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Article: Electrophysiological characterization of granule cells in the dentate gyrus immediately after birth.

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Pedroni A; Minh do D; Mallamaci A; Cherubini E
Front Cell Neurosci, 2014


Passive and active membrane properties of granule cells at P0–P3 (*p < 0.05; **p < 0.01).

Immature neurons with rudimentary spikes More mature neurons with overshooting action potentials and repetitive firing
n 36 27
C (pF) 14 ± 1 17 ± 1*
RMP (mV) -38 ± 1 -40 ± 1
R in (GΩ) 1.4 ± 0.1 1 ± 0.1**
τ (ms) 283 ± 23 285 ± 25
Spike threshold (mV) -26 ± 1 -34 ± 1**
Spike amplitude (mV) 13 ± 1 22 ± 2**
Spike half-width (ms) 6.1 ± 0.6 3.8 ± 0.2**

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Inferred neuron-electrophysiology data values

Neuron Type Neuron Description Ephys Prop Extracted Value Standardized Value Content Source
Dentate gyrus granule cell Dentate gyrus immature granule cell with rudimentary spikes input resistance (GΩ) 1.4 ± 0.1 (36) 1400.0 (MΩ) Data Table
Dentate gyrus granule cell Dentate gyrus more mature granule cell with overshooting action potentials input resistance (GΩ) 1.0 ± 0.1 (27) 1000.0 (MΩ) Data Table
Dentate gyrus granule cell Dentate gyrus immature granule cell with rudimentary spikes membrane time constant (ms) 283.0 ± 23.0 (36) -- Data Table
Dentate gyrus granule cell Dentate gyrus more mature granule cell with overshooting action potentials membrane time constant (ms) 285.0 ± 25.0 (27) -- Data Table
Dentate gyrus granule cell Dentate gyrus immature granule cell with rudimentary spikes spike threshold (mV) -26.0 ± 1.0 (36) -26.0 (mV) Data Table
Dentate gyrus granule cell Dentate gyrus more mature granule cell with overshooting action potentials spike threshold (mV) -34.0 ± 1.0 (27) -34.0 (mV) Data Table
Dentate gyrus granule cell Dentate gyrus immature granule cell with rudimentary spikes spike amplitude from resting (mV) 13.0 ± 1.0 (36) 13.0 (mV) Data Table
Dentate gyrus granule cell Dentate gyrus more mature granule cell with overshooting action potentials spike amplitude from resting (mV) 22.0 ± 2.0 (27) 22.0 (mV) Data Table
Dentate gyrus granule cell Dentate gyrus immature granule cell with rudimentary spikes spike half-width (ms) 6.1 ± 0.6 (36) 6.1 (ms) Data Table
Dentate gyrus granule cell Dentate gyrus more mature granule cell with overshooting action potentials spike half-width (ms) 3.8 ± 0.2 (27) 3.8 (ms) Data Table
Dentate gyrus granule cell Dentate gyrus immature granule cell with rudimentary spikes cell capacitance (pF) 14.0 ± 1.0 (36) 14.0 (pF) Data Table
Dentate gyrus granule cell Dentate gyrus more mature granule cell with overshooting action potentials cell capacitance (pF) 17.0 ± 1.0 (27) 17.0 (pF) Data Table
Dentate gyrus granule cell Dentate gyrus immature granule cell with rudimentary spikes resting membrane potential (mV) -38.0 ± 1.0 (36) -38.0 (mV) Data Table
Dentate gyrus granule cell Dentate gyrus more mature granule cell with overshooting action potentials resting membrane potential (mV) -40.0 ± 1.0 (27) -40.0 (mV) Data Table