Table 1

Cell and synaptic characteristics of dm-cNTS and DMX neurons

dm-cNTS neuron

DMX neuron

p value

Type I

Type II


Longitudinal soma size (μm)

13.0 ± 0.5 (31)

26.1 ± 0.5 (110)

<0.01* 1

26.0 ± 0.6 (58)

26.2 ± 0.7 (52)

NS2

Resting membrane potential (mV)

-64.7 ± 2.2 (33)

-63.5 ± 0.9 (115)

NS1

-65.5 ± 1.2 (59)

-61.3 ± 1.1 (56)

<0.05** 2

Cell capacitance (pF)

12.1 ± 1.1 (34)

31.2 ± 1.0 (117)

<0.01* 1

31.0 ± 1.5 (61)

31.2 ± 1.5 (56)

NS2

Input resistance (MΩ)

755.6 ± 70.5 (34)

270.1 ± 11.6 (113)

<0.01* 1

277.9 ± 17.1 (61)

261.0 ± 15.5 (52)

NS2

EPSC amplitude (pA) (submaximal stimulation)

243.5 ± 22.0 (35)

266.5 ± 14.1 (120)

<0.05* 1

211.3 ± 14.5 (63)

323.2 ± 22.7 (57)

<0.01**2

Decay time-constant (ms)

6.0 ± 0.3 (35)

8.1 ± 0.2 (120)

<0.01*1

8.6 ± 0.3 (63)

7.5 ± 0.3 (57)

<0.01**2

Time-to-peak (ms)

9.3 ± 0.3 (35)

9.4 ± 0.1 (120)

NS1

9.6 ± 0.2 (63)

9.2 ± 0.2 (57)

NS2


Data are expressed as mean ± SEM. 1, comparisons were made between dm-cNTS and whole DMX neurons; 2, comparisons were made between type I and type II DMX neurons. NS, not significantly different. Numbers in parentheses indicate the number of neurons. Mann-Whitney U test.

Yamamoto et al. BMC Neuroscience 2010 11:134   doi:10.1186/1471-2202-11-134

Open Data