FIG. 2.

In vitro chondrogenic pellet culture using HAC or BMSCs. (A) Wet weight and (B) Safranin O stained paraffin wax sections of HAC or BMSC pellet cultures that had been grown for 14 days culture in standard chondrogenic media with or without supplementation with 100 ng/mL BMP7. *p<0.05–effect of BMP7 on BMSC wet weight (unpaired students t-test). Data are presented as mean and standard deviation of the expression measured in three donors. BMSC, bone marrow–derived mesenchymal stem cell; BMP, bone morphogenetic protein. Color images available online at www.liebertonline.com/tea