Fig. 4From: Evaluation of osteogenic potential of demineralized dentin matrix hydrogel for bone formationRT-qPCR analysis of COL-I gene expression in BMMSCs incubated with either 25%, 50%, 75% and 100% of DDMH or NHH for 3 weeks. Data are presented as mean ± SD relative to control. The housekeeping gene is GAPDH; n = 3. ** P < 0.01Back to article page