Figure 3.

Zonal analysis of MMP-3 mRNA expression following 21 days of immobilization. (A) Safranin O stained section of cartilage indicating zones selected for analysis by Laser Capture Microdissection. (B) MMP-3 mRNA levels (expressed as copy number/ng RNA). Data show mean and SEM (n = 5). * = P < 0.05.