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Levels of inflammatory markers (NF-kB, pIkBα) in human dermal fibroblast (HDF) cells irradiated with ultraviolet A (UVA, 275 kJ/m2) radiation (UV+) or not irradiated (UV−), after 1 h of exposure. HDF were screened with different formulations as explained in the text. Data are expressed as mean values ± standard deviation (SD). Columns belonging to the same set of data with different superscript letters are significantly different (p < 0.05).
