Francesca Corsi, Erika Di Meo, Daniela Lulli, Greta Deidda Tarquini, Francesco Capradossi, Emanuele Bruni, Andrea Pelliccia, Enrico Traversa, Elena Dellambra, Cristina Maria Failla, Lina Ghibelli
Cerium oxide nanoparticles (nanoceria), biocompatible multifunctional nanozymes exerting unique biomimetic activities, mimic superoxide-dismutase and catalase through a self-regenerating, energy-free redox cycle driven by Ce3+/4+ valence switch. Additional redox-independent UV-filter properties render nanoceria ideal multitask solar screens, shielding from UV exposure, simultaneously protecting tissues from UV-oxidative damage. Here, we report that nanoceria favour basal proliferation of primary normal keratinocytes, and protects them from UVB-induced DNA damage, mutagenesis, and apoptosis, minimizing cell loss and accelerating recovery with flawless cells...
March 20, 2023: Antioxidants (Basel, Switzerland)