Table 1.

Insertion of native and recombinant γ2- and δ subunit-containing GABARs at the surface membrane.

Receptor type	5 min	15 min	30 min	60 min	Total surface expressed
Native γ2- GABARs	0.04 ± 0.02*	0.085 ± 0.028*	0.11 ± 0.03	0.09 ± 0.03*	0.16 ± 0.05
α1β3t-γ2	-	0.035 ± 0.01*	0.050 ± 0.007*	0.051± 0.007*	0.11 ± 0.005
α4β3t-γ2	-	0.027 ± 0.006*	0.079 ± 0.011	0.09 ± 0.009	0.15 ± 0.02
	30 min	60 min	120 min	180 min	Total surface expressed
Native δ-GABARs	0.04 ± 0.02*	0.08 ± 0.03*	0.11 ± 0.02*	0.13 ± 0.06*	0.20 ± 0.04
α1β3t-δ	0.023 ± 0.004*	0.024 ± 0.005*	0.035 ± 0.005*	0.041 ± 0.007*	0.097 ± 0.01
α4β3t-δ	0.018 ± 0.004*	0.033 ± 0.005	0.043 ± 0.008	0.042 ± 0.004	0.077 ± 0.01

Insertion of native receptors expressed in cultured hippocampal neurons and recombinant receptors expressed in HEK293 cells. Values represent surface immunoreactive area normalized to the cell area, mean ± SE from 30–36 cells/ 4–7 replicates each.

^*p<0.05 vs total surface expressed receptors.