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Table 1 Effect of α/βCaMKII-transfection vs. controls on contractile parameters

From: CaMKII content affects contractile, but not mitochondrial, characteristics in regenerating skeletal muscle

  SOL GM
Non-transfected Control-transfected α/βCaMKII-transfected Non-transfected Control-transfected α/βCaMKII-transfected
Ftwitch (mN) 216±9.3 178 ±15a 174 ±20 2548 ±86 2377 ±175a 2380 ±178
Fmax (mN) 1083±57 555 ±57a 568 ±80 8864 ±395 7594 ±638a 8078 ±723
Fatigue (%) 10.5 ±3.6 18.8 ±5.3 22.7 ±5.4 67.5 ±2.1 65.3 ±2.9 67.6 ±2.2
TTP (ms) 105 ±14 133 ±7.9a 108 ±7.3b 43.0 ±3.3 50.9 ±4.0a 44.2 ±2.4b
HRT (ms) 121 ±18 168 ±4.6a 142 ±6.9b 42.9 ±5.9 54.0 ±6.0a 46.2 ±3.9b
  1. Data are shown as mean ± SE. For abbreviations see Figure 2. Fatigue: % decrease in force after the 50 maximal tetanic contractions of the high-intensity exercise, relative to first contraction; a: Main effect of electro-transfer procedure (p<0.05); b: Main effect of α/βCaMKII overexpression (p<0.05).