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Pg-LPS impairs cell viability and triggers inflammation of PDLSCs. (a) Morphology of PDLSCs cells. (b) Effects of different concentrations of pg-LPS on the activity of PDLSCs were detected by CCK-8 assay. (c) Effects of different concentrations of pg-LPS on inflammatory factors (TNF-α, IL-6, IL-1β and IL-10) in PDLSCs were detected by ELISA assay. *p < 0.05, **p < 0.01 and ***p < 0.001 vs. 0 μg/ml
