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[Histologic changes in peripheral nerves in rats with chronic copper poisoning]
Dj Sunderić1, S Dozić, E Hosovski
1Health Centre, Titovo Uzice.
Srpski Arhiv Za Celokupno Lekarstvo
|July 1, 1990
Summary
Chronic copper poisoning in rats led to copper pigment accumulation in peripheral nerve tissues, including blood vessels. Histopathology revealed discrete changes such as swollen axons, indicating neurotoxic effects of long-term copper exposure.
Area of Science:
- Neuroscience
- Toxicology
- Histopathology
Context:
- Investigating the long-term effects of chronic copper poisoning on peripheral nerve health.
- Utilizing a rodent model to simulate occupational or environmental exposure to copper.
- Examining the distribution and impact of copper accumulation within nerve structures.
Purpose:
- To histochemically and histopathologically assess peripheral nerve damage in rats subjected to chronic copper inhalation.
- To identify the specific locations of copper deposition within nerve tissues.
- To characterize the resulting neuropathological alterations.
Summary:
- Histochemical analysis revealed copper pigment in 46.66% of chronically copper-poisoned rats, predominantly in the epineurium, perineurium, and blood vessel walls of peripheral nerves.
- Copper deposition was also observed within endoneurial cells, though to a lesser extent.
- Histopathological examination showed discrete changes, primarily characterized by axonal swelling, in the peripheral nerves of exposed rats.
Impact:
- Provides evidence of peripheral neurotoxicity associated with chronic copper exposure.
- Highlights the potential for copper to accumulate in nerve sheaths and vascular structures.
- Contributes to understanding the mechanisms of metal-induced neuropathies.