Figure 4.
Chondrogenic evaluation of 3D‐bioplotted PCL‐dECM scaffolds. (a–d) Unstained scaffolds of each condition (e–h). Scaffolds stained for proteoglycan content via Safranin‐O. (i–l) Scaffolds stained for sulfated glycosaminoglycans content via Alcian Blue (scale bars = 200 μm). Gene expression of (m) sox9 and (n) aggrecan, and (o) collagen I. dECM, decellularized bovine cartilage extracellular matrix; PCL, polycraprolactone