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Related Experiment Video

Updated: Jun 5, 2026

An Advanced Murine Model for Nonalcoholic Steatohepatitis in Association with Type 2 Diabetes
10:17

An Advanced Murine Model for Nonalcoholic Steatohepatitis in Association with Type 2 Diabetes

Published on: April 26, 2019

A mouse model for nonalcoholic steatohepatitis.

Sinju Sundaresan1, Parakat Vijayagopal, Nathaniel Mills

  • 1Department of Nutrition and Food Sciences, Texas Woman's University, Denton, USA. ssundare@dom.wustl.edu

The Journal of Nutritional Biochemistry
|December 31, 2010
PubMed
Summary

High-fat diets with sufficient methionine and choline effectively induce nonalcoholic steatohepatitis (NASH) in mice, mimicking human disease features. This mouse model aids NASH research and understanding of metabolic syndrome progression.

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Area of Science:

  • Hepatology and Metabolic Diseases
  • Animal Models of Human Disease

Background:

  • Nonalcoholic steatohepatitis (NASH) is a liver condition linked to metabolic syndrome, potentially leading to cirrhosis.
  • Existing animal models for NASH are limited in their ability to replicate human disease characteristics.

Purpose of the Study:

  • To determine if high-fat diets (HFD) with adequate methionine and choline can induce NASH features in C57BL/6J mice.
  • To establish a relevant animal model for studying human NASH.

Main Methods:

  • C57BL/6J mice were fed either a low-fat diet (control) or an HFD for 20 weeks.
  • Blood biomarkers, liver histology, and protein expression related to NASH were analyzed post-treatment.

Main Results:

  • HFD induced significant liver triglyceride accumulation and histopathological NASH features (steatosis, ballooning, inflammation, fibrosis).
  • Elevated liver enzymes (ALT, AST, ALP), hyperglycemia, hyperinsulinemia, and NASH-associated proteins (collagens, PDGF) were observed in HFD-fed mice.
  • Biomarkers like TNF-α, resistin, leptin, free fatty acids, TGF-β, and MDA were significantly increased, mirroring human NASH profiles.

Conclusions:

  • Long-term HFD with adequate methionine and choline successfully induces key pathophysiological features of human NASH in C57BL/6J mice.
  • This study validates a mouse model for investigating NASH mechanisms and potential therapeutics.