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Article: Differential contribution of kainate receptors to excitatory postsynaptic currents in superficial layer neurons of the rat medial entorhinal cortex.

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West PJ; Dalpé-Charron A; Wilcox KS
Neuroscience, 2007


Table 1Electroresponsive membrane properties of superficial layer neurons in the mEC
TypeSag (%)RMP (mV)RPEAK (MΩ)RSS (MΩ)τ (ms)Action potential
Threshold (mV)Amplitude (mV)Half duration (ms)DAP or AHP amplitude (mV)
S44.2±3.3−55.1±0.6‡50.1±4.428.2±3.3¶16.7±0.8−44.5±0.671.5±4.91.8±0.12.0±0.7
IS27.8±4.2⁎−58.8±0.355.1±5.039.1±2.8⁎19.8±2.5−38.2±0.5̂75.1±5.81.8±0.1−5.9±0.8
NS4.3±0.2†−60.9±1.3109.2±13.6§103.4±12.9♢18.2±1.9−40.3±1.1⁎73.7±4.62.0±0.1
Values represent mean±S.E.M. N = 5 for all values. RMP, resting membrane potential; RPEAK, resistance measured at the peak voltage deflection; RSS, resistance measured at the steady state voltage deflection. All statistics were performed using the Student’s t-test.⁎P<0.05 vs. S.†P<0.001 vs. S or IS.‡P<0.01 vs. IS or NS.§P<0.01 vs. S or IS.¶P<0.001 vs. NS.♢P<0.01 vs. IS.̂P<0.001 vs. S.

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Inferred neuron-electrophysiology data values

Neuron Type Neuron Description Ephys Prop Extracted Value Standardized Value Content Source
Medial entorhinal cortex layer II stellate cell Stellate-like “Sag” neurons in layer II of medial entorhinal cortex sag ratio 44.2 ± 3.3 (5) 0.442 (ratio) Data Table
Medial entorhinal cortex layer II stellate cell Stellate-like “Sag” neurons in layer II of medial entorhinal cortex resting membrane potential (mV) -55.1 ± 0.6 (5) -55.1 (mV) Data Table
Medial entorhinal cortex layer II stellate cell Stellate-like “Sag” neurons in layer II of medial entorhinal cortex other (MΩ) 50.1 ± 4.4 (5) 50.1 (None) Data Table
Medial entorhinal cortex layer II stellate cell Stellate-like “Sag” neurons in layer II of medial entorhinal cortex input resistance (MΩ) 28.2 ± 3.3 (5) 28.2 (MΩ) Data Table
Medial entorhinal cortex layer II stellate cell Stellate-like “Sag” neurons in layer II of medial entorhinal cortex membrane time constant (ms) 16.7 ± 0.8 (5) 16.7 (ms) Data Table
Medial entorhinal cortex layer II stellate cell Stellate-like “Sag” neurons in layer II of medial entorhinal cortex spike threshold (mV) -44.5 ± 0.6 (5) -44.5 (mV) Data Table
Medial entorhinal cortex layer II stellate cell Stellate-like “Sag” neurons in layer II of medial entorhinal cortex spike amplitude (mV) 71.5 ± 4.9 (5) 71.5 (mV) Data Table
Medial entorhinal cortex layer II stellate cell Stellate-like “Sag” neurons in layer II of medial entorhinal cortex spike half-width (ms) 1.8 ± 0.1 (5) 1.8 (ms) Data Table
Medial entorhinal cortex layer II stellate cell Stellate-like “Sag” neurons in layer II of medial entorhinal cortex AHP amplitude (mV) 2.0 ± 0.7 (5) 2.0 (mV) Data Table
Other Medial entorhinal cortex layer 2/3 cell with Intermediate Sag sag ratio 27.8 ± 4.2 (5) 0.278 (ratio) Data Table
Other Medial entorhinal cortex layer 2/3 cell with Intermediate Sag resting membrane potential (mV) -58.8 ± 0.3 (5) -58.8 (mV) Data Table
Other Medial entorhinal cortex layer 2/3 cell with Intermediate Sag other (MΩ) 55.1 ± 5.0 (5) 55.1 (None) Data Table
Other Medial entorhinal cortex layer 2/3 cell with Intermediate Sag input resistance (MΩ) 39.1 ± 2.8 (5) 39.1 (MΩ) Data Table
Other Medial entorhinal cortex layer 2/3 cell with Intermediate Sag membrane time constant (ms) 19.8 ± 2.5 (5) 19.8 (ms) Data Table
Other Medial entorhinal cortex layer 2/3 cell with Intermediate Sag spike threshold (mV) -38.2 ± 0.5 (5) -38.2 (mV) Data Table
Other Medial entorhinal cortex layer 2/3 cell with Intermediate Sag spike amplitude (mV) 75.1 ± 5.8 (5) 75.1 (mV) Data Table
Other Medial entorhinal cortex layer 2/3 cell with Intermediate Sag spike half-width (ms) 1.8 ± 0.1 (5) 1.8 (ms) Data Table
Other Medial entorhinal cortex layer 2/3 cell with Intermediate Sag AHP amplitude (mV) -5.9 ± 0.8 (5) 5.9 (mV) Data Table
Medial entorhinal cortex layer III pyramidal cell Pyramidal like "Sag" neurons in layer III of mEC sag ratio 4.3 ± 0.2 (5) 0.043 (ratio) Data Table
Medial entorhinal cortex layer III pyramidal cell Pyramidal like "Sag" neurons in layer III of mEC resting membrane potential (mV) -60.9 ± 1.3 (5) -60.9 (mV) Data Table
Medial entorhinal cortex layer III pyramidal cell Pyramidal like "Sag" neurons in layer III of mEC other (MΩ) 109.2 ± 13.6 (5) 109.2 (None) Data Table
Medial entorhinal cortex layer III pyramidal cell Pyramidal like "Sag" neurons in layer III of mEC input resistance (MΩ) 103.4 ± 12.9 (5) 103.4 (MΩ) Data Table
Medial entorhinal cortex layer III pyramidal cell Pyramidal like "Sag" neurons in layer III of mEC membrane time constant (ms) 18.2 ± 1.9 (5) 18.2 (ms) Data Table
Medial entorhinal cortex layer III pyramidal cell Pyramidal like "Sag" neurons in layer III of mEC spike threshold (mV) -40.3 ± 1.1 (5) -40.3 (mV) Data Table
Medial entorhinal cortex layer III pyramidal cell Pyramidal like "Sag" neurons in layer III of mEC spike amplitude (mV) 73.7 ± 4.6 (5) 73.7 (mV) Data Table
Medial entorhinal cortex layer III pyramidal cell Pyramidal like "Sag" neurons in layer III of mEC spike half-width (ms) 2.0 ± 0.1 (5) 2.0 (ms) Data Table
Medial entorhinal cortex layer III pyramidal cell Pyramidal like "Sag" neurons in layer III of mEC AHP amplitude (mV) 160.0 (5) -- Data Table