Cytotoxic Effect of Cu2+ on Cultured Endotheliocytes of the Rat Cerebral CortexстатьяИсследовательская статья
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Дата последнего поиска статьи во внешних источниках: 4 марта 2026 г.
Аннотация:We studied the effect of Cu2+ on cultured endotheliocytes of the rat cerebral cortex. Phase-contrast microscopy of living cultures showed that cell damage in the monolayer and a decreasein the mitochondrial membrane potential (detected with JC-1 dye) occurred when the Cu2+concentration in the culture medium reached 0.2 mM and higher. In surviving cells exposedto 0.2 mM Cu2+, an increase in the level of p53 protein in the nuclei was revealed. However,statistically significant decrease in the conversion of tetrazolium bromide into formazan wasobserved starting from 0.1 mM Cu2+ in the culture medium, and impairment of the barrierfunction of these cells began from 0.05 mM Cu2+.Thus, among the studied parameters, thebarrier function of endotheliocytes was proved to be the most sensitive to the toxic effectof copper.