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. Author manuscript; available in PMC: 2014 Jan 1.
Published in final edited form as: J Mol Cell Cardiol. 2012 Oct 30;54:1–8. doi: 10.1016/j.yjmcc.2012.10.010

Figure 3.

Figure 3

Elastic and viscous moduli vs frequency under maximum activated conditions at 5 mM and 0.25 mM MgATP. A. At 5 mM MgATP the characteristic dips and shoulders of the elastic and viscous moduli occur at lower frequencies due to β-MyHC in the PTU-fed rats compared to α-MyHC in the control rats. B. Mouse myocardial strips at 5 mM MgATP demonstrated similarly differential and exaggerated frequency characteristics between β-MyHC and α-MyHC. C and D. At 0.25 mM MgATP the frequency characteristics are shifted to lower frequencies compared to 5 mM MgATP. These characteristics are still lower in β-MyHC compared to α-MyHC and lower in rat (panel C) compared to mouse (panel D).