Table 1. Changes in intrinsic membrane properties of PCs by prolonged application of low and high dose Aβ42.
Aβ42 (1 nM, n = 8) | Aβ42 (500 nM, n = 7) | |||
ctrl | Aβ | ctrl | Aβ | |
Resting membrane potential (mV) | −64.6±2.1 | −61.5±2.4 | −66.7±2.5 | −66.0±2.8 |
AP analysis | ||||
Threshold (mV) | −49.4±1.3 | −44.1±1.9* | −49.1±1.0 | −52.5±1.0* |
AP_amplitude (mV) | 62.5±9.8 | 55.4±9.2 | 68.9±5.8 | 60.7±11.2 |
AP_half_duration (ms) | 2.1±0.3 | 2.3±0.4 | 2.2±0.1 | 1.8±0.4 |
AP_rise_rate (mV/ms) | 39.4±6.1 | 35.9±6.6 | 45.1±4.6 | 38.8±8.0 |
AHP Analysis | ||||
Max_fall_rate (mV/ms) | −11.4±2.8 | −17.0±2.1$ | −21.1±5.0 | −20.0±5.0$ |
Max_rise_rate (mV/ms) | 32.2±6.1 | 47.3±4.6$ | 51.5±9.2 | 47.8±9.1$ |