Table 1.

Solutions used in experiments shown in Fig. 2

Solution	ENaC activated	CFTR activated
A1	−	−
A2	−	−
B	+	−
C1	−	+
C2	−	+
D	+	+

Effect of solutes on ENaC and CFTR conductance. Activity (+) and lacking activity on inhibition (−) of the CFTR or ENaC conductance, respectively, are indicated.