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. 2023 Jan 31;24(3):2675. doi: 10.3390/ijms24032675

Figure 4.

Figure 4

Contractile parameters in isolated cardiomyocytes from 12-month-old male (left panels) and female (right panels) WT-PLN and R14del-PLN mice. (A,D) Fractional shortening (FS) in % at 0.5 Hz. (B,E) Maximum rates of contraction velocity (+dL/dt). (C,F) Maximum rates of relaxation velocity (−dL/dt). n = 23 LV and 15 RV cells for WT males (N = 3 hearts); n = 37 LV and 12 RV cells for WT females (N = 5 hearts). n = 13 LV and 11 RV cells for R14del-PLN males (N = 3 hearts); n = 8 LV and 8 RV cells for R14del-PLN females (N = 3 hearts). Data are expressed as mean ± SD for the number of cells, and statistical analyses were performed with Student’s unpaired t-test.