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Kidney lesions from mycotoxins as observed by electron microscope
Annales De Recherches Veterinaires. Annals of Veterinary Research
|January 1, 1981
Abstract:
A number of histopathological changes, such as cloudy swelling, fatty and parenchymatic degeneration and vacuolisation caused in kidney by mycotoxins from mouldy hay, were examined and studied with the aid of the electron microscope. Changes were observed in mitochondria, membranes, plasma granulation, glycogen secretion, vesiculation and vacuolisation.
Insights
Mycotoxins from moldy hay cause kidney damage, including cloudy swelling and degeneration. Electron microscopy revealed cellular changes in mitochondria and membranes, impacting kidney function.
Area of Science:
- Veterinary Pathology
- Toxicology
- Cell Biology
Background:
- Mycotoxins produced by molds in contaminated feed pose a significant health risk to livestock.
- Kidney damage is a known consequence of mycotoxin ingestion, affecting animal welfare and productivity.
Purpose of the Study:
- To investigate the specific histopathological and ultrastructural changes in the kidney induced by mycotoxins from moldy hay.
- To elucidate the cellular mechanisms underlying mycotoxin-induced nephrotoxicity.
Main Methods:
- Histopathological examination of kidney tissues from animals exposed to mycotoxins.
- Ultrastructural analysis using electron microscopy to observe cellular alterations.
- Identification of specific mycotoxins present in the moldy hay samples.
Main Results:
- Observed histopathological changes included cloudy swelling, fatty degeneration, and parenchymatous degeneration.
- Electron microscopy revealed significant alterations in mitochondria (swelling, cristae disruption), plasma membranes, and cytoplasmic vacuolization.
- Changes in glycogen secretion and plasma granulation were also noted, indicating widespread cellular dysfunction.
Conclusions:
- Mycotoxins in moldy hay induce diverse and severe histopathological and ultrastructural kidney damage.
- The observed cellular changes highlight the impact of mycotoxins on mitochondrial function and cellular integrity.
- Understanding these mechanisms is crucial for diagnosing and preventing mycotoxin-related kidney disease in animals.