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Cytoprotective properties of SNP-P (A), SNP-Q (B), SNP-E (C) compared to unloaded nanoparticles (SSNP) and the equivalent amount of free drugs on MSCs treated with H2O2 1.5 mM for 24 h (CTR). Multifactor ANOVA, mean values ± least significant difference (LSD), n = 3. Different letters (a, b, c) indicate significant differences between the means (p < 0.05), whereas the same letter indicates no significant difference (p > 0.05).
