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Real-time quantitative PCR analysis of the relative expression of osteogenic genes OCN, ALP, and OPN in hPDLCs cultured with different materials in osteogenic medium.
Notes: The relative mRNA expression of cells cultured with nPLGA groups (A–C) and cells cultured with nCS (D–F). *P<0.05.
Abbreviations: CS, chitosan; hPDLCs, human periodontal ligament cells; nCS, CS nanoparticles; nPLGA, PLGA nanoparticles; PLGA, poly(lactic-co-glycolic acid).
