The relative ratio of ALP (A), OC (B), and RUNX2 (C) gene expression in mesenchymal stem cells (MSCs) cultured in osteogenic differentiation medium without (control) or with 0.1 or 1.0 μg/ml Link N for 7 and 21 days. The results are shown as mean ± SD of three independent experiments with MSCs from three different donors. *P < 0.05 versus control.
Antoniou et al. Arthritis Research & Therapy 2012 14:R267 doi:10.1186/ar4113