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Article: Membrane properties of striatal direct and indirect pathway neurons in mouse and rat slices and their modulation by dopamine.

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Planert H; Berger TK; Silberberg G
PLoS ONE, 2013


10.1371/journal.pone.0057054.t001 Membrane properties of rat MSN subtypes.
Striatonigral MSNs (n = 32 ) Nonlabeled MSNs (n = 26)
n mean SD n mean SD p-value
Rest potential when impaling cell (mV) 29 -67.67 12.13 26 -64.87 14.25 0.435
Baseline current (pA) 26 -25.40 59.89 24 -5.64 24.09 0.130
Baseline membrane potential for recordings (mV) 32 -74.97 6.49 25 -75.55 5.93 0.731
Amplitude of first AP (mV) 32 82.23 10.03 26 82.55 8.26 0.898
Duration of first AP (ms) 32 3.11 0.49 26 2.99 0.37 0.322
Width of first AP (ms) 32 1.16 0.20 26 1.10 0.11 0.122
Amplitude of second AP (mV) 26 62.72 9.74 25 66.61 6.82 0.106
Duration of second AP (ms) 25 3.58 0.80 25 3.60 0.76 0.941
Width of second AP (ms) 26 1.62 0.35 25 1.54 0.22 0.346
Amplitude change first to second AP (%) 26 -23.90 6.80 25 -19.20 6.39 0.014
AP duration change (%) 25 15.72 17.09 25 19.62 14.67 0.392
AP width change (%) 26 40.14 16.87 25 40.73 56.50 0.887
Input resistance at rest (MΩ) 25 138.39 57.35 23 164.20 57.59 0.127
Input resistance [depolarized] (MΩ) 25 189.57 61.70 22 252.14 91.23 0.008
Input resistance [hyperpolarized] (MΩ) 25 73.71 42.74 23 86.80 40.51 0.283
Membrane time constant at rest (ms) 29 12.98 8.83 25 13.85 6.25 0.684
Membrane time constant [depolarized] (ms) 31 18.54 6.33 25 26.28 9.18 0.000
Membrane time constant [hyperpolarized] (ms) 31 4.31 4.31 26 6.17 4.46 0.075
Membrane time constant for delta pulse (ms) 32 9.50 3.54 25 13.08 3.27 0.000
Threshold for APs (mV) 32 -42.42 4.57 26 -41.94 3.19 0.655
AP drop rate (mV/pA) 26 -0.07 0.04 23 -0.08 0.05 0.269
Ramp current to first spike (pA) 26 185.86 62.68 23 139.15 44.36 0.005
Minimum step current for discharge (pA) 25 191.42 67.36 21 139.10 49.58 0.005
Slope of current-frequency relationship (Hz/pA) 25 0.16 0.12 21 0.21 0.11 0.196

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Inferred neuron-electrophysiology data values

Neuron Type Neuron Description Ephys Prop Extracted Value Standardized Value Content Source
Neostriatum medium spiny neuron Striatum Drd1-expressing striatonigral direct pathway medium spiny neuron input resistance (MΩ) 138.39 138.39 (MΩ) Data Table
Neostriatum medium spiny neuron Striatum Drd2-expressing striatopallidal indirect pathway medium spiny neuron input resistance (MΩ) 164.2 164.2 (MΩ) Data Table
Neostriatum medium spiny neuron Striatum Drd1-expressing striatonigral direct pathway medium spiny neuron membrane time constant (ms) 12.98 12.98 (ms) Data Table
Neostriatum medium spiny neuron Striatum Drd2-expressing striatopallidal indirect pathway medium spiny neuron membrane time constant (ms) 13.85 13.85 (ms) Data Table
Neostriatum medium spiny neuron Striatum Drd1-expressing striatonigral direct pathway medium spiny neuron resting membrane potential (mV) -67.67 -67.67 (mV) Data Table
Neostriatum medium spiny neuron Striatum Drd1-expressing striatonigral direct pathway medium spiny neuron spike threshold (mV) -42.42 -42.42 (mV) Data Table
Neostriatum medium spiny neuron Striatum Drd2-expressing striatopallidal indirect pathway medium spiny neuron spike threshold (mV) -41.94 -41.94 (mV) Data Table
Neostriatum medium spiny neuron Striatum Drd2-expressing striatopallidal indirect pathway medium spiny neuron resting membrane potential (mV) -64.87 -64.87 (mV) Data Table
Neostriatum medium spiny neuron Striatum Drd1-expressing striatonigral direct pathway medium spiny neuron rheobase (pA) 191.42 191.42 (pA) Data Table
Neostriatum medium spiny neuron Striatum Drd2-expressing striatopallidal indirect pathway medium spiny neuron rheobase (pA) 139.1 139.1 (pA) Data Table
Neostriatum medium spiny neuron Striatum Drd1-expressing striatonigral direct pathway medium spiny neuron FI slope (Hz/pA) 0.16 160.0 (Hz/nA) Data Table
Neostriatum medium spiny neuron Striatum Drd2-expressing striatopallidal indirect pathway medium spiny neuron FI slope (Hz/pA) 0.21 210.0 (Hz/nA) Data Table
Neostriatum medium spiny neuron Striatum Drd1-expressing striatonigral direct pathway medium spiny neuron spike amplitude (mV) 82.23 82.23 (mV) Data Table
Neostriatum medium spiny neuron Striatum Drd2-expressing striatopallidal indirect pathway medium spiny neuron spike amplitude (mV) 82.55 82.55 (mV) Data Table
Neostriatum medium spiny neuron Striatum Drd1-expressing striatonigral direct pathway medium spiny neuron spike width (ms) 3.11 3.11 (ms) Data Table
Neostriatum medium spiny neuron Striatum Drd2-expressing striatopallidal indirect pathway medium spiny neuron spike width (ms) 2.99 2.99 (ms) Data Table
Neostriatum medium spiny neuron Striatum Drd1-expressing striatonigral direct pathway medium spiny neuron spike half-width (ms) 1.16 1.16 (ms) Data Table
Neostriatum medium spiny neuron Striatum Drd2-expressing striatopallidal indirect pathway medium spiny neuron spike half-width (ms) 1.1 1.1 (ms) Data Table