TABLE 2

Activation parameters of Ih channels for different sizes of DRG neurons

Significant difference is indicated as **P < 0.01.

Cell DiameterContralateralIpsilateralSignificant Difference
μm
E1/2 (mV)
 Φ = 20–30−85.45 ± 2.85−81.45 ± 1.72NS
 Φ = 30–40−79.80 ± 7.95−85.85 ± 0.45NS
 Φ = 40–50−89.72 ± 2.51−76.64 ± 2.54**
 Φ = 50–60−85.86 ± 1.58−88.03 ± 4.24NS
k (mV)
 Φ = 20–307.12 ± 3.0917.36 ± 4.45NS
 Φ = 30–4015.67 ± 1.4717.65 ± 4.45NS
 Φ = 40–5015.60 ± 1.6213.83 ± 1.86NS
 Φ = 50–6011.93 ± 0.4110.29 ± 1.08NS

  • E1/2, half-maximum activation potential of Ih channels; k, slope factor of the activation curve of Ih channels; NS, not significantly different.