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. 2011 Nov 1;6(11):e27209. doi: 10.1371/journal.pone.0027209

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Backman 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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qPCR analysis for SP (a) and NK-1 R (b) mRNA, respectively, in cultured human primary Achilles tendon cells. The mean level of SP mRNA is significantly elevated after 2D-loading of the cultures, whereas the mean level of NK-1 R mRNA is significantly lowered after the loading. Error bars represent standard error of the mean. Level of significance: * p<0.05; **p<0.01 (Independent samples t-test).