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Related Experiment Video

Updated: Jun 13, 2026

Inducing and Characterizing Vesicular Steatosis in Differentiated HepaRG Cells
09:15

Inducing and Characterizing Vesicular Steatosis in Differentiated HepaRG Cells

Published on: July 18, 2019

Hepatic steatosis: an experimental model for quantification.

Tzee-Chung Wu1, Liang-Kung Chen, Shyh-Hao Tsai

  • 1Division of Gastroenterology, Children's Medical Center, Taipei Veterans General Hospital, National Yang Ming University School of Medicine, No. 155, Sec. 2, Li-Nong Street, Taipei 112, Taiwan.

Archives of Gerontology and Geriatrics
|April 20, 2010
PubMed
Summary

This study introduces a novel bioelectric impedance analysis (BIA) method to quantify hepatic steatosis in rats, offering a more reliable alternative to liver biopsy for non-alcoholic fatty liver disease research.

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Area of Science:

  • Hepatology and Cardiovascular Research
  • Biomedical Engineering and Imaging

Background:

  • Non-alcoholic fatty liver disease (NAFLD) diagnosis relies on liver biopsy, which can be confounded by heterogeneous fatty infiltration.
  • Understanding NAFLD's link to cardiovascular disease requires accurate quantification of hepatic steatosis.

Purpose of the Study:

  • To introduce an experimental method for quantifying hepatic steatosis in rats.
  • To provide an alternative experimental model for future NAFLD research.

Main Methods:

  • Twenty male Sprague-Dawley rats were fed either a commercial chow diet or a choline/methionine deficient (CMD) diet for 2 weeks.
  • Bioelectric impedance analysis (BIA) was performed using percutaneously inserted acupuncture needles in the liver under general anesthesia.
  • Morphological measurements, blood biochemistry, and pathological staging of hepatic steatosis were conducted.

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Optimized Analysis of In Vivo and In Vitro Hepatic Steatosis
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Last Updated: Jun 13, 2026

Inducing and Characterizing Vesicular Steatosis in Differentiated HepaRG Cells
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Inducing and Characterizing Vesicular Steatosis in Differentiated HepaRG Cells

Published on: July 18, 2019

A Model of Experimental Steatosis In Vitro: Hepatocyte Cell Culture in Lipid Overload-Conditioned Medium
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A Model of Experimental Steatosis In Vitro: Hepatocyte Cell Culture in Lipid Overload-Conditioned Medium

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Optimized Analysis of In Vivo and In Vitro Hepatic Steatosis
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Optimized Analysis of In Vivo and In Vitro Hepatic Steatosis

Published on: March 11, 2017

Main Results:

  • CMD rats exhibited significantly higher liver weight/body weight ratios and elevated ALT and AST levels compared to control rats.
  • Pathological staging revealed more advanced hepatic steatosis in CMD rats (3 vs. 0).
  • BIA readings were significantly lower in CMD rats (15.3 vs. 30.5 mΩ) and correlated significantly with steatosis scores (p<0.001, γ=-0.52).

Conclusions:

  • The developed BIA method effectively quantifies hepatic steatosis in a rat model.
  • This experimental approach offers a continuous, less heterogeneous measurement of hepatic steatosis, valuable for NAFLD research.