Sodium Is Not Required for Chloride Efflux via Chloride/Bicarbonate Exchanger from Rat Thymic Lymphocytes

Table 1

Solution compositions (mM).

Ingredient	Solution 1; (100% Cl^−)	Solution 2; (Cl^−-free)	Solution 3; (Cl^−- and Na^+-free with D-mannitol)	Solution 4; (Cl^−- and Na^+-free with NMDG)
Glucose	5	5	5	5
HEPES	5	5	5	5
MgSO4	0.8	0.8	0.8	0.8
NaH2PO4	1	1	0	0
KH2PO4	0	0	1	1
Ca acetate	1.8	1.8	0	0
NaCl	96	0	0	0
Na isethionate	16.4	117.3	0	0
D-mannitol	0	0	185	0
KCl	5.3	0	0	0
N-methyl-D-glucamine	0	0	0	185
K gluconate	0	0	4.3	0
KHCO3	0	5.3	0	4.3
NaHCO3	22	16.7	0	0
Choline HCO3	0	0	22	22