicine, Xi'an Medical University, Xi'an, Shaanxi 710021, P.R. China
    Copyright: © Wang et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 2898-2904
    |
    Published online on: July 6, 2018
       https://doi.org/10.3892/mmr.2018.9258
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Abstract

The aim of the present study was to establish a non‑alcoholic fatty liver disease (NAFLD) model using cholesterol‑fed rabbits and to investigate whether endoplasmic reticulum stress (ERS) serves a role in the pathogenesis of NAFLD. A total of 20 male rabbits were randomly divided into 3 groups: Those fed a normal chow diet, a high cholesterol diet (HCD) or a high fat and high cholesterol diet (HFCD) for 12 weeks. Total cholesterol, triglycerides and free fatty acids of plasma and the liver were measured. At 12 weeks, a glucose tolerance test was performed. The steatosis of the liver was evaluated using hematoxylin and eosin and Oil Red O staining. Expression levels of glucose regulation protein 78, CCAAT/enhancer‑binding protein homologous protein, c‑Jun N‑terminal kinase (JNK) and caspase‑12 mRNA was analyzed by reverse transcription‑quantitative polymerase chain reaction. Plasma levels of total cholesterol, triglycerides and free fatty acids in the HCD and HFCD groups were significantly higher when compared with those in the control group (P<0.05 or P<0.01). Histological analysis revealed that HCD and HFCD groups demonstrated marked differences in the fatty liver compared with the control group, while there was no significant difference between the HCD and HFCD groups. JNK and caspase‑12 expression were significantly increased in the HCD and HFCD groups when compared with the control. The HCD and HFCD groups exhibited prominent fatty livers, a typical pathological feature of NAFLD. However, the addition of high fat levels in the cholesterol diet did not increase the severity of hepatic steatosis in HFCD when compared with the HCD group. Thus, the ERS pathway may participate in the pathogenesis of NAFLD, and cholesterol‑fed rabbits may become a novel model for the study of NAFLD.
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Copy and paste a formatted citation
Spandidos Publications style
Wang Y, Zhang P, Su X, Yu Q, Chen Y, Guan H, Liu E and Fan J: Establishment of a novel non‑alcoholic fatty liver disease model using cholesterol‑fed rabbits with reference to the potential role of endoplasmic reticulum stress. Mol Med Rep 18: 2898-2904, 2018.
APA
Wang, Y., Zhang, P., Su, X., Yu, Q., Chen, Y., Guan, H. ... Fan, J. (2018). Establishment of a novel non‑alcoholic fatty liver disease model using cholesterol‑fed rabbits with reference to the potential role of endoplasmic reticulum stress. Molecular Medicine Reports, 18, 2898-2904. https://doi.org/10.3892/mmr.2018.9258
MLA
Wang, Y., Zhang, P., Su, X., Yu, Q., Chen, Y., Guan, H., Liu, E., Fan, J."Establishment of a novel non‑alcoholic fatty liver disease model using cholesterol‑fed rabbits with reference to the potential role of endoplasmic reticulum stress". Molecular Medicine Reports 18.3 (2018): 2898-2904.
Chicago
Wang, Y., Zhang, P., Su, X., Yu, Q., Chen, Y., Guan, H., Liu, E., Fan, J."Establishment of a novel non‑alcoholic fatty liver disease model using cholesterol‑fed rabbits with reference to the potential role of endoplasmic reticulum stress". Molecular Medicine Reports 18, no. 3 (2018): 2898-2904. https://doi.org/10.3892/mmr.2018.9258
Copy and paste a formatted citation
x
Spandidos Publications style
Wang Y, Zhang P, Su X, Yu Q, Chen Y, Guan H, Liu E and Fan J: Establishment of a novel non‑alcoholic fatty liver disease model using cholesterol‑fed rabbits with reference to the potential role of endoplasmic reticulum stress. Mol Med Rep 18: 2898-2904, 2018.
APA
Wang, Y., Zhang, P., Su, X., Yu, Q., Chen, Y., Guan, H. ... Fan, J. (2018). Establishment of a novel non‑alcoholic fatty liver disease model using cholesterol‑fed rabbits with reference to the potential role of endoplasmic reticulum stress. Molecular Medicine Reports, 18, 2898-2904. https://doi.org/10.3892/mmr.2018.9258
MLA
Wang, Y., Zhang, P., Su, X., Yu, Q., Chen, Y., Guan, H., Liu, E., Fan, J."Establishment of a novel non‑alcoholic fatty liver disease model using cholesterol‑fed rabbits with reference to the potential role of endoplasmic reticulum stress". Molecular Medicine Reports 18.3 (2018): 2898-2904.
Chicago
Wang, Y., Zhang, P., Su, X., Yu, Q., Chen, Y., Guan, H., Liu, E., Fan, J."Establishment of a novel non‑alcoholic fatty liver disease model using cholesterol‑fed rabbits with reference to the potential role of endoplasmic reticulum stress". Molecular Medicine Reports 18, no. 3 (2018): 2898-2904. https://doi.org/10.3892/mmr.2018.9258
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