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Cyclic stretch induces osteogenic differentiation of PDLSCs. (A–B) ALP staining and ALP activity assay of the ALP activity in PDLSCs after cyclic stretch. (C–D) PCR analysis and western blotting analysis of the influence of cyclic stretch on the mRNA expression and protein level of osteogenesis markers. ∗p < 0.05, ∗∗p < 0.01, ∗∗∗p < 0.001.
