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Fold change of propidium iodide (IP) positive cells in UV-stimulated cultures of PBMCs pretreated with clones 1.10 and 3.5. Ratio: MSC : PBMCs (1 : 20) (n = 6). Results expressed as median (SD). p values obtained by ANOVA (LSD test). ∗p ≤ 0.05, ∗∗p ≤ 0.01, and ∗∗∗p ≤ 0.001.
