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Article: Distinct subtypes of cholecystokinin (CCK)-containing interneurons of the basolateral amygdala identified using a CCK promoter-specific lentivirus.

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Jasnow AM; Ressler KJ; Hammack SE; Chhatwal JP; Rainnie DG
J. Neurophysiol., 2009


TABLE 1.

Electrophysiological properties of CCK+ and pyramidal neurons of the BLA

Property Type I (n = 13) 23% Type II (n = 35) 61% Type III (n = 9) 16% Pyramidal Cells (n = 13)
Rin, MΩ* P < 0.001 280 ± 513,PN 230 ± 173,PN 521 ± 911,2,PN 59 ± 3.41,2,3
Tau, ms P = 0.077 18.8 ± 2.43 22.6 ± 1.5 29.3 ± 5.91,PN 17 ± 1.43
RMP, mV* P < 0.001 −68 ± 0.92,3,PN −61 ± 0.91 −58 ± 0.71 −61 ± 0.81
ISI1, ms* P < 0.001 39.8 ± 5.6PN 32.4 ± 4.43,PN 62.9 ± 15.212,PN 13.4 ± 5.41,2,3
ISIlast, ms P = 0.62 77 ± 11.12,3 113 ± 9.31 138 ± 25.91 110.5 ± 30.7
Spike adaptation ratio* P < 0.001 0.56 ± 0.062,PN 0.29 ± 0.031,PN 0.45 ± 0.08PN 0.19 ± 0.081,2,3
Sag ratio* P < 0.001 0.006 ± 0.0012,3,PN 0.04 ± 0.0061,3,PN 0.064 ± 0.011,2 0.062 ± 0.0061,2
Rectification ratio* P = 0.011 1.68 ± 0.23 1.55 ± 0.063,PN 1.11 ± 0.071,2 1.27 ± 0.072
Medium AHP, mV* P = 0.002 1.4 ± 0.42,3,PN 2.2 ± 0.21 3.5 ± 0.81 3.4 ± 0.51
Fast AHP, mV* P = 0.016 12.4 ± 1.8 9.1 ± 1.03 16.1 ± 1.72,PN 6.9 ± 0.93
Threshold, mV* P = 0.012 −44 ± 1.13 −45 ± 0.73 −39 ± 1.51,2,PN −43 ± 1.03
AP amplitude, mV* P < 0.001 75 ± 4.82,3,PN 85 ± 2.81,3 58 ± 4.61,2,PN 92.1 ± 2.91,3
AP half-width, ms* P < 0.001 1.03 ± 0.092PN 1.06 ± 0.055PN 1.01 ± 0.095PN 0.74 ± 0.0521,2,3
Rise time, ms P = 0.052 0.45 ± 0.044 0.46 ± 0.027PN 0.47 ± 0.036PN 0.33 ± 0.032,3
Decay time, ms* P = 0.036 0.89 ± 0.11 1.13 ± 0.18PN 0.75 ± 0.06 0.62 ± 0.072
  • Values are means ± SE. Electrophysiological properties in bold are those used for clustering interneurons into subtypes. Asterisks (

  • * ) indicate a significant difference among cell types based on an ANOVA, P < 0.05 (P values indicated). Superscript following the SE indicates cell type differences based on Fisher's post hoc analysis, P < 0.05. 1, Type I; 2, Type II; 3, Type III; PN, pyramidal neuron.


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Inferred neuron-electrophysiology data values

Neuron Type Neuron Description Ephys Prop Extracted Value Standardized Value Content Source
Amygdala basolateral nucleus pyramidal neuron membrane time constant 17.0 ± 1.43 (13) 17.0 (ms) Data Table
Other basolateral amygdala CCK containing Type 1 interneurons resting membrane potential -68.0 ± 0.92 (13) -68.0 (mV) Data Table
Other basolateral amygdala CCK containing Type 2 interneurons resting membrane potential -61.0 ± 0.91 (35) -61.0 (mV) Data Table
Other basolateral amygdala CCK containing Type 3 interneurons resting membrane potential -58.0 ± 0.71 (9) -58.0 (mV) Data Table
Amygdala basolateral nucleus pyramidal neuron resting membrane potential -61.0 ± 0.81 (13) -61.0 (mV) Data Table
Other basolateral amygdala CCK containing Type 1 interneurons input resistance 280.0 ± 513.0 (13) 280.0 (MΩ) Data Table
Other basolateral amygdala CCK containing Type 1 interneurons adaptation ratio (P) 0.56 ± 0.062 (13) 0.56 (ratio) Data Table
Other basolateral amygdala CCK containing Type 2 interneurons adaptation ratio (P) 0.29 ± 0.031 (35) 0.29 (ratio) Data Table
Other basolateral amygdala CCK containing Type 3 interneurons adaptation ratio (P) 0.45 ± 0.08 (9) 0.45 (ratio) Data Table
Other basolateral amygdala CCK containing Type 2 interneurons input resistance 230.0 ± 173.0 (35) 230.0 (MΩ) Data Table
Amygdala basolateral nucleus pyramidal neuron adaptation ratio (P) 0.19 ± 0.081 (13) 0.19 (ratio) Data Table
Other basolateral amygdala CCK containing Type 1 interneurons sag ratio (P) 0.006 ± 0.0012 (13) -- Data Table
Other basolateral amygdala CCK containing Type 2 interneurons sag ratio (P) 0.04 ± 0.0061 (35) -- Data Table
Other basolateral amygdala CCK containing Type 3 interneurons sag ratio (P) 0.064 ± 0.011 (9) -- Data Table
Amygdala basolateral nucleus pyramidal neuron sag ratio (P) 0.062 ± 0.0061 (13) 0.938 (ratio) Data Table
Other basolateral amygdala CCK containing Type 3 interneurons input resistance 521.0 ± 911.0 (9) 521.0 (MΩ) Data Table
Other basolateral amygdala CCK containing Type 1 interneurons medium AHP amplitude 1.4 ± 0.42 (13) 1.4 (mV) Data Table
Other basolateral amygdala CCK containing Type 2 interneurons medium AHP amplitude 2.2 ± 0.21 (35) 2.2 (mV) Data Table
Other basolateral amygdala CCK containing Type 3 interneurons medium AHP amplitude 3.5 ± 0.81 (9) 3.5 (mV) Data Table
Amygdala basolateral nucleus pyramidal neuron medium AHP amplitude 3.4 ± 0.51 (13) 3.4 (mV) Data Table
Other basolateral amygdala CCK containing Type 1 interneurons fast AHP amplitude 12.4 ± 1.8 (13) 12.4 (mV) Data Table
Other basolateral amygdala CCK containing Type 2 interneurons fast AHP amplitude 9.1 ± 1.03 (35) 9.1 (mV) Data Table
Other basolateral amygdala CCK containing Type 3 interneurons fast AHP amplitude 16.1 ± 1.72 (9) 16.1 (mV) Data Table
Amygdala basolateral nucleus pyramidal neuron input resistance 59.0 ± 3.41 (13) 59.0 (MΩ) Data Table
Amygdala basolateral nucleus pyramidal neuron fast AHP amplitude 6.9 ± 0.93 (13) 6.9 (mV) Data Table
Other basolateral amygdala CCK containing Type 1 interneurons spike threshold -44.0 ± 1.13 (13) -44.0 (mV) Data Table
Other basolateral amygdala CCK containing Type 2 interneurons spike threshold -45.0 ± 0.73 (35) -45.0 (mV) Data Table
Other basolateral amygdala CCK containing Type 3 interneurons spike threshold -39.0 ± 1.51 (9) -39.0 (mV) Data Table
Amygdala basolateral nucleus pyramidal neuron spike threshold -43.0 ± 1.03 (13) -43.0 (mV) Data Table
Other basolateral amygdala CCK containing Type 1 interneurons spike amplitude 75.0 ± 4.82 (13) 75.0 (mV) Data Table
Other basolateral amygdala CCK containing Type 2 interneurons spike amplitude 85.0 ± 2.81 (35) 85.0 (mV) Data Table
Other basolateral amygdala CCK containing Type 3 interneurons spike amplitude 58.0 ± 4.61 (9) 58.0 (mV) Data Table
Amygdala basolateral nucleus pyramidal neuron spike amplitude 92.1 ± 2.91 (13) 92.1 (mV) Data Table
Other basolateral amygdala CCK containing Type 1 interneurons spike half-width 1.03 ± 0.092 (13) 1.03 (ms) Data Table
Other basolateral amygdala CCK containing Type 2 interneurons spike half-width 1.06 ± 0.055 (35) 1.06 (ms) Data Table
Other basolateral amygdala CCK containing Type 3 interneurons spike half-width 1.01 ± 0.095 (9) 1.01 (ms) Data Table
Amygdala basolateral nucleus pyramidal neuron spike half-width 0.74 ± 0.0521 (13) 0.74 (ms) Data Table
Other basolateral amygdala CCK containing Type 1 interneurons spike rise time 0.45 ± 0.044 (13) 0.45 (ms) Data Table
Other basolateral amygdala CCK containing Type 2 interneurons spike rise time 0.46 ± 0.027 (35) 0.46 (ms) Data Table
Other basolateral amygdala CCK containing Type 3 interneurons spike rise time 0.47 ± 0.036 (9) 0.47 (ms) Data Table
Other basolateral amygdala CCK containing Type 1 interneurons membrane time constant 18.8 ± 2.43 (13) 18.8 (ms) Data Table
Amygdala basolateral nucleus pyramidal neuron spike rise time 0.33 ± 0.032 (13) 0.33 (ms) Data Table
Other basolateral amygdala CCK containing Type 1 interneurons spike decay time 0.89 ± 0.11 (13) 0.89 (ms) Data Table
Other basolateral amygdala CCK containing Type 2 interneurons spike decay time 1.13 ± 0.18 (35) 1.13 (ms) Data Table
Other basolateral amygdala CCK containing Type 3 interneurons spike decay time 0.75 ± 0.06 (9) 0.75 (ms) Data Table
Amygdala basolateral nucleus pyramidal neuron spike decay time 0.62 ± 0.072 (13) 0.62 (ms) Data Table
Other basolateral amygdala CCK containing Type 2 interneurons membrane time constant 22.6 ± 1.5 (35) 22.6 (ms) Data Table
Other basolateral amygdala CCK containing Type 3 interneurons membrane time constant 29.3 ± 5.91 (9) 29.3 (ms) Data Table