Abstract
The aim of the present study was to evaluate the photoprotective potential of Viburnum grandiflorum (VG) against ultraviolet-B radiation-induced responses in HaCaT cells. The HaCaT cells were pretreated with VG prior ultraviolet-B (UVB)-radiation exposure and were further examined for lipid peroxidation, enzymatic antioxidant activity, % reactive oxygen species, DNA damage, mitochondrial membrane potential and for inflammatory, and apoptotic signaling markers such as tumor necrosis factor-alpha, nuclear factor kappa B, interleukin-1 (IL-1), IL-6, cyclooxygenase-2, p53, caspase-3/9, cytochrome-c, Bax, and Bcl-2. The VG pretreatment in UVB exposed cells shows significantly regulated both inflammatory as well as apoptotic signaling cascades. Our findings suggest that VG may be functional against UVB-induced photo-damages.
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