Table 3. Characteristics of APs in hES-iNs in vitro.

	N		NF		NS
	4 weeks	8 weeks	4 weeks	8 weeks	5 weeks	8 weeks
n	6	6	7	6	7	7
AP threshold (mV)	-24 ± 2	-30 ± 2	-29 ± 3	-29 ± 3	-32 ± 2	-26 ± 1*
AP amplitude (mV)	51 ± 6	76 ± 3*	59 ± 5	69 ± 7	83 ± 4	73 ± 4
AP rise time (ms)	1.7 ± 0.3	0.8 ± 0.0*	1.5 ± 0.2	0.8 ± 0.1*	0.8 ± 0.1	1.1 ± 0.1*
½AP amp. width (ms)	1.7 ± 0.4	1.0 ± 0.1	1.7 ± 0.1	1.2 ± 0.2*	1.1 ± 0.1	1.1 ± 0.1
AHP (mV)	23 ± 3	20 ± 1	18 ± 3	24 ± 3	30 ± 2	33 ± 1

* indicates significant difference between 4–5 and 8 weeks.