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Article: Heterogeneity in the basic membrane properties of postnatal gonadotropin-releasing hormone neurons in the mouse.

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Sim JA; Skynner MJ; Herbison AE
J. Neurosci., 2001


Table 2.

Comparison of intrinsic properties of the different GnRH neuronal cell types in juvenile and adult female mice

Adult female Juvenile mice
Type I (D = 10) (E = 11) Type II (D = 12) (E = 4) Type III (D = 3) (E = 2) Type IV (D = 2) (E = 0) Type I (n = 19) Type II (n = 2) Silent (n = 10)
Resting membrane potential (mV) −69.0  ± 1.6 −68.3  ± 1.7 −73.1  ± 3.5 −63.6 −65.4  ± 1.5 −61.9 −67.6  ± 3.4
Input resistance (GΩ) 1.6  ± 0.2 1.3  ± 0.2 1.2  ± 0.1 1.2 1.1  ± 0.2 1.5 0.6  ± 0.4
Time constant (τ) (msec) 52.1  ± 5.2 38.3  ± 4.8 29.7  ± 6.6 35.8 39.0  ± 4.4 57.0 30.8  ± 9.7
Action potential threshold (mV) −33.0  ± 4.4 −38.7  ± 2.0 −31.7  ± 2.7 −44.0 −39.7  ± 1.7 −34.3
Amplitude of action potential (mV) 83.2  ± 2.6 84.8  ± 3.0 90.0  ± 5.0 78.5 83.1  ± 2.8 85.2
Overshoot of action potential (mV) 13.7  ± 3.2 16.0  ± 3.9 20.3  ± 7.0 15.1 18.5  ± 2.0 22.9
Duration of action potential (msec) 1.9  ± 0.2 2.2  ± 0.2 1.9  ± 0.2 1.2 1.8  ± 0.1 2.1
Spontaneously active 76% 75% 100% 50% 89% 50%
Percentage with ADP 43% 25% 60% 0% 32% 50%
Percentage with AHP  5%  6%  0% 50% 37% 50%
  • Numbers (mean ± SEM) of neurons are given in parentheses. D, Diestrous; E, estrous.


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Inferred neuron-electrophysiology data values

Neuron Type Neuron Description Ephys Prop Extracted Value Standardized Value Content Source