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. Author manuscript; available in PMC: 2011 Mar 7.
Published in final edited form as: Acta Biomater. 2010 Aug 27;7(1):133–143. doi: 10.1016/j.actbio.2010.08.018

Fig. 8.

Fig. 8

Gelatin zymography confirmed the presence of pro-MMP-2 (molecular weight 72 kDa) in all samples, but active MMP-2 (molecular weight 68 kDa, arrow) was only seen in the presence of covalently immobilized growth factors.