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. Author manuscript; available in PMC: 2015 Jan 1.
Published in final edited form as: Biomaterials. 2013 Nov 7;35(4):10.1016/j.biomaterials.2013.10.047. doi: 10.1016/j.biomaterials.2013.10.047

Figure 3.

Figure 3

Response surface of force-per-cell values on 7th day for all groups (n=8–12 per group). Under the softest boundary (k = 0.15 nN/nm), increasing TGF-β1 concentration does not significantly affect homeostatic tension. Similarly, in the absence of TGF-β1, increasing boundary stiffness does not alter force-per-cell values. At higher levels, these factors interacted synergistically.