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Article: Effects of familial hemiplegic migraine type 1 mutation T666M on voltage-gated calcium channel activities in trigeminal ganglion neurons.

Full Text (publisher's website) ; Article Metadata ; Article Data (extracted)
Tao J; Liu P; Xiao Z; Zhao H; Gerber BR; Cao YQ
J. Neurophysiol., 2012


Table 4.

Intrinsic properties of small IB4− TG neurons expressing hWT or T666M CaV2.1 subunits

Diameter, μm Capacitance, pF Rin, MΩ Vrest, mV Rheobase, pA AP Threshold, mV AP Amplitude, mV AP Half-Width, ms AHP Amplitude, mV Cell Number
hWT 19.0 ± 0.3 21.2 ± 1.7 1130 ± 99 −53 ± 2 83 ± 7 −12 ± 2 110 ± 2 3.9 ± 0.1 −14 ± 2 10
T666M 17.8 ± 0.2 18.7 ± 1.5 1290 ± 90 −49 ± 2 38 ± 3* −16 ± 1 100 ± 4 4.0 ± 0.3 −12 ± 1 8

  • Values are means ± SE. Rin, input resistance; Vrest, resting membrane potential; AP, action potential; AHP, afterhyperpolarization.

  • ↵* P < 0.05, t-test.


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Inferred neuron-electrophysiology data values

Neuron Type Neuron Description Ephys Prop Extracted Value Standardized Value Content Source
Other Trigeminal ganglion neurons cell diameter (μm) 19.0 ± 0.3 (10) 19.0 (um) Data Table
Other Trigeminal ganglion neurons cell capacitance (pF) 21.2 ± 1.7 (10) 21.2 (pF) Data Table
Other Trigeminal ganglion neurons input resistance (MΩ) 1130.0 ± 99.0 (10) 1130.0 (MΩ) Data Table
Other Trigeminal ganglion neurons resting membrane potential (mV) -53.0 ± 2.0 (10) -53.0 (mV) Data Table
Other Trigeminal ganglion neurons rheobase (pA) 83.0 ± 7.0 (10) 83.0 (pA) Data Table
Other Trigeminal ganglion neurons spike threshold (mV) -12.0 ± 2.0 (10) -12.0 (mV) Data Table
Other Trigeminal ganglion neurons spike amplitude (mV) 110.0 ± 2.0 (10) 110.0 (mV) Data Table
Other Trigeminal ganglion neurons spike half-width (ms) 3.9 ± 0.1 (10) 3.9 (ms) Data Table
Other Trigeminal ganglion neurons AHP amplitude (mV) -14.0 ± 2.0 (10) 14.0 (mV) Data Table