Table 1.

Deactivation time constants

DrugWashτ (msec)nDrugWashτ (msec)n
1 μmAlphControl310.2  ± 48.741 mmGABAControl376.3  ± 56.95
1 μm Alph100 μmBic132.7  ± 32.441 mm GABA100 μm PTX61.0  ± 15.65
10 μmAlphControl665.0  ± 47.233 μmGABAControl283.4  ± 22.05
10 μmAlph100 μm Bic60.8  ± 5.733 μm GABA1 μm DZP362.9  ± 21.35
1 mm GABAControl328.3  ± 29.871 mm GABAControl318.7  ± 43.710
1 mm GABA100 μmBic320.1  ± 31.571 mm GABA1 μm DZP435.4  ± 75.410
3 μmGABAControl244.3  ± 32.361 mmGABAControl328.7  ± 47.64
3 μmGABA100 μm Bic218.4  ± 27.761 mm GABA600 nm DMCM276.5  ± 42.04
100 μmBic1-an/a8.7  ± 1.6*4100 μmBic1-bn/a6.3  ± 0.6*7
  • F1-a  Effect on spontaneous activity in α1β3γ2L GABAA receptors.

  • F1-b  Effect on spontaneous activity of α1β3γ2L (L245S) GABAA receptors. τ (msec) is the weighted time constant of deactivation, except for

  • * which indicates the time constant of inhibition onset.

  • Alph, Alphaxalone; Bic, bicuculline.