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Article: NMDA receptor-dependent long-term potentiation in mouse hippocampal interneurons shows a unique dependence on Ca(2+)/calmodulin-dependent kinases.

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Lamsa K; Irvine EE; Giese KP; Kullmann DM
J. Physiol. (Lond.), 2007


Table 1. Electrophysiological properties of non-pyramidal cell classes were significantly different from those of pyramidal cells

PC (n = 6) NR-RSNP (n = 36) RA-RSNP (n = 6) R-RSNP (n = 6) FS (n = 5) DS (n = 3) IS (n = 2)
The table shows a summary of the analysed electrophysiological properties of the CA1 pyramidal cells (in stratum pyramidale) and the six subtypes of non-pyramidal cells in s. radiatum (including all cells where electrophysiological characterization was successfully studied at the end of the experiment). Non-pyramidal cells are grouped according to their firing profiles. RMP, resting membrane potential; Rin, input resistance; τ, membrane time constant; AHP, afterhyperpolarization. Each parameter of every interneuron group was compared to the corresponding value of the pyramidal cells. Asterisks indicate parameters that differed significantly (P < 0.05) from those of the pyramidal cells (unpaired t test).
RMP (mV) −62.8 ± 2.6   −66.1 ± 7.0   −71.0 ± 6.5*   −65.6 ± 5.9   −59.8 ± 6.4   −65.3 ± 4.1    −62.0
Rin (MOhm) 107 ± 16   325 ± 113*  330 ± 120* 360 ± 95* 284 ± 73* 175 ± 83  470
τ (−10 mV) (ms) 29.8 ± 6.8  15.5 ± 8.7* 17.3 ± 8.1* 15.7 ± 5.1* 13.3 ± 3.1* 24.5 ± 13.5  45.0
Delay to spike (ms) 48.0 ± 13.9  23.5 ± 10.8* 23.0 ± 6.6* 34.3 ± 16.7 21.2 ± 3.1* 136.5 ± 43.5*  150.0
Max firing freq. (Hz) 86 ± 29 104 ± 36  118 ± 25  128 ± 39  206 ± 48* 97 ± 25 70
% freq. adaptation 49 ± 15 41 ± 11  71 ± 13* 41 ± 27  26 ± 10* 34 ± 13 80
AHP amplitude (mV) 4.2 ± 1.2  8.3 ± 2.8* 10.1 ± 3.5* 10.4 ± 3.7* 11.2 ± 3.9* 3.9 ± 1.3   4.5
V-sag (−90 mV) (mV) 1.3 ± 0.7 0*  1.3 ± 2.0 2.9 ± 2.5  7.5 ± 4.8* 2.0 ± 2.9  11.0
Rebound spikes 0 0  0.2 ± 0.4  1.6 ± 0.9*  1.5 ± 1.6* 0 0

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Inferred neuron-electrophysiology data values

Neuron Type Neuron Description Ephys Prop Extracted Value Standardized Value Content Source
Hippocampus CA1 pyramidal cell input resistance 107.0 ± 16.0 (6) 107.0 (MΩ) Data Table
Other Stratum radiatum non-pyramidal regular-spiking non-rebounding cells input resistance 325.0 ± 113.0 325.0 (MΩ) Data Table
Other Stratum radiatum non-pyramidal regular-spiking rapidly adapting cells input resistance 330.0 ± 120.0 330.0 (MΩ) Data Table
Other Stratum radiatum non-pyramidal regular-spiking rebounding cells input resistance 360.0 ± 95.0 360.0 (MΩ) Data Table
Other Stratum radiatum fast-spiking interneurons input resistance 284.0 ± 73.0 (5) 284.0 (MΩ) Data Table
Other Stratum radiatum delayed spiking interneurons input resistance 175.0 ± 83.0 175.0 (MΩ) Data Table
Other Stratum radiatum irregularly spiking interneurons input resistance 470.0 470.0 (MΩ) Data Table
Hippocampus CA1 pyramidal cell membrane time constant 29.8 ± 6.8 (6) 29.8 (ms) Data Table
Other Stratum radiatum non-pyramidal regular-spiking non-rebounding cells membrane time constant 15.5 ± 8.7 15.5 (ms) Data Table
Other Stratum radiatum non-pyramidal regular-spiking rapidly adapting cells membrane time constant 17.3 ± 8.1 17.3 (ms) Data Table
Other Stratum radiatum non-pyramidal regular-spiking rebounding cells membrane time constant 15.7 ± 5.1 15.7 (ms) Data Table
Other Stratum radiatum fast-spiking interneurons membrane time constant 13.3 ± 3.1 (5) 13.3 (ms) Data Table
Other Stratum radiatum delayed spiking interneurons membrane time constant 24.5 ± 13.5 24.5 (ms) Data Table
Other Stratum radiatum irregularly spiking interneurons membrane time constant 45.0 45.0 (ms) Data Table
Hippocampus CA1 pyramidal cell first spike latency (ms) 48.0 ± 13.9 (6) 48.0 (ms) Data Table
Other Stratum radiatum non-pyramidal regular-spiking non-rebounding cells first spike latency (ms) 23.5 ± 10.8 23.5 (ms) Data Table
Other Stratum radiatum non-pyramidal regular-spiking rapidly adapting cells first spike latency (ms) 23.0 ± 6.6 23.0 (ms) Data Table
Hippocampus CA1 pyramidal cell resting membrane potential (mV) -62.8 ± 2.6 (6) -62.8 (mV) Data Table
Other Stratum radiatum non-pyramidal regular-spiking rebounding cells first spike latency (ms) 34.3 ± 16.7 34.3 (ms) Data Table
Other Stratum radiatum fast-spiking interneurons first spike latency (ms) 21.2 ± 3.1 (5) 21.2 (ms) Data Table
Other Stratum radiatum delayed spiking interneurons first spike latency (ms) 136.5 ± 43.5 136.5 (ms) Data Table
Other Stratum radiatum irregularly spiking interneurons first spike latency (ms) 150.0 150.0 (ms) Data Table
Hippocampus CA1 pyramidal cell maximum firing rate (Hz) 86.0 ± 29.0 (6) 86.0 (Hz) Data Table
Other Stratum radiatum non-pyramidal regular-spiking non-rebounding cells maximum firing rate (Hz) 104.0 ± 36.0 104.0 (Hz) Data Table
Other Stratum radiatum non-pyramidal regular-spiking rapidly adapting cells maximum firing rate (Hz) 118.0 ± 25.0 118.0 (Hz) Data Table
Other Stratum radiatum non-pyramidal regular-spiking rebounding cells maximum firing rate (Hz) 128.0 ± 39.0 128.0 (Hz) Data Table
Other Stratum radiatum fast-spiking interneurons maximum firing rate (Hz) 206.0 ± 48.0 (5) 206.0 (Hz) Data Table
Other Stratum radiatum non-pyramidal regular-spiking non-rebounding cells resting membrane potential (mV) -66.1 ± 7.0 -66.1 (mV) Data Table
Other Stratum radiatum delayed spiking interneurons maximum firing rate (Hz) 97.0 ± 25.0 97.0 (Hz) Data Table
Other Stratum radiatum irregularly spiking interneurons maximum firing rate (Hz) 70.0 70.0 (Hz) Data Table
Hippocampus CA1 pyramidal cell adaptation percent (1 – first/last ISI) 49.0 ± 15.0 (6) 49.0 (ratio) Data Table
Other Stratum radiatum non-pyramidal regular-spiking non-rebounding cells adaptation percent (1 – first/last ISI) 41.0 ± 11.0 41.0 (ratio) Data Table
Other Stratum radiatum non-pyramidal regular-spiking rapidly adapting cells adaptation percent (1 – first/last ISI) 71.0 ± 13.0 71.0 (ratio) Data Table
Other Stratum radiatum non-pyramidal regular-spiking rebounding cells adaptation percent (1 – first/last ISI) 41.0 ± 27.0 41.0 (ratio) Data Table
Other Stratum radiatum fast-spiking interneurons adaptation percent (1 – first/last ISI) 26.0 ± 10.0 (5) 26.0 (ratio) Data Table
Other Stratum radiatum delayed spiking interneurons adaptation percent (1 – first/last ISI) 34.0 ± 13.0 34.0 (ratio) Data Table
Other Stratum radiatum irregularly spiking interneurons adaptation percent (1 – first/last ISI) 80.0 80.0 (ratio) Data Table
Other Stratum radiatum non-pyramidal regular-spiking rapidly adapting cells resting membrane potential (mV) -71.0 ± 6.5 -71.0 (mV) Data Table
Hippocampus CA1 pyramidal cell AHP amplitude (mV) 4.2 ± 1.2 (6) 4.2 (mV) Data Table
Other Stratum radiatum non-pyramidal regular-spiking non-rebounding cells AHP amplitude (mV) 8.3 ± 2.8 8.3 (mV) Data Table
Other Stratum radiatum non-pyramidal regular-spiking rapidly adapting cells AHP amplitude (mV) 10.1 ± 3.5 10.1 (mV) Data Table
Other Stratum radiatum non-pyramidal regular-spiking rebounding cells AHP amplitude (mV) 10.4 ± 3.7 10.4 (mV) Data Table
Other Stratum radiatum fast-spiking interneurons AHP amplitude (mV) 11.2 ± 3.9 (5) 11.2 (mV) Data Table
Other Stratum radiatum delayed spiking interneurons AHP amplitude (mV) 3.9 ± 1.3 3.9 (mV) Data Table
Other Stratum radiatum irregularly spiking interneurons AHP amplitude (mV) 4.5 4.5 (mV) Data Table
Hippocampus CA1 pyramidal cell sag amplitude 1.3 ± 0.7 (6) 1.3 (mV) Data Table
Other Stratum radiatum non-pyramidal regular-spiking rebounding cells resting membrane potential (mV) -65.6 ± 5.9 -65.6 (mV) Data Table
Other Stratum radiatum non-pyramidal regular-spiking rapidly adapting cells sag amplitude 1.3 ± 2.0 1.3 (mV) Data Table
Other Stratum radiatum non-pyramidal regular-spiking rebounding cells sag amplitude 2.9 ± 2.5 2.9 (mV) Data Table
Other Stratum radiatum fast-spiking interneurons sag amplitude 7.5 ± 4.8 (5) 7.5 (mV) Data Table
Other Stratum radiatum delayed spiking interneurons sag amplitude 2.0 ± 2.9 2.0 (mV) Data Table
Other Stratum radiatum irregularly spiking interneurons sag amplitude 11.0 11.0 (mV) Data Table
Other Stratum radiatum fast-spiking interneurons resting membrane potential (mV) -59.8 ± 6.4 (5) -59.8 (mV) Data Table
Other Stratum radiatum delayed spiking interneurons resting membrane potential (mV) -65.3 ± 4.1 -65.3 (mV) Data Table
Other Stratum radiatum irregularly spiking interneurons resting membrane potential (mV) -62.0 -62.0 (mV) Data Table