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. 2014 Sep 19;9(9):e107944. doi: 10.1371/journal.pone.0107944

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© 2014 Rizzo et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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a) MMP activity was analyzed by zymography and quantified by densitometry. Relative MMP activity was obtained by normalizing values to untreated samples (DC/TL). Bars represent MMP activity from HD. b) qPCR of HA receptors was performed. The results are expressed as fold change related to DC/TL. Gray bar: DC/TL; black bar: DC/TL/LMW HA. DC/TL vs DC/TL/LMW HA. Mann Whitney t test; *p≤0,05; ***p≤0,001.