Table 4.

Effect of basolateral Cl⁻ removal on pH_i in neonatal PST

	n	Control Cl−	0 Cl−	Recovery Cl−
No ${\mathrm{HCO}}_3^{-}$	8	7.29±0.05	7.61±0.11*	7.36±0.04
25 mM ${\mathrm{HCO}}_3^{-}$	8	7.36±0.05	7.71±0.12*	7.37±0.07
25 mM ${\mathrm{HCO}}_3^{-}+0.1$  mM DIDS (bath)	5	7.25±0.11	7.31±0.14	7.24±0.15
2 mM Cyanide+0.1  mM acetazolamide	10	7.02±0.13	7.13±0.11†	7.13±0.10
2 mM Cyanide+0.1  mM acetazol-  amide+0.1 mM  DIDS	5	7.04±0.06	7.08±0.05‡	7.08±0.05

Values are means ± SE; n = no. of experiments.

^*P < 0.01 vs. Cl⁻-containing control and recovery;

^†P < 0.01 vs. Cl⁻-containing control;

^‡P < 0.05 vs. Cl⁻-containing control.