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Fig. 7. Amiloride-insensitive 22Na+-uptake in
AeNHE3-expressing fibroblast cell line. Full-length (NHE3FL) or
carboxy-terminal truncated (NHE3
C) AeNHE3 were transiently
transfected into PS120 cells. 3-4 days after transfection, cells were assayed
for 22Na+ uptake in the presence of inhibitors (1 mmol
l-1 amiloride or 100 µmol l-1 EIPA). Values are
d.p.m. mg-1 protein min-1 (means ± s.e.m.).