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Article: Effect of adrenalectomy on membrane properties and synaptic potentials in rat dentate granule cells.

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Joëls M; Stienstra C; Karten Y
J. Neurophysiol., 2001


Table 1.

Passive membrane and action potential (AP) properties of dentate granule cells after sham operation (Sham), adrenalectomy (ADX), or ADX with in vivo corticosterone replacement (ADX/Cort)

Sham ADX ADX/Cort
RMP, mV −77 ± 1 (21) −75 ± 1 (20) −76 ± 1 (19)
R in, MΩ 82 ± 7 (17)* 86 ± 6 (17) 99 ± 8 (19)
Cells without AP (% of total) 9 (43) 6 (30) 9 (47)
AP amplitude, mV 74.9 ± 3.5 (12) 67.2 ± 2.7 (14) 72.32 ± 5.3 (10)
AP width, ms 1.29 ± 0.12 (12) 1.44 ± 0.13 (14) 1.47 ± 0.10 (10)
AP rise time, ms 0.46 ± 0.03 (12) 0.64 ± 0.08 (14) 0.53 ± 0.02 (10)
AP threshold, mV −55.3 ± 3.0 (12) −54.6 ± 2.3 (14) −56.5 ± 3.5 (10)
  • Data represent means ± SE. The number of cells on which the average is based is given in parentheses. * R inwas calculated from the peak voltage deflection during a −0.3-nA current pulse of 180 ms duration. In a limited number of cells from which the RMP was established, no reliable estimates forR in were obtained. † Significantly (P < 0.05) different from the sham group.


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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 spike amplitude (mV) 74.9 ± 3.5 (12) 74.9 (mV) Data Table
Dentate gyrus granule cell spike width (ms) 1.29 ± 0.12 (12) 1.29 (ms) Data Table
Dentate gyrus granule cell resting membrane potential (mV) -77.0 ± 1.0 (21) -77.0 (mV) Data Table
Dentate gyrus granule cell spike rise time (ms) 0.46 ± 0.03 (12) 0.46 (ms) Data Table
Dentate gyrus granule cell spike threshold (mV) -55.3 ± 3.0 (12) -55.3 (mV) Data Table
Dentate gyrus granule cell input resistance (MΩ) 82.0 ± 7.0 (17) 82.0 (MΩ) Data Table