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Article: Maternal diabetes increases small conductance Ca2+-activated K+ (SK) currents that alter action potential properties and excitability of cardiac motoneurons in the nucleus ambiguus.

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Lin M; Chen QH; Wurster RD; Hatcher JT; Liu YQ; Li L; Harden SW; Cheng ZJ
J. Neurophysiol., 2010


Table 2.

Passive membrane properties and action potentials of parasympathetic cardiac neurons of control and NMDM

Group Vm, mV Rin, MΩ Cm, pF AP Threshold, mV AP Amplitude, mV
Control −70.3 ± 1.1 (17) 246.6 ± 19.0 (15) 60.8 ± 2.8 (15) −40.8 ± 1.2 (10) 85.5 ± 2.0 (15)
NMDM −71.4 ± 1.6 (17) 222.1 ± 10.8 (15) 61.6 ± 1.4 (15) −43.2 ± 1.6 (10) 85.5 ± 1.5 (15)
  • Passive membrane properties of parasympathetic cardiac motoneurons (PCMNs) of the nucleus ambiguus (NA) in control and NMDM. No significances were found between control and NMDM. Values in parenthesis indicate the number of cells recorded. Vm, resting membrane potential; Rin, input resistance; Cm, membrane capacitance.


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Inferred neuron-electrophysiology data values

Neuron Type Neuron Description Ephys Prop Extracted Value Standardized Value Content Source
Nucleus ambiguus motor neuron resting membrane potential (mV) -70.3 ± 1.1 (17) -70.3 (mV) Data Table
Nucleus ambiguus motor neuron input resistance (MΩ) 246.6 ± 19.0 (15) 246.6 (MΩ) Data Table
Nucleus ambiguus motor neuron cell capacitance (pF) 60.8 ± 2.8 (15) 60.8 (pF) Data Table
Nucleus ambiguus motor neuron spike threshold (mV) -40.8 ± 1.2 (10) -40.8 (mV) Data Table
Nucleus ambiguus motor neuron spike amplitude (mV) 85.5 ± 2.0 (15) 85.5 (mV) Data Table