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. Author manuscript; available in PMC: 2011 Jan 1.
Published in final edited form as: J Tissue Eng Regen Med. 2010 Jan;4(1):25–29. doi: 10.1002/term.205

Figure 2.

Figure 2

Histological analysis of interface. Alcian blue-esosin stained sections of the interface between the inner core and outer ring articular cartilage components at culture day 21. (A) Puramtrix hydrogel containing both TGF-ß3 and chondrocytes; (B) hydrogel containing chondrocytes only; and (C) hydrogel containing TGF-ß3 only. Robust cartilage formation in intimate contact with the native cartilage components was seen only in the cell-seeded hydrogel in the presence of TGF-ß3. Bar = 100 μm (A & B), or 50 μm (C).