Kay et al., J Cell Sci 1986
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pHi regulation in acid medium is not dependent on external Na+ or any other inorganic ion and so most probably involves the electrogenic plasma membrane proton pump Pappas et al., Glia 1993
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These results indicate that, in CO2/HCO3 ( - ) -free solution, pHi regulation in hippocampal astrocytes was mediated by Na ( + ) -H+ exchange and by a BA1-inhibitable proton pump