Article: Heat-induced action potential discharges in nociceptive primary sensory neurons of rats.
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Greffrath W; Schwarz ST; Büsselberg D; Treede RD
J. Neurophysiol., 2009
TABLE 2.
Effect of warming on action potential properties in types 1, 2, and 3 neurons
ANOVA, Main Effect
Type 1 (n = 9)
Type 2 (n = 10)
Type 3 (n = 6)
Property
Group
Temperature
RT
34°C
RT
34°C
RT
34°C
Holding current, pA
F (2,22) = 1.1, P = 0.35
F (1,22) = 12.0, **
−31.1 ± 10.1
−112.2 ± 33.4
−35.5 ± 29.7
−140.0 ± 31.7
−105.0 ± 46.3
−180.0 ± 86.7
AP threshold current, nA
F (2,22) = 0.2, P = 0.81
F (1,22) = 20.2, ***
3.2 ± 0.3
5.3 ± 0.9
3.3 ± 0.3
6.1 ± 0.8
2.7 ± 0.3
5.4 ± 2.0
Maximum rate of AP rise, mV/ms
F (2,22) = 0.9, P = 0.42
F (1,22) = 0.2, P = 0.63
116.0 ± 10.7
134.0 ± 6.0
115.0 ± 11.6
104.0 ± 8.9
140.0 ± 34.4
119.0 ± 14.9
Amplitude of action potential, mV
F (2,22) = 0.03, P = 0.97
F (1,22) = 11.7, **
115.0 ± 3.3
111.0 ± 2.8
119.0 ± 3.1
106.0 ± 4.0
120.0 ± 5.2
104.0 ± 8.0
Maximum rate of AP fall, mV ms−1
F (2,22) = 0.3, P = 0.71
F (1,22) = 3.0, P = 0.097
−88.0 ± 11.0
−106.0 ± 6.6
−78.0 ± 9.0
−90.0 ± 10.1
−80.0 ± 36.0
−84.0 ± 20.0
Decay time, ms
F (2,22) = 3.4, P = 0.052
F (1,22) = 43.1, ***
2.5 ± 0.3
1.4 ± 0.2
3.0 ± 0.5
1.4 ± 0.2
4.6 ± 1.0
2.5 ± 0.6
Inferred neuron-electrophysiology data values
Neuron Type
Neuron Description
Ephys Prop
Extracted Value
Standardized Value
Content Source