Table 1.
Comparison of membrane properties and network activity in R6/2 WT and CAR mice
| WT | CAR | |||||||
|---|---|---|---|---|---|---|---|---|
| Property | Mean | ±SEM | n | Mean | ±SEM | n | p value | Test |
| Membrane potential (mV) | −69.5 | 0.58 | 108 | −60.5 | 0.96 | 101 | <0.0001 | Mann-Whitney’s U test |
| Whole-cell input resistance (MΩ) | ||||||||
| Intracellular standard | 59.2 | 2.50 | 107 | 128.2 | 8.44 | 99 | <0.0001 | Mann-Whitney’s U test |
| Intracellular with GDPβS | 38.1 | 3.10 | 13 | 72.70 | 4.80 | 37 | <0.0010 | Student's unpaired t test |
| Whole-cell capacitance (pF) | 79.7 | 1.91 | 107 | 66.1 | 1.63 | 99 | <0.0001 | Student's unpaired t test |
| Reobasic current (pA) | 189.6 | 11.66 | 71 | 97.3 | 6.14 | 66 | <0.0001 | Mann-Whitney’s U test |
All measurements at a holding voltage Vh=−70 mV and chloride reversal potential ECl=−21 mV. The age of the R6/2 cohort was 78.0 ± 1.1 days, n= 91 vs. CAR 75.0 ± 1.2 days, n= 77 (n.s.). Abbreviations: n, number of neurons; p value, significance level; for all other abbreviations see list on Introduction page.