[Alteration of UV-sensitivity of mice peritoneal macrophage plasma membranes by calcium ions]статья
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Дата последнего поиска статьи во внешних источниках: 28 мая 2015 г.
Аннотация:Effect of Ca2+ ions on UV-induced mice peritoneal macrophage plasma membrane damage has been studied. Drop of the extracellular Ca2+ concentration has been found to result in a reduced expression of this damage. On the contrary, a raised intra- and extra-cellular Ca2+ level is associated with a higher number of cells with damaged plasma membranes. These findings make it possible to suggest that this change in the plasma membrane photosensitivity might be a result of alterations in the membrane lipid matrix electrical stability owing to UV-induced lipid photo-peroxidation. This study has also shown that free radical peroxidation of membrane lipids plays a significant part in UV-induced cell damage.