Table 2. Properties of immature and adult OHCs from Eps8 knockout mice.

OHC Properties	Immature		Adult
	P3–P9 Controls	P5–P8 Knockouts	P10–P14 Controls	P10–P14 Knockouts
Membrane capacitance (pF)	6.4±0.3 (13)	6.2±0.4 (10)	6.5±0.3 (15)	7.1±0.4 (17)
Resting potential (mV)	−52.5±2.1 (3)	(0)	−56.7±1.9 (6)	−56.4±1.9 (5)
I K at 0 mV (nA)	1.8±0.1 (10)	1.9±0.2 (3)	1.2±0.1 (7)	1.5±0.1 (17)
I K,n at −124 mV (pA)	—	—	109±10 (4)	164±21 (16)

Values are means ± s.e.m.; number of hair cells is in parentheses. I _K, delayed rectifier K⁺ current [40]; I _K,n, negatively activated K⁺ current carried by KCNQ4 channels [40].