From: Modulation of Mg2+ influx and cytoplasmic free Mg2+ concentration in rat ventricular myocytes
Naltriben (μM) | 0 | 2 | 5 | 10 | 20 | 50 |
---|---|---|---|---|---|---|
Basal [Mg2+]i (mM) | 0.92 ± 0.04 | 1.02 ± 0.026 | 0.97 ± 0.02 | 0.98 ± 0.04 | 0.94 ± 0.02 | 0.95 ± 0.04 |
Initial [Mg2+]i (mM) | 0.37 ± 0.01 | 0.42 ± 0.02 | 0.34 ± 0.04 | 0.32 ± 0.04 | 0.32 ± 0.05 | 0.36 ± 0.05 |
Mg2+ influx rate (μM/s) | 0.22 ± 0.03 | 0.30 ± 0.07 | 0.41 ± 0.05** | 0.41 ± 0.07* | 0.36 ± 0.06* | 0.52 ± 0.10** |
Number | 11 | 7 | 10 | 7 | 6 | 9 |