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. 2020 Aug 30;9(9):2798. doi: 10.3390/jcm9092798

Figure 6.

Figure 6

Representative pictures of HE, Alcian blue and Heidenhain’s AZAN trichrome staining of chondrocytic spheroid cultures. Histological staining of chondrocytic spheroid cultures was performed after 35 days of cultivation with different medium groups: Negative control (NC) (A,E,I), vital cartilage conditioned medium (VC) (B,F,J), high hydrostatic pressure treated cartilage conditioned medium (HHPTC) (C,G,K) and positive control (with chondrogenic growth factors, PC) (D,H,L). n = 12, scale bar: 100 µm.