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[Histologic changes in the rat brain during chronic copper poisoning]
Dj Sunderić1, E Hosovski, S Dosić
1Health Centre, Titovo Uzice.
Srpski Arhiv Za Celokupno Lekarstvo
|May 1, 1990
Summary
Chronic copper poisoning in rats led to increased brain copper levels and significant histopathological changes, particularly in the hippocampus and cerebellum. These findings highlight copper
Area of Science:
- Neurotoxicology
- Histopathology
- Trace Element Research
Context:
- Investigates the long-term effects of chronic copper exposure on the mammalian brain.
- Utilizes a rodent model (Wistar rats) for controlled toxicological studies.
- Examines copper accumulation and its pathological consequences in neural tissues.
Purpose:
- To evaluate the biotoxical, histochemical, and histopathological impacts of chronic copper poisoning on rat brains.
- To quantify copper concentration differences between exposed and control groups.
- To identify specific brain regions affected by copper accumulation and associated cellular damage.
Summary:
- Chronic copper poisoning via inhalation increased brain copper levels by 1.2-fold in Wistar rats.
- Copper pigment accumulation was observed in 53.33% of poisoned rats, notably in the hippocampus and cerebellum.
- Histopathological changes, including wrinkling, swelling, and tigrolysis, correlated with copper deposition sites.
Impact:
- Demonstrates a direct link between chronic copper exposure and neurodegeneration.
- Provides histopathological evidence of copper's neurotoxic effects in specific brain regions.
- Contributes to understanding the mechanisms of heavy metal-induced neurological damage.