TABLE 2.
Exposure condition | Basal respiration | P | Spare capacity | P | ATP production | P |
---|---|---|---|---|---|---|
C2C12 wild type | ||||||
20 K (plated; n = 9) | 1.13 ± 0.15 | 0.0228a | 1.25 ± 0.25 | 0.0104a | 1.12 ± 0.12 | 0.0115a |
30 K (plated; n = 5) | 0.91 ± 0.13 | 0.1207a | 0.89 ± 0.11 | 0.0608a | 0.96 ± 0.12 | 0.2671a |
0.0142b | 0.0075b | 0.02370b | ||||
40 K (suspension-low ρ; n = 4) | 1.64 ± 0.29 | 0.0041a | 1.95 ± 0.48 | 0.0071a | 1.67 ± 0.31 | 0.0052a |
40 K (suspension-high ρ; n = 4) | 0.91 ± 0.08 | 0.0694a | 0.88 ± 0.09 | 0.0499a | 0.92 ± 0.01 | 0.0895a |
0.0053c | 0.0091c | 0.0071c | ||||
24 h (n = 2) | 1.35 ± 0.08 | 1.54 ± 0.31 | 1.29 ± 0.12 | |||
48 h (n = 2) | 1.09 ± 0.05 | 1.12 ± 0.17 | 1.11 ± 0.03 | |||
CRISPR/Cas9 TRPC1 knockdown | ||||||
c60 (n = 4) | 0.97 ± 0.14 | 0.6768a | 0.87 ± 0.24 | 0.3759a | 0.95 ± 0.15 | 0.5628a |
c61 (n = 4) | 0.95 ± 0.05 | 0.0582a | 0.90 ± 0.07 | 0.0462a |
0.93 ± 0.05 |
0.0482a |
0.3769d | 0.4104d | 0.4338d |
All values represent means ± SD of n independent experiments. “Suspension-low ρ” and “suspension-high ρ” refer to myoblast suspensions originating from either low- or high-density cultures, respectively, before exposure to PEMFs as indicated and then plated at 40,000 myoblasts/well 6 h before mitochondrial respiratory assessment. P values indicate: a0 mT with regard to 1.5 mT; b20 K with regard to 30 K; clow ρ with regard to high ρ; dc60 with regard to c61.