Figure 7.

CPC migration analyzed by scratch assay. Confluent chondrogenic progenitor cells (CPC) were scratched, incubated with or without interleukin (IL)-1β (1 ng/ml) or tumor necrosis factor (TNF)-α (10 ng/ml) and documented by phase contrast microscopy after the indicated time points. The bars indicate 200 μm. Representative pictures of four independent experiments are shown.

Joos et al. Arthritis Research & Therapy 2013 15:R119   doi:10.1186/ar4299
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