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- W4229690217 abstract "Oxidized LDL (ox-LDL) have been involved in the pathogenesis of several human diseases including dermatological pathologies. Oxidative modification of low-density lipoproteins (LDL) is accompanied by both extensive degradation of its polyunsaturated fatty acids and production of lipoperoxides. These highly reactive products induce an intracellular oxidative stress with a variety of cytotoxic effects. In order to evaluate cellular damage induced by oxidative stress in epidermal cells, a human epidermoid carcinoma cell line in culture (A 431) was used as experimental model. Cell treatment with UV-oxidized LDL resulted in cytostatic and cytotoxic effects characterized by morphological and functional alterations: inhibition of cell proliferation, modifications of cytoskeleton network, microtubular derangement, loss of cell–cell and cell–substrate contacts, cell detachment and cell death by apoptosis. The ox-LDL-induced alterations were almost completely prevented by pre-incubating cells with α-tocopherol. The results presented here could be of relevance for a better comprehension of the pathogenic mechanisms of several human diseases, including dermatological pathologies, and could indicate that antioxidants such as α-tocopherol could represent an important therapeutic challenge in the maintenance of cell and tissue homeostasis in the long run." @default.
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- W4229690217 date "2007-05-01" @default.
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- W4229690217 title "Subcellular Alterations Induced by UV-Oxidized Low-Density Lipoproteins in Epithelial Cells Can Be Counteracted by α-Tocopherol" @default.
- W4229690217 doi "https://doi.org/10.1562/0031-8655(2000)0710097saibuo2.0.co2" @default.
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