Ellagic acid protects human keratinocyte (HaCaT) cells against UVA-induced oxidative stress and apoptosis through the upregulation of the HO-1 and Nrf-2 antioxidant genesYou-Cheng Hseu, Hsin-Ling Yang, K. J. Senthil Kumar et al.|Food and Chemical Toxicology|2012Cited by 236