Depletion and overexpression of specific protein 1 by western blot analysis. Human articular chondrocytes (HAC) were treated as in Figure 6b,c. At the end of the incubations, protein was extracted and Sp1 protein levels were determined by western blot analysis.
Baugé et al. Arthritis Research & Therapy 2011 13:R23 doi:10.1186/ar3247