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Article: Nitric oxide modulates Ca(2+) channels in dorsal root ganglion neurons innervating rat urinary bladder.

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Yoshimura N; Seki S; de Groat WC
J. Neurophysiol., 2001


Table 1.

Effects of SNAP on action potential characteristics of bladder afferent neurons

TTX-Resistant Neurons TTX-Sensitive Neurons
Control SNAP (500 μM) Control SNAP (500 μM)
Resting membrane potential, mV −51.2 ± 1.2 −50.6 ± 1.1 −54.4 ± 2.2 −53.3 ± 2.3
Spike threshold, mV −20.6 ± 1.6 −21.1 ± 1.4 −28.2 ± 2.1 −27.6 ± 2.5
Spike amplitude, mV 80.4 ± 3.6 83.1 ± 4.0 86.4 ± 5.1 83.3 ± 6.0
Firing frequency, spikes 1.4 ± 0.2 1.3 ± 0.2 13.8 ± 1.5 14.3 ± 1.8

  • Data were obtained before (control) and 2 min after application of S-nitroso-N-acetylpenicillamine (SNAP, 500 μM). Firing frequency was expressed as the number of spikes elicited by 500-ms depolarizing current pulses. Values are means ± SE.n = 12 and 5 for TTX-resistant and TTX-sensitive neurons, respectively.


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Inferred neuron-electrophysiology data values

Neuron Type Neuron Description Ephys Prop Extracted Value Standardized Value Content Source
Dorsal root ganglion cell spike amplitude (mV) 80.4 ± 3.6 80.4 (mV) Data Table
Dorsal root ganglion cell firing frequency 1.4 ± 0.2 1.4 (Hz) Data Table
Dorsal root ganglion cell resting membrane potential (mV) -51.2 ± 1.2 -51.2 (mV) Data Table
Dorsal root ganglion cell spike threshold (mV) -20.6 ± 1.6 -20.6 (mV) Data Table