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Article: Electrophysiological and pharmacological properties of locomotor activity-related neurons in cfos-EGFP mice.

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Dai Y; Carlin KP; Li Z; McMahon DG; Brownstone RM; Jordan LM
J. Neurophysiol., 2009


Table 3.

ACh-induced changes in cell membrane properties

Changes in Membrane Properties
Control Mean
Total EGFP+ Total EGFP+ ↑Em Total ↓Em Total
n 19 15 19 15 10 6
Em, mV −68.7 ± 7 −69.3 ± 7 3.7 ± 9† 3.1 ± 9† 10.4 ± 7* −5.7 ± 5†
Ith, pA 73.7 ± 31 66.7 ± 24 2.6 ± 48 10.0 ± 48 −10.0 ± 39 25 ± 69
Rin, MΩ 426.7 ± 241 446.7 ± 242 −56.4 ± 78* −69.6 ± 78† −60.9 ± 92† −37.2 ± 68
Vth, mV −40.7 ± 10 −41.8 ± 8 −3.9 ± 4* −3.3 ± 3* −3.4 ± 4† −5.6 ± 3*
AP height, mV 50.4 ± 13 50.3 ± 12 −5.5 ± 12† −5.6 ± 12† −6.6 ± 16 −2.8 ± 10
AP width, ms 3.3 ± 1 3.1 ± 1 0.3 ± 1† 0.3 ± 0.7† 0.4 ± 1 0.2 ± 0.3
AHP depth, mV 14.1 ± 4 14.0 ± 5 1.1 ± 3† 0.8 ± 3† 1.4 ± 4 0.5 ± 2
AHP 1/2 decay, ms 51.6 ± 30 50.7 ± 30 3.8 ± 15 3.0 ± 15 0.4 ± 17 5.9 ± 15
Slope SS, Hz/nA 94.8 ± 30 99.1 ± 29 4.8 ± 52 12.2 ± 52 12.5 ± 59 −2.4 ± 5

  • ↑, depolarization (≥2 mV in average); ↓, hyperpolarization (≤−2 mV in average);

  • ↵† , significant difference with P < 0.05 and

  • ↵* , P < 0.005 performed by paired two-sample t-test.


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Inferred neuron-electrophysiology data values

Neuron Type Neuron Description Ephys Prop Extracted Value Standardized Value Content Source
Spinal cord ventral horn motor neuron alpha input resistance (MΩ) 426.7 ± 241.0 426.7 (MΩ) Data Table
Spinal cord ventral horn motor neuron alpha spike amplitude (mV) 50.4 ± 13.0 50.4 (mV) Data Table
Spinal cord ventral horn motor neuron alpha spike width (ms) 3.3 ± 1.0 3.3 (ms) Data Table