Fig. 3

mRNA expression of (A) osteogenic genes RUNX2, and OCN, as well as (B) chondrogenic genes SOX9 and COL2 measured using qRT-PCR after 1, 3, 7, and 14 days under mechanical strain without or with 10 ng/ml TGF-β3. Data shown are mean fold static condition group ± SEM at each time point