Fig. 5From: ZnO nanoparticles inhibit the activity of Porphyromonas gingivalis and Actinomyces naeslundii and promote the mineralization of the cementumExpression of Mmp13 and Timp1 in NIH3T3 Cells after ZnONPs treatment. a, b: ZnONPs decreased Mmp13 mRNA and protein expression. c, d: ZnONPs increased Timp1 mRNA and protein expression. β-actin and GAPDH were detected as controls. *Indicates P < 0.05 by ANOVA. (SD, standard deviation)Back to article page