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. 2019 Sep 13;33(11):12853–12872. doi: 10.1096/fj.201900057R

TABLE 2.

Mitochondrial respiratory parameters (1.5/0 mT)

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.