Fig. 4From: The role of the Wnt/β-catenin signaling pathway in the proliferation of gold nanoparticle-treated human periodontal ligament stem cellsβ-catenin gene expression after interference with siRNA. a Different concentrations of siRNA interfere with β-catenin gene expression in hPDLSCs. b β-catenin protein expression after disturbance with 0.5 μg/μl siRNA. c β-catenin protein detection after siRNA and/or AuNP treatment. *p < 0.05. AuNP gold nanoparticle, a.u. arbitrary units, siRNA small interfering RNABack to article page