HaCaT cells viability evaluated by MTT after irradiation with UVB. The BM
extract administered 30 min before irradiation offered significant protection at 50
(p < 0.001) and 100 mJ/cm2 (p < 0.0001)-two-way ANOVA, Bonferroni posttests.
p < 0.05 p < 0.001 p < 0.0001.