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Updated: Mar 9, 2026
07:27
The Murine Choline-Deficient, Ethionine-Supplemented CDE Diet Model of Chronic Liver Injury
Published on: October 21, 2017
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Subchronic liver injuries caused by microcystins.
Robert Frangež1,2, Marjan Kosec1, Bojan Sedmak3
1Veterinary Faculty,, Ljubljana, Slovenia.
Pflugers Archiv : European Journal of Physiology
|December 24, 2016
Summary
Subchronic exposure to microcystins from cyanobacterial lyophilizate (CL) caused liver injury in rabbits. Magnetic resonance imaging (MRI) effectively detected these liver changes, including fatty infiltration and fibrosis.
Area of Science:
- Hepatology
- Toxicology
- Medical Imaging
Background:
- Cyanobacterial blooms produce microcystins, potent liver toxins.
- Subchronic exposure to microcystins can lead to significant liver damage.
Purpose of the Study:
- To investigate the subchronic effects of microcystins on rabbit liver.
- To evaluate the utility of magnetic resonance imaging (MRI) in detecting microcystin-induced liver toxicity.
Main Methods:
- Female New Zealand rabbits were injected intraperitoneally with sterile cyanobacterial lyophilizate (CL) containing microcystins.
- Liver toxicity was assessed using histological examination of liver samples.
- Non-invasive liver MRI was performed to evaluate changes in tissue homogeneity.
Main Results:
- Subchronic microcystin intoxication induced morphological changes in liver tissue.
- These changes were detectable via MRI, correlating with histological findings.
- Histological analysis confirmed liver injury, characterized by fatty infiltration and periportal fibrosis.
Conclusions:
- Subchronic exposure to microcystins can cause liver degeneration.
- MRI is a valuable in vivo tool for detecting microcystin-induced liver injury.
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