Table 3.
Construct | No. of cells | Average peak ICa2+, pA/pF ± SE | Gmax, nS/nF ± SE | V1/2, mV ± SE | K, mV ± SE |
---|---|---|---|---|---|
RyR1 | 14 | −6.6 ± 1.3 | 169 ± 21 | 16 ± 2 | 4.5 ± 0.4 |
RyR1+D2 | 9 | −8.7 ± 1.5 | 228 ± 27 | 17 ± 2 | 5.2 ± 0.5 |
Ch-4rev | 13 | −5.3 ± 0.8 | 167 ± 11 | 18 ± 1 | 4.8 ± 0.4 |
Ch-4 | 10 | −4.6 ± 1.0 | 167 ± 20 | 21 ± 2 | 4.9 ± 0.4 |
Ch-2rev+D2 | 9 | −3.5 ± 0.8 | 136 ± 12 | 19 ± 2 | 5.5 ± 0.4 |
Ch-4+D2 | 15 | −4.2 ± 0.5 | 133 ± 12 | 17 ± 1 | 4.8 ± 0.3 |
RyR3+D2 | 15 | −3.9 ± 0.5 | 123 ± 12 | 16 ± 1 | 4.8 ± 0.3 |
Ch-2 | 15 | −3.4 ± 0.5* | 121 ± 14 | 21 ± 1 | 4.6 ± 0.4 |
RyR1−D2 | 13 | −2.8 ± 0.4* | 106 ± 12* | 19 ± 1 | 4.7 ± 0.5 |
Ch-2rev | 10 | −3.2 ± 0.8* | 91 ± 15* | 20 ± 2 | 5.0 ± 0.5 |
RyR3 | 10 | −3.0 ± 0.8* | 94 ± 11* | 22 ± 2 | 5.2 ± 0.5 |
Dyspedic | 6 | −1.0 ± 0.3# | 61 ± 6† | 22 ± 2 | 5.2 ± 0.2 |
Significance values are in comparison to RyR1 and are as follows:
*, P < 0.05;
†, P < 0.01.