Table 1A.
Membrane properties of the EGFP+ neurons classified in laminar distribution
Lamina VII (19) | Lamina VIII (13) | Lamina X (23) | Significance | EGFP+ (43) | EGFP− (12) | Total (55) | |
---|---|---|---|---|---|---|---|
Em, mV | −65.5 ± 6 | −69.9 ± 6 | −69.7 ± 8 | NS | −68.6 ± 8 | −72 ± 12 | −69.3 ± 9 |
Tth, pA | 89.5 ± 51 | 111.5 ± 58 | 91.3 ± 49 | NS | 98.7 ± 56 | 87.5 ± 31 | 96.4 ± 52 |
Rin (MΩ) | 283.5 ± 124 | 321.6 ± 141 | 480.6 ± 252 | * | 378.3 ± 217 | 356.8 ± 171 | 374.9 ± 207 |
τm, ms | 21.0 ± 16 | 19.7 ± 9 | 24.8 ± 13 | NS | 20.2 ± 12 | 28.7 ± 13 | 22.0 ± 13 |
τ1, ms | 4.7 ± 2 | 4.4 ± 2 | 3.8 ± 2 | NS | 4.1 ± 2 | 4.6 ± 2 | 4.2 ± 2 |
Cm, pF | 145.1 ± 67 | 124.7 ± 52 | 88.7 ± 43 | * | 107.7 ± 50 | 128.8 ± 76 | 115.8 ± 59 |
Vth, mV | −45.8 ± 11 | −38.5 ± 10 | −37.3 ± 11 | NS | −39.5 ± 8 | −42.9 ± 17 | −40.1 ± 11 |
AP height, mV | 49.8 ± 14 | 42.6 ± 11 | 49.1 ± 11 | NS | 46.2 ± 13 | 53.1 ± 11 | 47.7 ± 12 |
AP width, ms | 3.6 ± 1 | 3.2 ± 1 | 4.2 ± 1 | NS | 3.7 ± 1 | 4.0 ± 1 | 3.8 ± 1 |
AHP depth, mV | 13.4 ± 6 | 17.3 ± 8 | 14.2 ± 6 | NS | 14.5 ± 6 | 14.1 ± 6 | 14.4 ± 6 |
AHP 1/2 decay, ms | 46.3 ± 34 | 47.4 ± 30 | 53.1 ± 41 | NS | 49.4 ± 33 | 47.2 ± 46 | 48.9 ± 36 |
Slope 1, Hz/nA | 175.9 ± 74 | 165.4 ± 168 | 204.8 ± 93 | NS | 189.4 ± 118 | 126.1 ± 47 | 179.7 ± 112 |
Slope 2, Hz/nA | 143.5 ± 68 | 117.8 ± 93 | 147.1 ± 55 | NS | 141.5 ± 72 | 101.2 ± 33 | 135.3 ± 70 |
Slope SS, Hz/nA | 122.3 ± 66 | 82.2 ± 30 | 112.8 ± 43 | NS | 109.8 ± 52 | 98.8 ± 28 | 107.4 ± 50 |
Type 1 | 7 | 2 | 4 | 10 | 3 | 13 | |
Type 2 | 2 | 2 | 11 | 9 | 6 | 15 | |
Type 3 | 10 | 9 | 8 | 24 | 3 | 27 |
Parentheses enclose n values. Values are means ± SD. EGFP, enhanced green fluorescent protein.
, significant difference with P < 0.005 performed by single-factor ANOVA for the cells' laminar distributions. NS: no significant difference.