Table 3.

Changes in short-circuit current (µA cm⁻²) observed with DMSO

	% DMSO (Apical/Basolateral)
	0.1%/0.0%	0.2%/0.0%	0.4%/0.2%	0.5%/0.2%
Control siRNA	0.39 ± 0.35	0.77 ± 0.53	1.01 ± 1.8	0.62 ± 1.39
FXYD3 siRNA	0.60 ± 0.62	0.81 ± 0.57	0.57 ± 0.14	−0.02 ± 0.38
P value	0.21	0.90	0.64	0.97

Values represent the means ± SD for n = 4 human donors. P values were calculated using a paired Student’s t test.