Table 3.

Effect of basolateral Cl⁻ removal on pH_i in adult PST

	n	Control Cl−	0 Cl−	Recovery Cl−
No ${\mathrm{HCO}}_3^{-}$	9	7.35±0.05	7.64±0.09*	7.43±0.07
25 mM ${\mathrm{HCO}}_3^{-}$	9	7.36±0.04	7.64±0.08*	7.40±0.05
25 mM ${\mathrm{HCO}}_3^{-}+0.1$  mM DIDS (bath)	5	7.21±0.05	7.21±0.06	7.15±0.04†
2 mM Cyanide+0.1  mM acetazolamide	15	7.21±0.07	7.36±0.06*	7.27±0.05
2 mM Cyanide+0.1  mM acetazol-  amide+0.1 mM  DIDS	7	7.34±0.05	7.37±0.05	7.35±0.06

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

^*P < 0.001 vs. Cl⁻-containing control and recovery;

^†P < 0.05 different from control and Cl⁻-containing experimental period.