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Article: Inositol 1,4,5-triphosphate drives glutamatergic and cholinergic inhibition selectively in spiny projection neurons in the striatum.

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Clements MA; Swapna I; Morikawa H
J. Neurosci., 2013


Table 1.

Effects of IbTX, apamin, and CPA on electrophysiological properties of SPNs

IbTX (n = 6) Apamin (n = 6) CPA (n = 8) CPA in apamin (n = 4)
Control IbTX Control Apamin Control CPA Apamin CPA
AP threshold (mV) -46.6 ± 1.5 -46.8 ± 1.7 -47.6 ± 1.4 -48.2 ± 1.5 -47.3 ± 1.6 -47.7 ± 1.6 -48.2 ± 1.2 -49.5 ± 1.1
AP half-width (ms) 0.80 ± 0.02 1.05 ± 0.05** 0.72 ± 0.02 0.73 ± 0.02 0.75 ± 0.02 0.76 ± 0.02 0.74 ± 0.02 0.75 ± 0.02
AP decay rate (ms) 0.38 ± 0.02 0.59 ± 0.03** 0.33 ± 0.01 0.33 ± 0.01 0.35 ± 0.01 0.36 ± 0.01 0.34 ± 0.01 0.34 ± 0.00
Latency to first AP (ms) 567 ± 34 510 ± 23 560 ± 25 410 ± 21** 551 ± 37 401 ± 51** 437 ± 17 458 ± 22
Interspike interval (ms) 175 ± 6 174 ± 10 171 ± 8 101 ± 2*** 159 ± 7 116 ± 11** 104 ± 1 108 ± 5
fAHP amplitude (mV) 9.7 ± 0.6 4.0 ± 0.8*** 10.2 ± 1.1 9.8 ± 1.1 11.5 ± 0.4 10.9 ± 0.4 11.1 ± 1.0 11.1 ± 1.1
sAHP amplitude (mV) 14.5 ± 0.5 14.2 ± 0.4 14.5 ± 0.4 11.3 ± 0.6*** 14.4 ± 0.5 12.9 ± 0.4** 12.0 ± 0.3 11.9 ± 0.4
RMP (mV) -87.1 ± 1.6 -87.6 ± 1.3 -89.8 ± 1.1 -90.7 ± 1.3 -89.4 ± 1.7 -90.1 ± 2.0 -91.3 ± 0.9 -91.8 ± 1.0
Input resistance (MΩ) 61.0 ± 9.6 65.6 ± 11.1 53.2 ± 5.2 54.5 ± 5.4 56.1 ± 5.7 56.8 ± 5.5 53.3 ± 8.4 53.6 ± 8.5
  • *p < 0.05;

  • **p < 0.01;

  • ***p < 0.001 (paired t test).


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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 Neostriatum medium spiny GABAergic neurons spike half-width (ms) 0.8 ± 0.02 (6) 0.8 (ms) Data Table
Neostriatum medium spiny neuron Neostriatum medium spiny GABAergic neurons spike half-width (ms) 0.72 ± 0.02 (6) 0.72 (ms) Data Table
Neostriatum medium spiny neuron Neostriatum medium spiny GABAergic neurons spike half-width (ms) 0.75 ± 0.02 (8) 0.75 (ms) Data Table
Neostriatum medium spiny neuron Neostriatum medium spiny GABAergic neurons spike threshold (mV) -46.6 ± 1.5 (6) -46.6 (mV) Data Table
Neostriatum medium spiny neuron Neostriatum medium spiny GABAergic neurons spike decay time (ms) 0.38 ± 0.02 (6) 0.38 (ms) Data Table
Neostriatum medium spiny neuron Neostriatum medium spiny GABAergic neurons spike decay time (ms) 0.33 ± 0.01 (6) 0.33 (ms) Data Table
Neostriatum medium spiny neuron Neostriatum medium spiny GABAergic neurons spike decay time (ms) 0.35 ± 0.01 (8) 0.35 (ms) Data Table
Neostriatum medium spiny neuron Neostriatum medium spiny GABAergic neurons first spike latency (ms) 567.0 ± 34.0 (6) 567.0 (ms) Data Table
Neostriatum medium spiny neuron Neostriatum medium spiny GABAergic neurons first spike latency (ms) 560.0 ± 25.0 (6) 560.0 (ms) Data Table
Neostriatum medium spiny neuron Neostriatum medium spiny GABAergic neurons first spike latency (ms) 551.0 ± 37.0 (8) 551.0 (ms) Data Table
Neostriatum medium spiny neuron Neostriatum medium spiny GABAergic neurons spike threshold (mV) -47.6 ± 1.4 (6) -47.6 (mV) Data Table
Neostriatum medium spiny neuron Neostriatum medium spiny GABAergic neurons fast AHP amplitude (mV) 9.7 ± 0.6 (6) 9.7 (mV) Data Table
Neostriatum medium spiny neuron Neostriatum medium spiny GABAergic neurons fast AHP amplitude (mV) 10.2 ± 1.1 (6) 10.2 (mV) Data Table
Neostriatum medium spiny neuron Neostriatum medium spiny GABAergic neurons fast AHP amplitude (mV) 11.5 ± 0.4 (8) 11.5 (mV) Data Table
Neostriatum medium spiny neuron Neostriatum medium spiny GABAergic neurons slow AHP amplitude (mV) 14.5 ± 0.5 (6) 14.5 (mV) Data Table
Neostriatum medium spiny neuron Neostriatum medium spiny GABAergic neurons slow AHP amplitude (mV) 14.5 ± 0.4 (6) 14.5 (mV) Data Table
Neostriatum medium spiny neuron Neostriatum medium spiny GABAergic neurons spike threshold (mV) -47.3 ± 1.6 (8) -47.3 (mV) Data Table
Neostriatum medium spiny neuron Neostriatum medium spiny GABAergic neurons slow AHP amplitude (mV) 14.4 ± 0.5 (8) 14.4 (mV) Data Table
Neostriatum medium spiny neuron Neostriatum medium spiny GABAergic neurons resting membrane potential (mV) -87.1 ± 1.6 (6) -87.1 (mV) Data Table
Neostriatum medium spiny neuron Neostriatum medium spiny GABAergic neurons resting membrane potential (mV) -89.8 ± 1.1 (6) -89.8 (mV) Data Table
Neostriatum medium spiny neuron Neostriatum medium spiny GABAergic neurons resting membrane potential (mV) -89.4 ± 1.7 (8) -89.4 (mV) Data Table
Neostriatum medium spiny neuron Neostriatum medium spiny GABAergic neurons input resistance (MΩ) 61.0 ± 9.6 (6) 61.0 (MΩ) Data Table
Neostriatum medium spiny neuron Neostriatum medium spiny GABAergic neurons input resistance (MΩ) 53.2 ± 5.2 (6) 53.2 (MΩ) Data Table
Neostriatum medium spiny neuron Neostriatum medium spiny GABAergic neurons input resistance (MΩ) 56.1 ± 5.7 (8) 56.1 (MΩ) Data Table