Table 6. Comparison of Potency and Efficiency of 25 for GABAA Receptors of Different Subunit Compositionsa.
α1β2γ2S |
α1β1γ2S |
α1β3γ2S |
α2β2γ2S |
α3β2γ2S |
α4β2γ2S |
α5β2γ2S |
||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
P | E | P | E | P | E | P | E | P | E | P | E | P | E | |
α1β2γ2S | ** | ** | ** | ** | * | ** | ** | |||||||
α1β1γ2S | * | ** | ** | ** | * | ** | ||||||||
α1β3γ2S | ** | * | ** | ** | ** | |||||||||
α2β2γ2S | ** | |||||||||||||
α3β2γ2S | * | ** | ||||||||||||
α4β2γ2S | ||||||||||||||
α5β2γ2S |
Potency (P), expressed as EC50, and efficiency (E), expressed as IGABA-max, are compared. Asterisks indicate statistical significance as follows: *p < 0.05, **p < 0.01.