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. Author manuscript; available in PMC: 2012 Jun 10.
Published in final edited form as: Circ Res. 2011 Apr 14;108(12):1429–1438. doi: 10.1161/CIRCRESAHA.110.237644

Figure 4. The inotropic effects of Hsp20 are abrogated in the presence of non-phosphorylatable PLN.

Figure 4

(A) Maximum rates of contraction (+dL/dt), (B) maximum rates of relaxation (−dL/dt), (C) fractional shortening (FS%) and (D) twitch Ca amplitude in cultured WT and PLN double-mutant (DM: S16A/T17A) cardiomyocytes upon Ad.GFP and Ad.Hsp20 infection. n=20 cells for WT and n=22 cells for DM. Values = mean ± SEM. *:P<0.05. WT-Ad.Hsp20 vs. WT- Ad.GFP; #: P<0.05. DM-Ad.GFP vs. WT-Ad.GFP.