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Article: Quantitative chemical composition of cortical GABAergic neurons revealed in transgenic venus-expressing rats.

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Uematsu M; Hirai Y; Karube F; Ebihara S; Kato M; Abe K; Obata K; Yoshida S; Hirabayashi M; Yanagawa Y; Kawaguchi Y
Cereb. Cortex, 2008


Table 4

Electrophysiological properties of nonpyramidal cell subtypes in frontal cortex of VGAT-Venus rats

Cell type N Resting potential (mV) Input resistance (MΩ) Spike half-width (ms) Threshold currenta (pA)
PV-FS cells (layer V) 11 -71 ± 3 73 ± 15 0.41 ± 0.07 378 ± 88
SOM-RSNP cells (layer V) 7 -62 ± 3 170 ± 40 0.57 ± 0.04 71 ± 37
SOM-BSNP cells (layer V) 8 -60 ± 4 417 ± 138 0.6 ± 0.12 38 ± 33
αAc2-LS cells (layer II/III, V) 6b -68 ± 2 126 ± 26 0.69 ± 0.06 178 ± 39
ANOVA/post hoc test SOM > PV SOM > PV SOM > PV PV > SOM
(Tukey test, P < 0.05) SOM > αAc2 SOM-BSNP > SOM-RS αAc2 > PV PV > αAc2
SOM-BSNP > αAc2 αAc2 > SOM

  • Note: Data are mean ± SD. N, number of cells. PV, parvalbumin; SOM, somatostatin; αAc2, α-actinin-2.

  • ↵a Depolarizing current pulse of 0.5 s to induce spikes.

  • ↵b 4 in layer II/III and 2 in layer V.


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Inferred neuron-electrophysiology data values

Neuron Type Neuron Description Ephys Prop Extracted Value Standardized Value Content Source
Neocortex basket cell Frontal cortex layer 5 fast-spiking GABAergic Venus-expressing parvalbumin positive basket cell resting membrane potential (mV) -71.0 ± 3.0 (11) -71.0 (mV) Data Table
Neocortex basket cell Frontal cortex layer 5 fast-spiking GABAergic Venus-expressing parvalbumin positive basket cell input resistance (MΩ) 73.0 ± 15.0 (11) 73.0 (MΩ) Data Table
Neocortex basket cell Frontal cortex layer 5 fast-spiking GABAergic Venus-expressing parvalbumin positive basket cell spike half-width (ms) 0.41 ± 0.07 (11) 0.41 (ms) Data Table
Neocortex basket cell Frontal cortex layer 5 fast-spiking GABAergic Venus-expressing parvalbumin positive basket cell rheobase (pA) 378.0 ± 88.0 (11) 378.0 (pA) Data Table
Neocortex Martinotti cell Frontal cortex layer 5 regular-spiking nonpyramidal GABAergic Venus-expressing somatostatin-positive Martinotti cell resting membrane potential (mV) -62.0 ± 3.0 (7) -62.0 (mV) Data Table
Neocortex Martinotti cell Frontal cortex layer 5 regular-spiking nonpyramidal GABAergic Venus-expressing somatostatin-positive Martinotti cell input resistance (MΩ) 170.0 ± 40.0 (7) 170.0 (MΩ) Data Table
Neocortex Martinotti cell Frontal cortex layer 5 regular-spiking nonpyramidal GABAergic Venus-expressing somatostatin-positive Martinotti cell spike half-width (ms) 0.57 ± 0.04 (7) 0.57 (ms) Data Table
Neocortex Martinotti cell Frontal cortex layer 5 regular-spiking nonpyramidal GABAergic Venus-expressing somatostatin-positive Martinotti cell rheobase (pA) 71.0 ± 37.0 (7) 71.0 (pA) Data Table
Neocortex Martinotti cell Frontal cortex layer 5 burst-spiking nonpyramidal GABAergic Venus-expressing somatostatin-positive Martinotti neuron resting membrane potential (mV) -60.0 ± 4.0 (8) -60.0 (mV) Data Table
Neocortex Martinotti cell Frontal cortex layer 5 burst-spiking nonpyramidal GABAergic Venus-expressing somatostatin-positive Martinotti neuron input resistance (MΩ) 417.0 ± 138.0 (8) 417.0 (MΩ) Data Table
Neocortex Martinotti cell Frontal cortex layer 5 burst-spiking nonpyramidal GABAergic Venus-expressing somatostatin-positive Martinotti neuron spike half-width (ms) 0.6 ± 0.12 (8) 0.6 (ms) Data Table
Neocortex Martinotti cell Frontal cortex layer 5 burst-spiking nonpyramidal GABAergic Venus-expressing somatostatin-positive Martinotti neuron rheobase (pA) 38.0 ± 33.0 (8) 38.0 (pA) Data Table
Neocortex uncharacterized cell Frontal cortex layer 2-3 and layer 5 α-actinin-2–positive late-spiking Venus-expressing GABAergic neurogliaform cell resting membrane potential (mV) -68.0 ± 2.0 (6) -68.0 (mV) Data Table
Neocortex uncharacterized cell Frontal cortex layer 2-3 and layer 5 α-actinin-2–positive late-spiking Venus-expressing GABAergic neurogliaform cell input resistance (MΩ) 126.0 ± 26.0 (6) 126.0 (MΩ) Data Table
Neocortex uncharacterized cell Frontal cortex layer 2-3 and layer 5 α-actinin-2–positive late-spiking Venus-expressing GABAergic neurogliaform cell spike half-width (ms) 0.69 ± 0.06 (6) 0.69 (ms) Data Table
Neocortex uncharacterized cell Frontal cortex layer 2-3 and layer 5 α-actinin-2–positive late-spiking Venus-expressing GABAergic neurogliaform cell rheobase (pA) 178.0 ± 39.0 (6) 178.0 (pA) Data Table