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Updated: Apr 4, 2026

Quantifying Liver Size in Larval Zebrafish Using Brightfield Microscopy
Published on: February 2, 2020
Zebrafish: an important tool for liver disease research.
Wolfram Goessling1, Kirsten C Sadler2
1Divisions of Genetics and Gastroenterology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts; Gastrointestinal Cancer Center, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts; Harvard Stem Cell Institute, Harvard Medical School, Boston, Massachusetts; Broad Institute of MIT and Harvard, Harvard Medical School, Boston, Massachusetts.
Zebrafish models offer insights into liver disease mechanisms. Their conserved genes and rapid development aid in studying liver cancer and regeneration.
Area of Science:
- Hepatology
- Comparative Biology
- Toxicology
Background:
- Hepatobiliary diseases are increasing, necessitating better understanding of liver disease pathogenesis.
- Animal models are crucial for identifying therapeutic targets in liver disease.
- Zebrafish (Danio rerio) are increasingly valuable for liver disease research beyond development.
Purpose of the Study:
- To review the utility of zebrafish in understanding liver disease mechanisms.
- To highlight zebrafish as a model for inherited and acquired liver diseases, cancer, and regeneration.
Main Methods:
- Utilizing zebrafish embryos and larvae for rapid disease modeling (by 5 days post-fertilization).
- Employing genetic and chemical screens to identify disease-related genes and pathways.
- Comparing conserved genes and cellular processes between zebrafish and humans.
Main Results:
- Zebrafish larvae develop hepatobiliary diseases from defects, toxins, or ethanol, showing premalignant changes.
- Zebrafish exhibit conserved hepatic cellular composition, function, signaling, and injury response similar to humans.
- Genetic and chemical screens in zebrafish have identified novel disease mechanisms.
Conclusions:
- Zebrafish are a powerful model for studying fundamental liver disease mechanisms due to conserved biology and experimental tractability.
- Zebrafish research advances understanding of liver cancer, regeneration, and therapeutic targets for various liver conditions.

