TABLE 1.

Electrophysiological properties of AQP1^+/+ and AQP1^−/− small DRG neurons

Differences are not significant. AHP, after-hyperpolarization.

	Membrane potential	Input resistance	Cell capacitance	Injection current threshold	AP 50% width	AHP
	mV	Gigaohms	Picofarads	nA	ms	mV
AQP1+/+	−62.7 ± 1.0 (n = 45)	1.3 ± 0.1 (n = 45)	18.7 ± 0.7 (n = 45)	0.6 ± 0.1 (n = 26)	3.4 ± 0.4 (n = 26)	12.3 ± 1.2 (n = 26)
AQP1−/−	−62.9 ± 1.4 (n = 50)	1.0 ± 0.1 (n = 50)	17.6 ± 0.8 (n = 50)	0.6 ± 0.1 (n = 28)	3.3 ± 0.4 (n = 28)	11.3 ± 1.0 (n = 28)