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. 2019 Nov 1;15:386. doi: 10.1186/s12917-019-2118-z

Fig. 6.

Fig. 6

Timeline of the study. Cartilage samples were collected and let to equilibrate in media for 48 h before the commencement of the experiment. Then, at day 0 and 4 samples were exposed to IL-1β and PL. All the other days of the experiment explants received full growth media only. Media was collected every-2 days and at the end of the study, cartilage and media samples were collected