Figure 4. Chondrogenic matrix stained with Alcian blue in encapsulated ASC/HA constructs cultured for 28 days in normal (A) or chondrogenic-inducing (B) medium. A weak background staining can be seen in HA alone (C). (D) Detail of a more dense chondrogenic structure which can also be observed in the constructs. Original magnification x200 (A and B) or x100 (C and D).
