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Histopathological changes in rat liver following repeated vespine envenomation
Liver
|December 1, 1985
Summary
Repeated hornet envenomation damages rat liver, causing cell death, altered enzyme activity, and structural changes. The rat liver serves as a valuable model for studying animal toxin pathology.
Area of Science:
- Toxicology
- Pathology
- Hepatology
Background:
- Animal venoms can cause significant tissue damage.
- Understanding the specific effects of hornet venom on liver tissue is crucial.
Purpose of the Study:
- To investigate the histopathological effects of Vespa orientalis venom sac extract (VSE) on rat liver.
- To evaluate the suitability of the rat liver as a model for studying animal toxin-induced liver injury.
Main Methods:
- Repeated envenomation of rats with Vespa orientalis venom sac extract.
- Light microscopy and histochemical staining of liver tissue.
- Electron microscopy of liver tissue.
Main Results:
- Observed hepatocyte necrosis, decreased glycogen, and reduced succinic dehydrogenase activity.
- Noted fat infiltration and increased alkaline phosphatase activity in hepatocytes.
- Electron microscopy revealed mitochondrial damage, enlarged bile canaliculi, and sinusoidal endothelial destruction.
Conclusions:
- Vespa orientalis venom sac extract induces significant histopathological changes in rat liver.
- The observed liver damage supports the use of the rat liver as a model for studying the pathological effects of animal toxins.
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