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  • Title: Severe damage of cultured vascular endothelial cell monolayer after simultaneous exposure to cadmium and lead.
    Author: Kaji T, Suzuki M, Yamamoto C, Mishima A, Sakamoto M, Kozuka H.
    Journal: Arch Environ Contam Toxicol; 1995 Feb; 28(2):168-72. PubMed ID: 7710289.
    Abstract:
    This study evaluates the toxicity of lead in the presence or absence of cadmium on the maintenance of a monolayer of cultured bovine aortic endothelial cells. It was histologically shown that lead at 50 microM or less induced a slight formation of de-endothelialized areas on the monolayer after a 24-h incubation. Although lead accumulated in endothelial cells in a dose-dependent manner, the cytotoxicity (evaluated by the [3H]adenine release assay) was not detected. However, cadmium (1.0 or 2.0 microM)-induced de-endothelialized areas on the monolayer was considerably larger in the presence of lead at 10 microM; the cytotoxicity of cadmium was significantly enhanced by lead. It was concluded that vascular endothelial cell monolayer is severely destroyed by a greater cytotoxicity of combination of cadmium with lead.
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