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(A) Cell viability and (B) microscopic examination showing the cytoprotective effect on UVA-treated human skin fibroblast cells (Hs68 cells). Briefly, the cells were pre-incubated with 50 μM Lycogen™ for 24 h, followed by washing with PBS and further UVA irradiation with 20 J/cm2 UVA, than harvested after 24 h. This experiment was repeated at least three times. * p < 0.05 vs. THF.
