Table 6 Values at 37 °C and 41 °C based on Q10 and Arrhenius Calculations.

From: The efficacy of Ranolazine on E1784K is altered by temperature and calcium

Condition

37 °C

(Q 10 )

41 °C

(Q 10 )

37 °C

(Arrhenius)

41 °C

(Arrhenius)

Peak GV Density (nS/pF)

WT - 0 nM Ca2+ - 0 µM Ran

16179.18

55592.62

8124.68

10881.05

WT - 0 nM Ca2+ - 10 µM Ran

22678.58

99329.99

9107.70

11251.36

WT - 2500 nM Ca2+ - 0 µM Ran

27586.50

131656.89

9377.01

11024.82

WT - 2500 nM Ca2+ - 10 µM Ran

15043.82

48489.81

6439.00

6969.03

EK - 0 nM Ca2+ - 0 µM Ran

3575.20

3527.30

3569.09

3525.15

EK - 0 nM Ca2+ - 10 µM Ran

12400.15

35482.80

5731.14

6055.55

EK - 2500 nM Ca2+ - 0 µM Ran

14940.82

51538.73

6366.24

7251.15

EK - 2500 nM Ca2+ - 10 µM Ran

2860.49

2527.87

2816.21

2513.95

Peak I Na Density (pA/pF)

WT - 0 nM Ca2+ - 0 µM Ran

446.63

597.28

463.00

604.67

WT - 0 nM Ca2+ - 10 µM Ran

564.39

706.75

580.56

713.78

WT - 2500 nM Ca2+ - 0 µM Ran

623.14

754.26

637.95

760.26

WT - 2500 nM Ca2+ - 10 µM Ran

521.76

633.36

534.72

638.92

EK - 0 nM Ca2+ - 0 µM Ran

270.93

288.18

272.97

288.90

EK - 0 nM Ca2+ - 10 µM Ran

339.21

361.89

341.86

362.80

EK - 2500 nM Ca2+ - 0 µM Ran

430.22

549.75

443.92

556.03

EK - 2500 nM Ca2+ - 10 µM Ran

222.38

215.51

221.51

215.22

Late I Na Density (pA/pF)

WT - 0 nM Ca2+ - 0 µM Ran

6.48

8.89

6.74

9.01

WT - 0 nM Ca2+ - 10 µM Ran

11.26

19.76

12.09

20.26

WT - 2500 nM Ca2+ - 0 µM Ran

11.08

11.77

11.17

11.80

WT–2500 nM Ca2+ - 10 µM Ran

8.17

10.02

8.38

10.11

EK - 0 nM Ca2+ - 0 µM Ran

29.25

56.02

31.75

57.68

EK - 0 nM Ca2+ - 10 µM Ran

4.15

4.58

4.20

4.60

EK - 2500 nM Ca2+ - 0 µM Ran

11.61

12.41

11.71

12.45

EK - 2500 nM Ca2+ - 10 µM Ran

13.12

18.37

13.69

18.65

Late Percent (%)

WT - 0 nM Ca2+ - 0 µM Ran

1.54

1.50

1.53

1.49

WT - 0 nM Ca2+ - 10 µM Ran

2.27

3.71

2.41

3.79

WT - 2500 nM Ca2+ - 0 µM Ran

2.80

2.91

2.81

2.92

WT - 2500 nM Ca2+ - 10 µM Ran

1.18

1.30

1.19

1.31

EK - 0 nM Ca2+ - 0 µM Ran

11.64

16.17

12.13

16.41

EKv0 nM Ca2+ - 10 µM Ran

0.92

1.00

0.93

1.00

EK - 2500 nM Ca2+ - 0 µM Ran

1.86

1.69

1.84

1.69

EK - 2500 nM Ca2+ - 10 µM Ran

3.94

4.96

4.05

5.01

GV-V 1/2 (mV)

WT - 0 nM Ca2+ - 0 µM Ran

−44.27

−45.34

−44.40

−45.39

WT - 0 nM Ca2+ - 10 µM Ran

−36.12

−33.96

−35.84

−33.87

WT - 2500 nM Ca2+ - 0 µM Ran

−40.20

−39.68

−40.13

−39.66

WT - 2500 nM Ca2+ - 10 µM Ran

−36.50

−34.66

−36.26

−34.58

EK - 0 nM Ca2+ - 0 µM Ran

−29.04

−27.61

−28.86

−27.56

EK - 0 nM Ca2+ - 10 µM Ran

−37.06

−37.39

−37.10

−37.40

EK - 2500 nM Ca2+ - 0 µM Ran

−33.62

−32.25

−33.44

−32.19

EK - 2500 nM Ca2+ - 10 µM Ran

−30.35

−29.25

−30.21

−29.21

GV-z

WT - 0 nM Ca2+ - 0 µM Ran

6.79

7.93

6.92

7.99

WT - 0 nM Ca2+ - 10 µM Ran

4.84

4.71

4.82

4.71

WT - 2500 nM Ca2+ - 0 µM Ran

6.59

7.49

6.70

7.53

WT - 2500 nM Ca2+ - 10 µM Ran

5.55

6.11

5.62

6.13

EK - 0 nM Ca2+ - 0 µM Ran

3.89

4.17

3.93

4.19

EK - 0 nM Ca2+ - 10 µM Ran

4.68

5.21

4.75

5.23

EK - 2500 nM Ca2+ - 0 µM Ran

4.36

4.78

4.41

4.80

EK - 2500 nM Ca2+ - 10 µM Ran

4.28

4.78

4.34

4.80

SSFI-V 1/2 (mV)

WT - 0 nM Ca2+ - 0 µM Ran

−78.24

−75.70

−77.91

−75.59

WT - 0 nM Ca2+ - 10 µM Ran

−81.49

−80.21

−81.32

−80.15

WT - 2500 nM Ca2+ - 0 µM Ran

−77.46

−74.07

−77.02

−73.92

WT - 2500 nM Ca2+ - 10 µM Ran

−81.11

−78.58

−80.79

−78.47

EK - 0 nM Ca2+ - 0 µM Ran

−88.67

−85.79

−88.30

−85.67

EK - 0 nM Ca2+–10 µM Ran

−92.87

−91.23

−92.66

−91.15

EK - 2500 nM Ca2+ - 0 µM Ran

−95.62

−94.16

−95.43

−94.10

EK - 2500 nM Ca2+ - 10 µM Ran

−93.54

−91.72

−93.31

−91.64

SSFI-z

WT - 0 nM Ca2+ - 0 µM Ran

−4.95

−5.26

−4.99

−5.27

WT - 0 nM Ca2+ - 10 µM Ran

−4.02

−4.04

−4.02

−4.04

WT - 2500 nM Ca2+ - 0 µM Ran

−4.41

−4.63

−4.44

−4.63

WT - 2500 nM Ca2+ - 10 µM Ran

−4.02

−4.05

−4.03

−4.05

EK - 0 nM Ca2+ - 0 µM Ran

−3.24

−3.31

−3.25

−3.32

EK - 0 nM Ca2+ - 10 µM Ran

−3.21

−3.30

−3.22

−3.31

EK - 2500 nM Ca2+ - 0 µM Ran

−3.31

−3.38

−3.32

−3.38

EK - 2500 nM Ca2+ - 10 µM Ran

−2.90

−2.85

−2.89

−2.84

50mV FI τ (ms)

WT - 0 nM Ca2+ - 0 µM Ran

2.04

1.77

2.00

1.76

WT - 0 nM Ca2+ - 10 µM Ran

2.71

2.58

2.69

2.57

WT - 2500 nM Ca2+ - 0 µM Ran

2.19

1.92

2.15

1.91

WT - 2500 nM Ca2+ - 10 µM Ran

1.27

1.01

1.24

1.00

EK - 0 nM Ca2+ - 0 µM Ran

0.80

0.69

0.78

0.69

EK - 0 nM Ca2+ - 10 µM Ran

0.77

0.65

0.75

0.64

EK - 2500 nM Ca2+ - - 0 µM Ran

0.60

0.57

0.59

0.57

EK - 2500 nM Ca2+ - 10 µM Ran

1.04

0.99

1.03

0.99

30mV FI τ (ms)

WT–0 nM Ca2+ - 0 µM Ran

0.54

0.43

0.53

0.43

WT - 0 nM Ca2+–10 µM Ran

0.61

0.52

0.60

0.52

WT - 2500 nM Ca2+ - 0 µM Ran

0.36

0.26

0.35

0.25

WT - 2500 nM Ca2+ - 10 µM Ran

0.51

0.42

0.50

0.42

EK - 0 nM Ca2+ - 0 µM Ran

0.30

0.25

0.29

0.25

EK - 0 nM Ca2+ - 10 µM Ran

0.26

0.21

0.25

0.21

EK - 2500 nM Ca2+ - 0 µM Ran

0.23

0.20

0.23

0.20

EK - 2500 nM Ca2+ - 10 µM Ran

0.31

0.27

0.31

0.27

10mV FI τ (ms)

WT - 0 nM Ca2+ - 0 µM Ran

0.28

0.22

0.27

0.21

WT - 0 nM Ca2+ - 10 µM Ran

0.30

0.25

0.29

0.25

WT - 2500 nM Ca2+ - 0 µM Ran

0.21

0.16

0.20

0.15

WT–2500 nM Ca2+ - 10 µM Ran

0.24

0.19

0.23

0.19

EK - 0 nM Ca2+ - 0 µM Ran

0.20

0.16

0.19

0.16

EK - 0 nM Ca2+ - 10 µM Ran

0.18

0.15

0.18

0.15

EK - 2500 nM Ca2+ - 0 µM Ran

0.15

0.13

0.15

0.13

EK - 2500 nM Ca2+ - 10 µM Ran

0.19

0.16

0.18

0.16

 +10 mV FI τ (ms)

WT - 0 nM Ca2+ - 0 µM Ran

0.19

0.14

0.18

0.14

WT - 0 nM Ca2+ - 10 µM Ran

0.20

0.16

0.19

0.16

WT - 2500 nM Ca2+ - 0 µM Ran

0.16

0.12

0.16

0.12

WT - 2500 nM Ca2+ - 10 µM Ran

0.16

0.13

0.16

0.12

EK - 0 nM Ca2+ - 0 µM Ran

0.16

0.13

0.15

0.13

EK - 0 nM Ca2+ - 10 µM Ran

0.15

0.12

0.14

0.12

EK - 2500 nM Ca2+ - 0 µM Ran

0.12

0.10

0.12

0.10

EK - 2500 nM Ca2+ - 10 µM Ran

0.15

0.12

0.14

0.12

1 Hz-y0

WT - 0 nM Ca2+ - 0 µM Ran

0.94

0.97

0.94

0.97

WT - 0 nM Ca2+ - 10 µM Ran

0.76

0.76

0.76

0.76

WT - 2500 nM Ca2+ - 0 µM Ran

0.90

0.93

0.90

0.93

WT - 2500 nM Ca2+ - 10 µM Ran

0.83

0.85

0.84

0.85

EK - 0 nM Ca2+ - 0 µM Ran

0.86

0.92

0.87

0.92

EK - 0 nM Ca2+ - 10 µM Ran

0.83

0.91

0.84

0.92

EK - 2500 nM Ca2+ - 0 µM Ran

0.92

0.97

0.92

0.97

EK - 2500 nM Ca2+ - 10 µM Ran

0.83

0.90

0.84

0.91

1 Hz-τ1 (s)

WT - 0 nM Ca2+ - 0 µM Ran

5.34

6.15

5.43

6.18

WT - 0 nM Ca2+ - 10 µM Ran

6.34

7.76

6.51

7.83

WT - 2500 nM Ca2+ - 0 µM Ran

42.49

65.65

44.88

66.93

WT - 2500 nM Ca2+ - 10 µM Ran

2.23

1.65

2.15

1.63

EK - 0 nM Ca2+ - 0 µM Ran

8.14

10.28

8.38

10.38

EK - 0 nM Ca2+ - 10 µM Ran

2.22

2.01

2.19

2.00

EK - 2500 nM Ca2+ - 0 µM Ran

25.75

50.72

28.04

52.25

EK - 2500 nM Ca2+ - 10 µM Ran

1.22

0.77

1.15

0.75

1 Hz-τ2 (s)

WT - 0 nM Ca2+ - 0 µM Ran

37.43

35.07

37.13

34.97

WT - 0 nM Ca2+ - 10 µM Ran

86.46

129.96

91.00

132.31

WT - 2500 nM Ca2+ - 0 µM Ran

50.52

40.70

49.16

40.30

WT - 2500 nM Ca2+ - 10 µM Ran

81.65

104.69

84.25

105.85

EK - 0 nM Ca2+ - 0 µM Ran

68.52

68.34

68.50

68.33

EK - 0 nM Ca2+ - 10 µM Ran

82.26

87.65

82.91

87.89

EK - 2500 nM Ca2+ - 0 µM Ran

79.80

102.18

82.29

103.26

EK - 2500 nM Ca2+ - 10 µM Ran

43.43

37.52

42.64

37.27

3 Hz-y0

WT - 0 nM Ca2+ - 0 µM Ran

0.90

0.99

0.91

1.00

WT - 0 nM Ca2+ - 10 µM Ran

0.69

0.75

0.70

0.75

WT - 2500 nM Ca2+ - 0 µM Ran

0.83

0.88

0.84

0.88

WT - 2500 nM Ca2+ - 10 µM Ran

0.63

0.65

0.63

0.66

EK - 0 nM Ca2+ - 0 µM Ran

0.79

0.82

0.79

0.83

EK - 0 nM Ca2+ - 10 µM Ran

0.57

0.60

0.57

0.60

EK - 2500 nM Ca2+ - 0 µM Ran

0.76

0.78

0.76

0.78

EK - 2500 nM Ca2+ - 10 µM Ran

0.68

0.76

0.69

0.76

3 Hz-τ1 (s)

WT - 0 nM Ca2+ - 0 µM Ran

2.97

3.29

3.01

3.30

WT - 0 nM Ca2+ - 10 µM Ran

0.70

0.46

0.67

0.46

WT - 2500 nM Ca2+ - 0 µM Ran

1.38

1.28

1.36

1.27

WT - 2500 nM Ca2+ - 10 µM Ran

0.98

0.93

0.97

0.92

EK - 0 nM Ca2+ - 0 µM Ran

3.07

3.69

3.14

3.72

EK - 0 nM Ca2+ - 10 µM Ran

1.47

1.29

1.45

1.28

EK - 2500 nM Ca2+ - 0 µM Ran

2.27

2.01

2.24

2.00

EK - 2500 nM Ca2+ - 10 µM Ran

0.84

0.58

0.81

0.57

3 Hz-τ2 (s)

WT - 0 nM Ca2+ - 0 µM Ran

14.24

10.80

13.75

10.66

WT - 0 nM Ca2+ - 10 µM Ran

15.28

13.72

15.08

13.65

WT - 2500 nM Ca2+ - 0 µM Ran

39.52

40.39

39.63

40.43

WT - 2500 nM Ca2+ - 10 µM Ran

20.81

26.32

21.43

26.60

EK - 0 nM Ca2+ - 0 µM Ran

54.26

61.55

55.14

61.90

EK - 0 nM Ca2+ - 10 µM Ran

31.12

36.95

31.81

37.24

EK - 2500 nM Ca2+ - 0 µM Ran

43.81

68.26

46.41

69.75

EK - 2500 nM Ca2+ - 10 µM Ran

5.29

4.15

5.13

4.11