Effects of LMW fucoidan at different concentrations [0 (control), 0.25, 0.5, 1 and 2 mg/ml] on gene expression of markers of osteoblastic differentiation as BSP-2 (a), ALP (b), Osteocalcin (c), COL I (d), BSP (e) and steonectin (f) in 7F2 cells for 48 h (n = 3). mRNA expression fold = mRNA expression of the given gene/mRNA expression of GAPDH expression