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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 2.

5-HT-induced changes in cell membrane properties

Changes in Membrane Properties
Control Mean
Total EGFP+ Total EGFP+ ↑Em Total ↓Em Total
n 14 11 14 11 7 7
Em, mV −72.3 ± 8 −72.9 ± 8 −1.3 ± 7 −0.8 ± 5 4.5 ± 3* −7.1 ± 3*
Ith, pA 107.1 ± 61 118.2 ± 64 −3.6 ± 31 −4.5 ± 35 −7.1 ± 34 0.0 ± 29
Rin, MΩ 347.8 ± 111 342.5 ± 123 64.3 ± 90* 71.5 ± 99* 70.6 ± 54* 58.0 ± 121
Vth, mV −39.6 ± 10 −39.7 ± 11 −5.1 ± 6* −3.4 ± 4† −2.4 ± 4† −8.3 ± 6†
AP height, mV 43.5 ± 13 39.2 ± 11 −1.7 ± 11 −3.4 ± 11 −2.5 ± 13 −0.7 ± 9
AP width, ms 3.8 ± 1 3.9 ± 1 0.6 ± 1† 0.6 ± 1† 0.4 ± 1 0.7 ± 1†
AHP depth, mV 16.4 ± 8 15.8 ± 8 −1.9 ± 3† −1.7 ± 3† −1.5 ± 4 −2.4 ± 2†
AHP 1/2 decay, ms 52.1 ± 43 46.3 ± 27 −8.7 ± 31 −5.6 ± 21 −17.9 ± 39 2 ± 13
Slope SS, Hz/nA 88.3 ± 37 88.1 ± 39 −11.1 ± 37 −20.6 ± 27 −19.2 ± 29 −3.1 ± 47

  • ↑, 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) 347.8 ± 111.0 347.8 (MΩ) Data Table
Spinal cord ventral horn motor neuron alpha spike amplitude (mV) 43.5 ± 13.0 43.5 (mV) Data Table
Spinal cord ventral horn motor neuron alpha spike width (ms) 3.8 ± 1.0 3.8 (ms) Data Table